CN218010820U

CN218010820U - Chest expander

Info

Publication number: CN218010820U
Application number: CN202221299227.7U
Authority: CN
Inventors: 林璐; 熊娜
Original assignee: China Academy of Art
Current assignee: China Academy of Art
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-12-13
Anticipated expiration: 2032-05-26

Abstract

The utility model discloses a chest expander, including disc main part, elastic band and handle, disc main part periphery is equipped with the cavity, both sides all are equipped with in the cavity and can draw formula elastic band, the both ends and the handle both ends fixed connection of elastic band, the handle encloses to close and is circular in the disc main part outside. The chest expander has small volume after being stored, and the handle can be attracted mutually and is stabilized into a circular structure, thereby being convenient for storage and transportation; and still can install small-size audio amplifier subassembly, LED lamp in inside, the use methods is changeable, and the practicality is strong.

Description

Chest expander

Technical Field

The utility model relates to the field of fitness equipment, especially, relate to a chest expander and body-building method thereof.

Background

The chest developer is one kind of exerciser suitable for public body building and training. The advantage of using the chest developer to do exercise is that: the biceps brachii muscle is a muscle with two muscle heads, and its main function is to bend the arm. In the case of arm curl, the other muscle, triceps brachii, is also used. However, the humerus muscle can be fully exercised only when some forearm lifting exercises are performed, such as the bending of the high-position chest developer or the bending of the reverse high-position chest developer. In addition, the main muscle of the forearm, brachial flexor, plays a role in the flexion, and the lateral bending of the chest expander strengthens the brachial flexor.

The common chest developer consists of a handle, an elastic belt, an elastic steel ring and the like, and is large in size and inconvenient to carry and store.

Patent CN202120611358.3 discloses a spring-grip for aerobics exercises strength training, including annular grip circle and install in handle on the grip circle circumference, the both ends of handle with the grip circle is fixed, intermediate position with the grip circle interval, the circumference of grip circle is sunken to be formed with the recess to central direction, a spring band is still included to the spring-grip for aerobics exercises strength training, the spring band is including the area body and locate the shape of the circle at area body both ends is detained, the spring band accept in the recess, two the shape of the circle detain respectively with the connection can be dismantled at the both ends of handle. The elastic belt of the chest expander is troublesome to recover, the handle is unstable to hold, and the comfort level is low.

Disclosure of Invention

The utility model aims at providing a chest expander aiming at the defects of the prior art.

In order to realize the above purpose, the utility model adopts the following technical scheme:

the utility model provides a chest expander, includes disc main part, elastic webbing and handle, disc main part periphery is equipped with the cavity, both sides all are equipped with in the cavity and can draw formula elastic webbing, and the cavity presents the recess form for fixed handle under the state of accomodating reduces the whole volume under the state of accomodating, the elastic webbing is fixed on the pulling force subassembly in the disc main part, the both ends and the handle both ends fixed connection of elastic webbing, the handle encloses to close and is circular in the disc main part outside, the handle tip is equipped with magnet, and two handle subtend are inhaled mutually.

Furthermore, notches are formed in the inner portions of the two sides of the handle, and the two ends of the elastic band are fixed in the notches.

Furthermore, a sound box assembly and a CPU are arranged in the disc main body, a sound box assembly and a USB interface are arranged on the side edge of the disc main body, and the sound box assembly and the USB interface are electrically connected with the CPU.

Furthermore, a fixing band is arranged on the disc between the two handles, and anti-skid grains are arranged on the inner sides of the handles.

Further, the fixed band is the fixed band of openable formula, the disc upper surface is equipped with the belt buckle, fixed band tip and belt buckle lock.

Furthermore, a support is arranged in the disc, and an LED lamp connected with the CPU is arranged on the support.

Further, the LED lamp strip adjusts the brightness according to the stress of the chest expander.

Further, the CPU model is ESP32.ESP32 is provided with a WIFI module to carry out data mutual transmission through a network.

Furthermore, the side surface of the disc main body is also provided with a horn opening.

A method of exercising a chest expander, said method comprising the steps of:

1) The cloud server generates a fitness scheme and sends the fitness scheme to the chest developer; the scheme comprises the tension, times, movement duration, pulling frequency and the like.

2) The voice component broadcasts prompts according to the received fitness scheme to assist in fitness;

3) A tension assembly on the chest developer obtains a current tension value through tension belts at two ends; when the pulling force value is not in accordance with the scheme, a prompt tone is given;

4) The LED lamp displays the state according to the current tension value and the scheme progress;

5) And storing and uploading the information acquired in the body building process to a cloud server to record the completion degree of the comparison scheme.

Adopt the technical scheme of the utility model, the beneficial effects of the utility model are that: the chest expander has small volume after being stored, and the handle can be attracted mutually and is stabilized into a circular structure, thereby being convenient for storage and transportation; and still can install small-size audio amplifier subassembly, LED lamp in inside, the use methods is changeable, and the practicality is strong.

Drawings

Fig. 1 is a structural diagram of a chest expander provided by the utility model;

fig. 2 is a drawing structure diagram of the elastic belt of the chest expander provided by the utility model;

fig. 3 is an internal structure view of the chest expander bullet provided by the utility model;

fig. 4 is an internal structure view of the chest expander provided by the utility model after the bracket is removed;

fig. 5 is a partially exploded view of the handle of the chest expander of the present invention.

The novel multifunctional music box comprises a handle 1, a handle 2, an elastic band 3, a disc main body 4, a loudspeaker opening 5, a USB interface 6, a magnet 7, anti-skidding lines 8, a CPU 9, a fixing band 10, a buckle 11, an LED lamp 12, a tension component 13, a battery 14, a sound box component 15, a support 16 and a notch.

Detailed Description

The specific embodiments of the present invention will be further explained with reference to the accompanying drawings.

As shown in the figure, a chest expander, including disc main part 3, elastic band 2 and handle 1, 3 peripheries of disc main part are equipped with the cavity, both sides all are equipped with in the cavity and can receive and draw formula elastic band 2, and the cavity presents the recess form for fixed handle 1 under the state of accomodating reduces the whole volume under the state of accomodating, elastic band 2 is fixed on the pulling force subassembly 12 in disc main part 3, the pulling force subassembly is the tensiometer, can receive pulling force output AD value according to present, the both ends and the 1 both ends fixed connection of handle of elastic band 2, handle 1 encloses to close and is circular in the 3 outsides of disc main part. The round whole body is convenient to carry, the elastic band 2 is retracted in the cavity, the space is saved, the elastic retraction can be a winding type or a return force retraction type, and the common retraction and retraction mode is not repeated. The tension assembly 12 is fixed in the disc through a nut, is the existing tension assembly 12 which is a fixing part and is internally provided with a tension sensor, the tension sensor is connected with the CPU8, the tension sensor detects the tension and feeds back the tension to the LED lamp 11, and the brightness of the LED lamp 11 is adjusted.

The end parts of the handles are provided with magnets 6, and the two handles 1 oppositely attract each other. The round bag is firmly round when being stored, can not be loose, and is convenient to carry and store.

Notches 16 are formed in the two sides of the handle 1, and two ends of the elastic band 2 are fixed in the notches 16.

The disc main body 3 is internally provided with a sound box component 14 and a CPU8, the side edge of the disc main body 3 is provided with the sound box component 14 and a USB interface 5, and the sound box component 14 and the USB interface 5 are electrically connected with the CPU 8. The chest expander can also be used as a sound box component 14, and has variable use modes and strong functionality.

The fixing belt 9 is arranged on the disc between the two handles 1, and the fixing belt 9 can be hung on a bag and the like, so that the carrying is convenient.

More preferably, the fixing strap 9 is an openable fixing strap 9, the upper surface of the disc is provided with a buckle 10, the end of the fixing strap 9 is buckled with the buckle 10, and the fixing strap 9 can be buckled and opened, so that the fixing strap is not required to be matched with other buckles to be connected with a backpack strap and the like.

Be equipped with support 15 in the disc, be equipped with the LED lamp 11 of being connected with CPU8 on support 15, the bright lamp makes the chest expander more dazzle various, and visual effect is better.

The LED lamp 11 area is adjusted luminance according to chest expander atress size, can carry out pulling force and visual effect's interdynamic, and user experience feels strong.

The CPU8 model is ESP32-PICO-D4. Possess the WIFI function and can carry out network data communication.

The inner side of the handle 1 is provided with anti-slip lines 7, so that the handle is convenient to grasp.

The side surface of the disc main body 3 is also provided with a horn opening 4, so that sound can be conveniently transmitted out. A rechargeable battery is arranged in the disc main body 3, and charging and data interaction are performed through a USB interface.

The chest expander based body building method is realized by the following steps:

2) The voice component broadcasts a prompt according to the received fitness scheme, assists the fitness process, and prompts whether the current pulling frequency, force and duration meet the requirement of the scheme or not;

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides a chest expander, its characterized in that, includes disc main part, elastic band and handle, disc main part periphery is equipped with the cavity, both sides all are equipped with in the cavity and receive the formula elastic band of drawing, the elastic band is fixed on the pulling force subassembly in the disc main part, the both ends and the handle both ends fixed connection of elastic band, the handle encloses to close and is circular in the disc main part outside, the handle tip is equipped with magnet, and two handle subtend are inhaled mutually.

2. A chest expander as claimed in claim 1 wherein said handle is provided with notches in the interior of each side thereof, said elastic bands being secured in said notches at each end thereof.

3. The chest expander as claimed in claim 1, wherein said disk main body has a speaker assembly and a CPU therein, said disk main body has a speaker assembly and a USB port on a side thereof, and said speaker assembly and USB port are electrically connected to said CPU.

4. A chest expander as claimed in claim 1 wherein the disc between the handles is provided with a securing strap and the handles are provided with anti-slip threads on the inside.

5. A chest expander as claimed in claim 4, wherein said fastening strap is an openable fastening strap, and a buckle is provided on the upper surface of said disk, and the end of said fastening strap is engaged with said buckle.

6. The device as claimed in claim 1, wherein a support is provided in said disk, said support having LED light connected to CPU.

7. The chest expander of claim 6, wherein the LED strip is adjusted to provide brightness based on the force applied to the chest expander.

8. A chest expander as claimed in claim 3 or 6, wherein said CPU model is ESP32.

9. A chest expander as claimed in claim 1 wherein said disc body is further provided with a flared opening in the side thereof.