JPS601627Y2 - Sleeve plate holding device on work table - Google Patents

Description

[Detailed description of the invention] This invention relates to a work table on which a portable sewing machine is placed for sewing work. A front sleeve plate is provided that can be rotated between a laid down position forming the same plane and a raised position therefrom, and the front sleeve plate is connected to the front sleeve plate and the front sleeve plate and the above-mentioned position are connected to the front sleeve plate when the front sleeve plate is in the laid down position. When the front sleeve plate is in the upright position, it is located at an upper position so as to form substantially the same plane as the support surface of the workpiece of the sewing machine placed on the mounting section. An upper sleeve plate is provided, and a rotating plate is provided for cooperating with the front sleeve plate to move the upper sleeve plate to an upper position, and a holding means is provided for holding the upper sleeve plate at the upper position. The present invention relates to a work table characterized by:

Therefore, the purpose of this invention is to arrange the front sleeve board in a reclining position and to arrange the upper sleeve board in a downward position to ensure a wide working surface and to perform cutting and other operations efficiently. Furthermore, when the front sleeve plate is placed in the upright position and the upper sleeve plate is placed in the upper position, the workpiece support surface of the sewing machine can be substantially expanded and the workpiece cloth can be smoothly guided. The sewing work can be carried out efficiently, and the internal mechanism for moving both sleeve plates can be concealed, resulting in an excellent appearance, and the upper sleeve plate can be securely held in the upper position. It's about providing a table.

Hereinafter, an embodiment embodying this invention will be explained based on the drawings. In the drawing, 1 is a cabinet section 2, a table section 3, and a leg section 4 that supports the table section 3. As shown in FIG. 3, the cabinet section 2, which is the base of the work table, has an upper storage section 5 with an opening at the top for storing an iron, etc., and two storage sections for storing small items. A drawer 6 and a lower storage section 7 for storing the head of the sewing machine are provided.

Reference numeral 8 denotes a door for opening and closing the front surface of the lower storage section 7.

Reference numeral 9 denotes a sliding plate constituting the top plate of the cabinet section 2, which can be slid to a forward protruding position, and when the sliding plate 9 is protruded, the upper storage section 5 is opened upward.

As shown in FIGS. 3, 5, and 6, 10 is a table support plate fixed to the upper end of the side plate 12 of the cabinet section 2 by a fixing metal fitting 11, and is attached to the side plate 12 of the cabinet section 2 together with the sliding plate 9. It constitutes a top plate, and the left side edge protrudes to the left side of the side plate 12.

Reference numeral 13 denotes a table support frame of the table portion 3, which is attached to the side protrusion of the table support plate 10 by an appropriate number of hinges 14 at the side frame portion 13a, as shown in FIGS. 5 and 6. , which can be rotated between a horizontal position and a vertically hanging position.

Reference numeral 15 is fixed to the right side of the front end of the upper surface of the table support frame 13, and as shown in FIGS. 2, 7, and 8, a free-arm porta-pull sewing machine M is mounted thereon in cooperation with the table support plate 10. The table support plate 10 has a front end slightly protruding forward from the table support frame 13, and when the table part 3 is positioned horizontally as shown in FIG. It is designed to form the same plane as the top surface of.

In addition, the porta pull sewing machine M was manufactured by Utility Model No. 51-1183.
As shown in the 5-inch gazette, the workpiece support plate ( Auxiliary plate) M2 is provided.

When the sewing machine is used as a free-arm sewing machine, the workpiece support plate M2 is moved and supported under the lower arm M3.

Reference numeral 16 indicates the table support frame 13 on the left side of the mounting plate 15, as shown in FIGS. 5, 9, and 10.
A front sleeve plate attached to the front frame portion 13b of the mounting plate 1 by a hinge 17, as shown in FIGS. 1 and 2.
5, and an upright position where it rises diagonally forward from that position.

The front ends of the front sleeve plate 16, the mounting plate 15, the table support plate 10, and the sliding plate 9 are formed to hang downward in an arc shape, and the front sleeve plate 16 is in the collapsed position. Sometimes their anterior ends are continuous.

Further, as shown in FIGS. 3 and 10, the hinge 17
is fixed to a recess 18 formed on the left side of the front frame portion 13b, so that the hinge 17 and the lower surface of the front sleeve plate 16 do not interfere with each other.

Reference numeral 19 denotes an upper sleeve plate which is arranged after the front sleeve plate 16 and the mounting plate 15 and whose plane is approximately L-shaped, and as shown in FIGS. 9 and 10, the front end of the front protrusion 19a is The front sleeve plate 16 is hinged to the rear end of the front sleeve plate 16, and when the front sleeve plate 16 is in the collapsed position as shown in FIG. When the front sleeve plate 16 is in the upright position, the free arm sewing machine M is placed in an upper horizontal position and placed on the mounting plate 15, as shown in FIGS. 2 and 8.
The front protrusion 19a and the side protrusion 19b are continuous with the left edge and side edge of the workpiece support surface M1, respectively.

As shown in FIGS. 9 and 10, 20 is a hinge that connects the front sleeve plate 16 and the upper sleeve plate 19, and a pair of fixed pieces 20a thereof connect the front sleeve plate 16 and the upper sleeve plate 1, respectively.
9, and is formed by bending both rotation pieces 20a upward so that the connecting shaft 21 is located within the gap between both sleeve plates 16 and 19, and the upper sleeve plate 19 is in the upper position. When the front sleeve plate 16 is placed in the upright position, both rotation pieces 20a engage with each other and the upper sleeve plate 1
Further upward movement of the sleeve plate 9 and standing rotation of the front sleeve plate 16 are prevented.

22 and 23 are cover members fixed to the rear end surface of the front sleeve plate 16 and the front end surface of the upper sleeve plate 19, respectively, and when both sleeve plates 16 and 19 form the same horizontal plane, the cover members are Both tips overlap each other to connect the upper surfaces of both sleeve plates 16 and 19, and when the upper sleeve plate 19 is in the upper position, the arcuate portion is exposed and acts to close the gap between the two sleeve plates. It is.

24, as shown in FIGS. 5, 9, and 10, fixing pieces 25 are fixed to the lower surface of the upper sleeve plate 19 and the intermediate frame portion 13c of the table support frame 13, respectively. A pair of left and right rotating plates, including a front sleeve plate 16
The length is approximately the same as the distance between the hinges 17 and 20.

Therefore, the rotating plate 24, the upper sleeve plate 19, and the front sleeve plate 16
and the table support frame 1 by the table support frame 13
A four-bar link with 3 as a fixed node is constructed.

27 is between the front sleeve plate 16 and the rotating plate 24,
A first guide having a rectangular cross section is fixed to the lower surface of the outer side frame portion 13d of the table support frame 13, and a long groove 28 extending in the horizontal direction is transparent in the longitudinal direction in the vertical portion 27a. has been done.

As shown in FIG. 10, the long groove 28 has a receiving portion 28a extending obliquely downward at the front end (right end in FIG. 10).
Furthermore, a locking recess 28b extending downward is provided at the lower edge near the rear end (left side in FIG. 10).

Reference numeral 29 denotes a second guide tool having a generally mouth-shaped cross section and fixed on the lower surface of the central frame portion 13f of the table support frame 13 opposite to the first guide tool 27. A long groove 30 similar to that of the first guide tool 27 is provided.

Further, as shown in FIG.
Apertures 31 and 32 are provided at locations opposite to the left end in Figure 0), respectively.

Reference numeral 33 denotes a fixture 34 fixed to the back surface (lower surface) of the front sleeve plate 16 at the intermediate portion, as shown in FIGS. 10 and 11.
．． 34 is a crank-shaped holding arm rotatably and slidably supported in the axial direction, and both open ends 33
a and 33b are inserted into the long groove 28 so as to be movable back and forth.

When the upper sleeve plate 19 is placed in the lower position and the front sleeve plate 16 is placed in the collapsed position, the holding arm 33
is laid down so that its open ends 33ay 33b are located at the rear ends of the long grooves 28, and when the upper sleeve plate 19 is placed in the upper position and the front sleeve plate 16 is placed in the upright position, the holding arm 33 is in the As shown in FIG. 10, it stands up so that its open end is located at the front end of the long groove 28.

35 and 36 are stop rings attached to both open ends 33a and 33b of the holding arm 33, as shown in FIG. The holding arm 3 is engaged with the right vertical portion 29b of the holding arm 3
This acts to restrict the range of movement of 3 in the axial direction.

The edge 33c of the right open end 33b of the holding arm 33 forms a locking portion that can engage with the openings 31 and 32 provided in the right vertical portion 29b of the second guide 29.

37 is a grip attached to the left open end 33a of the holding arm 33.

Reference numeral 38 denotes a leg body provided movably between the lower position of the table support plate 10 and the lower position of the outer side frame portion 13d of the table support frame 13, and includes a pair of front and rear legs 39. The structure is constructed by providing reinforcing frames 41 and 42 between the top and bottom of the .40.

Reference numeral 43 denotes a pair of leg supports fixed at front and rear positions on the lower surface of the side frame 13d, which engage the upper part of the leg 38 when the leg 38 is placed at a lower position of the side frame 13d. It is supposed to be done.

Therefore, if the legs 38 are placed below the table support plate 10 and the table part 3 hangs down, the legs 38 can be placed between the table support frame 13 and the side plate 12 of the cabinet part 2, and With the table part 3 horizontal, the legs 38 are placed below the side frame part 13d, and the upper reinforcing frame 41
When the leg receivers 43 are engaged on top, the legs 38 become legs of the table part 3, and the table part 3 can be held in a horizontal position.

44 and 45 are wheels attached to the lower ends of the front leg 39 and the rear leg 40.

46 is a connecting plate for connecting the rear upper part of the side plate 12 of the cabinet part 2 and the rear leg 4 between the reinforcing frames 41 and 42, and is formed so that it can be folded toward the front at the intermediate part thereof, When the leg body 38 is placed in a position supporting the table part 3, it is extended, and when the leg body 38 is placed in a position below the table support plate 10, it is folded at the middle part to support the front leg 39. It is arranged between the rear leg 40 and the rear leg 40.

The connecting plate 46 and the leg 38 constitute the leg 4.

Next, the operation of the work table configured in this way will be explained.

Now, FIGS. 4 and 6 show a non-use state in which the legs 38 are placed in a non-use position and the table portion 3 is suspended.

To change from this state to a use state, rotate the table part 3 upward, move the legs 38 outward, and engage the leg receivers 43 of the reinforcing frame 41 with the upper part of the legs 38. As shown in FIG. 1, the upper surface of the table portion 3, that is, the upper surface of the front sleeve plate 16, the upper sleeve plate 19, and the mounting plate 15, is supported in a substantially horizontal state. 10 and the top surfaces of the sliding plate 9 form the same plane.

This creates a wide and flat work surface, allowing tasks such as ironing and cutting to be carried out efficiently.

At this time, the holding arm 33 is laid down as shown in FIG. 9, and its open ends 33a, 33b are at the rear ends of the first and second guides 27, 29 (left end in FIG. 9). furthermore, to the right (cabinet side) as shown by the solid line in Figure 13.
, the edge 33c of the right open end 33b is engaged with the opening 32 of the right vertical portion 29b of the second guide 29.

Therefore, upward movement of the front sleeve plate 16 and the upper sleeve plate 19 is prevented.

Further, the gripping body 37 is attached to the upper sleeve plate 19 as shown in FIG.
Since the grip body 37 is located below and does not protrude to the left side of the upper sleeve plate 19, it does not interfere with the work.

Next, the free-arm porta-pull sewing machine M is placed on the mounting plate 15.
To perform normal sewing work by placing the
7 to move the holding arm 33 as shown by the dashed line in FIG. Sleeve plate 16
When the upper sleeve plate 19 is raised and raised, the open ends 33a and 33b of the holding arm 33 are moved along the long grooves 2B and 30 of the first and second guides 27 and 29. Those open ends 33 a, 33 b are the first
As shown in Figure 0, the right end of length 128.30 is engaged.

In this state, press the grip 37 of the holding arm 33 downward (rotate the holding arm 33 counterclockwise in FIG. 10).
Then, the open end 33 of the holding arm 33
b are engaged with the receiving portions 28a, 30a of the long grooves 28, 30, so that the upper sleeve plate 19 and the front sleeve plate 16 are held in the upper position and the upright position.

In this state, the upper sleeve plate 19 can be held sufficiently against the force applied to the upper surface, but if the holding arm 33 is further moved to the right in this state, the right open end of the holding arm 33 The edge 33c of the sleeve 33b is engaged with the hole 31, and the upper sleeve plate 19 and the front sleeve plate 16 are held securely and firmly as shown in FIG.

In this way, by holding the upper sleeve plate 19 at the same height as the workpiece support surface M of the sewing machine M, the rear edge and left edge of the workpiece support surface M1 of the sewing machine M are continuous. A working surface is formed.

Therefore, since the support surface for the workpiece is substantially expanded, sewing and feeding of large workpiece cloths can be performed smoothly, and the front sleeve plate 16 stands obliquely, allowing the upper sleeve plate Since a working surface continuous with the front edge of the upper sleeve plate 19 is formed, the work cloth is guided smoothly without being caught by the front edge of the upper sleeve plate 19.Furthermore, the front sleeve plate 16 allows the work cloth to be smoothly guided by the front edge of the upper sleeve plate 19 as described above. Even if the table support frame 13 is floating
, the internal mechanisms such as the rotating plate 24 can be hidden from view from the front.

Therefore, the sewing work can be carried out efficiently, and the appearance can be prevented from being spoiled because the internal mechanism cannot be seen.

Further, since the upper sleeve plate 19 and the front sleeve plate 16 are securely held in the upper position and the upright position as described above by the holding arm 33 and the first and second guide tools 27 and 29, the sewing machine There is no fear that the holding action will be released due to vibrations of the sewing machine during use.

Next, as shown in FIG. 7, the workpiece support plate M of the sewing machine M is
2 is folded downward and the lower arm M3 is free to sew the annular part, etc., while holding the upper sleeve plate 19, operate the gripper 37 to move the holding arm 33 to the left. After disengaging the edge 33c of the right open end 33b from the aperture 31, the gripping body 37 is moved upward to separate the open ends 33a, 33b of the holding arm 33 and the long groove 2B.
30 is disengaged from the receiving portions 28a, 30a and the first
The state is as shown in Figure 0.

Next, when the upper sleeve plate 19 and the front sleeve plate 16 are slowly moved downward, the open ends 33a, b of the holding arm 33 are moved rearward along both long grooves 28,30.

During this movement, the upper sleeve plate 19
3, the open ends 33a, 33b of the holding arm 33 engage with the locking recesses 28b, 30b of the long grooves 28, 30, thereby locking the movement.

Thus, the upper sleeve plate 19 and the front sleeve plate 16 are temporarily held in the state shown in FIG.

That is, the latching recesses 28b and 30b with lengths i28 and 30
acts as a buffer.

Next, lift the gripping body 37 slightly upward and hold the holding arm 33.
open ends 33a, 33b and long groove 2B.

When the engagement with the latching recesses 28b and 30b of 30 is disengaged, the front sleeve plate 16 and the upper sleeve plate 19 move downward by their own weight, and the front sleeve plate 16 and the upper sleeve plate 19 are in the collapsed position and downward. Move to position.

After that, when the grip body 37 is moved to the right, the holding arm 3
3 is moved to the right so that the edge 33c of the right open end 33b is engaged with the opening 32 of the second guide 29 as shown in FIG. 13, and the upper sleeve plate 19 and the front sleeve plate 16 are moved downward. and held in the prostrate position.

In this way, the front sleeve plate 16 and the upper sleeve plate 19 are arranged on the same plane as the mounting plate 15 and the top plate of the cabinet section 2.

For this reason, the periphery of the lower arm is open, and circular sewing or the like can be easily performed without any trouble.

Further, as described above, while the upper sleeve plate 19 is being moved from the upper position to the lower position, the table support frame 13
Since the sewing machine is temporarily stopped slightly above the sewing machine, it is possible to prevent the sewing machine user's fingers from getting caught between the upper sleeve plate 19 and the front sleeve plate 16 and the table support frame 13 or the mounting plate 15. This prevents damage to fingers, etc.

Next, at the end of the sewing work, after storing the sewing machine M in the lower storage section 7 inside the door 8, the connecting plate 46 of the leg 38 is folded and the leg 38 is moved toward the cabinet section 2. If the table portion 3 is allowed to hang down, it can be made compact as shown in FIG. 4, making it convenient to store when not in use.

At this time, as described above, the edge 33c of the right open end 33b of the holding arm 33 is aligned with the opening 32 of the second guide 29.
Since the upper sleeve plate 19 and the front sleeve plate 16 are engaged with each other, the upper sleeve plate 19 and the front sleeve plate 16 do not move unexpectedly.

Although this embodiment has been described using a porta-pull sewing machine having a lower arm formed in a cylindrical shape, it goes without saying that a sewing machine commonly referred to as a flatbed type sewing machine can also be used in the same manner.

In addition, in this embodiment, the upper sleeve plate 19 and the front sleeve plate 1
The open ends 33a and 33b of the holding arm 33 serve as a holding mechanism for holding the guide tool 2 in the upper position and the collapsed position.
7.29 receiving part 28a.

30a to hold it, and the edge 33c of the right open end 33b of the holding arm 33 to engage and hold the opening 31 of the guide tool 29, which are used twice for safety. However, it is sufficient if only one of them is provided.

Further, in this embodiment, a holding arm 33 for holding the upper sleeve plate in the upper position is attached to the front sleeve plate 16, and a guide member 27.2 is attached to the front sleeve plate 16.
9 are provided on the table support frame 13, but they may be provided in the opposite manner.

Furthermore, in this embodiment, the holding arm 33 and the guide tool 27
．． 28 is provided between the front sleeve plate 16 and the table support frame 13, but it goes without saying that it may be provided between the rotation plate 24 and the table support frame 13.

As exemplified in the embodiments above, this invention provides a front sleeve plate that can be moved between a lying position that forms almost the same plane and an upright position on the left side of the mounting part provided on the base body. and a lower position that is connected to the front sleeve plate and forms the same plane as the front sleeve plate when the front sleeve plate is in the collapsed position, and a lower position that is substantially coplanar with the workpiece support surface of the crease when the front sleeve plate is in the upright position. an upper sleeve plate that is movable to an upper position; further provided is a rotating plate that cooperates with the front sleeve plate to move the upper sleeve plate to the upper position; and a rotating plate that moves the upper sleeve plate to the upper position; By providing the holding means for holding, when the front sleeve plate is placed in the laid down position and the upper side sleeve plate is placed in the downward position,
It is possible to form a wide work surface to perform cutting and other operations efficiently, and when the front sleeve plate is placed in the upright position and the upper sleeve plate is placed in the upper position, the workpiece support surface of the sewing machine is virtually covered. In addition to being expandable, the work cloth can be guided smoothly and sewing work can be carried out efficiently.Furthermore, the internal mechanism can be hidden by the front sleeve plate, giving an excellent appearance.

[Brief explanation of drawings]

The drawings show a work table that embodies this invention, and FIG. 1 is an overall perspective view showing the state of use with the front sleeve plate placed in the collapsed position and the upper sleeve plate placed in the downward position. Figure 2 is an overall perspective view showing the state of use with the front sleeve plate placed in the upright position and the upper sleeve plate placed in the upper position, Figure 3 is an exploded perspective view showing the hinges removed, and Figure 4 is the legs. Fig. 5 is a plan view, Fig. 6 is a sectional view of the unused state, and Fig. 7 is a sectional view showing the state of the circular line. , FIG. 8 is a sectional view showing the state of the normal line, and FIGS.
Figure 2 is for explaining the action of the sleeve plates; Figure 9 is a left side view in the first state, and Figure 10 is a left side view of both sleeve plates with the upper sleeve plate moved to the upper position. 11 is a sectional view taken along the line XI-XI of FIG. The figure is a plan view showing the relationship between the holding arm and the first and second guide tools, and FIG. 14 is the X [V-
It is a sectional view taken along the line XIV. Base body 1, mounting plate 15, front sleeve plate 16, upper sleeve plate 19, first guide 27, long groove 28, second guide 29, long groove 3
0, openings 31, 32, holding arm 33°

Claims (1)

[Claims for Utility Model Registration] 1. A work table on which a porta-pull sewing machine having a horizontally extending workpiece support surface is placed to perform sewing work, the work table being provided with a placing part on which the porta-pull sewing machine is placed. a base body, a lying position that is arranged in parallel to the left side of the placement part and hinged to the base body at the base end to form approximately the same plane as the top surface of the placement part; and an upright position that stands up from the base body. a rotatable front sleeve plate; a lower position that is connected to the other end of the front sleeve plate and forms substantially the same plane with the front sleeve plate and the mounting portion when the front sleeve plate is in a collapsed position; an upper sleeve plate that is movable to an upper position that forms substantially the same plane as the workpiece support surface of the sewing machine in an upright position of the sleeve plate; a rotary plate rotatably attached to the lower surface of the base member for cooperating with the front sleeve plate to move the upper sleeve plate to the upper position; and a space between the front sleeve plate or the rotary plate and the base body. and a holding means for holding the upper sleeve plate in an upper position. 2. The holding means includes a holding arm whose base end is rotatably attached to either the front sleeve plate or the rotating plate and the base body, and the upper sleeve plate provided on the other of these arms is in an upper position. The sleeve plate holding device for a work table according to claim 1, further comprising a hooking member for engaging and holding the open end of the holding arm in a moved state. 3. The latching member is a guide device provided with a long groove portion that slidably guides the open end of the holding arm, and a latching recess provided in communication with the long groove portion. The work table according to claim 2 of the utility model registration claim. 4. The holding means includes a holding arm whose proximal end is rotatably attached to one of the front sleeve plate or the rotating plate and the base body so as to be slidable in the axial direction, and the holding arm is attached to the other of them. In the work table according to claim 1, the work table comprises a support provided so as to be lockable with a locking portion provided on the open end side as the work table moves in the axial direction. Sleeve plate holding device.