Portable electronic device

1. A portable electronic device, comprising:

a body, including a first engaging surface and a first groove, and an opening of the first groove is formed at the first engaging surface;

a stationary magnetic element, disposed at a periphery of the first groove; and

a base, including:

a bottom plate;

a connecting element, disposed on the bottom plate and including a second engaging surface and a second groove, and the opening of the second groove is formed on the second engaging surface;

a rotatable magnetic element, pivotally connected with the second groove, wherein one end of the rotatable magnetic element is adapted to rotate out or rotate in the second groove, when a distance between the first engaging surface and the second engaging surface is less than a predetermined value, and the opening of the first groove faces to the opening of the second groove, the rotatable magnetic element is attracted by the stationary magnetic element to rotate out of the second groove and get into the first groove; and

an auxiliary magnetic element disposed on the other end of the rotatable magnetic element configured such that the other end of the rotatable magnetic element rotates toward the second groove under a magnetic repulsion force between the auxiliary magnetic element and the rotatable magnetic element.

2. The portable electronic device according to claim 1 , wherein the body includes a plurality of the first grooves, the stationary magnetic element is disposed at the periphery of each of the first grooves, the connecting element of the base includes a plurality of the second grooves, the rotatable magnetic element is pivotally connected with each of the second grooves.

3. The portable electronic device according to claim 2 , wherein when the distance between the first engaging surface and the second engaging surface is less than the predetermined value, and when the first groove faces to the second groove, the other end of the rotatable magnetic element rotates toward the second groove.

4. The portable electronic device according to claim 3 , wherein the portable electronic device further includes at least one positioning magnetic element configured at the peripheral of one end of the second groove relative to the other end connecting with the rotatable magnetic element, one magnetic pole of the positioning magnetic element is positioned adjacent to an opposite magnetic pole of the auxiliary magnetic element, and the other magnetic pole of the positioning magnetic element is positioned far away the auxiliary magnetic element.

5. The portable electronic device according to the claim 1 , further comprising at least one positioning magnetic element configured at a peripheral of one end of the second groove relative to the one end of connecting with the rotatable magnetic element.

6. A portable electronic device, comprising:

a body, including a first engaging surface and a first groove, wherein an opening of the first groove is formed at the first engaging surface;

a rotatable magnetic element, pivotally connected with the first groove, wherein one end of the rotatable magnetic element is adapted to rotate out or rotate in the first groove; and

a base, including:

a bottom plate;

a connecting element, disposed on the bottom plate and including a second engaging surface and a second groove, and the opening of the second groove is formed on the second engaging surface;

a stationary magnetic element, disposed at a periphery of the second groove, when a distance between the first engaging surface and the second engaging surface is less than a predetermined value and the opening of the first groove faces to the opening of the second groove, the rotatable magnetic element is attracted by the stationary magnetic element to rotate out of the first groove and get into the second groove; and

an auxiliary magnetic element disposed on the other end of the rotatable magnetic element configured such that the other end of the rotatable magnetic element rotates toward the second groove under a magnetic repulsion force between the auxiliary magnetic element and the rotatable magnetic element.

7. The portable electronic device according to the claim 6 , wherein the body includes a plurality of the first grooves, the rotatable magnetic element is connected with each of the first grooves, the connecting element of the base includes a plurality of the second grooves, the stationary magnetic element is disposed at the periphery of each of the second grooves.

8. The portable electronic device according to the claim 7 , wherein when the distance between the first engaging surface and the second engaging surface is less than the predetermined value, and when the first groove faces to the second groove, the other end of the rotatable magnetic element rotates toward the first groove.

9. The portable electronic device according to the claim 8 , wherein the portable electronic device further includes at least one positioning magnetic element configured at the peripheral of one end of the first groove relative to the other end connecting with the rotatable magnetic element, one magnetic pole of the positioning magnetic element is positioned adjacent to an opposite magnetic pole of the auxiliary magnetic element, and the other magnetic pole of the positioning magnetic element is positioned far away the auxiliary magnetic element.

10. The portable electronic device according to the claim 6 , further comprising at least one positioning magnetic element configured at a peripheral of one end of the first groove relative to the one end connecting with the rotatable magnetic element.