Compact tool box with ratchet driving function

1. An open end wrench comprising:

a body including a front end and a force-receiving portion spaced from the front end in a first direction, with the body further including first and second sides spaced in a second direction perpendicular to the first direction, with the body further including first and second lateral walls spaced in a third directionyerpendicular to the first and second directions and extending between the front end and the force-receiving portion, with the first and second lateral walls, the front end, and the force-receiving portion integrally formed as a single and inseparable component of a same material, with the front end including a compartment, with a receiving space defined between the first and second lateral walls and having an opening in the second side or the force-receiving portion;

a ratcheting mechanism including a main body mounted in the body, a ratchet wheel rotatablv received in the main body, and a switch device for controlling the ratchet wheel to be rotatable in a clockwise or counterclockwise direction or to be not rotatable in either of the clockwise and counterclockwise directions, with the ratchet wheel rotatable about a rotating axis parallel to the first direction, with the ratchet wheel located in a quarter corner of the body adjacent to the front end and the first side, with a driving groove defined in an end of the ratchet wheel and extending along the rotating axis, with the driving groove adapted for engaging and driving a shank to rotate, with the force-receiving portion including an insertion groove extending in the first direction, with the insertion groove receiving the shank when not in use, with the insertion groove in communication with the compartment of the body and extending along the rotating axis of the ratchet wheel; and

a rack removably received in the receiving space of the body via the opening, with the rack adapted to receive a plurality of bits.

2. The tool box as claimed in claim 1 , with the insertion groove including first and second sections, with the first section having an opening in the force-receiving portion, with the second section in communication with the compartment and located intermediate the first section and the compartment, with the first section having an inner diameter, with the second section having an inner diameter smaller than the inner diameter of the first section, with the shank including a large diameter portion and a small diameter portion, with the first and second sections respectively receiving the large and small diameter portions of the shank when not in use.

3. The tool box as claimed in claim 2 , with the insertion groove including a plurality of annularly spaced protrusions formed on an inner periphery of the second section for clamping the small diameter portion of the shank.

4. The tool box as claimed in claim 1 , with the first side of the body extending between the front end and the force-receiving portion, with the first side including a rounded corner formed in a joining area between the first side and the force-receiving portion.

5. The tool box as claimed in claim 1 , with the rack including a mounting portion facing the receiving space and an outer side opposite to the receiving space, with the outer side sealing the opening of the receiving space, with the mounting portion of the rack including a plurality of bit-receiving grooves for receiving the bits.

6. The tool box as claimed in claim 5 , with the bit-receiving grooves arranged in a single row in the first direction.

7. The tool box as claimed in claim 6 , with the opening formed in the second side of the body, with the rack including an engaging portion in each of two ends thereof, with the body including two engaging grooves respectively in the front end and the force-receiving portion and located adjacent to the second side, with the engaging portions of the rack releasably engaged in the two engaging grooves of the body.

8. The tool box as claimed in claim 6 , with the opening formed in the force-receiving portion of the body, with the rack including an engaging portion in each of two sides thereof, with each of the first and second lateral walls having an engaging groove adjacent to the force-receiving portion, with the engaging portions of the rack releasably engaged in the engaging grooves of the body.

9. The tool box as claimed in claim 1 , with a first maximum dimension of the body in the first direction between the front end and the force-receiving portion defining a first spacing, with a second maximum dimension of the body in the second direction between the first and second sides defining a second spacing, with a third maximum dimension of the body in the third direction between the first and second lateral walls defining a third spacing, with the third spacing smaller than the second spacing, with the second spacing smaller than the first spacing, with the body having a first radius and a second radius in the second direction and having a same rotating axis, with the first radius equal to a spacing between the first side of the body and the rotating axis in the second direction, with the second radius equal to a spacing between the second side of the body and the rotating axis in the second direction, with the second spacing equal to a sum of the first radius and the second radius, with the second radius larger than the first radius.

10. The tool box as claimed in claim 9 , with the first radius smaller than the third spacing.

11. The tool box as claimed in claim 10 , with the first radius not larger than half of the third spacing.

12. The tool box as claimed in claim 11 , with the rotating axis of the ratchet wheel having equal spacing to the first and second lateral walls in the third direction.

13. An open end wrench comprising:

a body including a front end and a force-receiving portion spaced from the front end in a first direction, with the body further including first and second sides spaced in a second direction perpendicular to the first direction, with the body further including first and second lateral walls spaced in a third direction perpendicular to the first and second directions and extending between the front end and the force-receiving portion, with the first and second lateral walls, the front end, and the force-receiving portion integrally formed as a single and inseparable component of a same material, with the front end including a compartment, with a receiving space defined between the first and second lateral walls and having an opening in the second side or the force-receiving portion;

a ratcheting mechanism including a main body mounted in the body, a ratchet wheel rotatably received in the main body, and a switch device for controlling the ratchet wheel to be rotatable in a clockwise or counterclockwise direction or to be not rotatable in either of the clockwise and counterclockwise directions, with the ratchet wheel rotatable about a rotating axis parallel to the first direction, with the ratchet wheel located in a quarter corner of the body adjacent to the front end and the first side, with a driving groove defined in an end of the ratchet wheel and extending along the rotating axis, with the driving groove adapted for engaging and driving a shank to rotate, with the ratchet wheel including another end opposite to the driving groove, with the other end of the ratchet wheel including a cylindrical receiving groove extending along the rotating axis, with the driving groove having an inner diameter, with the receiving groove having an inner diameter larger than the inner diameter of the driving groove, with the receiving groove receiving a portion of the shank inserted in an insertion groove; and

a rack removably received in the receiving space of the body via the opening, with the rack adapted to receive a plurality of bits.

14. The tool box as claimed in claim 13 , with the ratchet wheel including a stop having a through-hole, with a magnet securely received in the through-hole and attracting the portion of the shank received in the driving groove or the receiving groove.

15. The tool box as claimed in claim 14 , with the switch device including two engagement members, with the switch device including a switch operable to control an engagement relation between the two engagement members and the ratchet wheel with the ratchet wheel rotatable in the clockwise or counterclockwise direction or not rotatable in either of the clockwise and counterclockwise directions.

16. An open end wrench comprising:

a body including a front end and a force-receiving portion spaced from the front end in a first direction, with the body further including first and second sides spaced in a second direction perpendicular to the first direction, with the body further including first and second lateral walls spaced in a third direction perpendicular to the first and second directions and extending between the front end and the force-receiving portion, with the first and second lateral walls, the front end, and the force-receiving portion integrally formed as a single and inseparable component of a same material, with the front end including a compartment, with a receiving space defined between the first and second lateral walls and having an opening in the second side or the force-receiving portion;

a ratcheting mechanism including a main body mounted in the body, a ratchet wheel rotatably received in the main body, and a switch device for controlling the ratchet wheel to be rotatable in a clockwise or counterclockwise direction or to be not rotatable in either of the clockwise and counterclockwise directions, with the ratchet wheel rotatable about a rotating axis parallel to the first direction, with the ratchet wheel located in a quarter corner of the body adjacent to the front end and the first side, with a driving groove defined in an end of the ratchet wheel and extending along the rotating axis, with the driving groove adapted for engaging and driving a shank to rotate, with the main body of the ratcheting mechanism including a cylindrical receiving groove extending along the rotating axis, with the driving groove having an inner diameter, with the receiving groove having an inner diameter larger than the inner diameter of the driving groove, with the receiving groove receiving a portion of the shank inserted in an insertion groove; and

a rack removably received in the receiving space of the body via the opening, with the rack adapted to receive a plurality of bits.

17. The tool box as claimed in claim 16 , with the ratchet wheel including a stop having a through-hole, with a magnet securely received in the through-hole and attracting the portion of the shank received in the driving groove or the receiving groove.

18. The tool box as claimed in claim 17 , with the switch device including two engagement members, with the switch device including a switch operable to control an engagement relation between the two engagement members and the ratchet wheel with the ratchet wheel rotatable in the clockwise or counterclockwise direction or not rotatable in either of the clockwise and counterclockwise directions.