CN1978726A - Thread tension device for sewing machine - Google Patents
Thread tension device for sewing machine Download PDFInfo
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- CN1978726A CN1978726A CN 200510127034 CN200510127034A CN1978726A CN 1978726 A CN1978726 A CN 1978726A CN 200510127034 CN200510127034 CN 200510127034 CN 200510127034 A CN200510127034 A CN 200510127034A CN 1978726 A CN1978726 A CN 1978726A
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Abstract
The invention relates to sewing machine trapper. Front open end edge of the shell on regulating shaft is used as tension indicating edge. Line elasticity dial Cirumferential is set many display marks which are formed by center standard mark, the first right side mark set at the place which drifts certain distance from the center standard mark to axial direction forward, and the first left side mark set at the place which drifts certain distance from the center standard mark to axial direction rearward.
Description
Technical field
The present invention relates to wire-clamping device that the reaching the standard grade of Sewing machines, bottom line, decorative thread etc. are regulated, relate to easily to carry out the wire-clamping device of the Sewing machines that the rotary manipulation by line degree of tightness dial regulates the line tension between clamp in more detail.
Technical background
In the past, there is following apparatus in wire-clamping device as this Sewing machines, for example, be fixed at base end part on the regulating shaft (thread tension stud) on the frame of Sewing machines, insert the logical compression helical spring that supports a pair of clamp and push the cone shape of this clamp, simultaneously, the negative thread that the center of online degree of tightness dial (operation knob) will be set is screwed to from above-mentioned compression helical spring on the pin thread of the leading section of the outstanding above-mentioned regulating shaft in axial the place ahead.Like this, possess the discoideus display unit that has the scale numeral on the online degree of tightness dial, have the cap assembly and the train of reduction gears that make the display window that one of this scale numeral shows, when adjusting line degree of tightness pressure, by making above-mentioned line degree of tightness dial rotation, it rotatablely moves under the state that utilizes above-mentioned train of reduction gears to slow down, be passed to above-mentioned display unit, this display unit rotation, the scale numeral that will show on this display unit is set in desirable numeral.Meanwhile, the wire clamp between above-mentioned clamp is held pressure and is adjusted to desirable state (with reference to patent documentation 1).
[patent documentation 1] spy opens flat 9-47593 communique
But in the wire-clamping device of above-mentioned Sewing machines, because display unit or the cap assembly that has the number of division word is installed on the online degree of tightness dial, there is the problem that causes parts kind and parts assembling increase in man-hour in the complexity so the structure of indication mechanism becomes.
Purpose of the present invention is exactly in order to address the above problem a little, and a kind of display unit omissionizations, indication mechanism simplification are provided, the wire-clamping device of the Sewing machines seeking to reduce cost.
Summary of the invention
The wire-clamping device of the Sewing machines of relevant first technical scheme of the present invention is on regulating shaft, insert the logical a pair of clamp that supports from the base end part of this axial rearward direction successively to the leading section in axial the place ahead, the housing that bottom tube-like is arranged, with the compression helical spring that pushes above-mentioned clamp by this housing, and above-mentioned housing is the spline state with its bottom with respect to above-mentioned regulating shaft and can be being inserted logical the support with moving axially, simultaneously, the negative thread that is provided with in the heart in the online degree of tightness dial with screw togather from the pin thread of above-mentioned compression helical spring to the leading section of the outstanding above-mentioned regulating shaft in axial the place ahead, rotary manipulation by above-mentioned line degree of tightness dial, can regulate the clamp pressure between above-mentioned clamp, it is characterized in that, above-mentioned housing, indicate edge with the front openings ora terminalis of above-mentioned regulating shaft quadrature as line tension, on the periphery of above-mentioned line degree of tightness dial, separate predetermined distance at circumferencial direction and be set up in parallel a plurality of show tags, a plurality of show tags are made of following three marks at least, with the consistent central standard mark of above-mentioned line tension indication edge, be set up in parallel the first right side mark and the first left side mark respectively in the clockwise direction side and the counter clockwise direction side of this standard mark, the above-mentioned first right side mark is set at from the position of above-mentioned standard mark and only is offset owing to above-mentioned line degree of tightness dial rotation regulation revolution makes the position of this line degree of tightness dial to the distance part of axial advancement to axial the place ahead, and the above-mentioned first left side mark is set at the position that only is offset above-mentioned distance part from the position of above-mentioned standard mark to axial rearward direction.
In this case, can be as the invention of relevant second technical scheme, right side at the above-mentioned first right side mark, the second right side mark is set at only to the above-mentioned distance of axial the place ahead skew position partly, in the left side of the above-mentioned first left side mark, the second left side mark is set at from the position of the above-mentioned first left side mark only above-mentioned apart from position partly to the axial rearward direction skew.
The wire-clamping device of the Sewing machines of relevant first technical scheme is that the user with the right-handed person is an object, relative therewith, the wire-clamping device of the Sewing machines of the invention of relevant the 3rd technical scheme is that the user with left-handed person is the formation of object, therefore, the above-mentioned first right side mark is set at from the position of above-mentioned standard mark and only makes the position of this line degree of tightness dial to the distance part of axial advancement to the axial rearward direction skew owing to above-mentioned line degree of tightness dial rotates the regulation revolution, the above-mentioned first left side mark is set at from the position of above-mentioned standard mark only above-mentioned apart from position partly to the skew of axial the place ahead, and formation in addition is identical with the formation of the wire-clamping device of the Sewing machines of relevant first technical scheme.
In this case, can be as the invention of relevant the 4th technical scheme, right side at the above-mentioned first right side mark, the second right side mark is set at from the position of the above-mentioned first right side mark only above-mentioned apart from position partly to the axial rearward direction skew, in the left side of the above-mentioned first left side mark, the second left side mark is set at from the position of the above-mentioned first left side mark only above-mentioned apart from position partly to the skew of axial the place ahead.
Above-mentioned show tags can form point-like as the described invention of the 5th technical scheme.
In addition, above-mentioned show tags can form the linearity that extends as the crow flies towards the place ahead of line degree of tightness dial from initial point as the described invention of the 6th technical scheme.
In this case, the show tags of above-mentioned linearity can or as the described invention of the 7th technical scheme, form the stria shape, or as the described invention of the 8th technical scheme, form thin raised line shape.
Have again, as other appropriate mode, wire-clamping device based on Sewing machines of the present invention can be as the described invention of the 9th technical scheme, inside at above-mentioned line degree of tightness dial, the inner core that has above-mentioned negative thread in being formed on week, on the rear end face of this inner core, form the groove that the cross section is a V word shape radially to radial direction, between the inner core of the leading section of the above-mentioned compression helical spring of the cone shape that is formed the narrow shape in the place ahead on the above-mentioned regulating shaft and above-mentioned line degree of tightness dial, spline shape and can insert logical supporting bead with moving axially, front end face at this packing ring, to radial direction the cross section that freely engages discretely engagement with the groove of above-mentioned inner core being set radially is the groove of V word shape, from the rearward outstanding protuberance that is provided with of the rear end face of above-mentioned packing ring, this protuberance is entrenched in interior week at the leading section of above-mentioned compression helical spring.
The effect of invention
The wire-clamping device of the Sewing machines of using according to the right-handed person user of the invention of relevant first technical scheme, indicate under the consistent situation of edge in the central standard mark and the line tension of housing, line degree of tightness dial is in the wire clamp that clamp is asked and holds pressure and be set on the anglec of rotation of normal place of standard state, but under this standard state, when strengthening this line degree of tightness because the state of line is too weak, with the line degree of tightness dial regulation revolution that only turns clockwise, consistent until the first right side mark with the line tension indication edge of housing, online degree of tightness is too strong, when weakening this line degree of tightness, line degree of tightness dial only is rotated counterclockwise the regulation revolution, consistent until the first left side mark with the line tension indication edge of housing.
The Sewing machines wire-clamping device of using according to the left-handed person user of the invention of relevant the 3rd technical scheme, indicate under the consistent situation of edge in the central standard mark and the line tension of housing, line degree of tightness dial is in to be held pressure with the wire clamp between clamp and is set on the anglec of rotation of normal place of standard state, but under this standard state, when strengthening this line degree of tightness because the degree of tightness of line is too weak, only be rotated counterclockwise the regulation revolution, consistent until the first left side mark with the line tension indication edge of housing, online degree of tightness is too strong, when weakening this line degree of tightness, with the line degree of tightness dial regulation revolution that only turns clockwise, consistent with the line tension indication edge of housing until the first right side mark.
The front openings ora terminalis of the regulating shaft quadrature of utilization and housing, be line tension indication edge, in addition, because by a plurality of show tags being provided with the periphery of online degree of tightness dial, line degree of tightness dial itself is also used as display unit, so can omit the display unit beyond the line degree of tightness dial, the simplicity of seeking indication mechanism.
According to the invention of relevant second, four technical schemes, can only carry out the fine adjustment of the line of the part that the second right side mark and the second left side mark increased.
As the described invention of the 6th, seven, eight technical schemes,, this show tags can be used for the anti-skidding function of finger of catching line degree of tightness dial by show tags being formed stria shape or the raised line shape that extends as the crow flies to the place ahead of line degree of tightness dial.
As the described invention of the 9th technical scheme, interleave logical supporting bead by the leading section of the compression helical spring on regulating shaft and the inner core of line degree of tightness dial, on the rear end face of the inner core of the inside that is formed at line degree of tightness dial, at the groove that radially forms cross section V word shape, in addition, the groove that can freely engage the cross section V word shape that breaks away from the ground engagement with the groove of above-mentioned inner core is set on the front end face of packing ring, can prevent because the vibration of Sewing machines, line degree of tightness dial inadvertently rotates, can guarantee the halted state of line degree of tightness dial on desirable rotary angle position, in addition, by being entrenched in interior week at the leading section of compression helical spring from the rearward outstanding protuberance that is provided with of the rear end face of packing ring, can be with respect to regulating shaft, the state that coincide with the heart supports compression helical spring, can make the effect of compression helical spring practical.
Description of drawings
Fig. 1 is the side view of wire-clamping device of the Sewing machines of expression one embodiment of the present of invention.
Fig. 2 is the front view of wire-clamping device of the Sewing machines of Fig. 1.
Fig. 3 is the exploded perspective view of wire-clamping device of the Sewing machines of Fig. 1.
Fig. 4 is the A-A line cutaway view in Fig. 2.
Fig. 5 is the B-B line cutaway view in Fig. 2.
Fig. 6 is the vertical view of the mate of the inner core of housing of wire-clamping device of Sewing machines of presentation graphs 1 and packing ring.
Fig. 7 is the side view of line degree of tightness dial of wire-clamping device of the Sewing machines of other embodiment of expression.
Fig. 8 is the expression side view of the line degree of tightness dial of the wire-clamping device of the Sewing machines of other embodiment in addition.
The specific embodiment
With reference to the accompanying drawings, suitable embodiment of the present invention is described.Fig. 1 is the side view of wire-clamping device of the Sewing machines of expression one embodiment of the present of invention, Fig. 2 is the front view of wire-clamping device of the Sewing machines of Fig. 1, Fig. 3 is the exploded perspective view of wire-clamping device of the Sewing machines of Fig. 1, Fig. 4 is the A-A line cutaway view in Fig. 2, Fig. 5 is the B-B line cutaway view in Fig. 2, and Fig. 6 is the vertical view of the mate of the inner core of housing of wire-clamping device of Sewing machines of presentation graphs 1 and packing ring.
In Fig. 1-Fig. 4, the base end part of the axial rearward direction of regulating shaft 2 is screwed on the frame 1 that is fixed on Sewing machines.On this regulating shaft 2, form grooving 3 from the leading section in its axial the place ahead towards the base end part of axial rearward direction, on its outer peripheral face, form pin thread (right-hand thread) 4 simultaneously.On regulating shaft 2, according to order, insert logical reaching the standard grade, roll off the production line or the line of decorative thread etc. (not shown go out) of using when supporting clamping and making respectively from its base end part forward end the loose fit shape, give a pair of clamp 5 of this line resistance; The clamp thrust piece 6 that contacts with this clamp 5; Bottom 7a contacts with this clamp thrust piece 6 and is that the bottomless drum shape shape is arranged, the housing 7 of the open shape in the place ahead; Be accommodated in the inside of this housing 7, the compression helical spring 8 of the cone shape that the rearward end 8a of big footpath side contacts with the inner face of bottom 7a; The resin system or the metal packing ring 9 that contact with the leading section 8b of the path side of this compression helical spring 8.In addition, from the leading section 8b of compression helical spring 8 forwards on the pin thread 4 of the leading section of outstanding regulating shaft 2, screwing togather the negative thread 11 at the center that online degree of tightness dial 10 is set, this line degree of tightness dial 10 is formed the narrow frustoconical shape in the place ahead.
As Fig. 4, shown in Figure 5, housing 7 is by being erected at dog link 13 on the axis hole 12 of the central authorities that are arranged at bottom 7a integratedly in diametric(al), this dog link 13 is entrenched on the grooving 3 of regulating shaft 2, thereby with respect to regulating shaft 2, at the spline state and can inserted logical the support with moving axially.Packing ring 9 is arranged on interior week of the axis hole 14 of the central authorities that are located at this packing ring 9 with the prominent bar 15 relative shapes of spline ground, by the prominent bar 15 of this spline is entrenched on the grooving 3 of regulating shaft 2, with respect to regulating shaft 2, at the spline state and can lead to support being inserted with moving axially.
As Fig. 4, shown in Figure 5, line degree of tightness dial 10 its rear open ends are inserted into the inside of the front openings end of housing 7.The inside of online degree of tightness dial 10, the inner core 16 that has above-mentioned negative thread 11 in forming week, as shown in Figure 6, on the rear end face of this inner core 16, form the groove 17 of cross section V word shape radially to radial direction, in addition, packing ring 9 is provided with the groove 18 that can freely engage the cross section V word shape that breaks away from the ground engagement with the groove 17 of above-mentioned inner core 16 radially at its front end face to radial direction.The groove 17 of the cross section V word shape of the inner core 16 by making line degree of tightness dial 10 engages with the groove 18 of the cross section V word shape of packing ring 9, can prevent principal vertical line degree of tightness dial 10 because the vibration of Sewing machines and inadvertently rotating.In addition, packing ring 9 is outstanding towards the rear from its rear end to be provided with protuberance 19, on the leading section 8b of compression helical spring 8, this protuberance 19 is entrenched in interior week.In view of the above, can be with respect to regulating shaft 2, the state that coincide with the heart supports compression helical spring 8, can make the effect of compression spring 8 practical.
As Fig. 1, shown in Figure 3, the front openings ora terminalis of housing 7 is formed and regulating shaft 2 quadratures, as line tension indication edge 7b.In addition, on the periphery of online degree of tightness dial 10,, separate predetermined distance and be set up in parallel a plurality of show tags 20 at circumferencial direction.A plurality of show tags 20 are made of three marks at least, promptly, when online degree of tightness dial 10 is in clamp pressure with 5,5 of clamps and is set in the anglec of rotation of normal place of standard state, the central standard mark 20a consistent and be configured in the clockwise direction side of this standard mark 20a respectively side by side and the counterclockwise first right side mark 20b and the first left side mark 20c of side with line tension indication edge 7b.
As Fig. 1, the first right side mark 20b is set at from the position of standard mark 20a and only is offset owing to line degree of tightness dial 10 rotation regulation revolutions make the position apart from t part of this line degree of tightness dial 10 to axial advancement to axial the place ahead, and the first left side mark 20c is set at from the position of standard mark 20a only above-mentioned apart from t position partly to the axial rearward direction skew.Owing to line degree of tightness dial 10 rotation regulation revolutions make this line degree of tightness dial 10 apart from t be to axial advancement, for example, at the regulation revolution that makes line degree of tightness dial 10 is two circles, making the spacing P of negative thread 11 of pin thread 4, the line degree of tightness dial 10 of regulating shaft 2 is under the situation of 0.635mm, for 1.27mm (=2p).
In illustrated example, right side at the first right side mark 20b, the second right side mark 20d is set at from the position of the first right side mark 20b only above-mentioned apart from t position partly to the skew of axial the place ahead, in the left side of the first left side mark 20c, the second left side mark 20e is set at from the position of the first left side mark 20c only above-mentioned apart from t position partly to the axial rearward direction skew.
The show tags 20a-20e of linearity group is that a plurality of positions (being three positions in the illustrated example) of the circumferencial direction of online degree of tightness dial 10 separate predetermined distance and set side by side as shown in Figure 2.In view of the above,, also see show tags 20a-20e easily, in addition, can bring into play the antiskid function of the finger of catching line degree of tightness dial 10 fully even line degree of tightness dial 10 is in the anglec of rotation arbitrarily, very favourable.
Then, the use main points to the wire-clamping device of the Sewing machines of above-mentioned formation describe.
When making, make and reach the standard grade, roll off the production line or the line of decorative thread etc. (not shown go out) is clamped in 5,5 of 1 pair of clamps, give this line suitable resistance.Be set in the anglec of rotation on the normal place of line degree of tightness dial 10 of standard state the wire clamp of 5,5 of clamps being held pressure, as shown in Figure 1, the standard mark 20a of central authorities indicates edge 7b consistent with the line tension of housing 7.Because the line degree of tightness changes because of the thickness of cloth or the rugosity or the kind of line, so this moment 10 rotations of line degree of tightness dial are regulated rightly.In this case, when right-handed person user will strengthen the degree of tightness of this line because the degree of tightness of line is too weak, to (compressing the direction of compression helical spring 8) clockwise, line degree of tightness dial 10 is only rotated the revolution (for example two circles) of regulation, consistent until the first right side mark 20b with the line tension indication edge 7b of housing 7, when online degree of tightness will weaken the degree of tightness of this line too by force, to counterclockwise (direction of the compression helical spring 8 that relaxes), line degree of tightness dial 10 is only rotated the revolution (for example two circles) of regulation, consistent until the first left side mark 20c with the line tension indication edge 7b of housing 7.In view of the above, can regulate the degree of tightness of line rightly.
In illustrated example, right side at the first right side mark 20b, the second right side mark 20d is set at from the position of the first right side mark 20b only above-mentioned apart from t position partly to the skew of axial the place ahead, in addition, in the left side of the first left side mark 20c, the second left side mark 20e is set at from the position of the first left side mark 20c only above-mentioned apart from t position partly to the axial rearward direction skew.So, indicate under the consistent state of edge 7b with the line tension of housing 7 at the first right side mark 20b, in the time of a little less than the degree of tightness of line remained unchanged, the line degree of tightness that turns clockwise dial 10, consistent until the second right side mark 20d with the line tension indication edge 7b of housing 7, under the consistent state of the line tension indication edge 7b of the first left side mark 20c and housing 7, the degree of tightness of line remained unchanged when strong, was rotated counterclockwise until the second left side mark 20e and indicated edge 7b consistent with the line tension of housing 7.In view of the above, can carry out the fine adjustment of line.
In the above-described embodiments, be that user with the right-handed person is an object, the user with left-handed person is under the situation of object, as shown in Figure 8, the first right side mark 20b is set at from the position of standard mark 20a and only makes the position apart from t part of this line degree of tightness dial 10 to axial advancement to the axial rearward direction skew owing to line degree of tightness dial 10 rotates the regulation revolutions, and the first left side mark 20c is set at from the position of standard mark 20a only above-mentioned apart from t position partly to the skew of axial the place ahead.In this case, also will be as required, right side at the first right side mark 20b, the second right side mark 20d is set at from the position of the first right side mark 20b only above-mentioned apart from t position partly to the axial rearward direction skew, in addition, in the left side of the first left side mark 20c, the second left side mark 20e is set at from the position of the first left side mark 20c only above-mentioned apart from t position partly to the skew of axial the place ahead.Formation in addition is identical formation with the situation of the wire-clamping device of the foregoing description.
In the wire-clamping device of the Sewing machines that constitutes like this, when the user of left-handed person will strengthen the degree of tightness of this line because the degree of tightness of line is too weak, to the revolution that only rotates regulation counterclockwise, consistent until the first left side mark 20c or the second left side mark 20e with the line tension indication edge 7b of housing 7, when online degree of tightness will weaken the degree of tightness of this line too by force, to the revolution that clockwise line degree of tightness dial 10 is only rotated regulation, consistent with the line tension indication edge 7b of housing 7 until the first right side mark 20b or the second right side mark 20d, left-handed person user's ease of use is also good.
Claims (9)
1. the wire-clamping device of a Sewing machines, this device is on regulating shaft, insert the logical a pair of clamp that supports from the base end part of this axial rearward direction successively to the leading section in axial the place ahead, the housing that bottom tube-like is arranged, with the compression helical spring that pushes above-mentioned clamp by this housing, and above-mentioned housing is the spline state with its bottom with respect to above-mentioned regulating shaft and can be being inserted logical the support with moving axially, simultaneously, the negative thread that is provided with in the heart in the online degree of tightness dial with screw togather from the pin thread of above-mentioned compression helical spring to the leading section of the outstanding above-mentioned regulating shaft in axial the place ahead, rotary manipulation by above-mentioned line degree of tightness dial, can regulate the clamp pressure between above-mentioned clamp, it is characterized in that
Above-mentioned housing, indicate edge with the front openings ora terminalis of above-mentioned regulating shaft quadrature as line tension,
On the periphery of above-mentioned line degree of tightness dial, separate predetermined distance at circumferencial direction and be set up in parallel a plurality of show tags,
A plurality of show tags are made of following three marks at least, the central standard mark consistent, are set up in parallel at the clockwise direction side of this standard mark and the counterclockwise first right side mark and the first left side mark of side respectively with above-mentioned line tension indication edge,
The above-mentioned first right side mark is set at from the position of above-mentioned standard mark and only is offset owing to above-mentioned line degree of tightness dial rotation regulation revolution makes the position of this line degree of tightness dial to the distance part of axial advancement to axial the place ahead, and the above-mentioned first left side mark is set at the position that only is offset above-mentioned distance part from the position of above-mentioned standard mark to axial rearward direction.
2. the wire-clamping device of Sewing machines as claimed in claim 1, it is characterized in that, more right side at the above-mentioned first right side mark, the second right side mark is set at from the position of the above-mentioned first right side mark only above-mentioned apart from position partly to the skew of axial the place ahead, in the more left side of the above-mentioned first left side mark, the second left side mark is set at from the position of the above-mentioned first left side mark only above-mentioned apart from position partly to the axial rearward direction skew.
3. the wire-clamping device of a Sewing machines, this device is on regulating shaft, insert the logical a pair of clamp that supports from the base end part of this axial rearward direction successively to the leading section in axial the place ahead, the housing that bottom tube-like is arranged, with the compression helical spring that pushes above-mentioned clamp by this housing, and above-mentioned housing is the spline state with its bottom with respect to above-mentioned regulating shaft and can be being inserted logical the support with moving axially, simultaneously, the negative thread that is provided with in the heart in the online degree of tightness dial with screw togather from the pin thread of above-mentioned compression helical spring to the leading section of the outstanding above-mentioned regulating shaft in axial the place ahead, rotary manipulation by above-mentioned line degree of tightness dial, can regulate the clamp pressure between above-mentioned clamp, it is characterized in that
Above-mentioned housing, indicate edge with the front openings ora terminalis of above-mentioned regulating shaft quadrature as line tension,
On the periphery of above-mentioned line degree of tightness dial, separate predetermined distance at circumferencial direction and be set up in parallel a plurality of show tags,
A plurality of show tags are made of following three marks at least, the central standard mark consistent, are set up in parallel at the clockwise direction side of this standard mark and the counterclockwise first right side mark and the first left side mark of side respectively with above-mentioned line tension indication edge,
The above-mentioned first right side mark is set at from the position of above-mentioned standard mark and only makes the position of this line degree of tightness dial to the distance part of axial advancement to the axial rearward direction skew owing to above-mentioned line degree of tightness dial rotates the regulation revolution, and the above-mentioned first left side mark is set at from the position of above-mentioned standard mark and only is offset above-mentioned distance position partly to axial the place ahead.
4. the wire-clamping device of Sewing machines as claimed in claim 3, it is characterized in that, more right side at the above-mentioned first right side mark, the second right side mark is set at from the position of the above-mentioned first right side mark only above-mentioned apart from position partly to the axial rearward direction skew, in the more left side of the above-mentioned first left side mark, the second left side mark is set at from the position of the above-mentioned first left side mark only above-mentioned apart from position partly to the skew of axial the place ahead.
5. as the wire-clamping device of each the described Sewing machines in the claim 1 to 4, it is characterized in that above-mentioned show tags is formed point-like.
6. as the wire-clamping device of each the described Sewing machines in the claim 1 to 4, it is characterized in that above-mentioned show tags is formed the linearity that extends as the crow flies towards the place ahead of above-mentioned line degree of tightness dial from initial point.
7. the wire-clamping device of Sewing machines as claimed in claim 6 is characterized in that, the show tags of above-mentioned linearity is formed the stria shape.
8. the wire-clamping device of Sewing machines as claimed in claim 6 is characterized in that, the show tags of above-mentioned linearity is formed thin raised line shape.
9. as the wire-clamping device of claim 1 or 3 described Sewing machiness, it is characterized in that, inside at above-mentioned line degree of tightness dial, the inner core that has above-mentioned negative thread in being formed on week, on the rear end face of this inner core, form the groove that the cross section is a V word shape radially to radial direction, between the inner core of the leading section of the above-mentioned compression helical spring of the cone shape that is formed the narrow shape in the place ahead on the above-mentioned regulating shaft and above-mentioned line degree of tightness dial, spline shape and can insert logical supporting bead with moving axially, front end face at this packing ring, to radial direction the cross section that freely engages discretely engagement with the groove of above-mentioned inner core being set radially is the groove of V word shape, from the rearward outstanding protuberance that is provided with of the rear end face of above-mentioned packing ring, this protuberance is entrenched in interior week at the leading section of above-mentioned compression helical spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510127034 CN1978726A (en) | 2005-11-29 | 2005-11-29 | Thread tension device for sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510127034 CN1978726A (en) | 2005-11-29 | 2005-11-29 | Thread tension device for sewing machine |
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| Publication Number | Publication Date |
|---|---|
| CN1978726A true CN1978726A (en) | 2007-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510127034 Pending CN1978726A (en) | 2005-11-29 | 2005-11-29 | Thread tension device for sewing machine |
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| CN (1) | CN1978726A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102747543A (en) * | 2012-06-20 | 2012-10-24 | 吴江市隆泰喷织厂 | Thread tensioning device with scale for sewing machine |
| CN106757819A (en) * | 2017-02-17 | 2017-05-31 | 广东溢达纺织有限公司 | Cylindrical shape cut-parts automatic deviation rectifying mechanism |
| CN107034596A (en) * | 2015-07-12 | 2017-08-11 | 标准缝纫机菀坪机械有限公司 | A kind of dual tension force tension disk |
-
2005
- 2005-11-29 CN CN 200510127034 patent/CN1978726A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102747543A (en) * | 2012-06-20 | 2012-10-24 | 吴江市隆泰喷织厂 | Thread tensioning device with scale for sewing machine |
| CN107034596A (en) * | 2015-07-12 | 2017-08-11 | 标准缝纫机菀坪机械有限公司 | A kind of dual tension force tension disk |
| CN107034596B (en) * | 2015-07-12 | 2020-02-07 | 标准缝纫机菀坪机械有限公司 | Dual tension wire holder |
| CN106757819A (en) * | 2017-02-17 | 2017-05-31 | 广东溢达纺织有限公司 | Cylindrical shape cut-parts automatic deviation rectifying mechanism |
| CN106757819B (en) * | 2017-02-17 | 2022-07-12 | 广东溢达纺织有限公司 | Automatic deviation rectifying mechanism for cylindrical cut pieces |
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Open date: 20070613 |