JP2001113073A - Sewing device and embroidering attachment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fall preventing device capable of preventing the fall of an embroidering attachment detachably mounted to a sewing machine bed, when carrying a sewing machine. SOLUTION: A locking member 20 made of synthetic resin and extended in a mounting direction is protrusively formed at an embroidering attachment 1, and a locking claw part 20a projected downward is formed at the tip of the locking member 20. A sewing machine bed 2 is provided with a locking hole 22 formed in a wall part with which the locking claw part 20a of the locking member 20 comes in sliding contact. The locking claw part 20a is fitted into the locking hole 22 to prevent a fall. In the embroidering attachment 1, a lateral link 26 that can be engaged at one end thereof with the lower face of the locking member 20 is swingably supported in the intermediate part, and a vertical link 24 fixed to an operating button 23 is connected to the other end of the lateral link 26. The locking claw part 20a is detached from the locking hole 22 by pressing the operating button 23.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sewing machine in which an attachment is detachably attached to a sewing machine body.

[0002]

2. Description of the Related Art Some recent desk-top sewing machines are provided with a dedicated embroidery sewing attachment attached to a sewing machine main body so that embroidery sewing can be performed. This embroidery sewing attachment has an embroidery frame that holds the cloth,
The embroidery frame is provided with various parts such as an X-axis feed motor and a Y-axis feed motor for moving the embroidery frame in the X-axis direction and the Y-axis direction, and has a considerable weight. Easy to break down.

Therefore, as described in the instruction manual, when carrying the sewing machine main body, the embroidery sewing attachment must be removed from the sewing machine main body in order to prevent the embroidery sewing attachment from dropping off. It has to be.

[0004]

However, some users do not perform the proper handling described in the instruction manual, and occasionally lift the sewing machine with the embroidery sewing attachment attached to the sewing machine body. is there. In this case, even if the lifted sewing machine main body is slightly inclined, the embroidery attachment may fall out of the sewing machine main body by its own weight, and may be damaged or broken by the impact of the drop. Also, if it falls on the user's foot, there is a risk of injury.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to prevent the attachment from falling off even if the attachment is lifted while attached to the sewing machine main body, and to damage the attachment. -To provide a sewing machine capable of preventing failure and improving safety.

[0006]

According to the present invention, there is provided a sewing machine in which an attachment is detachably mounted on a sewing machine body, wherein a lock position for locking the attachment to the sewing machine body and an unlock position for unlocking the attachment. And a control member for switching the lock member between the two positions.

If the lock member is located at the lock position and the lock member is at the lock position while the attachment is mounted on the sewing machine main body, the attachment is locked to the sewing machine main body. Conversely, if the operating member is operated to switch the lock member from the lock position to the unlock position, the lock is released, so that the attachment can be removed from the sewing machine main body.

In this case, once the attachment is once attached to the sewing machine main body to be in the locked state, the lock is not released unless the lock member is switched from the lock position to the unlock position by operating the operating member. Even if the sewing machine body is lifted with the attachment attached, there is no fear that the attachment will fall off the sewing machine body.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. First, a schematic configuration of the sewing machine main body 2 on which the embroidery sewing attachment 1 is mounted will be described with reference to FIG. The sewing machine body 2 includes a bed 3 and an arm 4 extending upward and leftward from a right end of the bed 3.
It is composed of A needle bar 6 provided with a sewing needle 5 is provided at a lower portion of the distal end of the arm portion 4. The needle bar 6 is moved up and down by a driving force of a sewing machine motor (not shown) provided in the sewing machine main body 2.

Immediately behind the needle bar 6 at the lower end of the arm portion 4, a presser bar 7 is provided so as to be switchable between an upper position and a lower position. A cloth foot 8 is detachably attached to the section. Also,
A sewing machine handle 9 is provided on the upper surface of the arm portion 4, and the sewing machine main body 2 is carried by holding the sewing machine handle 9.

The bed portion 3 is provided with a tubular free arm bed 3a projecting leftward, and a needle plate 10 is provided on the free arm bed 3a. When performing normal sewing, the free arm bed 3
Attach an auxiliary table (not shown) to a. And if this auxiliary table is removed, the free arm bed 3a
In the case of performing embroidery sewing, the embroidery sewing attachment 1 is attached to the free arm bed 3a.

Next, the schematic structure of the embroidery sewing attachment 1 will be described. The embroidery sewing attachment 1
An embroidery frame 11 for holding a work cloth on the needle plate 10 is provided. The embroidery frame 11 can be freely moved in the horizontal direction by a horizontal moving mechanism 12. The horizontal moving mechanism 12 moves the X-axis direction moving body 13 in the X-axis direction (left-right direction) by an X-axis feed motor (not shown) built in the embroidery sewing attachment 1,
The Y-axis direction moving body 14 supporting the embroidery frame 11 is moved in the Y-axis direction (front-rear direction) along the X-axis direction moving body 13 by a Y-axis feed motor (not shown) also incorporated therein.

When the embroidery sewing attachment 1 is mounted on the free arm bed 3a, the bottom plate 15 of the embroidery sewing attachment 1 is attached to the free arm bed 3a.
a The free arm bed 3a is inserted into the gap 17 between the lower surface and the bottom plate portion 16 of the sewing machine main body 2 and fits into the concave portion 18 formed in the embroidery sewing attachment 1. In this state, the connector (not shown) on the right side of the embroidery sewing attachment 1 is inserted into the connector 19 (see FIG. 3) on the left side of the bed 3,
Thereby, the embroidery sewing attachment 1 and the sewing machine main body 2
Are also electrically connected.

On the other hand, a lock member 20 is provided on the bottom plate portion 15 of the embroidery sewing attachment 1. When the embroidery sewing attachment 1 is mounted on the free arm bet 3a, the embroidery sewing attachment 1 is moved to the sewing machine main body 2.
It is designed to lock on. An operating member 21 is incorporated in the embroidery sewing attachment 1. By operating the operating member 21, the lock member 20 is switched from a lock position to an unlock position, and the embroidery sewing attachment 1 is connected to the embroidery sewing attachment 1. The lock with the sewing machine main body 2 is released. Hereinafter, the lock member 20 and the operation member 21 will be described in detail.

First, the lock member 20 is formed of an elastically deformable synthetic resin, and is formed integrally with the bottom plate portion 15 at a position one step lower than the upper surface of the bottom plate portion 15 of the embroidery sewing attachment 1. . A locking claw 20a is provided at the tip of the lock member 20 so as to be lockable.
Are formed downward.

A locking hole 22 is formed in the bottom plate portion 16 of the sewing machine main body 2 corresponding to the locking claw portion 20a of the lock member 20, and when the attachment 1 for embroidery sewing is mounted, the locking hole is formed. The locking claw portion 20a of the member 20 is locked with the locking hole 22 to be in a locked state.

The operating member 21 is composed of a vertical link 24 having an operation button 23 fixed to an upper end thereof, and a horizontal link 26 rotatably connected to a lower end of the vertical link 24 via a caulking pin 25. It is configured. The operation button 2
Numeral 3 is disposed so as to slightly protrude from the upper surface of the embroidery sewing attachment 1. When the operation button 23 is pressed, the vertical link 24 is pushed down accordingly. On the other hand, the horizontal link 26 is rotatably supported via a fixed shaft (not shown) provided at the center (fixed to the embroidery sewing attachment 1 side), and the horizontal link 26 is pressed when the vertical link 24 is pushed down. The front end pivots about the fixed shaft in a lifting direction. The front end of the horizontal link 26 has a protrusion 2 projecting upward so as to contact the lower surface of the lock member 20.
6a are formed.

Next, the operation of the above configuration will be described.
When performing embroidery sewing, first, the auxiliary table is removed from the free arm bed 3a of the sewing machine body 2, and then the embroidery sewing attachment 1 is temporarily placed on the left side of the free arm bed 3a. In this state, the embroidery sewing attachment 1 is slid to the right along the desk top surface 27 as it is, and the embroidery sewing attachment 1 is slid.
Is inserted into the gap 17 between the lower surface of the free arm bed 3a and the bottom plate 16 of the sewing machine body 2, and the embroidery sewing attachment 1 is mounted on the free arm bed 3a.

At the time of this mounting, the lock member 20 bends within its elastic range and moves from the unlock position to the lock position, so that the locking claw 20a of the lock member 20 is engaged with the bottom plate 16 of the sewing machine main body. The embroidery sewing attachment 1 is locked to the sewing machine main body 2 by being fitted into the stop hole 22 to be in a locked state. Further, in the mounted state, the recess 18 of the embroidery sewing attachment 1 fits into the free arm bed 3a, and the connector (not shown) on the right side of the embroidery sewing attachment 1 is connected to the connector 19 on the left side of the bed part 3. It will be in the state inserted. As a result, the embroidery sewing attachment 1 is electrically connected to the sewing machine main body 2, and thereafter functions as an embroidery sewing machine.

Conversely, when removing the embroidery sewing attachment 1 from the sewing machine main body 2, the operation button 23 of the operation member 21 is pressed down by hand, and the lock member 20 is switched from the lock position to the unlock position. By this operation, the vertical link 24 is pushed down, so that the horizontal link 26
Is rotated about a fixed shaft (not shown), and its protrusion 26a
Lifts up. As a result, the lock member 20 is pushed up by the protrusion 26a of the horizontal link 26, so that the locking claw 20a of the lock member 20 is lifted from the locking hole 22 and the lock is released. In this state, the embroidery sewing attachment 1 may be pulled out to the left while sliding on the desk top surface 27.

As described above, once the embroidery sewing attachment 1 is mounted on the sewing machine main body 2, the lock is released unless the lock member 20 is switched from the lock position to the unlock position by operating the operation member 21. Not done. Therefore, for example, even if the user lifts the sewing machine main body 2 while attaching the embroidery sewing attachment 1 by mistake, the embroidery sewing attachment 1 does not fall off due to its own weight, and the embroidery sewing attachment 1 is damaged. -Failure can be prevented, and safety is greatly improved.

To release the lock between the embroidery sewing attachment 1 and the sewing machine main body 2, the operation button 2
Since the lock can be easily released by a one-touch operation just by pressing 3, the usability is not impaired.

In the present embodiment, the lock member 20 is provided on the embroidery sewing attachment 1 side. However, the lock member may be provided on the sewing machine main body 2 side. In this case, the bottom plate 15 on the side of the embroidery sewing attachment 1 may be provided with a locking hole for locking with the locking member.

In this embodiment, when the embroidery sewing attachment 1 is mounted on the sewing machine main body 2, the lock member 20 is moved from the unlock position to the lock position by its own elasticity. The configuration may be such that the member 21 is operated to switch from the unlock position to the lock position.

In addition, the present invention can be variously modified without departing from the gist of the present invention, for example, a structure in which the auxiliary table mounting structure is provided with a lock mechanism similar to that of the present embodiment.

[0026]

As is apparent from the above description, the sewing machine of the present invention is provided with a lock member for locking the attachment to the sewing machine main body and an operating member for switching the lock member between the lock position and the unlock position. As a result, even if the sewing machine body is lifted with the attachment attached, it is possible to reliably prevent the attachment from falling off the sewing machine body, thereby preventing damage and failure of the attachment and improving safety. To play.

[0027]

[Brief description of the drawings]

FIG. 1 is an enlarged vertical sectional front view of a main part showing an embodiment of the present invention.

FIG. 2 is an overall perspective view of a sewing machine equipped with an embroidery sewing attachment.

FIG. 3 is a perspective view partially broken away showing a state before the embroidery sewing attachment is attached to the sewing machine main body.

[Explanation of symbols]

1 is an attachment for embroidery sewing (attachment), 2
Is a sewing machine body, 3a is a free arm bed, 9 is a sewing machine handle, 11 is an embroidery frame, 12 is a horizontal moving mechanism, 19 is a connector, 20 is a lock member, 20a is a locking claw portion, 21
Is an operation member, 22 is a locking hole, 23 is an operation button, 24 is a vertical link, 26 is a horizontal link, 26a is a protrusion, and 27 is a desk top.

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[Procedure amendment]

[Submission date] September 28, 2000 (2009.2)
8)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Full text

[Correction method] Change

[Correction contents]

[Document Name] Statement

[Title of the Invention] Sewing device and embroidery sewing
attachment

[Claims]

2. The method according to claim 1, wherein said engaging portion is said stopping means.
The sewing device according to claim 1, wherein

3. The holding member (20a) is in the retracted position.
To release the holding by the holding member (20a).
A release means (24, 25, 26)
The sewing device according to claim 1 or 2, wherein

4. The sewing machine according to claim 1, wherein said embroidery sewing attachment is
Being attached to the main body from the left side, the holding member
(20a) moves up and down between the projecting position and the retracted position.
4. The moving member according to claim 1, wherein the moving member moves in a direction.
Sewing equipment.

Wherein said holding member (20a) to the extended position
And the holding member (20a).
That an elastic body (20) for maintaining the holding
A sewing device according to any one of claims 1 to 4, wherein
Place.

6. The sewing machine according to claim 6, wherein the embroidery sewing attachment is provided on the sewing machine.
Being attached to the main body from the left side, the holding member
The left side of (20a) is formed in a right angle, and
The right side of the holding member (20a) is formed in a shape tapering rightward.
The method according to any one of claims 1 to 5, wherein
Sewing equipment.

7. A free arm (3a) having a cylindrical shape of a sewing machine.
The embroidery sewing machine attached to the frame of the sewing machine
A holding member (20a) having a projecting position and a retreating position, being urged by an elastic force toward the projecting position, and holding the sewing machine and the embroidery sewing attachment; and a mounting surface for the sewing machine. And the electrical connector provided in
The embroidery sewing attachment is attached to the sewing machine
At this time, the holding member (20a) is connected to the sewing machine and the embroidery sewing.
Before holding the attachment with the attachment,
The material (20a) engages with the frame of the sewing machine and retreats.
Position and the holding member (20a) is moved to the position of the sewing machine.
When reaching a predetermined position with respect to the frame, the holding member
(20a) is moved by the bias of the elastic force, and
A material (20a) is engaged with the frame of the sewing machine, and
When the embroidery stitch attachment is
Embroidery sewing, which is connected to the sewing machine
Attachment.

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates is, the sewing machine body, thorn
Embroidery stitch attachments are now detachably attached
The present invention relates to a sewing device and an embroidery sewing attachment .

[0002]

2. Description of the Related Art Some recent desk-top sewing machines are provided with a dedicated embroidery sewing attachment attached to a sewing machine main body so that embroidery sewing can be performed. This embroidery sewing attachment has an embroidery frame that holds the cloth,
The embroidery frame is provided with various parts such as an X-axis feed motor and a Y-axis feed motor for moving the embroidery frame in the X-axis direction and the Y-axis direction, and has a considerable weight. Easy to break down.

Therefore, as described in the instruction manual, when carrying the sewing machine main body, the embroidery sewing attachment must be removed from the sewing machine main body in order to prevent the embroidery sewing attachment from dropping off. It has to be.

[0004]

However, some users do not perform the proper handling described in the instruction manual, and occasionally lift the sewing machine with the embroidery sewing attachment attached to the sewing machine body. is there. In this case, even if the lifted sewing machine main body is slightly inclined, the embroidery attachment may fall out of the sewing machine main body by its own weight, and may be damaged or broken by the impact of the drop. Also, if it falls on the user's foot, there is a risk of injury.

[0005] The present invention has been made in view of these circumstances, therefore its object is also though embroidering Atatchimen <br/> bets as lifted while wearing the sewing machine body, thorn
繍縫had a falling off of the attachment and can be reliably prevented, embroidery
It is an object of the present invention to provide a sewing device and an embroidery sewing attachment that can prevent breakage and failure of a sewing attachment and improve safety.

[0006]

[Means for Solving the Problems ] To solve the above-mentioned problems.
2. The sewing device according to claim 1, wherein
And the retracted position, and the elastic
The sewing machine and the embroidery stitch attachment
Holding member (20a) for holding, at least a sewing machine main body
When the embroidery sewing attachment is installed,
Arm (3a) and is positioned parallel to the holding member (20a).
Formed engaging portion and concave held portion (22)
The frame and the sewing machine body are equipped with embroidery sewing attachments.
When attached, the holding member (20a) is stopped at the protruding position.
Stop means for attaching, sewing machine body and embroidery sewing attachment
Electrical connector (19) provided on the mounting surface of the
It has.

[0007] Then, the sewing machine main body is attached with embroidery stitches.
When attaching the sewing machine, attach the sewing machine
Before the member is held by the holding member (20a).
The holding member (20a) is engaged with the engaging portion, and the holding member (20a) is engaged.
a) moves to the retracted position, and the holding member (20a) is held.
When the holding member (20a) reaches the portion (22), the holding member (20a)
The holding member (20a) is moved by the urging,
The sewing machine body and the embroidery stitch attachment
Characterized by being electrically connected via a connector
Sewing equipment.

[0008] In the sewing apparatus according to the second aspect , the stopping means is provided.
An engaging portion is provided, and the engaging portion protrudes the holding member (20a).
Stop in position.

A sewing device according to a third aspect of the present invention provides a sewing device
(20a) is moved to the retracted position, and the holding member (20a) is moved.
Release means (24, 25, 26) for releasing the holding by
The release means (24, 25, 26) is provided with the holding member (20).
Release the holding according to a).

A sewing machine according to a fourth aspect provides a sewing machine main body.
Embroidery sewing attachment attached from the left side, and protrusion
Holding member that moves vertically between the position and the retracted position
(20a), and how to attach an embroidery sewing attachment
The holding member (2)
0a) holds the mounting.

According to a fifth aspect of the present invention, there is provided a sewing device, comprising:
(20a) is urged toward the protruding position and held.
The elastic member (2) for maintaining the attachment by the member (20a)
0), and the elastic body (20) projects from the holding member (20a).
The holding member (20a) is urged toward the extended position.
To maintain the mounting by

According to a sixth aspect of the present invention, there is provided a sewing machine body.
Embroidery sewing attachment attached to the left from the left
Are formed at right angles and the right side tapers to the right.
Holding member (20a) formed in a shape,
The tapered shape of (20a) is on the leading side at the time of mounting and is held
The right angle of the member (20a) is on the rear side when mounted.

An embroidery sewing attachment according to claim 7.
Has a protruding position and a retracted position,
Sewing machine and embroidery sewing attachment
Holding member (20a) for holding the
An electrical connector provided on the wearing surface.

[0014] The embroidery sewing attachment is a sewing machine.
When mounted on the sewing machine, the holding member (20a) is
Before holding the attachment with the new attachment,
(20a) is engaged with the frame of the sewing machine, and
The holding member (20a) moves with respect to the frame of the sewing machine.
When the holding member (20a) reaches the predetermined position,
The holding member (20a) is moved by the urging of
The embroidery stitch attachment engages with the frame and the electrical connector
The sewing machine is electrically connected to the sewing machine via the collector.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. First, a schematic configuration of the sewing machine main body 2 on which the embroidery sewing attachment 1 is mounted will be described with reference to FIG. The sewing machine body 2 includes a bed 3 and an arm 4 extending upward and leftward from a right end of the bed 3.
It is composed of A needle bar 6 provided with a sewing needle 5 is provided at a lower portion of the distal end of the arm portion 4. The needle bar 6 is moved up and down by a driving force of a sewing machine motor (not shown) provided in the sewing machine main body 2.

Immediately behind the needle bar 6 in the lower portion of the distal end of the arm portion 4, a presser bar 7 is provided so as to be switchable between an upper position and a lower position. A cloth foot 8 is detachably attached to the section. Also,
A sewing machine handle 9 is provided on the upper surface of the arm portion 4, and the sewing machine main body 2 is carried by holding the sewing machine handle 9.

The bed 3 is provided with a cylindrical free arm bed 3a projecting leftward, and a needle plate 10 is provided on the free arm bed 3a. When performing normal sewing, the free arm bed 3
Attach an auxiliary table (not shown) to a. And if this auxiliary table is removed, the free arm bed 3a
In the case of performing embroidery sewing, the embroidery sewing attachment 1 is attached to the free arm bed 3a.

Next, the schematic structure of the embroidery sewing attachment 1 will be described. The embroidery sewing attachment 1
An embroidery frame 11 for holding a work cloth on the needle plate 10 is provided. The embroidery frame 11 can be freely moved in the horizontal direction by a horizontal moving mechanism 12. The horizontal moving mechanism 12 moves the X-axis direction moving body 13 in the X-axis direction (left-right direction) by an X-axis feed motor (not shown) built in the embroidery sewing attachment 1,
The Y-axis direction moving body 14 supporting the embroidery frame 11 is moved in the Y-axis direction (front-rear direction) along the X-axis direction moving body 13 by a Y-axis feed motor (not shown) also incorporated therein.

When the embroidery sewing attachment 1 is mounted on the free arm bed 3a, the bottom plate 15 of the embroidery sewing attachment 1 is attached to the free arm bed 3a.
a The free arm bed 3a is inserted into the gap 17 between the lower surface and the bottom plate portion 16 of the sewing machine main body 2 and fits into the concave portion 18 formed in the embroidery sewing attachment 1. In this state, the connector (not shown) on the right side of the embroidery sewing attachment 1 is inserted into the connector 19 (see FIG. 3) on the left side of the bed 3,
Thereby, the embroidery sewing attachment 1 and the sewing machine main body 2
Are also electrically connected.

On the other hand, a lock member 20 is provided on the bottom plate portion 15 of the embroidery sewing attachment 1, and when the embroidery sewing attachment 1 is mounted on the free arm bed 3a, the embroidery sewing attachment 1 is moved to the sewing machine main body 2.
It is designed to lock on. An operating member 21 is incorporated in the embroidery sewing attachment 1. By operating the operating member 21, the lock member 20 is switched from a lock position to an unlock position, and the embroidery sewing attachment 1 is connected to the embroidery sewing attachment 1. The lock with the sewing machine main body 2 is released. Hereinafter, the lock member 20 and the operation member 21 will be described in detail.

First, the lock member 20 is made of an elastically deformable synthetic resin, and is formed integrally with the bottom plate 15 at a position one step lower than the upper surface of the bottom plate 15 of the embroidery sewing attachment 1. . A locking claw 20a is provided at the tip of the lock member 20 so as to be lockable.
Are formed downward.

A locking hole 22 is formed in the bottom plate portion 16 of the sewing machine main body 2 in correspondence with the locking claw portion 20a of the locking member 20, and when the embroidery sewing attachment 1 is mounted, the locking hole is formed. The locking claw portion 20a of the member 20 is locked with the locking hole 22 to be in a locked state.

The operating member 21 is composed of a vertical link 24 having an operation button 23 fixed to an upper end thereof, and a horizontal link 26 rotatably connected to a lower end of the vertical link 24 via a caulking pin 25. It is configured. The operation button 2
Numeral 3 is disposed so as to slightly protrude from the upper surface of the embroidery sewing attachment 1. When the operation button 23 is pressed, the vertical link 24 is pushed down accordingly. On the other hand, the horizontal link 26 is rotatably supported via a fixed shaft (not shown) provided at the center (fixed to the embroidery sewing attachment 1 side), and the horizontal link 26 is pressed when the vertical link 24 is pushed down. The front end pivots about the fixed shaft in a lifting direction. The front end of the horizontal link 26 has a protrusion 2 projecting upward so as to contact the lower surface of the lock member 20.
6a are formed.

Next, the operation of the above configuration will be described.
When performing embroidery sewing, first, the auxiliary table is removed from the free arm bed 3a of the sewing machine body 2, and then the embroidery sewing attachment 1 is temporarily placed on the left side of the free arm bed 3a. In this state, the embroidery sewing attachment 1 is slid to the right along the desk top surface 27 as it is, and the embroidery sewing attachment 1 is slid.
Is inserted into the gap 17 between the lower surface of the free arm bed 3a and the bottom plate 16 of the sewing machine body 2, and the embroidery sewing attachment 1 is mounted on the free arm bed 3a.

At the time of this mounting, the lock member 20 bends within its elastic range and moves from the unlocked position to the locked position, so that the locking claw 20a of the lock member 20 is engaged with the bottom plate 16 of the sewing machine main body. The embroidery sewing attachment 1 is locked to the sewing machine main body 2 by being fitted into the stop hole 22 to be in a locked state. Further, in the mounted state, the recess 18 of the embroidery sewing attachment 1 fits into the free arm bed 3a, and the connector (not shown) on the right side of the embroidery sewing attachment 1 is connected to the connector 19 on the left side of the bed part 3. It will be in the state inserted. As a result, the embroidery sewing attachment 1 is electrically connected to the sewing machine main body 2, and thereafter functions as an embroidery sewing machine.

Conversely, when removing the embroidery sewing attachment 1 from the sewing machine main body 2, the operation button 23 of the operation member 21 is depressed by hand, and the lock member 20 is switched from the lock position to the unlock position. By this operation, the vertical link 24 is pushed down, so that the horizontal link 26
Is rotated about a fixed shaft (not shown), and its protrusion 26a
Lifts up. As a result, the lock member 20 is pushed up by the protrusion 26a of the horizontal link 26, so that the locking claw 20a of the lock member 20 is lifted from the locking hole 22 and the lock is released. In this state, the embroidery sewing attachment 1 may be pulled out to the left while sliding on the desk top surface 27.

As described above, once the embroidery sewing attachment 1 has been mounted on the sewing machine main body 2, the lock is released unless the lock member 20 is switched from the lock position to the unlock position by operating the operation member 21. Not done. Therefore, for example, even if the user lifts the sewing machine main body 2 while attaching the embroidery sewing attachment 1 by mistake, the embroidery sewing attachment 1 does not fall off due to its own weight, and the embroidery sewing attachment 1 is damaged. -Failure can be prevented, and safety is greatly improved.

To release the lock between the embroidery sewing attachment 1 and the sewing machine main body 2, the operation button 2
Since the lock can be easily released by a one-touch operation just by pressing 3, the usability is not impaired.

In the present embodiment, the lock member 20 is provided on the embroidery sewing attachment 1 side. However, on the contrary, a lock member may be provided on the sewing machine main body 2 side. In this case, the bottom plate 15 on the side of the embroidery sewing attachment 1 may be provided with a locking hole for locking with the locking member.

In this embodiment, when the embroidery sewing attachment 1 is mounted on the sewing machine main body 2, the lock member 20 is moved from the unlock position to the lock position by its own elasticity. The configuration may be such that the member 21 is operated to switch from the unlock position to the lock position.

In addition, the present invention can be variously modified without departing from the gist of the present invention, such as a configuration in which the same lock mechanism as in the present embodiment may be provided in the mounting structure of the auxiliary table.

This sewing machine is an attachment for embroidery sewing.
1 and a lock member for locking the
Switch member between the lock position and the unlock position.
Operation members are provided.
Holding the sewing machine body 2 with the attachment 1
Even if raised, the embroidery sewing attachment 1 is
Embroidery stitching can be reliably prevented from falling off from the main body 2.
To prevent breakage / failure of attachment 1 and to improve safety
It has an excellent effect that it can be achieved.

In this embodiment, the bottom plate 16
Corresponds to the “frame” according to the present invention,
The flat part on the left side is the “engagement part”, and
Step).

[0034]

As is clear from the above description, the claims
In the sewing apparatus described in 1, the sewing machine body is attached with embroidery stitches.
Attachment to the sewing machine and embroidery
Before the element is held by the holding member (20a),
The holding member (20a) is engaged with the engaging portion, and the holding member (2
0a) moves to the retracted position, and the holding member (20a) is
When reaching the holding part (22), the holding member (20a) is
The holding member (20a) is moved by the urging of
The sewing machine body and the embroidery stitch attachment
It is electrically connected via the connector, so
Wear is kept, even if embroidery sewing attachment is attached
Even if the sewing machine body is lifted while
Ensure that the touchment falls off the sewing machine
To prevent breakage and failure of embroidery sewing attachments.
It has an excellent effect of improving safety and safety.

In the sewing device according to the second aspect, the engaging portion is
Since the holding member (20a) is stopped at the projecting position,
The embroidery stitching attachment
Even if the sewing machine body is lifted with the
Make sure that no attachments fall out of the sewing machine.
Prevents damage and failure of embroidery sewing attachments
Outstanding effect of stopping and improving safety
You.

In the sewing apparatus according to the third aspect, the release means
(24, 25, 26) is held by the holding member (20a)
Release so that the attachment is securely held, even if embroidery
Lift up the sewing machine with the sewing attachment attached
If the embroidery stitch attachment is
Embroidery stitching attachment can be reliably prevented from falling off
To prevent damage and failure of the element and improve safety.
It has excellent effects.

In the sewing apparatus according to the fourth aspect, the embroidery sewing is performed.
Up and down movement that intersects the attachment direction
As a result, the holding member (20a) holds the mounting,
The attachment is securely held, even if the embroidery sewing attachment
Even if you lift the sewing machine with the
The embroidery stitch attachment falls off the sewing machine body
Embroidery sewing attachment
It has an excellent effect of preventing obstacles and improving safety.
I do.

In the sewing apparatus according to the fifth aspect, the elastic body
(20) attaches the holding member (20a) toward the protruding position.
And holding of the mounting by the holding member (20a).
Maintains a secure fit, even if embroidery
Lift the sewing machine with the attachment
Even if the embroidery sewing attachment is
The embroidery sewing attachment can be securely prevented from falling off.
To prevent breakage and failure of components and improve safety.
It has excellent effects.

In the sewing apparatus according to the sixth aspect, the holding member
The tapered shape of (20a) is on the leading side at the time of mounting and is held
Since the right angle of the member (20a) is on the rear side when mounted,
The attachment is securely held, even if the embroidery sewing attachment
Even if you lift the sewing machine with the
The embroidery stitch attachment falls off the sewing machine body
Embroidery sewing attachment
It has an excellent effect of preventing obstacles and improving safety.
I do.

An embroidery sewing attachment according to claim 7.
Now, the embroidery sewing attachment is attached to the sewing machine
At this time, the holding member (20a) is attached to the sewing machine and the embroidery stitch.
Before holding the attachment with the component, the holding member (20a) is
It engages with the frame of the thin, moves to the retracted position, and
The material (20a) is in a predetermined position with respect to the frame of the sewing machine.
When it reaches, the holding member (20a) is urged by the elastic force.
Moves, and the holding member (20a) engages with the frame of the sewing machine.
And the embroidery stitch attachment is
It is electrically connected to the sewing machine, ensuring that the
Even if the embroidery stitch attachment is
Even if you lift the thin body, the embroidery sewing attachment
Can be securely prevented from falling off the sewing machine body,
Prevention of breakage and failure of embroidery sewing attachment and safety
It has an excellent effect that it can be improved.

[0041]

[Brief description of the drawings]

FIG. 1 is an enlarged vertical sectional front view of a main part showing an embodiment of the present invention.

FIG. 2 is an overall perspective view of a sewing machine equipped with an embroidery sewing attachment.

FIG. 3 is a perspective view partially broken away showing a state before the embroidery sewing attachment is attached to the sewing machine main body.

[Description of Signs] 1 is an attachment for embroidery sewing (attachment), 2
Is a sewing machine body, 3a is a free arm bed, 9 is a sewing machine handle, 11 is an embroidery frame, 12 is a horizontal moving mechanism, 19 is a connector, 20 is a lock member, 20a is a locking claw portion, 21
Is an operation member, 22 is a locking hole, 23 is an operation button, 24 is a vertical link, 26 is a horizontal link, 26a is a protrusion, and 27 is a desk top.

Claims (1)

[Claims] 1. A sewing machine in which an attachment is detachably mounted on a sewing machine main body, wherein a lock member movable between a lock position for locking the attachment to the sewing machine main body and an unlock position for unlocking the attachment is provided. A sewing machine provided with an operating member for switching the lock member between the two positions.