CN1869308B - Curved needle seat of buttonhole sewing machine - Google Patents
Curved needle seat of buttonhole sewing machine Download PDFInfo
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- CN1869308B CN1869308B CN2006100840993A CN200610084099A CN1869308B CN 1869308 B CN1869308 B CN 1869308B CN 2006100840993 A CN2006100840993 A CN 2006100840993A CN 200610084099 A CN200610084099 A CN 200610084099A CN 1869308 B CN1869308 B CN 1869308B
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Abstract
This invention relates to a height adjusting device, which is located in the looper holder of the keyhole seamer with an aperture plate and the plate support, and can adjust the height of the aperture plate relative to the plate support at the face side of the plate support. By operating this height adjusting device, it doesn't need to dismantle the aperture plate from the plate support, and can adjust the height of the aperture plate while watching the height alignment between the aperture plate and the needle plate, providing a keyhole seamer looper holder that can easily and quickly adjust the height of the aperture plate relative to the needle plate.
Description
Technical field
The present invention relates to button holing sewing machine, particularly relate to the curved needle seat that is installed on the round end button holing sewing machine, has the orifice plates of adjustable height position.
Background technology
As everyone knows, a kind of round end button holing sewing machine of lockstitching a border and stitching by the round end hole portion of circle and the round end hole that constitutes with continuous straight hole portion of this round end hole portion, to the round end hole automaticity that forms that forms is arranged on various processing cloth such as clothing body sheet.
For example, the round end button holing sewing machine of record in the Japanese patent laid-open 9-225166 communique (Japanese Patent ApplicationLaid-Open No.9-225166 (1997)), integraty ground have the Sewing machines support of rectangular box shape and the Sewing machines horn that forwards extends from the back upper lateral part of this Sewing machines support.Front end at the Sewing machines horn is provided with the shank that suture needle is installed that can move up and down.In the Sewing machines support, on position under the described shank, be provided with the curved needle seat of adorning 2 loopers and making the bending needing mechanism of these looper actions.
2 loopers and moving up and down of shank are synchronously moved, thereby interactively form stitching on processing cloth with suture needle.Be provided with cutter arrangement in the Sewing machines support, this cutter arrangement has the lower cutter that is positioned at the curved needle seat rear and from the hammer that top and this lower cutter carry out contact separation, by the action of this cutter arrangement, can form the otch that the round end hole is used on processing cloth.
For the lock seaming of the round end hole portion that makes the circle that constitutes the round end hole be seamed into be possible, shank and curved needle seat are followed to have the action of rotating with the rotating mechanism of motor and can synchronously rotate mutually, and 2 loopers and orifice plates are housed on the top of curved needle seat.Orifice plates has the pin hole that the suture needle that accept to descend is used, and has formed the part of the needle plate above the Sewing machines support, rotates with curved needle seat.
During assembling round end button holing sewing machine, the height and position that is installed in the orifice plates on the curved needle seat is adjusted to and the consistent height and position of needle plate height above the Sewing machines support.This height and position adjustment was to implement according to following order in the past.
As shown in figure 13, the downside of orifice plates 126 has the 126b of supporting foot that one is extended, the 126b of this supporting foot is embedded the rectangle guiding recess 127a that is located at from the slab supporting medium body 127 that curved needle seat is given prominence to upward, fix by the grooving 127f use hold-down screw 141 of formed lengthwise on the slab supporting medium body 127.
On the bottom surface of the guiding recess 127a relative, screwing togather the outstanding upward Height Adjustment of head with screw 60 with the lower end of the 126b of supporting foot of orifice plates 126.During the assembling curved needle seat, the operator operates Height Adjustment screw 60 earlier, set an amount of projecting height from guiding recess 127a bottom surface, orifice plates 126 is embedded among the guiding recess 127a again, until till the lower end of the supporting 126b of foot and Height Adjustment the position with the head conflict of screw 60, under this state, the height of orifice plates 126 and the height of needle plate are done one relatively.
When orifice plates 126 is more high or low than needle plate, the operator is with orifice plates 126 provisional unloading from the slab supporting medium body 127, use is regulated the projecting height of Height Adjustment with screw 60 in right amount from the screwdriver that guiding recess 127a upside inserts, reinstall orifice plates 126, make comparisons again with the height of needle plate, it is consistent with needle plate that the operation that this is a succession of repeats the height of orifice plates 126, finishes the height and position adjustment of orifice plates 126.
In the height and position of in the past above order is adjusted, the problem that exists is that the operator is in order to operate the Height Adjustment screw 60 of being located at slab supporting medium body 127 inside, must carry out the dismounting and the installation of orifice plates 126 repeatedly, before realization correct height position, need to spend a large amount of labours and time.
Summary of the invention
The curved needle seat of the button holing sewing machine of technical scheme 1, top has the slab supporting medium body of orifice plates and this orifice plates of supporting, wherein, has the Height Adjustment mechanism that can adjust the height and position of the relative slab supporting medium body of orifice plates from the face side of slab supporting medium body, side, both sides at the slab supporting medium body is formed with the installation recess, be formed with grooving at this installation recess, orifice plates has tabular supporting foot, be formed with screw in this supporting foot, orifice plates will be by supporting the installation recess that foot embeds a side of slab supporting medium body, with this installation recess serves as that guiding is slided supporting foot, thereby but above-below direction is supported movably, by inserting the fixed-use bolt of logical grooving and screwhole spiro bonding and can fix from the installation recess of the opposite side of slab supporting medium body.
To be bearing on the slab supporting medium body of being located at curved needle seat with the orifice plates that 2 loopers are loaded on the curved needle seat, by operating Height Adjustment mechanism, thereby can under the situation of removal hole oralia not, adjust the orifice plates height and position of this slab supporting medium body relatively from the face side of slab supporting medium body.
The curved needle seat of the button holing sewing machine of technical scheme 2 is characterized in that, the Height Adjustment mechanism of technical scheme 1 has the eccentric shaft member, and this eccentric shaft member comprises: rotation is bearing in the rotary shaft on the described slab supporting medium body freely; Outstanding at the leading section of this rotary shaft with the position of off-centre, from the eccentric axial portion of the described orifice plates of side bearing down; Be arranged on the operating portion on the base end side of described rotary shaft.
The curved needle seat of the button holing sewing machine of technical scheme 3 is characterized in that, the Height Adjustment mechanism of technical scheme 2 has trip bolt, and this trip bolt can switch to rotatable state or non-rotatable state with the described relatively slab supporting medium body of described eccentric shaft member.
The curved needle seat of the button holing sewing machine of technical scheme 4 is characterized in that, the Height Adjustment mechanism of technical scheme 1 comprises: be installed in the cam member on the described slab supporting medium body with can carrying out the position adjustment; Be located at described orifice plates the bottom, conflict with described cam member and carry out driven cam follower surface.
The curved needle seat of the button holing sewing machine of technical scheme 5 is characterized in that, the Height Adjustment mechanism of technical scheme 1 comprises: but the up-down adjustment position be bearing on the described slab supporting medium body, have from the sliding component of the contact part that downside and described orifice plates are conflicted; Can remove the trip bolt that regularly this sliding component is fixed on the described slab supporting medium body.
The curved needle seat of the button holing sewing machine of technical scheme 6, it is characterized in that, the Height Adjustment mechanism of technical scheme 1 has swing arm, but this swing arm above-below direction swingingly is bearing on the described slab supporting medium body, one end has from the contact part of downside and the conflict of described orifice plates, and the other end outstanding to the front of described slab supporting medium body is provided with the operating portion that can operate directly or indirectly.
The purpose of these inventions and new feature thereof are read the detailed description of following narration and can be understood fully by the reference accompanying drawing.
Description of drawings
Fig. 1 is the stereogram with round end button holing sewing machine of curved needle seat of the present invention.
Fig. 2 is the side view with round end button holing sewing machine of curved needle seat of the present invention.
Fig. 3 is the stereogram of rotating mechanism and bending needing mechanism.
Fig. 4 is the front view of bending needing mechanism.
Fig. 5 is the stereogram of seeing from oblique the place ahead of orifice plates and slab supporting medium body.
Fig. 6 is the stereogram of seeing from oblique rear of orifice plates and slab supporting medium body.
Fig. 7 is the exploded perspective view of orifice plates and height and position guiding mechanism.
Fig. 8 is the adjustment key diagram in proper order of the height and position of orifice plates.
Fig. 9 is the orifice plates of expression the 1st change form and the side view of slab supporting medium body.
Figure 10 is the orifice plates of expression the 2nd change form and the stereogram of seeing from oblique the place ahead of slab supporting medium body.
Figure 11 is the orifice plates of expression the 3rd change form and the side view of slab supporting medium body.
Figure 12 is the orifice plates of expression the 4th change form and the side view of slab supporting medium body.
Figure 13 is the key diagram of conventional art.
The specific embodiment
Describe preferable example of the present invention with reference to the accompanying drawings in detail.
As shown in Figure 1 and Figure 2, round end button holing sewing machine 1, integraty ground have the Sewing machines support 2 of rectangular box shape and the Sewing machines horn 3 that forwards extends from the back upper lateral part of this Sewing machines support 2, and are placed on the sewing machine table 4.
Though it is not shown but be provided with electrical motor of sewing machine, select the guidance panel that multiple stitch pattern uses, foot-operated startup shutdown switch etc. on sewing machine table 4.Electrical motor of sewing machine is a drive source, is used to make shank 11 to move up and down, swing the shank actuating mechanism (not shown) of usefulness and the bending needing mechanism 25 various mechanisms such as (shown in Figure 3) of 2 looper 13a, 13b action usefulness synchronously move.On sewing machine table 4, also be provided with the control device that constitutes by microcomputer of the described various mechanism actions of control.
Leading section at Sewing machines horn 3 is provided with the shank that moves up and down 11 that the lower end is installed with suture needle 10, though the rotation of the main shaft 12 of not making detailed icon but will be corresponding with the transmission of electrical motor of sewing machine passes to shank 11 by cam mechanism,, the suture needle 10 that this shank 11 is installed with the lower end moves up and down Yi Bian swinging with the regulation amplitude on one side.Main shaft 12 rotations 1 circle, shank 11 just respectively carries out moving up and down for 2 times on left side swing position (interior pin position) and right side swing position (outer pin position).
As Fig. 2, shown in Figure 3, be provided with the curved needle seat 14 relative in the inside of Sewing machines support 2 with shank 11.This curved needle seat 14 is followed the action of rotating mechanism 15 and can be rotated around vertical axis, is adorning the bending needing mechanism 25 with pairing left and right looper 13a, 13b on the top of curved needle seat 14.As shown in Figure 4, utilize the rotation of the main shafts that transmission mechanism transmitted 12 such as the linkage be located at curved needle seat 14, cam mechanism, 2 looper 13a, 13b and moving up and down of shank 11 are synchronously swung.
Leading section in the suture needle 10 that is installed on shank 11 lower ends is inserted the upper thread that is connected with from the line supply source, inserts at the leading section of left looper 13a and is connected with bottom line.Right looper 13b is stranded with bottom line in the capture surface wire loop, plays a part to form the wire loop joint portion.
As shown in Figure 3, shank 11 and curved needle seat 14 are followed being located at θ direction drive motor 24 in the Sewing machines support 2 as the action of the rotating mechanism 15 of drive source, carry out the one rotation around vertical axis on horizontal plane.With reference to Fig. 3 simple declaration rotating mechanism 15.
The bending needing mechanism 25 that makes pairing left and right looper 13a, 13b action usefulness is installed on the top of curved needle seat 14, Fig. 5, orifice plates 26 shown in Figure 6 are installed simultaneously.Orifice plates 26 be installed in the integrally formed slab supporting medium body 27 of curved needle seat 14 on, the height of its installation is adjustable to consistent with not shown needle plate by Height Adjustment described later mechanism 40.
Orifice plates 26 has dull and stereotyped body 26a, and this flat board body 26a has the pin hole 26c and the not shown heart yearn of confession of suture needle 10 usefulness of the decline accepted and inserts general heart yearn inserting hole 26d.The purposes of heart yearn inserting hole 26d is can insert logical to cloth feeding direction for the end from the heart yearn of heart yearn supply source when forming the round end keyhole stitch seam that heart yearn is sewed up with upper thread.
The rear side of the curved needle seat 14 in Sewing machines support 2 is provided with fixed mount (not shown), and as shown in Figure 2, this fixed mount uses double-screw bolt releasably to be installed with and forms the cutting knife 30 that round end hole portion uses.Above the installation site of cutting knife 30, be provided with and conflict the stamping-out that swings up and down discretely with hammer 32 with this cutting knife 30.
With the front end of hammer 32 removably hammer body 33 is installed at stamping-out.The action that stamping-out is followed the hammer driving mechanism (not shown) that is made of cylinder of being located at Sewing machines support 2 inside etc. with hammer 32 swings up and down, when swinging downwards, hammer body 33 collides cutting knifes 30, on processing cloth, form have circular round end hole portion and with the round end hole of continuous straight hole portion of this round end hole portion.
As shown in Figure 1 and Figure 2, on Sewing machines support 2, be provided with the feeding table 35 that placement processing cloth is used.Feeding table 35 integral body are rectangular box shapes of thin type, and the position relative with curved needle seat 14 and cutting knife 30 is open.Though not shown, 1 pair metal cross plate about on feeding table 35, being provided with.
In the inside of Sewing machines support 2, be provided with driving by the directions X motor that constitutes by stepper motor and make feeding table 35 make feeding table 35 towards Y direction travel mechanism (not shown) that Y direction (fore-and-aft direction) feeding is moved towards directions X travel mechanism (not shown) that directions X (left and right directions) feeding is moved and the driving by the Y direction motor that constitutes by stepper motor.
Curved needle seat 14 has Height Adjustment mechanism 40, can adjust the height and position of orifice plates 26 relative slab supporting medium bodies 27 from the front of slab supporting medium body 27.The following describes this Height Adjustment mechanism 40.
As Fig. 5, shown in Figure 6, orifice plates 26 comprises: the dull and stereotyped body 26a with pin hole 26c and heart yearn inserting hole 26d; And the tabular supporting 26b of foot that roughly is connected with the central portion at this flat board body 26a one edge at right angles, extends downwards.As shown in Figure 7, in the front of slab supporting medium body 27 and the back be respectively arranged with to overlook and see installation recess 27a, the 27b that is the U font and is connected with top edge.Before and after being formed with on the position corresponding, connect the inserting hole 27c of slab supporting medium body 27, at the screw 27d of a side (left surface among Fig. 5) upper shed that is arranged in slab supporting medium body 27 midway being communicated with of this inserting hole 27c with the bottom of the installation recess 27b of rear side.On the 27e of wall portion that stays between installation recess 27a, the 27b of front and back, be formed with the narrow and small U font grooving 27f of width in the recess 27b scope midway to installing at top edge from slab supporting medium body 27.
The installation recess 27a of slab supporting medium body 27 front sides has the 26b of the supporting foot width about equally with orifice plates 26.Orifice plates 26 embeds installation recess 27a by supporting the 26b of foot, so that recess 27a to be installed serves as that guiding is slided the supporting 26b of foot, thereby but above-below direction is supported movably, screw togather by inserting the fixed-use bolt 41 of logical grooving 27f and be formed at the screw 26e that supports the 26b of foot, thereby can be fixed on suitable height and position from rear side.
The trip bolt 45 that Height Adjustment mechanism 40 has eccentric shaft member 44 and these eccentric shaft member 44 relative slab supporting medium bodies 27 can be switched to rotatable state or non-rotatable state.
The following describes the effect of Height Adjustment mechanism 40.
The operator is when adjusting the height and position of orifice plates 26, dump with round end button holing sewing machine 1, make the operating portion 44c of fixed-use bolt 41 and eccentric shaft member 44 use hand rotation curved needle seat 14 (operator's side), unclamp fixed-use bolt 41, unclamp trip bolt 45 again in the face of face side.
Then as shown in Figure 8, the operator uses the operating portion 44c of tool operation such as screwdriver facing to slab supporting medium body 27 fronts, along clockwise direction or counterclockwise eccentric rotation axis member 44.Rotation along with eccentric shaft member 44, eccentric axial portion 44b integraty outstanding in the installation recess 27a of slab supporting medium body 27 rotates, because of this rotation causes upper and lower displacement, event is from the also upper and lower displacement of the 26b of supporting foot of the orifice plates 26 of upside and eccentric axial portion 44b conflict, and the result is that the height and position of orifice plates 26 changes.
It is the height and position of variable orifice plates 26 that the operator only needs rotating operation eccentric shaft member 44, can easily implement so that dull and stereotyped body 26a consistent with the height of needle plate be the Height Adjustment of the orifice plates 26 of purpose.Orifice plates 26 after the Height Adjustment is by screwing trip bolt 45 and fixed-use bolt 41 just and can be fixed on reliably on the slab supporting medium body 27.
In the curved needle seat 14 of the present invention, owing to have by can adjust the Height Adjustment mechanism 40 of the height and position of orifice plates 26 relative slab supporting medium bodies 27 from the operation of slab supporting medium body 27 face side, therefore, the difference in height of energy visual dull and stereotyped body 26a in one side and needle plate is Yi Bian simply and promptly implement in order to make the height and position adjustment of the dull and stereotyped body 26a orifice plates consistent with the height of needle plate 26.
40 need of Height Adjustment mechanism comprise: have from rotation and be bearing in the outstanding eccentric axial portion 44b of the leading section of the rotary shaft 44a on the slab supporting medium body 27 freely and switch to the trip bolt 45 of rotatable state or non-rotatable state with the eccentric shaft member 44 of the integrally formed operating portion 44c of base end part and with this eccentric shaft member 44, can implement the height and position adjustment of orifice plates 26 with simple structure.Do not carrying out height and position when adjusting, just can stop the rotation of eccentric shaft member 44, the height and position of the orifice plates 26 in keeping reliably making reliably by screwing in trip bolt 45.
The following describes change form of the present invention.
1) 40A of Height Adjustment mechanism shown in Figure 9 constitutes, and carries out the height and position adjustment of orifice plates 26A by the front plug operation of cam screw 48 from slab supporting medium body 27A.
The bottom of the 26g of supporting foot of orifice plates 26A is the inclined plane that forwards forms to tilt to downslope, is being formed with cam follower surface 47a below the affixed conflict plate 47 in this inclined plane.
On corresponding position, the bottom of slab supporting medium body installation recess 27b 27A and rear side, from the rear horizontal direction screwing togather cam screw 48 (being equivalent to cam member).Leading section in cam screw 48 outstanding in the installation recess 27a of front side is provided with hemispheric cam part 48a, and this cam part 48a conflicts from the cam follower surface 47a of rear and conflict plate 47.
When adjusting the height and position of orifice plates 26A, unclamp fixed-use bolt 41, rotating cam screw 48 along clockwise direction or counterclockwise, slab supporting medium body 27A plugs relatively.Plug operation by cam screw 48 make the conflict position of the cam follower surface 47a of cam part 48a and conflict plate 47 take place before and after variation, therefore, utilize the inclination of cam follower surface 47a can make the variation of the height and position generation above-below direction of orifice plates 26A.
The 40A of Height Adjustment mechanism has cam follower surface 47a that is located at orifice plates 26A and the simple formation of conflicting, be attached to adjustable position the cam screw 48 on the slab supporting medium body 27A with this cam follower surface 47a, the difference in height of energy visual dull and stereotyped body 26f in one side and needle plate, on one side by from slab supporting medium body 27A just plug operation in the face of cam screw 48, can be simply and promptly implement the height and position adjustment of orifice plates 26A.
The orifice plates 26A of this change form comprises that the lower end has the 26g of supporting foot on inclined plane and the dull and stereotyped body 26f that is connected with the 26g of this supporting foot upper end, but this 26g of supporting foot and dull and stereotyped body 26f are equivalent to the 26b of supporting foot and the dull and stereotyped body 26a of the orifice plates 26 of Fig. 5～shown in Figure 8 respectively.
2) 40B of Height Adjustment mechanism shown in Figure 10 constitutes, by just operating the height and position of adjusting orifice plates 26B in the face of being arranged on the slab supporting medium body 27B slidably sliding component 50 from slab supporting medium body 27B.Laminal sliding component 50 embeds in the set guide groove (not shown) in slab supporting medium body 27B back, can be supported slidably along the vertical direction.
The height and position adjustment of orifice plates 26B is by using screwdriver to unclamp trip bolt 51, the fixed solution of sliding component 50 is removed, from the side of facing up of slab supporting medium body 27B or slid underneath operation sliding component 50, orifice plates 26B is moved up and down carry out by conflict bar 50a.
The operation energy one side Visual Confirmation orifice plates 26B of sliding component 50 and the difference in height of needle plate are implemented on one side easily and promptly.On sliding component 50, also can replace the grooving 50b of lengthwise and vertically a plurality of through holes arranged side by side are set, in these through holes, screw with trip bolt 51 being selected a property by inserting to lead to, thus stationary slide 50.
3) 40C of Height Adjustment mechanism shown in Figure 11 constitutes, and the swing arm 53 that is arranged on rotationally on the slab supporting medium body 27C by the front-operated from slab supporting medium body 27C carries out the height and position adjustment of orifice plates 26C.
On the lower position of the U word shape grooving 27f of slab supporting medium body 27C, be formed with the grooving 27g of thin lengthwise, in this grooving 27g, embed tabular swing arm 53.Swing arm 53 is bearing on the slab supporting medium body 27C by the fulcrum post 54 that left and right directions runs through middle part, swing arm 53 fore-and-aft directions way, and being mounted to fulcrum post 54 is that fulcrum can swing up and down.Be provided with the contact part 53a that conflicts with the lower end of the 26b of supporting foot of orifice plates 26B in an end of swing arm 53 outstanding in the installation recess 27a of slab supporting medium body 27C, be provided with operating portion 53b in the other end to the outstanding swing arm 53 in the front of slab supporting medium body 27C.
The front end and the fulcrum post 54 of the trip bolt 55 that screws togather with the screw (not shown) of slab supporting medium body 27C side are conflicted, in case trip bolt 55 is screwed, then can stop the swing of swing arm 53 by fulcrum post 54, when unclamping trip bolt 55, then swing arm 53 is that fulcrum can be swung with fulcrum post 54.
The height and position adjustment of orifice plates 26C is by unclamping trip bolt 55, upward or the below manual operation carry out to the outstanding operating portion 53b in the front of slab supporting medium body 27C.Make swing arm 53 swing by this operation, make contact part 53a set on the reverse side end of operating portion 53b upward or the below move, orifice plates 26C also upward or the below move, just can adjust the height of this orifice plates 26C.
The swinging operation of swing arm 53, the difference in height of Visual Confirmation orifice plates 26C and needle plate is implemented easily and promptly from the face side of slab supporting medium body 27C on one side on one side.
4) 40D of Height Adjustment mechanism shown in Figure 12 has and the identical swing arm 53A of swing arm 53 among Figure 11, but is arranged on the operating portion 53b on the outstanding jag in front of slab supporting medium body 27D by adjustment screw 57 above-below direction swinging operation.Be provided with rearward outstanding screw incorporating section 27h in the bottom of slab supporting medium body 27D, the threaded portion 57a of adjustment screw 57 and this screw incorporating section 27h screw togather, with the head 57b of the adjustment screw 57 of extending the downwards operating portion 53b conflict from upside and swing arm 53A.
Because the contact part 53a of swing arm 53A utilizes the deadweight of the orifice plates 26D that conflicts with upside to fall downwards, therefore, swing arm 53A is along the swing of the clockwise direction among the figure, and the operating portion 53b of contact part 53a reverse side conflicts from the head 57b of downside and adjustment screw 57 all the time.
The height and position adjustment of orifice plates 26D is by rotating operation adjustment screw 57 along clockwise direction or counterclockwise, make to the operating portion 53b of the outstanding swing arm 53A in the front of slab supporting medium body 27D upward or the below swing and carry out.Make swing arm 53A swing by this operation, make contact part 53a set on the reverse side end of operating portion 53b downwards or the top move, orifice plates 26D also downwards or the top move, just can adjust the height of this orifice plates 26D.
Make the rotating operation of the adjustment screw 57 of swing arm 53A swing usefulness, the difference in height of Visual Confirmation orifice plates 26D and needle plate is implemented easily and promptly in the face side of slab supporting medium body 27D on one side on one side.Though it is not shown but also can use the spring that can apply clockwise power all the time to swing arm 53A.
From above detailed description as can be seen, adopt the invention of technical scheme 1, have in the curved needle seat of the orifice plates and the button holing sewing machine of the slab supporting medium body of this orifice plates of supporting on top, has the Height Adjustment mechanism that can adjust the height and position of the relative slab supporting medium body of orifice plates from the face side of slab supporting medium body, therefore, under the state that orifice plates is installed on the slab supporting medium body, height and position by one side eyesight oralia is on one side in the front-operated Height Adjustment mechanism of slab supporting medium body, just can adjust the height of orifice plates, can be easily and promptly implement in order to adjust the operation of orifice plates height.
Adopt the invention of technical scheme 2, Height Adjustment mechanism has the eccentric shaft member, and this eccentric shaft member comprises: rotation is bearing in the rotary shaft on the slab supporting medium body freely; Outstanding at the leading section of this rotary shaft with the position of off-centre, from the eccentric axial portion of downside support holes oralia; Be arranged on the operating portion on the base end side of rotary shaft.The eccentric shaft member can be rotated to support on the slab supporting medium body by rotary shaft, therefore, the rotating operation that the operator only needs to carry out operating portion in the front of slab supporting medium body gets final product, utilize this operation to make the rotary shaft rotation, by the eccentric axial portion that changes upper-lower position orifice plates is moved up and down, energy is the height and position of this orifice plates of Visual Confirmation on one side, Yi Bian adjust easily and promptly.Others can obtain the effect identical with technical scheme 1.
Adopt the invention of technical scheme 3, because Height Adjustment mechanism has trip bolt, this trip bolt can switch to rotatable state or non-rotatable state with the relative slab supporting medium body of eccentric shaft member, therefore, only need switch to the side that screws of trip bolt, just can keep the position of the orifice plates after the Height Adjustment reliably, on the other hand, only need with trip bolt switch to unclamp side just can with adjust operation the eccentric shaft member is rotated, carry out Height Adjustment.Others can obtain the effect identical with technical scheme 2.
Adopt the invention of technical scheme 4, because Height Adjustment mechanism comprises: be installed in the cam member on the described slab supporting medium body with can carrying out the position adjustment; Be located at orifice plates the bottom, conflict with cam member and carry out driven cam follower surface, therefore, only need face side operation of cam member from the slab supporting medium body, just can orifice plates be moved up and down according to the variation of the conflict position of the relative cam follower surface of cam member, energy is the height and position of this orifice plates of Visual Confirmation on one side, Yi Bian adjust easily and promptly.Others can obtain the effect identical with technical scheme 1.
Adopt the invention of technical scheme 5, because Height Adjustment mechanism comprises: but ground, up-down adjustment position is bearing on the slab supporting medium body, has from the sliding component of the contact part of downside and orifice plates conflict; Can remove the trip bolt that regularly this sliding component is fixed on the slab supporting medium body, therefore, only need to unclamp trip bolt in the front of slab supporting medium body, with manual operation sliding component is moved up and down, just can orifice plates be moved up and down by the contact part, energy is the height and position of this orifice plates of Visual Confirmation on one side, Yi Bian adjust easily and promptly.Others can obtain the effect identical with technical scheme 1.
Adopt the invention of technical scheme 6, because Height Adjustment mechanism has swing arm, but this swing arm above-below direction swingingly is bearing on the slab supporting medium body, one end has from the contact part of downside and orifice plates conflict, the other end outstanding to the front of slab supporting medium body is provided with the operating portion that can operate directly or indirectly, therefore, front at the slab supporting medium body, only with hand moves directly or descends by indirect such as screws the operating portion of operation swing arm on the ground, just can orifice plates be moved up and down, energy is the height and position of this orifice plates of Visual Confirmation on one side, Yi Bian adjust easily and promptly.Others can obtain the effect identical with technical scheme 1.
The example of being narrated in the above specific embodiment only is used for clear and definite technical content of the present invention, the present invention is not interpreted as to narrow sense only being confined to these object lessons, in the scope that spirit of the present invention and claims are narrated, can make various changes and be implemented.
Claims (6)
1. the curved needle seat of a button holing sewing machine, top have the slab supporting medium body of orifice plates and this orifice plates of supporting, it is characterized in that,
Have the Height Adjustment mechanism that can adjust the height and position of the described relatively slab supporting medium body of described orifice plates from the face side of described slab supporting medium body,
Side, both sides at described slab supporting medium body is formed with the installation recess, is formed with grooving at this installation recess,
Described orifice plates has tabular supporting foot, is formed with screw in this supporting foot,
Described orifice plates is by embedding described supporting foot the described installation recess of one side of described slab supporting medium body, with this installation recess serves as that guiding makes the slip of described supporting foot, thereby but above-below direction is supported movably, by inserting the fixed-use bolt of logical described grooving and described screwhole spiro bonding and can fix from the installation recess of the opposite side of described slab supporting medium body.
2. the curved needle seat of button holing sewing machine as claimed in claim 1 is characterized in that, described Height Adjustment mechanism has the eccentric shaft member, and this eccentric shaft member comprises: rotation is bearing in the rotary shaft on the described slab supporting medium body freely; Outstanding at the leading section of this rotary shaft with the position of off-centre, from the eccentric axial portion of the described orifice plates of side bearing down; Be arranged on the operating portion on the base end side of described rotary shaft.
3. the curved needle seat of button holing sewing machine as claimed in claim 2 is characterized in that, described Height Adjustment mechanism has trip bolt, and this trip bolt can switch to rotatable state or non-rotatable state with the described relatively slab supporting medium body of described eccentric shaft member.
4. the curved needle seat of button holing sewing machine as claimed in claim 1 is characterized in that, described Height Adjustment mechanism comprises: be installed in the cam member on the described slab supporting medium body with can carrying out the position adjustment; Be located at described orifice plates the bottom, conflict with described cam member and carry out driven cam follower surface.
5. the curved needle seat of button holing sewing machine as claimed in claim 1 is characterized in that, described Height Adjustment mechanism comprises: but the up-down adjustment position be bearing on the described slab supporting medium body, have from the sliding component of the contact part that downside and described orifice plates are conflicted; Can remove the trip bolt that regularly this sliding component is fixed on the described slab supporting medium body.
6. the curved needle seat of button holing sewing machine as claimed in claim 1, it is characterized in that, described Height Adjustment mechanism has swing arm, but this swing arm above-below direction swingingly is bearing on the described slab supporting medium body, one end has from the contact part of downside and the conflict of described orifice plates, and the other end outstanding to the front of described slab supporting medium body is provided with the operating portion that can operate directly or indirectly.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005-155812 | 2005-05-27 | ||
| JP2005155812 | 2005-05-27 | ||
| JP2005155812A JP4702606B2 (en) | 2005-05-27 | 2005-05-27 | Hole throat plate throat plate height adjustment mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1869308A CN1869308A (en) | 2006-11-29 |
| CN1869308B true CN1869308B (en) | 2011-09-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100840993A Active CN1869308B (en) | 2005-05-27 | 2006-05-23 | Curved needle seat of buttonhole sewing machine |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4702606B2 (en) |
| CN (1) | CN1869308B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5197191B2 (en) * | 2008-07-01 | 2013-05-15 | Ｊｕｋｉ株式会社 | Sewing machine opener mechanism |
| JP5241449B2 (en) * | 2008-11-27 | 2013-07-17 | Ｊｕｋｉ株式会社 | Eyelet buttonhole sewing machine |
| JP6031255B2 (en) * | 2011-05-18 | 2016-11-24 | Juki株式会社 | sewing machine |
| CN102400286A (en) * | 2011-11-15 | 2012-04-04 | 西安标准工业股份有限公司 | Full-automatic curved needle separating mechanism |
| WO2014192108A1 (en) * | 2013-05-29 | 2014-12-04 | 株式会社広瀬製作所 | Needle-handler position adjusting device |
| KR101996193B1 (en) * | 2016-12-08 | 2019-07-03 | 가부시키가이샤 티아이에스엠 | sewing machine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1420224A (en) * | 2001-11-19 | 2003-05-28 | 重机公司 | Buttonhole sewing machine |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59168879A (en) * | 1983-03-17 | 1984-09-22 | アイシン精機株式会社 | Height control mechanism of feed table |
| JPS6274398A (en) * | 1985-09-30 | 1987-04-06 | 三菱電機株式会社 | Needle feeder of sewing machine |
| JPH0556070U (en) * | 1991-12-27 | 1993-07-27 | ジューキ株式会社 | Sewing machine feed dog height adjustment device |
| JPH0666583U (en) * | 1993-03-04 | 1994-09-20 | ジューキ株式会社 | Table leg length adjustment device |
| JP3508371B2 (en) * | 1996-02-27 | 2004-03-22 | ブラザー工業株式会社 | Eyelet overhole sewing machine |
| JP3841954B2 (en) * | 1998-05-28 | 2006-11-08 | 蛇の目ミシン工業株式会社 | Overlock sewing machine |
| JP2004229874A (en) * | 2003-01-30 | 2004-08-19 | Sabun Kogyosho:Kk | Horizontal rotary hook of sewing machine |
-
2005
- 2005-05-27 JP JP2005155812A patent/JP4702606B2/en not_active Expired - Fee Related
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2006
- 2006-05-23 CN CN2006100840993A patent/CN1869308B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1420224A (en) * | 2001-11-19 | 2003-05-28 | 重机公司 | Buttonhole sewing machine |
Non-Patent Citations (4)
| Title |
|---|
| JP昭39-524 1964.01.10 |
| JP昭59-168879A 1984.09.22 |
| JP昭62-74398A 1987.04.06 |
| JP特开平9-225166A 1997.09.02 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1869308A (en) | 2006-11-29 |
| JP2006326062A (en) | 2006-12-07 |
| JP4702606B2 (en) | 2011-06-15 |
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