JPH10131027A - Mounting structure for embroidery frame - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mounting structure for an embroidery frame having a simpler structure and improved operability by arranging guide grooves, etc., on the side of connecting members so as to be correspondingly fitted with respective guide plates on holding members. SOLUTION: This mounting structure for an embroidery frame is provided by forming fit holes 46 to be fitted with projected parts 31 provided on holding members 21 and 22, forming engagement holes 45 in their intermediate positions with the major axes in the width direction, while on connecting members 13 and 14, forming fit holes 46 near their inner parts, forming guide grooves 44 at the front ends, further, forming the engagement holes 45 in their intermediate positions to be fitted with projected parts 31a provided on the corresponding holding members 21 and 22, selecting a notched part to be set in the inner side from the two U-shaped notched parts, depending upon the direction of the object to be embroidered set on the embroidery frame 11, and arranging both the connecting members 13 and 14 and the two holding members 21 and 22 so that each one of the two guide grooves 44, two fit holes 46 and two engagement holes 45 provided on each connecting member 13 and 14 is correspondingly fitted with guide pieces 30, the projected parts 31 and projected parts 31a on the holding members 21 and 22, upon putting the connecting members 13 and 14 on the two holding members 21 and 22.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an embroidery frame mounting structure for mounting an embroidery frame for holding an embroidered object to a drive frame for driving the embroidery frame back and forth and right and left.

[0002]

2. Description of the Related Art FIG. 7 shows a conventional embroidery frame mounting structure. In FIG. 7, reference numeral 11f denotes an embroidery frame, and the inside is an embroidery space 12f. Plate-shaped connecting members 13f and 14f are fixed to both left and right edges of the embroidery frame 11f, respectively. A cutout groove 51 that opens leftward is formed in the left connecting member 13f, and a notch groove that opens rearward in the right connecting member 14f.
52 are formed. On the other hand, reference numeral 7f denotes a frame for driving the embroidery frame in the embroidery sewing machine. 21f and 22f are a pair of holding members in the drive frame 7f. In order to fix the connecting members 13f and 14f on the upper surfaces of the holding members 21f and 22f, a screw rod 53 protruding from the upper surfaces of the holding members 21f and 22f and a nut screwed thereto are fixed. 54 (see, for example, Japanese Utility Model Publication No. 1-1752).

In the above construction, when attaching the embroidery frame to the holding members 21f, 22f, the connecting members 13f, 14f are mounted on the holding members 21f, 22f so that the screw rod 53 enters the notches 51, 52, and the nut 54 is mounted. The holding members 21f, 22
The embroidery frame 11f can be mounted at a fixed position with respect to f. During embroidery, the movement of the drive frame 7f is controlled by the holding members 21f, 22f,
3. It can be transmitted to the embroidery frame 11f via the connecting members 13f and 14f. As a result, it is possible to sew an accurate pattern at a predetermined position on the cloth previously attached to the embroidery frame 11f.

[0004]

In the conventional embroidery frame mounting structure, the nut 54 has to be turned and tightened each time at the time of the mounting, and there is a problem that it takes time and effort. If the nut 54 is loosely tightened, the holding members 21f, 22
Since the connecting members 13f and 14f are displaced back and forth with respect to f, and the embroidery pattern collapses, the nut 54 must be tightly and carefully tightened. There was such a problem.

[0005] The embroidery frame mounting structure of the present application is provided to solve the above-mentioned problems of the prior art. An object of the present invention is to enable an embroidery frame to be attached to a holding member by a simple operation of merely sliding the connecting member into the upper surface of the holding member. Another object is to enable the embroidery frame to be firmly attached to the holding member in front, back, left and right even if it is installed by such a simple operation, and to embroider the horizontal movement of the drive frame accurately during embroidery. It is to be able to tell the frame and sew the correct pattern. Another object is to keep the height of the fitting projection provided for achieving the above-mentioned solid mounting state as low as possible so that the connecting member can be easily slid in a nearly horizontal state. It is to be. Another object is to fix the orientation of the connecting member with respect to the holding member on the premise of the orientation of the embroidery object even if the embroidery object is attached to the embroidery frame in the opposite direction. That is, it is possible to select a normal or reverse direction (change the direction by 180 degrees) so that the camera can be mounted. Other objects and advantages will be more readily apparent from the drawings and the following description associated therewith.

[0006]

In order to achieve the above object, the embroidery frame mounting structure according to the present invention is movable in the front-rear, left-right directions, and is juxtaposed with a space in which the embroidery frame enters. An embroidery frame positioned between two projecting holding members, the embroidery frame having a space for performing embroidery inside, and a flat plate on both sides for connecting the embroidery frame to the holding member. In the mounting structure of the embroidery frame, wherein the connecting members are projected from each other, and the connecting members are detachably connected to the holding member in the mounted state, the configuration of the two connecting members is as follows. , In one coupling member,
A notched guide groove having a U-shape is formed at the rear end to be fitted to a convex guide piece provided on the holding member, and a convex shape provided on the holding member is provided near the front side. A fitting hole for fitting to the fitting convex portion is formed, and an engaging hole having a longer diameter in the width direction is formed in an intermediate portion thereof, and the other connecting member is fitted near the back side. A mating hole is formed, a U-shaped guide groove is formed at a front end portion, and further, an intermediate portion thereof is formed with an engaging protrusion for engaging with a convex engaging convex portion provided on the corresponding holding member. A hole is formed, and on the premise of the orientation of the embroidery object mounted on the embroidery frame, a cut portion to be the deep side of the two U-shaped cut portions is selected, and the two connecting portions are formed. When the member is placed on the two holding members, the guide piece on the holding member, the fitting protrusion, and the guide groove on the coupling member side with respect to the engagement protrusion, and the fitting hole, Is the respective one of the engaging hole is arranged so as to correspond respectively fitted.

[0007]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing an embodiment of the present invention. In FIG. 1, reference numeral 1 denotes an embroidery sewing machine. The embroidery machine is a part of a multi-head embroidery machine, but may be a single embroidery machine. The embroidery sewing machine 1 is a well-known one and is configured as follows. That is, reference numeral 2 denotes a table, which includes a fixed portion 2a and a movable portion 2b.
The movable portion 2b has an upper position flush with the upper surface of the fixed portion 2a and a lower position shown in the drawing (when embroidering on a part of the peripheral surface of a bag-shaped or tubular embroidery object, Since the non-embroidery portion of the object hangs down, it is possible to move up and down between the embroidery portion and the retracted position so as not to obstruct the hanging portion. 3 is a bed and 4 is a needle drop hole. Although not shown, heads are respectively provided above the beds 3.
Reference numeral 5 denotes a vertically movable needle bar provided in the head.
A sewing needle 6 is provided at the lower end. Reference numeral 7 denotes a drive frame for driving the embroidery frame, which is movable in the front-rear direction 7a and the left-right direction 7b. Reference numeral 7 'denotes a main frame of the drive frame 7, which is driven in the directions 7a and 7b by a drive mechanism (not shown). Reference numerals 8 and 9 denote holders for holding the embroidery frames. These holders hold one embroidery frame at the left end and the right end thereof. I have. In the present specification, the back side and the front side which is the opposite side are referred to as the front side of the embroidery sewing machine where the person performing the operation is located (the lower left side in the figure) is called the front side. The side farther from the person (the upper right side in the figure) is called the back side. Also, with respect to the holders 10 described below, the corresponding sides are called the front side and the back side, respectively.

[0010] Next, reference numeral 10 denotes a holder for holding the embroidery object 15. Reference numeral 11 denotes an embroidery frame of the holder, which is formed in an annular shape, and the inside of which is an embroidery space 12 for performing embroidery on a workpiece.
It has become. Reference numerals 13 and 14 denote connection members (also referred to as connection members) provided on the left and right sides of the embroidery frame 11 for connection to the holder. Reference numeral 15 denotes an embroidery object which is a single cloth or a bag or a tube which needs to be embroidered with the movable section table 2b lowered, for example, a trainer, T
Although there are clothes such as shirts, the latter is illustrated here.

Next, the holders 8 and 9 will be further described with reference to FIGS. Reference numerals 21 and 22 denote holding members for the holders 8 and 9, respectively. The back end portions 21 'and 22' are attached to the main frame 7 ', and the embroidery frames 11 are juxtaposed to hold the embroidery frame 11 on both left and right sides. To protrude forward. The distance D between the holding members 21 and 22 is set so as to ensure a space for one embroidery frame 11 to be inserted therebetween. In this example, a holding member 21 or holding member 22 for holding one embroidery frame 11 and a holding member 22 or holding for holding another embroidery frame 11 brought to a position adjacent to the embroidery frame 11 are provided. Although an example in which the member 21 and the member 21 are integrally formed is shown, these may be formed separately and individually fixed to the main frame 7 '. Reference numerals 21a and 22a denote the upper surfaces of the holding members 21 and 22, respectively, for receiving the lower surfaces of the connecting members 13 and 14 and supporting the connecting members. These receiving surfaces 21a, 22a are connected by connecting members 13,
14 is formed on a smooth and flat surface to facilitate insertion (sliding).

Next, fasteners 23 and 24 provided for fastening the connecting members 13 and 14 to the holding members 21 and 22 in the holders 8 and 9 will be described. Reference numeral 25 denotes a spacer provided on each of the holding members 21 and 22 for holding a base portion of a later-described pressing spring at a predetermined height from the receiving surfaces 21a and 22a. Reference numeral 26 denotes an end 13a, 14a of the connecting member 13, 14, which is a receiving surface 21.
A lifting prevention piece for preventing floating from a and 22a, which is fixedly provided on receiving surfaces 21a and 22a with a gap 27 for insertion of ends 13a and 14a therebetween. Although the spacer 25 is used as a holder for the floating prevention piece 26 as an example of the means for fixedly providing, the holder may be fixed to the holding members 21 and 22 using a holder separate from the spacer 25. 28 is a connecting member
An example in which a stopper for regulating the insertion position of 13 and 14 (position toward the back side) is formed by using a part of a spacer 25 is shown. Reference numeral 30 denotes a guide piece for guiding the position of the connecting member 14 in the left-right direction with respect to the holder 9 when the connecting member 14 is mounted on the holder 9, and is fixed to the holding member 22 so as to protrude from the receiving surface 22a. A pin is exemplified. 31 is a holding member
A fitting protrusion provided on the fitting portion 22 provided in a state of protruding from the receiving surfaces 21a and 22a is shown. The above-mentioned fitting portions are used for positioning the connecting members 13 and 14 with respect to the holding members 21 and 22 and transmitting a horizontal force from the holding members 21 and 22 to the connecting members 13 and 14 by mutual fitting. Things. The fitting protrusion 31
Shows an example in which pins are fixed to the holding members 21 and 22. The height of the fitting projection 31 is determined by the insertion of the connecting members 13 and 14 onto the receiving surfaces 21a and 22a, and by the connecting members 13 and 14
a, 22a, the height is set as low as possible within a range in which the function as the fitting portion can be performed so that the operation can be performed only slightly raised. The height of the connecting members 13, 14 is almost completely prevented from rising from the receiving surfaces 21a, 22a due to the presence of the pressing spring described below, so that the height is equal to or less than the thickness of the connecting members 13, 14. It may be higher.

Reference numerals 33, 33 denote pressing springs for preventing the pair of fitting portions from coming off. The connecting springs 13, 14 placed on the receiving surfaces 21a, 22a are pressed against the receiving surfaces 21a, 22a. In addition, by preventing the fitting from being lifted up therefrom, the above-mentioned disengagement is prevented. The pressing spring 33 is connected to the connecting member 1.
In order to be able to slide under the free end of the pressing spring 33 by pushing the three and 14 along the receiving surfaces 21a and 22a, the base part 34 is located on the back side and the set screw 35 Thus, it is fixed to the holding members 21 and 22, and the front side is a free end. Numeral 36 denotes a free end, which is a pressing portion for pressing the connecting members 13 and 14 to prevent the connecting members 13 and 14 from floating from the receiving surfaces 21a and 22a. The pressing portion 36 presses the connecting members 13 and 14 near the fitting protrusions 31 and 31 in order to make it difficult for the pair of fitting portions to be disengaged. A guide portion 37 guides the ends 13a and 14a of the connecting members smoothly under the holding portion 36 when the connecting members 13 and 14 slide under the holding portion 36 along the receiving surfaces 21a and 22a. And is formed on a slope facing downward on the front side. 38 is a pressing part for guidance,
When the connecting members 13 and 14 are inserted, their ends 13a and 14
a for guiding the a to travel toward the gap 27 without abutting against the floating stopper 26, and the ends 13a and 14a.
Is elastically pressed toward the receiving surfaces 21a and 22a to provide guidance. Reference numeral 39 denotes a guide portion for smoothly guiding the end portions 13a and 14a of the connecting member under the pressing portion 38. The guide portion 39 is formed on a slope facing forward and downward. The fixing screw 35 is also used as a means for fixing the spacer 25 to the holding members 21 and 22.

Next, the holder 10 will be further described with reference to FIG. The embroidery frame 11 is a pair of frame bodies that can be separated from each other, such as an inner frame 41 and an outer frame, so that the embroidery object can be held in a state in which the embroidery place in the embroidery object is stretched in the embroidery space 12. It consists of 42. In this case, the space inside the inner frame 41 is the embroidery space 12. Connecting member
13 and 14 are receiving surfaces 21 of holding members 21 and 22 in holders 8 and 9.
The connecting plate is formed in a thin plate shape so that it can be slid under the pressing spring 33 by being pushed along the a and 22a. As an example of such a plate-shaped means, for example, a metal plate is bent into a crank shape in cross section, and one piece thereof is used as a connecting plate. The piece 43 on the opposite side of the bent side is used as a fastening piece for the embroidery frame 11, for example, the inner frame 41.
It is stuck to. The connecting members 13 and 14 may be attached to the outer frame 42 in some cases. Reference numeral 44 denotes a guide groove formed in a U-shape (also referred to as a V-shape) provided on the front end 13b and the back end 14a of the connecting members 13 and 14, respectively. This is for guiding the positions of the connecting members 13 and 14 with respect to the holder 9 in the left-right direction when they are attached to the holders 8 and 9. The guide groove 44 is formed in such a shape that the width gradually decreases from the rear end 44a toward the deep portion of the guide groove 44 so that the guide can be smoothly performed. Reference numerals 45 and 46 denote engagement holes provided in the connection members 13 and 14 of the pair of engagement portions, and engagement holes, respectively, for fitting the engagement projection 31a and the engagement projection 31 respectively. Correspondingly formed as possible. Although these fitting engagement holes 45 and 46 are illustrated as through holes, they may be bottomed concave portions opened on the lower surfaces of the connecting members 13 and 14. These engagement portions 45 and 46 are provided when the connecting members 13 and 14 are brought to predetermined positions with respect to the positions corresponding to the engagement engagement portions 31 and 31a, that is, the holding members 21 and 22, respectively. It is provided at the position where it overlaps with 31 and 31a. Fit engagement recesses 45, 46 corresponding to these
The embroidery object 15 attached to the holder 10 in order to firmly maintain the state of engagement with the engagement protrusions 31 and 31a.
The front ends 13b, 14 on the side where the load applied from the connecting members 13, 14 to the receiving surfaces 21a, 22a greatly increases due to the weight of
b. The engagement concave portion 45 is disposed between the back side and the front side, and a large contraction force is generated in the embroidery object due to an increase in the number of embroidery stitches on the embroidery object, and the contraction force reduces the width dimension of the inner frame 41. Even if it becomes a situation, the engagement projections accompanying the reduction
It is formed in a long hole that is long in the left-right width direction to prevent biting with 31a. Note that the relationship between the convex portion and the concave portion is relative to the positioning of the pair of fitting portions (31, 45, 46) and the function of transmitting the force in the horizontal direction, and the fitting portions 31, 31a are fitted. The fitting portions 45 and 46 may be formed in the corresponding fitting convex portions while being formed in the mating concave portions. The installation position may be on the front side of the presser spring 33 (FIG. 2).
It may be around 6,38. Further, the pair of guide members including the guide piece 30 and the guide groove 44 are relative, and the side of the connecting member 14 may be tapered, and the side of the holder 9 may be formed in a corresponding funnel-shaped recess.

A case where embroidery is performed on the embroidery object 15 using the embroidery frame 11 will be described. When embroidering is performed on the embroidery object 15, the embroidery object 15 is mounted on the embroidery frame 11 so that the embroidery planned position in the embroidery object 15 is located in the embroidery space 12. Next, the embroidery frame 11 is loaded into the holders 8 and 9. In this operation, the embroidery frame 11 is advanced to the space between the right and left holders 8 and 9 toward the back side, and the left and right connecting members 13 and 14 are respectively connected to the receiving surfaces 21a and 21 Insert it under the pressing spring 33 along the 22a. In this case, the insertion of the connecting member 14 will be described with reference to FIG. Connecting member 13
Also proceeds in parallel with the insertion of the connecting member 14. First, as shown in (A), the end portion 14a is advanced in the
Slide it under the holding part 36 along a. The reason why the arrow 47 is inclined is to avoid interference between the connecting member 14 and the fitting projection 31. However, since the fitting convex portion 31 is formed to have a low height as described above, the inclination may be very small enough to clear the fitting convex portion 31, and the fitting is inserted almost along the receiving surface 22a. Can be performed. Next, as shown by the arrow 48, the end 14a is directed to the gap 27 in FIG. In this case, since the end portion 14a is pressed downward by the pressing portion 38,
Gap without letting end 14a abut against levitation blocker 26
You can go to 27. Also, in this case, the connection member 14 is advanced by advancing the guide piece 30 into the guide groove 44.
Is guided so that the position in the left-right direction with respect to the holder 9 is appropriate. As a result, the fitting concave portion 46 smoothly moves to a position where the fitting concave portion 46 overlaps with the fitting convex portion 31. When the right and left positions of the connecting member 14 are appropriate, the right and left positions of the connecting member 13 with respect to the holder 8 are also set to the appropriate positions. Connecting member as above
When the tip of 14 contacts the stopper 28,
46 is in a state of being overlapped with the fitting projection 31. When this occurs, the end 14b of the connecting member 14 is lowered onto the receiving surface 22a, and the fitting recess 46 is fitted to the fitting projection 31, as shown in FIG.
45 is fitted to the engaging projection 31a. By the above operation, the embroidery frame 11 is attached to a predetermined position with respect to the holders 8 and 9.

Next, as shown in FIG. 7, when the trainer 15 has been mounted on the embroidery frame 11, it may be noticed that the mounted state is opposite to that in FIG. In this case, it is not necessary to remove and reattach the embroidery object 15 as in the related art.
That is, of the two guide grooves 44, 44, the guide groove 44 (one of the coupling members 13, 14) of a preferred orientation suitable for the state of the trainer 15 is connected to one of the holding members 21, 22. Guide piece 30
, The coupling members 13 and 14 may be attached to the holding members 21 and 22 in the same manner as described above. Then, regardless of which of the guide grooves 44, 44 is directed to the back side, the coupling members 13, 14 with respect to the guide piece 30, the fitting convex portion 31, and the engaging convex portion 31a on the holding members 21, 22. Side two guide grooves 44,44 and fitting holes 46,4
6 and one of the engagement holes 45, 45 are symmetrically arranged so as to correspond to each other, so that if the orientation is changed by 180 degrees, they are integrated in the horizontal direction.

Next, the operation of embroidering the embroidery object loaded on the embroidery sewing machine 1 as described above will be described. Drive frame 7
Moves in the directions of arrows 7a and 7b in FIG. 1 based on a predetermined program. The movement is performed by holding members 21 and 22, fitting engagement convex portions 31 and 31a,
The embroidery object 15 is transmitted to the embroidery frame 11 via the fitting engagement recesses 45 and 46 and the connecting members 13 and 14, and moves integrally with the drive frame 7. The needle bar 5 moves up and down in synchronization with the movement, and the embroidery object 15 is moved by the needle 6.
Embroidery is performed. In the above case, since the pressing portion 36 of the pressing spring 33 prevents the connecting members 13 and 14 from floating,
The fitting state of the fitting projections 31, 31 with the fitting projections 31, 31 is maintained very firmly. Therefore, the accuracy of the movement of the embroidery object 15 is stably maintained, and accurate embroidery of a predetermined pattern is stably performed on the embroidery object 15. The fitting state between the fitting concave portions 45 and 46 and the fitting convex portions 31 and 31 is also maintained by the load applied to the connecting members 13 and 14 due to the weight of the holder 10 and the weight of the embroidery object 15.

After the embroidery is completed, the embroidery frame 11 is removed in the reverse procedure. That is, first, the end portion 14b is lifted from the state shown in FIG. 4C, and the fitting between the fitting concave portion 46 and the fitting convex portion 31 is released. Similarly for the connecting member 13, the fitting concave portion 45 and the fitting convex portion
Remove the mating of 31. Next, when the embroidery frame 11 is pulled forward, the two connecting members 13 and 14 come out from between the holding members 21 and 22 and the pressing spring 33, respectively, and the embroidery frame 11 comes off from the holders 8 and 9.

Next, in the case of the embroidery described above, when the embroidery object 15 is clothing such as a trainer and embroidery is performed on the chest or back of the embroidery, the fitting engagement recesses 45 and 46 are also engaged for the following reason. The reliability of maintaining the fitted state with the mating convex portions 31 and 31a is increased.
That is, when performing embroidery in the above-described location, the embroidery object 15
On the other hand, the embroidery frame 11 is positioned in a relationship as shown in FIG. The center of gravity of the embroidery frame 11 is substantially at the center of the embroidery frame 11 as indicated by the reference numeral G when the embroidery object is not mounted. However, when the embroidery object 15 as described above is mounted, the position of the center of gravity in the mounted state is a position on the front side as compared with the case where the embroidery object 15 is not mounted, as indicated by reference numeral G ', due to the weight of the sleeve 15a. For this reason, the load applied from the connecting members 13 and 14 to the receiving surfaces 21a and 22a greatly increases at the ends 13b and 14b. Due to the increased load, the end portions 13b and 14b become the receiving surfaces 21a and 22a.
, It becomes more difficult to float, and the maintenance of the fitted state between the fitting projections 31, 31 and the fitting recesses 45, 46 becomes firm.

Next, the example of FIG. 6 is intended to prevent erroneous damage of the pressing spring when the embroidery frame is mounted on the holder. In the figure, 50 is a pressing spring 33e.
This is a deformation limiting member for preventing excessive deformation, is formed of a hard material, and is fixedly provided at a position as shown in the figure.
The deformation restricting member 50 restricts the deformation of the portion of the pressing spring 33e near the base portion 34e by the connecting member when the embroidery frame is mounted, within a range of its elastic limit. As a result, it is possible to prevent an accident that the pressing spring 33e is permanently deformed and the connecting member cannot be pressed. In addition, parts that are considered to be functionally the same as or equivalent to those in the previous figure and whose description is to be duplicated are denoted by the same reference numerals as those in the previous figure, and the duplicated description is omitted.

[0019]

As described above, according to the present invention, if the holding members 21 and 22 are provided with the pressing springs 33 in advance, the connecting members 13 and 14 of the embroidery frame 11 can be attached to the holding members 21 and 22. When the connecting members 13 and 14 are to be engaged, the receiving members 21 and 22
A simple operation that the guide piece 30, the fitting protrusion 31 and the engagement protrusion 31a are fitted to the guide groove 44 and the fitting engagement holes 46 and 45 with respect to the a and 22a. Thus, there is an effect that the whole can be fitted. Also, even if the embroidery object 15 is mounted in the opposite direction with respect to the embroidery frame 11, there is no need to re-install the embroidery object 15,
Just by looking at the orientation of the embroidery object 15 and changing the orientation of the embroidery frame 11 by 180 degrees, the coupling members 13 and 14 are quickly and securely attached to the holding members 21 and 22 as described above. There is an effect that can be done.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a part of a multi-head embroidery sewing machine.

FIG. 2 is a plan view showing a holder and a connecting member in a state before an embroidery frame is attached to the holder.

FIG. 3 is a plan view showing the holder and a connecting member in a state where an embroidery frame is attached to the holder.

FIGS. 4A, 4B, and 4C are cross-sectional views showing a relationship between a holding member, a pressing spring, and a connecting member in a process of attaching a holding member to a holder (a position taken along a line IV-IV in FIG. 3). Sectional view).

FIG. 5 is a plan view showing an attachment position of an embroidery frame to clothing.

FIG. 6 is a cross-sectional view illustrating an example of a holder including a deformation limiting member of a pressing spring.

FIG. 7 is a perspective view showing a state in which the embroidery object is mounted on the embroidery frame in a reverse direction.

FIG. 8 is a plan view showing a conventional embroidery frame mounting structure.

[Explanation of symbols]

 11 Embroidery frame 13, 14 Coupling member 21, 22 Holding member 30 Guide piece 31 Fitting convex part 31a Engaging convex part 33 Press spring 45 Engaging concave part 46 Fitting concave part 44 Guide groove

Claims (1)

[Claims] 1. An embroidery frame which is movable between front and rear, left and right, and which is located between two holding members projecting in a juxtaposed state with a space for inserting the embroidery frame therebetween. Is provided with a space for embroidering on the inside, a flat connecting member for connecting an embroidery frame to the holding member is protruded on both sides, and the connecting member is provided with respect to the holding member. In the mounting structure of the embroidery frame that is detachably connected in the mounted state, the configuration of the two connecting members is as follows.
In one of the coupling members, a U-shaped notched guide groove for fitting with a convex guide piece provided on the holding member is formed at the back end, and a holding member is provided near the front side. Forming a fitting hole for fitting into the convex fitting convex portion provided on the upper side, further forming an engaging hole having a longer diameter in the width direction at an intermediate portion thereof, and in the other coupling member, , A fitting hole is formed near the back side, a U-shaped guide groove is formed at the front end, and a fitting engagement convex portion provided on the corresponding holding member is fitted at an intermediate portion thereof. An engagement hole is formed for engagement, and a cut-out portion to be the deep side of the two U-shaped cut-out portions is selected based on the orientation of the embroidery object mounted on the embroidery frame. Then, when the two connecting members are put on the two holding members, the guide member on the holding member, the fitting convex portion, and the engaging convex portion each have a coupling member side. And a guide groove One, and the fitting hole,
An attachment structure for an embroidery frame, wherein each of the engagement holes is arranged so as to fit each one.