Embroidery frame transport device and sewing machine

1. An embroidery frame transport device comprising:

a guide portion provided on a carriage on which a coupling portion of an embroidery frame is configured to be mounted and removed, the guide portion being configured to prescribe a first direction that is a movement direction of the embroidery frame when the embroidery frame is removed, and a second direction that is a movement direction of the embroidery frame when the embroidery frame is mounted;

a lever configured to move between a first restriction position that restricts the movement in the first direction of the embroidery frame in a mounted state in which the embroidery frame is mounted on the carriage, and a first release position that does not restrict the movement in the first direction of the embroidery frame in the mounted state; and

a locking portion configured to move between a second restriction position that restricts the movement in the second direction of the embroidery frame in the mounted state, and a second release position that does not restrict the movement in the second direction of the embroidery frame in the mounted state.

2. The embroidery frame transport device according to claim 1 , wherein

in a state in which the lever is disposed in the first restriction position, the lever comes into contact, from the first direction side, with the coupling portion of the embroidery frame in the mounted state, and in a state in which the lever is disposed in the first release position, the lever does not come into contact, from the first direction side, with the coupling portion of the embroidery frame in the mounted state, and

in a state in which the locking portion is disposed in the second restriction position, the locking portion comes into contact, from the second direction side, with the coupling portion of the embroidery frame in the mounted state, and in a state in which the locking portion is disposed in the second release position, the locking portion does not come into contact, from the second direction side, with the coupling portion of the embroidery frame in the mounted state.

3. The embroidery frame transport device according to claim 1 , wherein

the lever is configured to rotate around a first rotary shaft, between the first restriction position and the first release position, and

the locking portion is configured to rotate around a second rotary shaft different from the first rotary shaft, between the second restriction position and the second release position.

4. The embroidery frame transport device according to claim 3 , further comprising:

a coupling mechanism configured to couple the lever and the locking portion, the coupling mechanism causing the locking portion to rotate from the second restriction position to the second release position when the lever is rotated from the first restriction position to the first release position, and causing the locking portion to rotate from the second release position to the second restriction position when the lever is rotated from the first release position to the first restriction position.

5. The embroidery frame transport device according to claim 4 , wherein

the lever rotates between the first restriction position and the first release position via a first intermediate position that does not restrict the movement in the first direction of the embroidery frame in the mounted state,

in a state in which the lever is disposed in the first intermediate position, the lever does not come into contact, from the first direction side, with the coupling portion of the embroidery frame in the mounted state, and

while the lever is being rotated from the first restriction position to the first intermediate position, the coupling mechanism maintains the locking portion in the second restriction position, and when the lever is rotated from the first intermediate position to the first release position, the coupling mechanism causes the locking portion to rotate from the second restriction position to the second release position.

6. The embroidery frame transport device according to claim 5 , further comprising:

a first engagement portion provided on the lever; and

a second engagement portion configured to engage with the first engagement portion in the state in which the lever is disposed in the first intermediate position, and configured to not engage with the first engagement portion in a state in which the lever is disposed further to the first restriction position side than the first intermediate position, and in a state in which the lever is disposed further to the first release position side than the first intermediate position.

7. The embroidery frame transport device according to claim 1 , further comprising:

a third engagement portion configured to engage with a fourth engagement portion of the coupling portion, the third engagement portion being provided at a position facing the fourth engagement portion of the coupling portion of the embroidery frame in the mounted state.

8. The embroidery frame transport device according to claim 4 , wherein

the coupling mechanism moves in the second direction when the lever rotates from the first restriction position to the first release position, and moves in the first direction when the lever rotates from the first release position to the first restriction position,

the locking portion rotates around the second rotary shaft that is orthogonal to the first direction and the second direction, and is coupled to the coupling mechanism further to the second direction side than the second rotary shaft, and

the locking portion rotates from the second restriction position to the second release position when the coupling mechanism moves in the second direction, and rotates from the second release position to the second restriction position when the coupling mechanism moves in the first direction.

9. The embroidery frame transport device according to claim 8 , further comprising:

a link whose one end portion is rotatably coupled to the coupling mechanism and whose other end portion is rotatably coupled to the locking portion,

wherein

the locking portion and the coupling portion are coupled via the link, and

the one end portion of the link is disposed on a first side, which is further to one side than the second rotary shaft in an orthogonal direction that is orthogonal to the first direction, the second direction and the second rotary shaft, and a direction from the one end portion toward the other end portion of the link is inclined, with respect to the second direction, toward a second side opposite to the first side in the orthogonal direction.

10. A sewing machine comprising:

an embroidery frame transport device including

a guide portion provided on a carriage on which a coupling portion of an embroidery frame is configured to be mounted and removed, the guide portion being configured to prescribe a first direction that is a movement direction of the embroidery frame when the embroidery frame is removed, and a second direction that is a movement direction of the embroidery frame when the embroidery frame is mounted,

a lever configured to move between a first restriction position that restricts the movement in the first direction of the embroidery frame in a mounted state in which the embroidery frame is mounted on the carriage, and a first release position that does not restrict the movement in the first direction of the embroidery frame in the mounted state, and

a locking portion configured to move between a second restriction position that restricts the movement in the second direction of the embroidery frame in the mounted state, and a second release position that does not restrict the movement in the second direction of the embroidery frame in the mounted state; and

the embroidery frame including a contact portion which is provided on a frame portion configured to clamp a sewing object, and which is provided further to the first direction side than the coupling portion in the mounted state,

wherein

the embroidery frame transport device further includes

a restriction portion that restricts the movement of the embroidery frame in the second direction by coming into contact with the contact portion of the embroidery frame that is moved in the second direction along the guide portion, in a state in which the locking portion is disposed in the second release position.