JP7220951B2 - Embroidery frame fixing member - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an embroidery frame to be attached to a sewing machine having an embroidery function, and more particularly to an embroidery frame fixing member used when fixing a material to be sewn to the embroidery frame.

2. Description of the Related Art Conventionally, when a material to be sewn is stretched over an embroidery frame, a plurality of clips are fitted to a ridge circumferentially formed on the inner peripheral edge of the embroidery frame, and the material to be sewn is attached to the embroidery frame by means of the clips. and a clip body fitted to the ridge, and a clip body that is attached to the clip body and expands and deforms as the embroidery progresses on the material to be sewn. A clip for an embroidery frame is known which is composed of an auxiliary member for preventing this (see Patent Document 1).

However, in the embroidery frame clip described in Patent Document 1, since the material to be sewn is held by the clip on the upper surface of the circumferentially formed ridge, the material is thick like cotton-filled quilt fabric. When the material to be sewn is stretched on the embroidery frame, there is a problem that the clip body cannot pinch the material to be sewn, or even if it does, the material to be sewn is quickly removed.
In order to solve this problem, a substantially rectangular frame body consisting of four sides of the frame, a holding fixture composed of a top part and guide pieces bifurcated from both ends of the top part in the width direction, the frame body or It consists of a magnet member attached to one side of the holder and a member to be attracted attached to the other side, and the holder can be detachably attached to each frame side portion of the frame via magnetic force. An embroidery frame for a sewing machine is known (see Patent Document 2).

Further, the sewing machine has an outer frame formed in a frame shape with both ends facing each other, and an inner frame formed in a frame shape so as to be fittable inside the outer frame. The outer frame is stretched on the inner frame and held between the inner frame and the outer frame, and the space between both ends of the outer frame is adjusted to adjust the thickness of the outer frame according to the thickness of the material to be sewn. An embroidery frame device for a sewing machine that can adjust the tightening force is also known (see Patent Document 3).

JP-A-2001-314679 JP 2010-82017 A JP 2008-279184 A

However, in the embroidery frame disclosed in Patent Document 2, when the material to be sewn is to be reupholstered in the frame, the work to be sewn is freed simply by removing the holder from the frame, making it difficult to reupholster. However, since the width of the guide piece is fixed, there is a problem that when the sewing material is too thick, the sewing material cannot be held between the frame and the holder.
Further, in the embroidery frame device described in Patent Document 3, although it is possible to easily attach and detach the sewing material to and from the embroidery frame, if the material to be sewn is too thick, the holding force of the outer frame with respect to the inner frame is weakened. , there is a problem that the sewing material is easily detached from the embroidery frame.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above problems. To provide an embroidery frame fixing member capable of adjusting the degree of tightening of an embroidery frame.

In order to solve the above-described problems, the present invention provides an embroidery frame fixing member to be attached to an embroidery frame having an inner frame and an outer frame for clamping an object to be sewn, wherein the fixing member is attached to the inner side of the inner frame. and a fixing unit having a pair of pressing portions for pressing the outside of the outer frame, and a pair of sliding portions for changing the distance between the pair of pressing portions, by sliding against the pair of pressing portions. a slide unit that presses the pair of pressing portions inward , wherein the facing surfaces of one of the pair of pressing portions and the sliding portion that presses the pressing portion are inclined with respect to the sliding direction. A configuration characterized by

As a specific embodiment of the embroidery frame fixing member of the present invention, the fixing unit has, as the pair of pressing portions, an inner frame side pressing portion that presses the inner frame and an outer frame side pressing portion that presses the outer frame. Further, the slide unit has a fixed connecting portion that connects the inner frame side pressing portion and the outer frame side pressing portion, and the slide unit has the inner frame side pressing portion as the pair of slide portions and the outer frame side pressing portion. and an outer-frame-side slide portion for pressing the outer-frame-side pressing portion against the inner-frame side; and a slide connecting the inner-frame-side slide portion and the outer-frame-side slide portion. A connection portion is provided, and the fixed connection portion and the slide connection portion have an engagement slide portion that engages and slides with each other. A configuration characterized by having a pressing portion that directly presses the sewn product is adopted.

As another specific embodiment of the embroidery frame fixing member of the present invention, the slide unit has a locking portion, and the fixing unit is configured such that the locking portion is engaged along the sliding direction of the slide unit. The locking portion is formed in the lever portion deformed in the vertical direction and the lever portion is separated from the locked portion. and a handle for holding the fixed part, and the locking part has a locking claw that engages with the locked part, It has a tapered surface that overcomes the locked portion when the pressing portion of the unit is pressed, and a locking surface that prevents separation from the locked portion on the opposite side of the tapered surface. Adopt a configuration that

The embroidery frame fixing member of the present invention has a fixing unit having a pair of pressing portions that press against the inner side of the inner frame and the outer side of the outer frame of the embroidery frame, and a pair of sliding portions that change the distance between the pair of pressing portions. and a slide unit that slides against the pair of pressing portions to press the pair of pressing portions inward , wherein one of the pair of pressing portions faces the sliding portion that presses the pressing portion. Since the surfaces are inclined with respect to the sliding direction, in the embroidery frame having an inner frame and an outer frame for sandwiching the material to be sewn, the pair of surfaces can be moved by simply sliding the slide unit relative to the fixing unit. The interval between the pressing portions can be changed, and the tightness of the sewing material to the embroidery frame can be adjusted.

Further, in the embroidery frame fixing member of the present invention, the slide unit has a locking portion, and the fixing unit extends along the sliding direction of the slide unit. In order to prevent the fixing unit from inadvertently loosening the fastening of the embroidery frame, the slide unit has the locking part that engages with the locked part of the fixing unit. It is possible to prevent the slide unit from sliding in the direction of loosening the pressing force of the pressing portion of the fixing unit.

1 is an overall perspective view showing a state in which an embroidery frame fixing member according to a first embodiment of the present invention is attached to an embroidery frame; FIG. 1A is a cross-sectional view showing a state in which a cloth is held by an inner frame and an outer frame; FIG. 2 is a cross-sectional view showing a state in which an embroidery frame fixing member is attached to an embroidery frame holding a cloth; FIG. FIG. 4A is a schematic diagram for explaining the principle of adjusting the tightening pressure by the slide unit of the embroidery frame fixing member according to the first embodiment of the present invention; FIG. b) is a diagram showing a state in which the inner frame and the outer frame are pressed. FIG. 7 is a view showing an embroidery frame fixing member according to a second embodiment of the present invention, where (a) is a perspective view and (b) is a vertical sectional view; FIG. 12A is a schematic diagram for explaining the principle of adjusting the tightening pressure by the slide unit of the embroidery frame fixing member according to the second embodiment of the present invention; FIG. b) is a diagram showing a state in which the inner frame and the outer frame are pressed.

Next, an embroidery frame fixing member according to an embodiment of the present invention will be described with reference to the drawings shown in the examples.
In addition, in the description of the first embodiment, in the perspective view of FIG. Let's say "outer frame side".
In addition, in the description of the second embodiment, in the perspective view of FIG. 4A, the vertical direction is "vertical", the upper left to lower right direction is "back and forth" or "axial direction", and the upper right direction is "inner frame side". , the lower left direction is defined as the “outer frame side”.

1 and 2(b), 1 is an embroidery frame used when sewing an embroidery pattern with an embroidery machine such as a sewing machine with an embroidery function or an automatic embroidery machine. A frame-like inner frame 3 is an outer frame that holds the cloth F from the outside of the inner frame 2. The inner frame 2 and the outer frame 3 that constitute the embroidery frame 1 are held together by a plurality of fixing members 5. holding an F.
The inner frame 2 is formed in a rectangular shape such as a substantially rectangular shape or a substantially square shape in a plan view, and is composed of four sides formed in an outer shape capable of holding the cloth F. and formed with an inner shape corresponding to the outer shape of the inner frame 2 to hold the fabric F between the inner frame 2, the spacing between said ends being adjusted by screws or the like. The parts are adjustable.

As shown in FIG. 2(b), the fixing member 5 is attached to an embroidery frame 1 having an inner frame 2 and an outer frame 3 for holding a cloth F therebetween. A fixing unit 10 having pressing walls 11 and 12 which are a pair of pressing portions for pressing the cloth F, and a slide wall 31 which is a pair of sliding portions for changing the interval between the pair of pressing walls 11 and 12 according to the thickness of the cloth F. , 32, and slides in the axial direction of the embroidery frame 1 (forward and backward with respect to the fixed unit 10).
It should be noted that the sliding direction of the slide unit 30 is not limited to the axial direction, but may be a vertical direction or a direction perpendicular to the axial direction, and is not limited to the axial direction of the embroidery frame 1 .

The fixing unit 10 includes, as the pair of pressing portions, an inner frame side pressing wall 11 that is an inner frame side pressing portion that presses the inner side of the inner frame 2 and an outer frame side pressing portion that presses the outer side of the outer frame 3. It has a side pressing wall 12 and a fixed connecting portion 14 that connects the upper end portion of the inner frame side pressing wall 11 and the upper end portion of the outer frame side pressing wall 12 .
Since the inner frame side pressing wall 11 and the outer frame side pressing wall 12 are connected to the fixed connecting portion 14 via the hinge portion 13 formed thin at the upper end, the inner frame side pressing wall 11 and the outer frame side pressing wall 12 are connected to each other. The outer-frame-side pressing walls 12 are each swingable inwardly with the hinge portion 13 as a fulcrum. It's like

The fixed connecting portion 14 includes an inner frame side lateral wall 15 extending inwardly from a hinge portion 13 at the upper end of the inner frame side pressing wall 11 and an inner frame side lateral wall 15 extending inwardly from the hinge portion 13 at the upper end of the outer frame side pressing wall 12. an inner frame-side vertical wall 17 erected from the inner edge of the inner frame-side horizontal wall 15; an outer frame-side vertical wall 18 erected from the inner edge of the outer frame-side horizontal wall 16; A ceiling wall 19 connects the upper end of the frame-side vertical wall 17 and the upper end of the outer frame-side vertical wall 18 .
On the lower surfaces of the inner frame-side lateral wall 15 and the outer frame-side lateral wall 16 (fixed connection portion 14), a cloth pressing portion 20, which is a pressing portion that directly presses the cloth F placed on the upper surface of the outer frame 3, is fixed with a screw. 29 attached. The presser foot 20 is made of a magnet, and the outer frame 3 is made of a material that can be attracted by a magnet.

The inner frame side pressing wall 11 has an inner frame side pressing protrusion 21 formed along the axial direction on the inner side of the lower end except for the intermediate portion, and an inner frame side pressing inclined surface 23 formed on the outer side along the axial direction. It is
Similarly, the outer-frame-side pressing wall 12 has an outer-frame-side pressing protrusion 22, which is a pressing portion that directly presses the cloth F, on the inner side of the lower end along the axial direction except for the intermediate portion. An outer frame side pressing inclined surface 24 is formed along the direction.
As shown in FIG. 3, the inner frame-side inclined pressing surface 23 and the outer frame-side inclined pressing surface 24 are inclined with respect to the axial direction of the embroidery frame 1 (expanding outward from the front to the rear). is formed as
The ceiling wall 19 has an inner frame side sliding protrusion 25 formed on the left side, an outer frame side sliding protrusion 26 formed on the right side, and a first stopping portion 27 formed on the top surface of the front end. , and a second stop 28 formed on the top surface of the rear end.

As shown in FIG. 2(b), the slide unit 30 is an inner frame side slide portion that presses the outside of the inner frame side pressing wall 11 against the outer frame 3 side as the pair of slide portions. It has a wall 31 and an outer frame side slide wall 32 that is an outer frame side slide portion that presses the outer side of the outer frame side pressing wall 12 against the inner frame 2 side. It has a top wall 33 which is a slide connecting portion that firmly connects with the upper end portion of the outer frame side slide wall 32 .

As shown in FIG. 3, the inner frame side slide wall 31 has an inner frame side slide inclined surface 34 formed on the inside of the lower portion thereof, which is in sliding contact with the inner frame side pressing inclined surface 23 of the fixed unit 10. A knurl 37 is formed along the direction.
Similarly, the outer-frame-side slide wall 32 has an outer-frame-side slide inclined surface 35 formed on the inside of the lower portion thereof, which is in sliding contact with the outer-frame-side pressing inclined surface 24 of the fixed unit 10 . A knurl 37 is formed.
The top wall 33 has a sliding groove portion 36 in which an inner frame side sliding protrusion 25 and an outer frame side sliding protrusion 26 projecting left and right from the top wall 19 of the fixed unit 10 are accommodated. formed.
Here, the inner frame side sliding projection 25 and the outer frame side sliding projection 26 of the fixed connecting portion 14 and the sliding groove portion 36 of the sliding connecting portion 33 are engaged with each other and slide. forming a mating sliding part

Next, the mode of use and effects of this embodiment will be described.
First, in order to hold the cloth F in the embroidery frame 1 of this embodiment, as shown in FIG. While being lifted to the outside, it is pushed into the outer frame 3 from above, the outer frame 3 is pressed against the outer side of the inner frame 2, the cloth F is sandwiched between the inner frame 2 and the outer frame 3, and then the cloth F is removed. It is placed on the upper surface of the outer frame 3 and hung along the outside of the outer frame 3. - 特許庁

Next, when attaching the fixing member 5 from above the embroidery frame 1, as a preparatory work, the slide unit 30 is moved to the initial position shown in FIG. Between the inner frame side pressing inclined surface 23 and the inner frame side sliding inclined surface 34 of the slide unit 30 and between the outer frame side pressing inclined surface 24 of the fixed unit 10 and the outer frame side sliding inclined surface 35 of the slide unit 30 , a gap s is generated respectively, and the inner frame side pressing wall 11 and the outer frame side pressing wall 12 of the fixing unit 10 are in the most open state.
After the preparatory work is completed, as shown in FIG. 2(b), a plurality of fixing members 5 are attached from above the embroidery frame 1 holding the cloth F between the inner frame 2 and the outer frame 3 as required. The fixing unit 10 presses the cloth F placed on the upper surface of the outer frame 3 by the cloth pressing portion 20, and bends the cloth F from the upper surface of the outer frame 3 along the outer side by the outer frame side pressing wall 12. In addition, the cloth F is pressed to the outside of the outer frame 3 by the outer frame side pressing protrusion 22 .

After attaching the fixing member 5 to the embroidery frame 1, the inner frame side slide wall 31 of the slide unit 30 and the inner frame side slide wall 31 are adjusted in accordance with the thickness of the fabric F to be used to adjust the tightness between the inner frame 2 and the outer frame 3. By grasping the knurls 37 formed on the surface of the outer frame side slide wall 32 with fingers, the slide unit 30 is slid in the arrow direction (axial direction) with respect to the fixed unit 10 as shown in FIG. 3(b).
Then, between the inner frame side pressing inclined surface 23 of the fixed unit 10 and the inner frame side sliding inclined surface 34 of the slide unit 30, and between the outer frame side pressing inclined surface 24 of the fixed unit 10 and the outer frame side slide of the slide unit 30. The slopes 35 become closer to each other, and the respective gaps s disappear eventually.

In this manner, the fixed member 5 is such that the inner frame side sliding inclined surface 34 and the outer frame side sliding inclined surface 35 of the slide unit 30 are aligned with the inner frame side pressing inclined surface 23 and the outer frame side pressing inclined surface 24 of the fixed unit 10 . By sliding along, the gap s is closed, and the inner frame side slide wall 31 and the outer frame side slide wall 32 of the slide unit 30 press against the inner frame side pressing wall 11 and the outer frame side pressing wall 12 of the fixed unit 10 . The hinge portion 13 is used as a fulcrum to press the cloth F inward, and the cloth F is placed between the inner frame 2 and the outer frame 3, between the upper surface of the outer frame 3 and the cloth presser portion 20, and between the outer side of the outer frame 3 and the outer frame side. It can be held in a state of being sandwiched between it and the pressing protrusion 22 .
In this embodiment, the fixed unit 10 is formed with the inner frame side pressing inclined surface 23 and the outer frame side pressing inclined surface 24, and the slide unit 30 is formed with the inner frame side slide wall 31 and the outer frame side slide wall 32. However, the fixed unit 10 and the slide unit 30 may be arranged such that the facing surfaces on either the inner frame 2 side or the outer frame 3 side are inclined with respect to the axial direction of the embroidery frame 1 .
Furthermore, in this embodiment, the top wall 19 of the fixed unit 10 has a first stopping portion 27 formed on the upper surface of the front end and a second stopping portion 28 formed on the upper surface of the rear end, thereby allowing the slide unit It is possible to prevent detachment from the fixing unit 10 when the 30 is slid in the front-rear direction.

Next, when removing the fixing member 5 attached to the embroidery frame 1, the slide unit 30 is slid leftward from the state shown in FIG. 3(b) to return to the initial position shown in FIG. Between the inner frame side pressing inclined surface 23 of the fixed unit 10 and the inner frame side sliding inclined surface 34 of the slide unit 30, and between the outer frame side pressing inclined surface 24 of the fixed unit 10 and the outer frame side sliding inclined surface of the slide unit 30 35, respectively, the inner frame side pressing wall 11 and the outer frame side pressing wall 12 of the fixing unit 10 are in the most opened state, and the fixing member 5 can be easily removed from the embroidery frame 1. can be done.

Next, a second embodiment will be described in which the structures of the fixing unit 10 and the slide unit 30 that constitute the fixing member 5 of the first embodiment are modified.
4 and 5, reference numeral 7 denotes a plurality of fixing members attached to an embroidery frame 1 having an inner frame 2 and an outer frame 3 for sandwiching a cloth F; A fixing unit 60 having pressing walls 41 and 42, which are a pair of pressing portions for pressing, has a pair of sliding walls 61 and 62, which are sliding portions for changing the distance between the pair of pressing walls 41 and 42, and the embroidery frame. 1 is a slide unit that slides in the axial direction.

The fixing unit 40 includes, as the pair of pressing portions, an inner frame side pressing wall 41 that is an inner frame side pressing portion that presses the inner side of the inner frame 2 and an outer frame side pressing portion that presses the outer side of the outer frame 3. It has a side pressing wall 42 and a fixed connection portion 44 that connects the upper end portion of the inner frame side pressing wall 41 and the upper end portion of the outer frame side pressing wall 42 .
Since the inner frame side pressing wall 41 and the outer frame side pressing wall 42 are connected to the fixed connecting portion 44 via the hinge portion 43 formed thin at the upper end, the inner frame side pressing wall 41 and the outer frame side pressing wall 42 The outer frame side pressing walls 42 swing inward with the hinge portions 43 as fulcrums to change the distance between the inner frame side pressing walls 41 and the outer frame side pressing walls 42 .

The fixed connecting portion 44 includes an inner frame side lateral wall 45 extending inwardly from a hinge portion 43 at the upper end of the inner frame side pressing wall 41 and an inner frame side lateral wall 45 extending inwardly from the hinge portion 43 at the upper end of the outer frame side pressing wall 42 . an outer frame-side horizontal wall 46, an inner frame-side vertical wall 47 erected from the inner edge of the inner frame-side horizontal wall 45, an outer frame-side vertical wall 48 erected from the inner edge of the outer frame-side horizontal wall 46, and an inner A ceiling wall 49 connects the upper end of the frame-side vertical wall 47 and the upper end of the outer frame-side vertical wall 48 .
On the lower surfaces of the inner frame-side lateral wall 45 and the outer frame-side lateral wall 46 (fixed connection portion 44), a cloth pressing portion 50, which is a pressing portion that directly presses the cloth F placed on the upper surface of the outer frame 3, is fixed with a screw. 59 attached.

The inner frame side pressing wall 41 has an inner frame side pressing protrusion 51 formed along the axial direction on the inner side of the lower end except for the intermediate portion, and an inner frame side pressing inclined surface 53 formed on the outer side along the axial direction. It is
Similarly, the outer-frame-side pressing wall 42 has an outer-frame-side pressing protrusion 52, which is a pressing portion that directly presses the cloth F, on the inner side of the lower end along the axial direction except for the intermediate portion. An outer frame side pressing inclined surface 54 is formed along the direction.
The inner frame-side inclined pressing surface 53 and the outer frame-side inclined pressing surface 54 are formed so as to be inclined in the axial direction of the embroidery frame 1, as shown in FIG.

The ceiling wall 49 includes an inner frame sliding projection 55 formed on the right side, an outer frame sliding projection 56 formed on the left side, and a second stop 57 formed on the upper rear end. and
In this embodiment, the top wall 49 (fixed connecting portion 44) is adjacent to the second stopping portion 57 and has a plurality of concave portions 58 formed concavely from the upper surface along the sliding direction of the slide unit 60. The concave portion 58 functions as a locked portion that engages with a hook-shaped locking portion 70 that is a locking portion of the slide unit 60 described later.

The slide unit 60 includes, as the pair of slide portions, an inner frame side slide wall 61 that presses the outer side of the inner frame side pressing wall 41 against the outer frame 3 side, and an inner frame side slide wall 61 that presses the outer side of the outer frame side pressing wall 42 toward the inner frame 2 side. and a top wall 63 which is a slide connecting portion that firmly connects the upper end of the inner frame side slide wall 61 and the upper end portion of the outer frame side slide wall 62. have.

As shown in FIG. 5, the inner frame side slide wall 61 is formed with an inner frame side slide slope surface 64 that slides on the inner frame side pressing slope surface 53 of the fixing unit 40 on the inside of the lower part. A knurl 67 is formed along the direction.
Similarly, the outer-frame-side slide wall 62 is formed with an outer-frame-side slide inclined surface 65 on the inside of the lower portion thereof, which is in sliding contact with the outer-frame-side pressing inclined surface 54 of the fixed unit 40. A knurl 67 is formed.
The top wall 63 has a sliding groove portion 66 in which an inner frame side sliding protrusion 55 and an outer frame side sliding protrusion 56 projecting left and right from the top wall 49 of the fixed unit 40 are accommodated. formed.
Here, the inner frame side sliding projection 55 and the outer frame side sliding projection 56 of the fixed connecting portion 44 and the sliding groove portion 66 of the sliding connecting portion 63 are engaged with each other and slide. It forms a mating sliding portion.

In this embodiment, the top wall (slide connecting portion) 63 includes a hook-shaped locking portion 70 that is a locking portion formed toward the fixed connecting portion 44 (top wall 49) of the fixed unit 40. there is
The hook-shaped engaging portion 70 faces the upper surface of the top wall 49 of the fixed unit 40, is formed by making an axial cut 63a in a part of the top wall 63, and is a lever portion that deforms in the vertical direction. 71, a locking claw 72 extending vertically from the tip of the lever portion 71 and engaging with the concave portion 58 of the fixing unit 40, and a locking claw 72 standing upright from the tip of the lever portion 71 in an inverted L shape. It also has a grip portion 73 for removing 72 from the recessed portion 58 that is the engaged portion.
The locking claw 72 has a tapered surface 72a that can climb over the edge 58a of the recess 58 of the fixing unit 40 when the slide unit 60 is slid in the direction of pressing the pressing walls 41 and 42 of the fixing unit 40. Then, when the slide unit 60 is slid in the direction of loosening the pressing walls 41 and 42 of the fixing unit 40, the locking surface 72b engages with the edge 58a of the recess 58 on the side opposite to the tapered surface 72a. and

Next, the mode of use and effects of this embodiment will be described.
First, when attaching the fixing member 7 from the top of the embroidery frame 1, as in the first embodiment, as a preparatory work, the slide unit 60 is brought to the initial position shown in FIG. As a result, the inner frame side pressing wall 41 and the outer frame side pressing wall 42 of the fixing unit 40 are in the most opened state.
After the preparatory work is completed, the fixing member 7 is attached from above the embroidery frame 1 holding the cloth F between the inner frame 2 and the outer frame 3 .

After the fixing member 7 is attached to the embroidery frame 1, the inner frame side slide wall 61 of the slide unit 60 and the inner frame side slide wall 61 are adjusted in accordance with the thickness of the fabric F to be used to adjust the tightness of the inner frame 2 and the outer frame 3. By grasping the knurls 67 formed on the surface of the outer frame side slide wall 62 with fingers, the slide unit 60 is slid with respect to the fixed unit 40 in the direction of the arrow as shown in FIG. 5(b).
At this time, as shown in FIG. 4B, the tapered surface 72a of the locking claw 72 engaged with the recessed portion 58 of the fixing unit 40 abuts the edge portion 58a of the recessed portion 58, and the tip of the lever portion 71 is closed. is deformed upward, the locking pawl 72 is lifted, and the locking pawl 72 can repeat to climb over the edge 58a of the recess 58 and enter the adjacent recess 58 again.
In this way, the slide unit 60 is designed so that the hook-shaped engaging portion 70 engages with the concave portion 58 of the fixing unit 40 to prevent the fixing unit 40 from inadvertently loosening the fastening of the embroidery frame 1 . can be prevented from sliding forward.

In this manner, the inner frame side sliding inclined surface 64 and the outer frame side sliding inclined surface 65 of the slide unit 60 slide along the inner frame side pressing inclined surface 53 and the outer frame side pressing inclined surface 54 of the fixed unit 40 . As a result, the gap s is closed, and the inner frame side slide wall 61 and the outer frame side slide wall 62 of the slide unit 60 move the inner frame side pressing wall 41 and the outer frame side pressing wall 42 of the fixed unit 40 to the hinge portion 43 as a fulcrum. , the cloth F is pressed inward between the inner frame 2 and the outer frame 3, between the upper surface of the outer frame 3 and the cloth pressing portion 50, and between the outer side of the outer frame 3 and the outer frame side pressing projection portion 52. It can be held in a state sandwiched between
In this embodiment, the top wall 49 of the fixed unit 40 is provided with a second stopping portion 57 formed on the top surface of the rear end so that when the slide unit 60 is slid rearward, the top wall 49 of the fixed unit 40 You can prevent it from coming off.

Next, when removing the fixing member 7 attached to the embroidery frame 1, slide the slide unit 60 leftward from the state shown in FIG. 5(b) to return it to the initial position shown in FIG. 5(a). , in this embodiment, the hooked locking portion 70 of the slide unit 60 must be disengaged from the recess 58 of the fixed unit 40 .
At this time, as shown in FIG. 4(b), the lever portion 71 is deformed upward by lifting the handle portion 73 with a finger, and the locking claw 72 is disengaged from the concave portion 58 of the fixing unit 40. can be removed.
When the slide unit 60 is returned to the initial position, the space between the inner frame side pressing slope surface 53 of the fixed unit 40 and the inner frame side slide slope surface 64 of the slide unit 60 and the outer frame side pressing slope surface 54 of the fixing unit 40 and the outer-frame-side slide inclined surface 65 of the slide unit 60, respectively, the inner-frame-side pressing wall 41 and the outer-frame-side pressing wall 42 of the fixing unit 40 are in the most open state, and the fixing member 7 can be easily removed from the embroidery frame 1.

The embroidery frame fixing member of the present invention has a fixing unit having a pair of pressing portions that press against the inner side of the inner frame and the outer side of the outer frame of the embroidery frame, and a pair of sliding portions that change the distance between the pair of pressing portions. and a slide unit that slides against the pair of pressing portions, and the facing surfaces of one of the pair of pressing portions and the sliding portion that presses the pressing portion are inclined with respect to the sliding direction. By doing so, in the embroidery frame having the inner frame and the outer frame for sandwiching the sewing material, the interval between the pair of pressing portions can be changed simply by sliding the slide unit with respect to the fixing unit. It is possible to adjust the tightness of the material to be sewn to the embroidery frame, and it is advantageous for wide application to embroidery sewing machines such as sewing machines with an embroidery function and automatic embroidery machines.

F Cloth (material to be sewn)
s Gap 1 Embroidery frame 2 Inner frame 3 Outer frame 5, 7 Fixing members 10, 40 Fixing units 11, 41 Inner frame side pressing wall (inner frame side pressing portion)
12, 42 Outer frame side pressing wall (outer frame side pressing portion)
13, 43 Hinge portions 14, 44 Fixed connection portions 15, 45 Inner frame side horizontal walls 16, 46 Outer frame side horizontal walls 17, 47 Inner frame side vertical walls 18, 48 Outer frame side vertical walls 19, 49 Ceiling walls 20, 50 Cloth Pressing part (pressing part)
21, 51 Inner frame side pressing projections 22, 52 Outer frame side pressing projections (pressing portions)
23, 53 Inner frame side pressing inclined surfaces 24, 54 Outer frame side pressing inclined surfaces 25, 55 Inner frame side sliding projection (engagement sliding portion)
26, 56 Outer frame side sliding projection (engagement sliding portion)
27 First stop portions 28, 57 Second stop portions 29, 59 Fixing screws 30, 60 Slide units 31, 61 Inner frame side slide wall (inner frame side slide portion)
32, 62 outer frame side slide wall (outer frame side slide portion)
33, 63 top wall (slide joint)
34, 64 Inner frame side sliding inclined surfaces 35, 65 Outer frame side sliding inclined surfaces 36, 66 Sliding groove portion (engagement sliding portion)
37, 67 Knurl 58 Concave portion (locked portion)
58a Edge 63a Notch 70 Hook-shaped locking portion (locking portion)
71 lever portion 72 locking claw 72a tapered surface 72b locking surface 73 grip portion

Claims (6)

An embroidery frame fixing member to be attached to an embroidery frame having an inner frame and an outer frame for clamping a material to be sewn,
a fixing unit having a pair of pressing parts for pressing the inner side of the inner frame and the outer side of the outer frame;
a slide unit having a pair of slide portions for changing the distance between the pair of pressing portions, and pressing the pair of pressing portions inward by sliding against the pair of pressing portions;
An embroidery frame fixing member, wherein a facing surface between one of the pair of pressing portions and the sliding portion for pressing the pressing portion is inclined with respect to the sliding direction. The fixed unit is
As the pair of pressing portions, an inner frame side pressing portion for pressing the inner frame and an outer frame side pressing portion for pressing the outer frame are provided, and the inner frame side pressing portion and the outer frame side pressing portion are provided. having an interlocking fixed connection;
The slide unit is
The pair of sliding portions includes an inner-frame-side sliding portion that presses the inner-frame-side pressing portion against the outer frame and an outer-frame-side sliding portion that presses the outer-frame-side pressing portion against the inner frame; a slide connecting portion that connects the inner frame side slide portion and the outer frame side slide portion;
2. The embroidery frame fixing member according to claim 1, wherein the fixed connecting portion and the sliding connecting portion have engaging sliding portions that engage and slide with each other. 3. The embroidery frame fixing member according to claim 2, wherein the fixing unit has a pressing portion that directly presses the material to be sewn. The slide unit has a locking portion,
The embroidery frame fixing member according to any one of claims 1 to 3, wherein the fixing unit has a locked portion with which the locking portion engages along the sliding direction of the slide unit. . 5. The embroidery according to claim 4, wherein the engaging portion includes a lever portion that deforms in a vertical direction, and a handle portion formed on the lever portion for separating from the engaged portion. Frame fixing member. The locking portion has a locking pawl that engages with the locked portion,
The locking pawl has a tapered surface that rides over the locked portion when the pressing portion of the fixing unit is pressed, and a locking surface that prevents separation from the locked portion on the opposite side of the tapered surface. 5. The embroidery frame fixing member according to claim 4, further comprising:

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