CN1932117A - Sewing machine - Google Patents
Sewing machine Download PDFInfo
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- CN1932117A CN1932117A CN 200610151723 CN200610151723A CN1932117A CN 1932117 A CN1932117 A CN 1932117A CN 200610151723 CN200610151723 CN 200610151723 CN 200610151723 A CN200610151723 A CN 200610151723A CN 1932117 A CN1932117 A CN 1932117A
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Abstract
The sewing machine (1) is equipped with a stitch balancing thread tension apparatus (5) to apply the tension to a needle thread (T) and the thread tension regulation apparatus (30) disposed in parallel in a thread route of the needle thread (T). The machine is so constituted: that a switch lever (32) of the thread tension regulation apparatus (30) is rotated by the prescribed operation to switch between a tension application position to apply the tension to the needle thread (T) by making a pair of stitch balancing thread tension plates (31a, 31b) come close to each other to hold the needle thread (T) and a tension releasing position to release the tension to the needle thread (T) by making the pair of the stitch balancing thread tension plates (31a, 31b) separate from each other to release the needle thread (T) so that the switching between the application of the tension to the needle thread (T) by the stitch balancing thread tension apparatus (5) together with the thread tension regulation apparatus (30) and the application of the tension to the needle thread (T) by only the stitch balancing thread tension apparatus (5) is executed. Thus realize a sewing machine equipped with a thread tension regulation apparatus which facilitates the switching of the tension applied to a sewing machine thread.
Description
Technical field
The present invention relates to a kind of Sewing machines.
Background technology
In the past, the known wire-clamping device that following Sewing machines is arranged: by the sewing thread between this a pair of clamp dish, thus sewing thread is applied tension force by the clamping of a pair of clamp dish.
For example, on Sewing machines, when the cloth of making is thick, sewing thread is applied more intense tension force, in addition, when the cloth of making is thin, sewing thread is applied more weak tension force,, can on cloth, stably form good stitching so by wire-clamping device transformation line tension force.
And, known have a following wire-clamping device: on Sewing machines, height (upper-lower position) according to the presser feet of pushing cloth, detect the thickness of this cloth, wire-clamping device can automatically be adjusted the tension force that sewing thread is applied, and can be transformed to the line tension (for example, with reference to patent documentation 1) that is suitable for this fabric thickness.
In addition, also known have a following wire-clamping device: the drivers such as solenoid that wire-clamping device possessed of control Sewing machines, and the power of regulating a pair of clamp dish clamping sewing thread automatically, and automatically regulate the tension force that sewing thread is applied according to sewing condition.
[patent documentation 1] spy opens flat 8-71279 communique
But, under the situation of above-mentioned patent documentation 1, wire-clamping device must be assembled the various members that are used for passing on to the clamp dish height change of presser feet rightly in order according to the thickness of cloth sewing thread to be applied the tension force of regulation, and having produced needs the numerous and diverse operation or the problem of maintenance.
In addition, when the action of driver is controlled in the prescribed period of time conversion in making the way, cloth feed amount changes knifeedge because of the kind of cloth or the variation of thickness, so need the period of transformation line tension force and the control period of setting to change knifeedge, the situation of the tension force conversion when making occurred to carry out corresponding to each.In addition, produced the problem of the cost increase of wire-clamping device.
Summary of the invention
The object of the present invention is to provide a kind of Sewing machines that possesses the line tension regulator, on one side this line tension regulator makes the operator can grasp the varied in thickness of cloth etc., Yi Bian at transformation line tension force easily in period of hope.
In order to solve above problem, the Sewing machines of first invention possesses: take-up portion, and the knee-action interlock of itself and eedle and carry out knee-action is emitted sewing thread from the line supply source; Wire-clamping device, it is configured on the path of the described sewing thread of being emitted by described take-up portion, and described sewing thread is applied tension force; With the line tension regulator, itself and described wire-clamping device are located on the thread path of described sewing thread side by side, and this Sewing machines is characterised in that,
Described line tension regulator possesses: a pair of clamp dish, the described sewing thread of its clamping; Force application component, it makes the closely application of force of described a pair of clamp dish; Conversion rod, the one end can be supported on this Sewing machines rotationally, and moves between as upper/lower positions: as described in making a pair of clamp dish near and to as described in the sewing thread tension force that applies tension force apply the position and make as described in a pair of clamp dish separate and remove to as described in the tension force of the tension force that applies of sewing thread remove the position; With the bar maintaining part, it remains in described conversion rod respectively, and described tension force applies the position and described tension force is removed the position.
According to first invention, Sewing machines possesses with the wire-clamping device that sewing thread is applied tension force and is located at line tension regulator on the thread path of sewing thread side by side, by because of the mutual approaching a pair of clamp dish clamping sewing thread of force application component, the line tension regulator can apply tension force to sewing thread with wire-clamping device.
And, the line tension regulator of Sewing machines, can conversion rod be rotated, be converted in make a pair of clamp dish near and the tension force that sewing thread applies tension force is applied the position and a pair of clamp dish is separated and the tension force of removing the tension force that sewing thread is applied is removed the position, and the bar maintaining part can remain in this conversion rod respectively, and tension force applies the position and tension force is removed the position.
According to first invention, by making a pair of clamp dish approaching, and by this a pair of clamp dish clamping sewing thread, the line tension regulator can apply tension force to sewing thread thus, and can apply tension force to sewing thread with wire-clamping device.On the other hand, separate by making a pair of clamp dish, and this a pair of clamp dish release sewing thread, the line tension regulator can not apply tension force to sewing thread thus, only by wire-clamping device sewing thread is applied tension force.
Promptly, the line tension regulator that this Sewing machines possesses, operation by the operator, the clamping and the release of the sewing thread between a pair of clamp dish of conversion easily, and, conversion promptly at clamping sewing thread between a pair of clamp dish sewing thread is applied more intense tension force situation, and between a pair of clamp dish, discharge sewing thread and sewing thread applied the situation of more weak tension force.
Therefore, because on the Sewing machines that possesses this line tension regulator, conversion easily puts on the tension force of sewing thread, so by promptly carrying out adjustment, the conversion corresponding to the line tension of the fabric thickness of making, can form good stitching on cloth.
In addition, can conversion rod be rotated, be converted in make a pair of clamp dish near and the tension force that sewing thread applies tension force is applied the position and a pair of clamp dish is separated and the tension force of removing the tension force that sewing thread is applied is removed the position, and the bar maintaining part can remain in this conversion rod respectively, and tension force applies the position and tension force is removed the position.
Promptly, in making operation, grasp cloth simple operation simultaneously by the operator, the line tension regulator of Sewing machines is converted in the configuration of conversion rod in appropriate period of hope that tension force applies the position and tension force is removed the position, and keep by the bar maintaining part, the clamping and the release of the sewing thread between a pair of clamp dish of transformation line tension adjusting device easily thus, and, the clamping sewing thread and sewing thread is applied the situation of more intense tension force between a pair of clamp dish of conversion promptly, reach the situation that between a pair of clamp dish, discharges sewing thread and sewing thread is applied more weak tension force.
Especially, because the line tension regulator is the rotating operation by conversion rod, make the extremely simple and simple structure that a pair of clamp dish is approaching or separate, but also do not need the control of electronics, so can be with low-cost production.
Therefore, because in the Sewing machines that possesses this line tension regulator, conversion easily puts on the tension force of sewing thread, so by promptly carrying out adjustment, the conversion corresponding to the line tension of the fabric thickness of making, can form good stitching on cloth.
Description of drawings
Fig. 1 is the side view that expression possesses the Sewing machines of line tension regulator of the present invention, and the expression conversion rod is disposed at the state that tension force applies the position;
Fig. 2 is the enlarged drawing of the tension disk of expression line tension regulator, represents the close state of a pair of clamp dish;
Fig. 3 is the key diagram in the cross section of expression conversion rod, and the indication rod steady pin embeds the state of left side recess;
Fig. 4 is the side view that expression possesses the Sewing machines of line tension regulator of the present invention, and the expression conversion rod is disposed at the state that tension force is removed the position;
Fig. 5 is the enlarged drawing of the tension disk of expression line tension regulator, represents the state that a pair of clamp dish separates;
Fig. 6 is the key diagram in the cross section of expression conversion rod, and the indication rod steady pin embeds the state of right side recess;
Fig. 7 is that front view is blocked in the part of Sewing machines that expression possesses the line tension regulator of embodiments of the present invention 2, and the expression conversion rod is disposed at the state that tension force is removed the position;
Fig. 8 is that front view is blocked in the part of Sewing machines that expression possesses the line tension regulator of embodiments of the present invention 2, and the expression conversion rod is disposed at the state that tension force applies the position.
Among the figure: 1-Sewing machines, 2-Sewing machines transverse arm, 3-take-up portion, 4-the 1st wire-clamping device, 5-the 2nd wire-clamping device (wire-clamping device), 51-stringing spring, 6-guide member, 7-the 1st is twizzle fixedly, and 8-the 2nd is twizzle fixedly, 9-shank twizzle, 10-shank, 11-shank hanging wire portion, the 12-eedle, 30-line tension regulator, 31-tension disk, 31a, the a pair of clamp dish of 31b-, 31c-spring (force application component), 31d-adjusts screw, 32-conversion rod (clamp mapping device), 32a-one end, 32L-left side recess, 32R-right side recess, the 33-jut, 40-bar steady pin (bar maintaining part), 41-spring, 300-line tension regulator, 301-clamp axle, 302-conversion rod (clamp mapping device), 302a-one end, 302b-joint portion (bar maintaining part), the 303-exchanging shaft, the 303a-baffle ring, 304-helical spring, T-upper thread (sewing thread).
The specific embodiment
Below, the line tension regulator that present invention will be described in detail with reference to the accompanying and the embodiment of Sewing machines.
(embodiment 1)
As shown in Figure 1, on Sewing machines 1, be provided with the Sewing machines transverse arm 2 that forms hollow form.
Has taken in inside at Sewing machines transverse arm 2: needle bar drive device (omitting diagram), and it makes the lower side knee-action of shank 10 at Sewing machines transverse arm 2 based on the driving of the not shown motor of sewing machine that becomes drive source; Or take-up driving mechanism (omitting diagram) etc., it makes the upper side knee-action of take-up portion 3 at Sewing machines transverse arm 2.
In addition, be formed with through slot 21 on Sewing machines transverse arm 2, it is continuous along the above-below direction of this Sewing machines transverse arm 2 from traversing upper surface with respect to the side of the face 22 of the front of Sewing machines transverse arm 2.Particularly, through slot 21 forms, and take-up portion 3 can be along the mobile route knee-action of take-up portion 3.
In addition,, be provided with the 1st wire-clamping device 4, be provided with the 2nd wire-clamping device 5 in the bottom of same side on top with respect to the side of the face 22 of the front of Sewing machines transverse arm 2 on the surface of Sewing machines transverse arm 2.
In addition, on the surface of Sewing machines transverse arm 2, be provided with from the 2nd wire-clamping device 5 to the fixing twizzle 7 of the guide member 6 and the 1st of the guiding upper thread T of take-up portion 3.
In addition, on the surface of Sewing machines transverse arm 2, be provided with the 2nd fixing twizzle 8 and be located at the shank twizzle 9 of the 2a of jaw portion of Sewing machines transverse arm 2 to eedle 12 guiding upper thread T from take-up portion 3.
In addition, on the surface of Sewing machines transverse arm 2, between the 1st wire-clamping device 4 and the 2nd wire-clamping device 5, on the thread path of upper thread T, be provided with line tension regulator 30 to be set up in parallel in the mode of the upstream side of the 2nd wire-clamping device 5.
And, the upper thread T that utilizes take-up portion 3 to emit along the thread path of regulation as sewing thread from line supply source (omitting diagram), by fixing fixedly twizzle 8, the shank twizzle 9 of twizzle 7, take-up portion the 3, the 2nd of the 1st wire-clamping device 4, line tension regulator 30 (tension disk 31), the 2nd wire-clamping device 5, guide member the 6, the 1st, thread path along the surface of Sewing machines transverse arm 2, guided by the shank hanging wire portion 11 that is located on the shank 10, insert and lead in the pin hole of eedle 12.
Take-up portion 3 is approximate shaft-like members, and an end links with the take-up driving mechanism of being located in the Sewing machines transverse arm 2 (omit and illustrate), and the other end is made as from through slot 21 outstanding towards the outside, and is formed with the slotting logical portion 31 of the line of inserting logical upper thread T on this other end.
This take-up portion 3 makes the line of take-up portion 3 insert logical portion 31 knee-actions along with the driving based on the take-up driving mechanism (omitting diagram) of the driving of motor of sewing machine, makes knee-action interlock with shank 10 (eedle 12).
And take-up portion 3 descends by making line insert logical portion 31, emits upper thread T and carries to eedle 12 sides from line supply source (omitting diagram), and rise by making line insert logical portion 31, stretching downside at needle plate forms the upper thread T of coil by rotary shuttle mechanism, eliminates the line cover, and tension upper thread T forms stitching.
The 1st wire-clamping device 4 and the 2nd wire-clamping device 5 have a pair of clamp dish respectively, push the mutual clamp dish spring each other and the adjustment screw of the pressing force of regulating spring.
By upper thread T is passed between a pair of clamp dish of this wire-clamping device, upper thread T is by clamp dish clamping thus, and wire-clamping device applies tension force to the upper thread T that emits from the line supply source.
Have again, the line tension that upper thread T on the thread path of Sewing machines 1 is applied, mainly control by the spring pressure of regulating the 2nd wire-clamping device 5, the 1st wire-clamping device 4 applies line tension towards the disorder of the upper thread T of the 2nd wire-clamping device 5 or in order to adjust the remaining lengths of upper thread T when tangent line to upper thread T in order to prevent.
In addition, on the 2nd wire-clamping device 5, be provided with stringing spring 51, the tension force that it applies smaller tension force and finely tune upper thread T upper thread T.
On stringing spring 51, be hung with the upper thread T that has applied take-up portion 3 sides of tension force by the 2nd wire-clamping device 5, increase if act on the tension force of upper thread T, then stringing spring 51 is towards guide member 6 strains and the deflection of thread path take-up portion 3 sides.For example, rise when doing the action of pull-up upper thread T in take-up portion 3, increase if act on the tension force of upper thread T, then stringing spring 51 is to the 6 side deflections of guide member, if the tension force of upper thread T reduces, then stringing spring 51 turns back to initial position before the action because of its restoring force.
The leading section of guide member 6 promptly forms approximate L word shape towards eedle 12 sides towards the below, insert logical upper thread T and guide upper thread T in the inboard of this L word shape.
Have, guide member 6 is configured to again, and guides to direction away from take-up portion 3 with hanging on upper thread T on the stringing spring 51.By setting guide member 6, stringing spring 51 is moved rightly with such configuration.
The 1st fixing fixing twizzle 8 of twizzle 7 and the 2nd is bent to form respectively and is U word shape roughly, inserts logical upper thread T and guides upper thread T in the inboard of this U word shape.
The 1st fixedly twizzle 7 guiding insert upper thread T on the thread path of logical portion 31 towards the line of take-up portion 3 from guide member 6, the 2nd fixedly twizzle 8 guiding insert from the line of take-up portion 3 and lead to the upper thread T of portion 31 on the thread path of shank twizzle 9.
Shank twizzle 9 is provided in a side of the member of the roughly U word shape on the 2a of jaw portion of Sewing machines transverse arm 2, will be from take-up portion 3 via the 2nd fixing the twizzle 8 and upper thread T that is directed coming is directed to shank hanging wire portion 11.
Shank hanging wire portion 11 forms tubular and is installed in the lower end of shank 10, will be directed to the pin hole of eedle 12 by the upper thread T that 9 guiding of shank twizzle come.
As shown in Figure 1 and Figure 2, line tension regulator 30 possesses tension disk 31 and conversion rod 32, and described tension disk 31 possesses: a pair of clamp dish 31a, 31b; As the spring 31c of force application component, itself so that a pair of clamp dish mode close to each other apply and push; With adjustment screw 31d, the pressing force of its regulating spring 31c, described conversion rod 32 be as the clamp mapping device, a pair of clamp dish of conversion 31a, 31b near with separate.
Have again, break-through upper thread T between this a pair of clamp dish 31a, 31b, upper thread T is by a pair of clamp dish 31a, 31b clamping, and upper thread T is applied tension force by tension disk 31 thus.
Particularly, conversion rod 32 is displaced into rotationally as between the upper/lower positions: make a pair of clamp dish 31a, 31b approaching, the tension force that upper thread T is applied tension force applies the position thus; With a pair of clamp dish 31a, 31b are separated, remove the tension force of the tension force that upper thread T is applied thus and remove the position, when conversion rod 32 is disposed at tension force when applying the position, jut 33 withdraws between a pair of clamp dish 31a, 31b, when conversion rod 32 was disposed at tension force releasing position, jut 33 inserted between a pair of clamp dish 31a, the 31b.
In addition, as Fig. 1, shown in Figure 3, on conversion rod 32, be formed with corresponding to tension force apply the position left side recess 32L, and remove the right side recess 32R of position corresponding to tension force.
And, in the transverse arm hole 2b on the surface of the Sewing machines transverse arm 2 that is formed at Sewing machines 1, be equipped with bar steady pin 40 as the bar maintaining part, and towards the face side of Sewing machines transverse arm 2 spring 41 (with reference to Fig. 3) of cramp bar steady pin 40 flexibly, if this bar steady pin 40 embeds left side recess 32L, then conversion rod 32 remains and is disposed at tension force and applies the position, if bar steady pin 40 embeds right side recess 32R, then conversion rod 32 remains and is disposed at tension force releasing position.
Then, the operation to the line tension conversion on the line tension regulator 30 of Sewing machines 1 describes.
As Fig. 1, shown in Figure 3, embed left side recess 32L at bar steady pin 40, conversion rod 32 is disposed at tension force when applying the position, as shown in Figure 1 and Figure 2, the jut 33 of conversion rod 32 withdraws between a pair of clamp dish 31a, 31b, make a pair of clamp dish 31a, 31b approaching thus, upper thread T is clamped between a pair of clamp dish 31a, the 31b.
And on Sewing machines 1, upper thread T is applied more intense tension force by the 1st wire-clamping device 4, line tension regulator 30 (tension disk 31) and the 2nd wire-clamping device 5.
Promptly, when making thicker cloth by Sewing machines 1, the operator operates conversion rod 32 rotationally to counter clockwise direction, and the configuration of conversion rod 32 is transformed to tension force apply the position, thus can be upper thread T being applied the mode conversion tension force of stronger tension force, thus good stitching on cloth, formed.
In addition, as Fig. 4, shown in Figure 6, embed right side recess 32R at bar steady pin 40, when conversion rod 32 is disposed at tension force releasing position, as Fig. 4, shown in Figure 5, the jut 33 of conversion rod 32 inserts between a pair of clamp dish 31a, the 31b, and a pair of clamp dish 31a, 31b are separated, and upper thread T is released between a pair of clamp dish 31a, 31b.
And on Sewing machines 1, upper thread T is applied more weak tension force by the 1st wire-clamping device 4 and the 2nd wire-clamping device 5.
Promptly, when making relatively thinner cloth by Sewing machines 1, the operator operates conversion rod 32 rotationally to clockwise direction, and the configuration of conversion rod 32 is transformed to tension force remove the position, thus can be upper thread T being applied the mode conversion tension force of more weak tension force, thus good stitching on cloth, formed.
So, line tension regulator 30 is transformed to the configuration of conversion rod 32 by the simple operation of operator that tension force applies the position and tension force is removed the position, clamping and the release of the upper thread T between a pair of clamp dish 31a, the 31b of conversion tension disk 31 easily thus, and, conversion promptly at clamping upper thread T between a pair of clamp dish 31a, the 31b upper thread T is applied more intense tension force situation, and between a pair of clamp dish 31a, 31b, discharge upper thread T and upper thread T applied the situation of more weak tension force.
For example, when fabric thickness changed in the way of making, the operator by map function conversion rod 32, can carry out the tension force conversion in suitable period when having grasped the variation of thickness.
Especially, because line tension regulator 30 is the rotating operations by conversion rod 32, make the extremely simple and simple structure that a pair of clamp dish 31a, 31b are approaching or separate, but also do not need the control of electronics, can be so also have with the so-called advantage of low-cost production.
And, because on the Sewing machines 1 that possesses this line tension regulator 30, the tension force that applies of transfer pair upper thread T easily is so by promptly carrying out adjustment, the conversion corresponding to the line tension of the fabric thickness of making, can form good stitching on cloth.
Especially when the section portion of tailoring cloth, the operator can moment ground transformation line tension force, thereby can form appropriate stitching.
(embodiment 2)
Then, the embodiment 2 to line tension regulator of the present invention and Sewing machines describes.Have again,, and only different parts is described for the part mark prosign identical with embodiment 1.
Fig. 7 is that the face 22 as the front of Sewing machines transverse arm 2 is blocked in the part, and part is omitted the front view that take-up portion or twizzle wait the Sewing machines 1a that represents to possess line tension regulator 300 of the present invention.
As shown in Figure 7, the surface of the Sewing machines transverse arm 2 of Sewing machines 1a possesses the 1st wire-clamping device 4 and the 2nd wire-clamping device 5.
In addition, on Sewing machines 1a, between the 1st wire-clamping device 4 and the 2nd wire-clamping device 5, on the thread path of upper thread T to be set up in parallel the tension disk 31 that is provided with line tension regulator 300 in the mode of the upstream side of the 2nd wire-clamping device 5.
In addition, on the Sewing machines 1a (Sewing machines transverse arm 2), with the side of side thereof opposite side that is equipped with tension disk 31 (the 1st wire-clamping device the 4, the 2nd wire-clamping device 5) on, one end 302a of the conversion rod 302 of axle wired tension adjusting device 300, it can rotate on the surface of Sewing machines transverse arm 2.
On the joint portion 302b as the bar maintaining part as the conversion rod 302 of clamp mapping device, axle has the exchanging shaft 303 that extends towards tension disk 31, possesses helical spring 304 being formed between baffle ring 303a on this exchanging shaft 303 and the Sewing machines transverse arm 2.
And, as shown in Figure 7, if it is such to mention conversion rod 302 upward, conversion rod 302 is counterclockwise rotated in figure, make exchanging shaft 303 to tension disk 31 side shiftings thus, then helical spring 304 ejects exchanging shaft 303 via baffle ring 303a, and exchanging shaft 303 ejects clamp axle 301 to the face side of Sewing machines transverse arm 2.Owing to be ejected the clamp axle 301 of the face side of Sewing machines transverse arm 2 clamp dish 31b is separated from Sewing machines transverse arm 2 sides, institute is so that a pair of clamp dish 31a, 31b separate, and upper thread T is released between a pair of clamp dish 31a, 31b.
And on Sewing machines 1a, upper thread T is applied more weak tension force by the 1st wire-clamping device 4 and the 2nd wire-clamping device 5.
Promptly, when making relatively thinner cloth by Sewing machines 1a, the operator mentions conversion rod 302 upward and operates like that, and the configuration of conversion rod 302 is transformed to tension force remove the position, thus can be upper thread T being applied the mode conversion tension force of more weak tension force, thus good stitching on cloth, formed.
In addition, as shown in Figure 8, if the conversion rod 302 of leaving behind downwards is such, conversion rod 302 clockwise direction in figure is rotated, exchanging shaft 303 is moved to the direction away from tension disk 31 sides, and then helical spring 304 shrinks, and the clamp axle 301 that contacts with exchanging shaft 303 is to exchanging shaft 303 side shiftings.Because the clamp axle 301 to exchanging shaft 303 side shiftings pulls to Sewing machines transverse arm 2 sides with clamp dish 31b, institute is so that a pair of clamp dish 31a, 31b are approaching, and upper thread T is clamped between a pair of clamp dish 31a, the 31b.
And on Sewing machines 1a, upper thread T is applied more intense tension force by the 1st wire-clamping device 4, line tension regulator 300 (tension disk 31) and the 2nd wire-clamping device 5.
Promptly, when making thicker cloth by Sewing machines 1a, operator's conversion rod 302 of leaving behind is downwards operated like that, and the configuration of conversion rod 302 is transformed to tension force apply the position, thus can be upper thread T being applied the mode conversion tension force of stronger tension force, thus good stitching on cloth, formed.
Have, the joint portion 302b of conversion rod 302 has not shown pallet (latch) mechanism etc. again, conversion rod 302 or exchanging shaft 303 can be remained on respectively that tension force is removed the position and tension force applies the position.
Even if the line tension regulator 300 of this structure, by the simple operation of operator, the configuration of conversion rod 302 is converted in tension force applies the position and tension force is removed the position, also clamping and the release of the upper thread T between a pair of clamp dish 31a, the 31b of conversion tension disk 31 easily thus, and, conversion promptly at clamping upper thread T between a pair of clamp dish 31a, the 31b upper thread T is applied more intense tension force situation, and between a pair of clamp dish 31a, 31b, discharge upper thread T and upper thread T applied the situation of more weak tension force.
Have again, in the above embodiment, be that conversion rod 32 or conversion rod 302 are configured in the operator on hand, the operator carries out manual operation to these conversion rods, but the present invention is not limited thereto, for example, also the other end of conversion rod can be configured in operator's pin limit, the operator operates this conversion rod with knee or tiptoe.
In addition, in the above embodiment, be by operator's manual operation conversion rod 32 or conversion rod 302, the configuration of these conversion rods is converted in tension force is removed the position and tension force applies the position, but the present invention is not limited thereto, for example, also can possess the cylinder or the solenoid that move along with the ON/OFF of the switch of operator operation, the configuration of conversion rod is converted in that tension force is removed the position and tension force applies the position based on this cylinder or solenoidal action.
In addition, in addition,, also can suitably change certainly for concrete detail structure.
Claims (1)
1. Sewing machines possesses:
Take-up portion, the knee-action interlock of itself and eedle and carry out knee-action is emitted sewing thread from the line supply source;
Wire-clamping device, it is configured on the path of the described sewing thread of being emitted by described take-up portion, and described sewing thread is applied tension force; With
The line tension regulator, itself and described wire-clamping device are located on the thread path of described sewing thread side by side, and this Sewing machines is characterised in that,
Described line tension regulator possesses:
A pair of clamp dish, the described sewing thread of its clamping;
Force application component, it makes the closely application of force of described a pair of clamp dish;
Conversion rod, the one end can be supported on this Sewing machines rotationally, and moves between as upper/lower positions: as described in making a pair of clamp dish near and to as described in the sewing thread tension force that applies tension force apply the position and make as described in a pair of clamp dish separate and remove to as described in the tension force of the tension force that applies of sewing thread remove the position; With
The bar maintaining part, it remains in described conversion rod respectively, and described tension force applies the position and described tension force is removed the position.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005265082 | 2005-09-13 | ||
| JP2005265082A JP2007075250A (en) | 2005-09-13 | 2005-09-13 | Sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1932117A true CN1932117A (en) | 2007-03-21 |
Family
ID=37878141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610151723 Pending CN1932117A (en) | 2005-09-13 | 2006-09-08 | Sewing machine |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2007075250A (en) |
| CN (1) | CN1932117A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101718026B (en) * | 2008-10-09 | 2013-03-06 | Juki株式会社 | Suture adjusting device of sewing machine |
| CN106087287A (en) * | 2016-08-30 | 2016-11-09 | 杰克缝纫机股份有限公司 | A kind of sewing machine Yarn taking-up mechanism |
| CN111643134A (en) * | 2020-05-28 | 2020-09-11 | 李九智 | Continuous suturing device for intestinal bladder replacement |
-
2005
- 2005-09-13 JP JP2005265082A patent/JP2007075250A/en active Pending
-
2006
- 2006-09-08 CN CN 200610151723 patent/CN1932117A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101718026B (en) * | 2008-10-09 | 2013-03-06 | Juki株式会社 | Suture adjusting device of sewing machine |
| CN106087287A (en) * | 2016-08-30 | 2016-11-09 | 杰克缝纫机股份有限公司 | A kind of sewing machine Yarn taking-up mechanism |
| CN106087287B (en) * | 2016-08-30 | 2022-02-22 | 杰克科技股份有限公司 | Thread take-up mechanism of sewing machine |
| CN111643134A (en) * | 2020-05-28 | 2020-09-11 | 李九智 | Continuous suturing device for intestinal bladder replacement |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2007075250A (en) | 2007-03-29 |
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