Hold lock mechanism for vehicle door and vehicle door opening and closing apparatus having the same

1. A hold lock mechanism for a vehicle door, the hold lock mechanism comprising:

a grip assembly configured to be mounted on a vehicle body, the grip assembly including a pair of grip members configured to releasably grip a door component and a hook provided on at least one of the grip members; and

a release assembly mounted on the door component, the release assembly including a release member configured to releasably engage with the hook;

wherein the door component has a cavity;

wherein the release member is movably received in the cavity; and

wherein the hook is configured to move between an advanced position in which the hook is received in the cavity of the door component and a retracted position in which the hook is released from the door component.

2. The hold lock mechanism according to claim 1 , wherein at least one grip member of the pair of grip members is configured to move between a grip position in which the grip member grips the door component and a release position in which the grip member releases the door component.

3. The hold lock mechanism according to claim 1 , wherein the hook is biased toward the advanced position by a first biasing member.

4. The hold lock mechanism according to claim 3 , wherein:

the release member is configured to move between an engaging position in which the release member engages with the hook moved to the advanced position and a release position in which the release member moves the hook to the retracted position; and

the release member is biased toward the engaging position by a second biasing member.

5. The hold lock mechanism according to claim 4 , wherein a movement direction of the release member is orthogonal to a movement direction of the hook.

6. The hold lock mechanism according to claim 4 , wherein an axis of the second biasing member is orthogonal to an axis of the first biasing member.

7. The hold lock mechanism according to claim 4 , wherein the release member is configured to be moved to the release position by a release lever.

8. The hold lock mechanism according to claim 7 , wherein:

the release lever is pivotally mounted to the door component; and

the release lever is configured to be pivoted by a control cable assembly.

9. The hold lock mechanism according to claim 8 , wherein the release lever is configured to move between a lock position in which the release lever holds the release member in the engaging position and an unlock position in which the release lever moves the release member to the release position.

10. A vehicle comprising:

a vehicle body;

a vehicle door attached to the vehicle body;

a rail mounted on the vehicle body;

a roller unit mounted on the vehicle door and configured to move along the rail; and

a hold lock mechanism configured to releasably hold the roller unit in a predetermined position of the vehicle, wherein the hold lock mechanism includes:

a grip assembly mounted on the vehicle body, the grip assembly including a pair of grip members configured to releasably grip the roller unit and a hook movably mounted on at least one of the grip members; and

a release assembly mounted on the roller unit, the release assembly including a release member configured to releasably engage with the hook.

11. The vehicle according to claim 10 , wherein the roller unit is configured to allow the vehicle door to open and close in a sliding mode in which the vehicle door slides along the rail and a swing mode in which the vehicle door swings at a predetermined position of the rail.

12. The vehicle according to claim 10 , wherein:

the vehicle door is configured to swing when the roller unit is held in a predetermined position of the rail by the hold lock mechanism; and

the vehicle door is configured to slide along the rail when the roller unit is released by the hold lock mechanism.

13. The vehicle according to claim 10 , wherein:

the roller unit includes a roller bracket having a roller configured to roll along the rail, and a body connecting the roller bracket and the vehicle door; and

the body has a first end portion fixed to the roller bracket, and a second end portion pivotally connected to the vehicle door.

14. The vehicle according to claim 13 , wherein the release assembly is mounted on the body.

15. A hold lock mechanism for a vehicle door, the hold lock mechanism comprising:

a grip assembly configured to be mounted on a vehicle body, the grip assembly including a pair of grip members configured to releasably grip a door component and a hook provided on at least one of the grip members; and

a release assembly mounted on the door component, the release assembly including a release member configured to releasably engage with the hook;

wherein the door component has a cavity;

wherein the release member is movably received in the cavity;

wherein the hook is configured to move between an advanced position in which the hook is received in the cavity of the door component and a retracted position in which the hook is released from the door component

wherein the hook is biased toward the advanced position by a first biasing member;

wherein the hook has a first engaging surface extending vertically and a second engaging surface extending obliquely;

wherein the cavity has a third engaging surface slidably contacting the first engaging surface;

wherein the release member has a fourth engaging surface facing the third engaging surface; and

wherein the fourth engaging surface slidably contacts the second engaging surface.

16. The hold lock mechanism according to claim 15 , wherein at least one grip member of the pair of grip members is configured to move between a grip position in which the grip member grips the door component and a release position in which the grip member releases the door component.

17. The hold lock mechanism according to claim 15 , wherein:

the release member is configured to move between an engaging position in which the release member engages with the hook moved to the advanced position and a release position in which the release member moves the hook to the retracted position; and

the release member is biased toward the engaging position by a second biasing member.

18. The hold lock mechanism according to claim 17 , wherein a movement direction of the release member is orthogonal to a movement direction of the hook.

19. The hold lock mechanism according to claim 17 , wherein an axis of the second biasing member is orthogonal to an axis of the first biasing member.