CN102162179A - Bobbin case removing and attaching mechanism for loop taker - Google Patents
Bobbin case removing and attaching mechanism for loop taker Download PDFInfo
- Publication number
- CN102162179A CN102162179A CN201110037655.2A CN201110037655A CN102162179A CN 102162179 A CN102162179 A CN 102162179A CN 201110037655 A CN201110037655 A CN 201110037655A CN 102162179 A CN102162179 A CN 102162179A
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- bobbin case
- needle plate
- support
- retainer
- removes
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- 230000004308 accommodation Effects 0.000 claims description 49
- 238000009958 sewing Methods 0.000 claims description 31
- 238000003780 insertion Methods 0.000 claims description 12
- 230000037431 insertion Effects 0.000 claims description 12
- 238000010417 needlework Methods 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 4
- 230000000717 retained effect Effects 0.000 abstract 1
- 230000000153 supplemental effect Effects 0.000 description 15
- 238000006073 displacement reaction Methods 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000005755 formation reaction Methods 0.000 description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 6
- 239000002699 waste material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Images
Classifications
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B59/00—Applications of bobbin-winding or -changing devices; Indicating or control devices associated therewith
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
A bobbin case removing and attaching mechanism for a loop taker includes a loop taker (1), a bobbin case (2) inserted into a bobbin case accommodating portion (13) of the loop taker and upwardly opening, a bracket (4) mounted at a fixing member (3), and a needle plate (5) including a bobbin case stopper piece (6). The bobbin case (2) inserted into the bobbin case accommodating portion (13) is retained at an operating position while a movement of the bobbin case (2) is restricted by the bracket (4) and the bobbin case stopper piece (6) in a state where the needle plate (5) is attached to the bracket (4). The bobbin case (2) is removed from or attached to the bobbin case accommodating portion (13) in a state where the needle plate (5) is removed from the bracket (4) and the bracket (4) is fixed to the fixing member (3).
Description
Technical field
The disclosure relates to a kind of bobbin case that is used to be installed in the articulating receiver at sewing device place and removes and attachment mechanism.
Background technology
The bobbin case that a kind of known being used for is installed in the articulating receiver at sewing device place removes with attachment mechanism and is disclosed in JPS57-38278B (being called list of references 1 hereinafter).Disclosed articulating receiver comprises the removable rotary actuator with two fasteners in the list of references 1, and at least one in described two fasteners engages with bobbin case.The articulating receiver also comprises the control member that is rotationally attached to pin, and described pin is fixed to the Sewing machines pedestal.One end of control member is orientated as usually and is left removable rotary actuator slightly.Control member comprises operating portion, moves at spacing member under the situation of off-position, and the projection of the spacing member of described operating portion by being formed at bobbin case is operated.No matter the rotatable phase of articulating receiver how, control member discharges engaging between fastener of removable rotary actuator and the bobbin case by means of operating portion.In addition, control member impels another fastener of removable rotary actuator to be positioned the upside of the release portion of bobbin case.Remove and attachment mechanism according to aforementioned bobbin case, the projection and the operating portion that slide into spacing member at spacing member form under the situation of position contacting, and peg or spindle can remove from bobbin case.But bobbin case can not remove from the articulating receiver.Further form position contacting under the situation of sliding on the aforementioned direction from the projection and the operating portion of spacing member at spacing member, bobbin case removes with attachment mechanism and is activated, thereby projection is engaged and press operating part with operating portion.Because operating portion pushed, therefore removable rotary actuator rotation is to discharge engaging between bobbin case and the removable rotary actuator.As a result, bobbin case can remove from the articulating receiver.On the other hand, thereby be attached under the situation of described articulating receiver in bobbin case insertion articulating receiver, an insertion in the fastener is formed in the groove of bobbin case.Therefore, the failure of bobbin case at the position at articulating receiver place can not appear.
In addition, a kind of known Sewing machines is disclosed among the JPH03-14478B (being called list of references 2 hereinafter).Described Sewing machines comprises: the Sewing machines pedestal; Articulating receiver, described articulating receiver are arranged as and are used for around vertical axis rotation and are contained in the pedestal, described articulating receiver have perpendicular to the upwardly extending rim in the side of described vertical axis and its end towards the open end of described rim opening cavity; And bobbin case, described bobbin case is arranged in the described articulating receiver and has flange.Described Sewing machines also comprises support, and described support is removably attached to pedestal and has opening in the center, and described support retrains the motion of bobbin case in the chamber and provides the gap to be used to make line to pass with respect to bobbin case.Described support is placed on the end surfaces of bobbin case flange at two part places.Described Sewing machines further comprises first support portion and second support portion, described first support portion is arranged at described support and is positioned to comprise on the side on plane of articulating receiver vertical axis, and described second support portion is positioned on the described rim and have angular displacement less than 180 °, and described second support portion is positioned on the opposite side on described plane with described two parts of support.Described Sewing machines also further comprises vertical wall, and described vertical wall is arranged at described first support portion, thereby contacts with bobbin case formation.According to aforementioned Sewing machines, described bobbin case remains on operation with described rim and engages.After described articulating receiver removed, described bobbin case removed from the operating position of described articulating receiver at described support.A place in two parts of the support on the end surfaces that is placed in the bobbin case flange is formed with groove.Lug is formed at the flange of bobbin case, thereby engages with described groove.As a result, the rotation of described bobbin case suffers restraints.
According to list of references 1, although when bobbin case inserts in the articulating receiver, described bobbin case can not be arranged in the errors present at articulating receiver place, because fastener is arranged in the needle plate below, therefore is difficult to observe in the fastener.Therefore, be difficult to fastener is inserted in the groove of bobbin case, thereby may hinder the layout of bobbin case at articulating receiver place.In addition, in order to remove or attached bobbin case, around described articulating receiver, be provided with the parts of the complicated link gear of a plurality of formations with respect to the articulating receiver.As a result, because the manufacturing tolerance of described parts, the accurate location of described parts is difficult to realize.And because its complicated structure, the cost that bobbin case removes with attachment mechanism may increase.
According to list of references 2, because the support location is indeterminate, so the user is difficult to bobbin case is arranged in the articulating receiver.Bobbin case bobbin case is fixed under the situation of the errors present in the articulating receiver by screw the user, owing to may obtain suitable sewing in the mistake layout at articulating receiver place.And, in order to remove velveteen or the waste material that gathers in the articulating receiver, need remove needle plate, support and then bobbin case.Removing of these three parts may bring the complex operations that is used to remove bobbin case.
Therefore, exist a kind of like this bobbin case that is used for the articulating receiver is removed demand with attachment mechanism, this mechanism has realized removing easily with attached of bobbin case by only removing needle plate.In addition, when bobbin case is attached to the articulating receiver, described bobbin case inserts the scheduled operation position at articulating receiver place, even and owing to the vibration that produces of sewing or other power (for example, when the power that sewing device is carried or is produced during carrying etc.) effect under, described bobbin case still remains in the scheduled operation position.And the described bobbin case that is used for the articulating receiver removes with attachment mechanism and obtains with low cost.
Summary of the invention
According to one side of the present disclosure, provide a kind of bobbin case that is used for the articulating receiver to remove and attachment mechanism, comprising: articulating receiver, described articulating receiver are arranged in the work supporting platform seat that is used for sewing device and can rotate around the axis of described articulating receiver; Bobbin case, described bobbin case inserts and is formed in the bobbin case accommodation section of described articulating receiver described bobbin case accommodation section upward opening; Support, described support are installed on the fixed component that is arranged in described work supporting platform seat place and comprise opening, when described bobbin case be inserted to described bobbin case accommodation section or when described bobbin case accommodation section removes described bobbin case by described opening; And needle plate, at least a portion that described needle plate is attached to the top of described support and seals the opening of described support, described needle plate comprises the bobbin case retainer, and the constraint of described bobbin case retainer is inserted in the described bobbin case accommodation section and is arranged in the moving upward of described bobbin case of its operating position.Be attached at described needle plate under the state of described support, the described bobbin case that inserts in the described bobbin case accommodation section remains in operating position, and the motion of described bobbin case simultaneously is by described support and the constraint of described bobbin case retainer.In addition, remove and described support is fixed under the state of described fixed component from described support at described needle plate, described bobbin case removes or is attached to described bobbin case accommodation section from described bobbin case accommodation section.
According to aforementioned open, needle plate is fixed at support under the state of fixed component and is removed, thereby bobbin case is removed or attached with respect to the bobbin case accommodation section of articulating receiver.Therefore, can carry out removing with attached and its operability of bobbin case simply can increase.
In addition, in sewing manipulation, vibration produces constantly, thereby makes the operating position displacement of bobbin case from the articulating receiver.In addition, when carrying or carry sewing device,, vibration etc. are used to make the power of bobbin case from the operating position displacement because may producing.Under the situation that produces aforementioned vibration or power, because bobbin case is by support and bobbin case retainer and restrained moving, so bobbin case remains in the scheduled operation position in the articulating receiver.As a result, bobbin case is confined to and is not moved on the upper surface that is positioned the articulating receiver.Remove and attachment mechanism according to aforementioned bobbin case, can obtain suitable stitching.
And, remove and attachment mechanism according to aforementioned bobbin case, retrain by support and bobbin case retainer operating position, thereby simplified the structure of mechanism and realized the manufacturing cost that reduces bobbin case.
Described support comprises rotation condition portion and guiding section, described rotation condition portion retrains the direction of insertion of described bobbin case and retrains the rotation of described bobbin case, and described guiding section inserts under the situation in the described bobbin case accommodation section to form with the part of the uper side surface of described bobbin case at described bobbin case and contacts and retrain moving upward of described bobbin case, and each gap that needlework passed is respectively formed between described rotation condition portion and the described bobbin case and between described guiding section and the described bobbin case.
Therefore, under the state that the articulating receiver removes, insert at needle plate at bobbin case under the situation in the bobbin case accommodation section of articulating receiver, the position of bobbin case on direction of rotation retrains by rotation condition portion, and bobbin case retrains by guiding section in the insertion position that makes progress upward simultaneously.As a result, bobbin case only can be inserted to the scheduled operation position in the bobbin case accommodation section of articulating receiver in a predetermined direction.The bobbin case that inserts in the bobbin case accommodation section only can be from removing in the opposite direction with aforementioned predetermined party.Therefore, the user easily is inserted to bobbin case the scheduled operation position in the articulating receiver and easily bobbin case is removed from the articulating receiver.Can be suppressed at that bobbin case occurs under the situation of scheduled operation displacement owing to stopping broken string that cause in the needlework path etc., thereby realize suitable stitching.
And under the effect of the power that the vibration force that produces in sewing device during the sewing operation maybe produces when carrying or carry sewing device, the move through rotation condition portion of bobbin case on direction of rotation retrains.Moving upward of bobbin case retrains by guiding section and bobbin case retainer.Therefore, bobbin case remains in the scheduled operation position in the bobbin case accommodation section of articulating receiver.As a result, bobbin case is confined to and is not moved on the upper surface that is positioned the articulating receiver, thereby realizes suitable stitching.
Forming of the part of described guiding section by the edge of the opening of the described support of downward bending.
Therefore, the bobbin case that has obtained to have simple structure and be used for the articulating receiver cheaply removes and attachment mechanism.
Described bobbin case retainer has elasticity to push described bobbin case.
Therefore, can absorb the dimensional tolerance between needle plate and the bobbin case by means of elasticity.
Described bobbin case retainer and described needle plate are individually formed and are fixed to removedly the lower surface of described needle plate.
Therefore, the situation that contrast bobbin case retainer and needle plate form can be simplified needle plate structure.
Described bobbin case retainer is long element that is made of metal and the lower surface that is fixed to described needle plate with cantilevered fashion.
Therefore, the elasticity of bobbin case retainer can be adjusted by the length that changes the bobbin case retainer.Under the situation that the bobbin case retainer is made of metal, contrast bobbin case retainer is by resin molded situation about forming, and the increase of bobbin case retainer size is evitable.
Described bobbin case retainer and described needle plate are individually formed, and described bobbin case retainer comprises base portion and free end, and described base portion is fixed to the lower surface of described needle plate, and described free end separates with the lower surface of preset distance with described needle plate.
Contrast the situation that bobbin case retainer and needle plate form, can simplify the structure of needle plate.The appropriate change of length can be adjusted the flexible size of bobbin case retainer between free end and the needle plate lower surface.
Described bobbin case retainer is made of metal.
Under the situation that the bobbin case retainer is made of metal, contrast bobbin case retainer can be avoided the increase of bobbin case retainer size by resin molded situation about forming.
Description of drawings
With reference to the detailed description of accompanying drawing, aforementioned and additional feature of the present disclosure and characteristic will become more apparent by hereinafter, in described accompanying drawing:
Fig. 1 is that the bobbin case that is used for the articulating receiver according to embodiment removes the exploded perspective view with attachment mechanism;
Fig. 2 is the stereogram of the support shown in Fig. 1 when the downside of Fig. 1 is observed;
Fig. 3 removes plane under the state that removes with attachment mechanism at needle plate from bobbin case;
Fig. 4 is that bobbin case removes the plane with attachment mechanism;
Fig. 5 cuts open the cutaway view of getting along the line V-V shown in Fig. 4; And
Fig. 6 is the stereogram that the position relation between bobbin case, support and the bobbin case retainer is shown.
The specific embodiment
With reference to the accompanying drawings embodiment is made an explanation.
As shown in Figure 1, bobbin case removes with attachment mechanism 10 (bobbin case that is used for the articulating receiver removes and attachment mechanism) and comprising: be installed on the inboard articulating receiver 1 of supporting plate 3 (fixed component), described supporting plate 3 (fixed component) is attached to the Sewing machines pedestal (work supporting platform seat) of Sewing machines (sewing device); Support 4, described support 4 is fixed to the flange 31 of supporting plate 3; Bobbin case 2, described bobbin case 2 inserts in the articulating receiver 1; And needle plate 5, described needle plate 5 is fixed to the upper surface 4a of support 4.
Bobbin case 2 comprises peg or spindle accommodation section 23, in Fig. 1, and the last side opening of described peg or spindle accommodation section 23, thus hold the peg or spindle that is wound with bobbin thread on it.The part of the upper side wall of peg or spindle accommodation section 23 is cut and forms thin shape, removes portion 22 thereby obtain peg or spindle.Form the ledge surface 29 that contacts with the conduit surface 11 of articulating receiver 1 and be formed at bobbin case 2 outer surface 28b.Outer surface 28b forms the interior perimeter surface 28a perpendicular to bobbin case 2.Peg or spindle is perimeter surface 28a in the axial pars intermedia place of bobbin case 2 is contained in.What jut 21 was formed at outer surface 28b removes the part of the connecting portion between portion 22 and the peg or spindle accommodation section 23 towards peg or spindle.So what the rake 26 (seeing Fig. 1 and Fig. 3) that comprises rib 26a, 26b, 26c and 26d was formed at outer surface 28b becomes 90 ° part substantially with respect to jut 21 on the being seen clockwise direction as Fig. 1.The radially-outer surface of rib 26a has formed reverse rotation stop surfaces 24 (seeing Fig. 1, Fig. 3 and Fig. 6), the axis of perimeter surface 28a and perpendicular to the direction of feed of feed dog 7 in described reverse rotation stop surfaces 24 is parallel to.Reverse rotation stop surfaces 24 is parallel to the arrow A among Fig. 3.In addition, planar portions 25 (being the part of the uper side surface of bobbin case 2) forms perpendicular to reverse rotation stop surfaces 24.Planar portions 25 is orientated as to be lower than and is formed on peg or spindle and removes upper right quarter portion 22 places, bobbin case 2 (upper right surface element) 27.At this moment, planar portions 25, rake 26 and upper right quarter 27 constitute the uper side surface of bobbin case 2.
Supporting plate 3 is channel shape by being bent to form of board member.In Fig. 1, supporting plate 3 comprises flange 31 in upper left side and place, upper right side.Internal thread 32 is formed at flange 31, thus securing bracket 4.
As shown in Figure 2, support 4 forms by the board member that is bent.Support 4 comprises opening 45 in the center.As the line release portion 44 of rotation condition portion be formed at the rear surface 4b of support 4 as the support portion 40 of the part of edge of opening.Support portion 40 bendings are for being basically perpendicular to rear surface 4b.Support portion 40 comprises direction of rotation support portion 42 that is used as rotation condition portion and the vertical direction support portion 41 that is used as guiding section.In Fig. 2, direction of rotation support portion 42 is arranged at the right side (being the side surface at place, sewing device front side) in the support portion 40, thereby perpendicular to rear surface 4b.Vertical direction support portion 41 is formed at the lower surface perpendicular to direction of rotation support portion 42 (lower surface that promptly is parallel to rear surface 4b) of support 4.In addition, elongated hole 46 is opened on rear surface 4b near direction of rotation support portion 42.So vertical direction supplemental support portion 43 (seeing the dash area among Fig. 2) is formed at the edge of rear surface 4b along the longitudinal direction of elongated hole 46.
Vertical direction support portion 41 forms by this way and locatees: the planar portions 25 of bobbin case 2 can be being tilted to side direction it be tilted in the space of formation between the conduit surface 11 that downside inserts vertical direction support portion 41 and articulating receiver 1 from opening 45 of (see figure 3) on the arrow A direction.That is, according to present embodiment, vertical direction support portion 41 is formed at the distal part of the periphery edge of opening 45 on the direction that bobbin case 2 inserts.
Vertical direction supplemental support portion 43 forms by this way and locatees: the rake 26 of bobbin case 2 can be being tilted to side direction it be tilted in the space of formation between the conduit surface 11 that downside inserts vertical direction supplemental support portion 43 and articulating receiver 1 from opening 45 of (see figure 3) on the arrow A direction.That is, according to present embodiment, vertical direction supplemental support portion 43 is formed at the nearer part of the periphery edge of opening 45 on the direction that bobbin case 2 inserts.
As shown in Figure 1, needle plate 5 comprises: opening 51, described opening 51 basic one-tenth U-shapeds; Hole 52, needle plate hold-down screw 53 inserts in the described hole 52; And a plurality of open slots 54 that are used for feed dog 7.Needle plate 5 also comprises bobbin case retainer 6.In Fig. 1, an end of bobbin case retainer 6 (being base portion) is attached or be fixed to the rear surface 5b (lower surface) of needle plate 5, and the other end of bobbin case retainer 6 (i.e. the free end that separates with the rear surface 5b of preset distance and needle plate 5) is positioned out in 51 simultaneously.Be installed at needle plate 5 under the situation of support 4, the other end of bobbin case retainer 6 extends above the upper right quarter 27 of bobbin case 2.As shown in Figure 6, at this moment, ideally, the other end of bobbin case retainer 6 extends beyond the outward flange of upper right quarter 27, the outward flange of described upper right quarter 27 be positioned out 45 the inner surface 45a that is formed at its front side near.Bobbin case retainer 6 is set to the moving upward of bobbin case 2 in the bobbin case accommodation section 13 of inserting articulating receiver 1 retrained.In addition, bobbin case retainer 6 comprises that elasticity is to push bobbin case 2.And bobbin case retainer 6 can form and be fixed to removedly the rear surface 5b of needle plate 5 dividually with needle plate 5.Bobbin case retainer 6 can be long element that is made of metal and the rear surface 5b that is fixed to needle plate 5 with cantilevered fashion.
Next, with reference to Fig. 1, Fig. 3, Fig. 5 and Fig. 6 the assembly program that bobbin case removes with attachment mechanism 10 is made an explanation.
As shown in Figure 1, articulating receiver 1 is installed on the supporting plate 3 of the Sewing machines pedestal that is fixed to sewing device and is connected to its main shaft, the counter clockwise direction of described main shaft when the upside from Fig. 1 is observed makes 1 rotation of articulating receiver.Then, make internal thread 32 engagements of support limit screw 48 and the flange 31 that is formed at supporting plate 3 in the hole 47 of inserting support 4, thereby support 4 is fixed to flange 31.
Hereinafter, as shown in figures 1 and 3, orientate as under the state that is basically parallel to arrow A at the reverse rotation stop surfaces 24 of bobbin case 2, make bobbin case 2 on the arrow A direction from support 4 open 45 be tilted to upside (according to embodiment, from tilt to the right and to upside) towards open 45 be tilted to downside (according to embodiment, towards tilt left and to downside) move, make bobbin case 2 insert in the bobbin case accommodation section 13 of articulating receivers 1.At this moment, bobbin case 2 is only on the arrow A direction in Fig. 3, that is, open 45 the side direction that is tilted to certainly and be tilted to downside, inserts in the articulating receiver 1, and this point will be explained hereinafter in detail.
As shown in Figure 1 and Figure 4, after bobbin case 2 inserts in the articulating receiver 1, needle plate 5 is attached to the upper surface 4a of support 4.Make needle plate hold-down screw 53 and internal thread 49 engagements (seeing Fig. 1 and Fig. 2) in the hole 52 of inserting needle plate 5, thereby needle plate 5 is fixed to support 4.Consequently, finish bobbin case and removed assembling with attachment mechanism 10.At needle plate 5 after support 4 removes, bobbin case 2 can by be pulled to out 45 be tilted to upside (according to embodiment, be pulled to inclination to the right with to upside), particularly, on the arrow B (see figure 3) direction opposite, be pulled with arrow A, and remove from the bobbin case accommodation section 13 of articulating receiver 1, this point will make an explanation hereinafter.
Be installed on articulating receiver 1 bobbin case accommodation section 13 bobbin case 2 and be arranged at articulating receiver 1 and the bobbin case retainer 6 of needle plate 5 between position relation as described below.As Fig. 1 and shown in Figure 5, the ledge surface 29 of bobbin case 2 is placed on the top on conduit surface 11 of articulating receiver 1 or can contacts with the top on the conduit surface 11 of articulating receiver 1.At this moment, form the gap between the upper right quarter 27 of bobbin case 2 and the basal surface 6b of bobbin case retainer 6, make needlework easily pass this gap.Near part that the upper right quarter 27 of bobbin case 2 can contact with the basal surface 6b of bobbin case retainer 6, the vertical motion of bobbin case 2 is restricted to the size range in the gap of needle thread passing, thereby the vertical motion of bobbin case 2 is retrained.In addition because contacting between the conduit surface 11 of the ledge surface 29 of bobbin case 2 and articulating receiver 1, bobbin case 2 move downward the constraint that is subjected to conduit surface 11.
As Fig. 3, Fig. 4 and shown in Figure 6, the gap of needle thread passing is formed between the line release portion 44 of the jut 21 of bobbin case 2 and support 4.Therefore, jut 21 at bobbin case 2 forms under the situation about contacting with line release portion 44, the size in the gap that bobbin case 2 rotatablely moving on the counter clockwise direction when the upside of bobbin case 2 is observed is restricted to needle thread passing, thereby constraint bobbin case 2 rotatablely moving in the counterclockwise direction.
As Fig. 3 and shown in Figure 6, the gap of needle thread passing is formed between the direction of rotation support portion 42 of the reverse rotation stop surfaces 24 of bobbin case 2 and support 4.Therefore, reverse rotation stop surfaces 24 at bobbin case 2 forms under the situation about contacting with direction of rotation support portion 42, the size in the gap that bobbin case 2 rotatablely moving on the clockwise direction when the upside of bobbin case 2 is observed is restricted to needle thread passing, thus bobbin case 2 rotatablely moving in the clockwise direction retrained.
As Fig. 1 and shown in Figure 6, the gap of needle thread passing is formed between the vertical direction support portion 41 of the planar portions 25 of bobbin case 2 and support 4.Therefore, planar portions 25 at bobbin case 2 contacts (promptly with 41 formation of vertical direction support portion, vertical direction support portion 41 contacts with the part of bobbin case 2 uper side surfaces) situation under, near bobbin case 2 moving upward vertical direction support portion 41 is restricted to the size range in gap, thereby moving upward of bobbin case 2 retrained.
As Fig. 1 and shown in Figure 6, the gap of needle thread passing is formed between the vertical direction supplemental support portion 43 of the rake 26 of bobbin case 2 and support 4.Therefore, form under the situation about contacting with vertical direction supplemental support portion 43 at the rake 26 of bobbin case 2, near bobbin case 2 moving upward vertical direction supplemental support portion 43 is restricted to the size in gap, thereby moving upward of bobbin case 2 retrained.
Therefore, bobbin case 2 keeps with the contacting of three parts of bobbin case 2 respectively by the basal surface 6b of bobbin case retainer 6, the vertical direction support portion 41 of support 4 and the vertical direction supplemental support portion 43 of support 4 at the operating position that makes progress upward.Bobbin case 2 contacting between the conduit surface 11 of the ledge surface 29 of the operating position on the downward direction by bobbin case 2 and articulating receiver 1 keeps.Bobbin case 2 the operating position on the direction of rotation by between reverse rotation stop surfaces 24 and the direction of rotation support portion 42 contact and jut 21 and line release portion 44 between contact and keep.
Usually, in the sewing device with articulating receiver, bobbin case at first positions with respect to the articulating receiver.The position of bobbin case on direction of rotation limits by align member, thereby bobbin case is arranged in the operating position that is suitable for forming stitching.Under the velveteen that in removing the articulating receiver, gathers or the situation of waste material, bobbin case is removed from the articulating receiver, make it possible to remove velveteen or waste material.After removing velveteen or waste material, bobbin case is attached to the precalculated position at articulating receiver place once more again.Bobbin case according to present embodiment removes and attachment mechanism 10, and in the mode identical with known articulating receiver, bobbin case 2 removes from the bobbin case accommodation section 13 of articulating receiver 1, thus velveteen or waste material in the bobbin case accommodation section 13 of removing articulating receiver 1.After bobbin case accommodation section 13 had been carried out settling accounts, the bobbin case 2 that is removed should be attached to the scheduled operation position of articulating receiver 1 again.Removing with attached of bobbin case 2 carried out as described below.
In order to settle accounts the bobbin case accommodation section 13 of articulating receiver 1, needle plate hold-down screw 53 is turned on by the screwdriver that is attached to sewing device, thereby removes needle plate 5 from support 4.As shown in Figure 3, in case needle plate 5 is removed, the whole substantially top of the bobbin case 2 that is hidden by needle plate 5 half visually is certifiable.Bobbin case 2 is drawn out to the upside that is tilted to of opening 45, promptly is drawn out on the arrow B direction, thereby bobbin case 2 is removed from bobbin case accommodation section 13.Velveteen or waste material in the articulating receiver 1 are removed, and settle accounts thereby finish.Removing of bobbin case 2 is attainable on aforementioned direction (being the arrow B direction) only.
After having settled accounts bobbin case accommodation section 13, bobbin case 2 is attached to the precalculated position at articulating receiver 1 place again, and this rear faller 5 is attached to support 4.Under the situation in the precalculated position that bobbin case 2 is attached to again articulating receiver 1, bobbin case 2 is tilted to downside in the side shifting that is tilted to from opening 45 on the arrow A direction to it, thereby bobbin case 2 is inserted to the bobbin case accommodation section 13 of articulating receiver 1.Because shape and the vertical direction support portion 41 of support 4 and the shape of direction of rotation support portion 42 of jut 21, reverse rotation stop surfaces 24 and the planar portions 25 of bobbin case 2, this insertion is attainable.Therefore, bobbin case 2 is attached to again and is removed previous position before, promptly is attached to the scheduled operation position at 13 places, bobbin case accommodation section again.The insertion of bobbin case 2 (attached) is attainable on aforementioned direction (being the arrow A direction) only.Particularly, bobbin case 2 is with respect to the direction of insertion of articulating receiver 1 with remove direction and be restricted to from the arrow A direction that is tilted to upside of opening 45 respectively and be subject to the arrow B direction that is tilted to upside to opening 45.
That is, according to first the way of restraint, the gap that needlework pass easily is formed between the line release portion 44 of the jut 21 of bobbin case 2 and support 4.The rotation of bobbin case 2 is constrained within the size in gap of needle thread passing.Bobbin case 2 contacting between the line release portion 44 of the jut 21 of the rotation on the counter clockwise direction when the upside of bobbin case 2 is observed by bobbin case 2 and support 4 retrains.
According to second the way of restraint, the gap that needlework pass easily is formed between the direction of rotation support portion 42 of support portion 40 of the reverse rotation stop surfaces 24 of bobbin case 2 and support 4.The rotation of bobbin case 2 is constrained within the size in gap of needle thread passing.Bobbin case 2 contacting between the direction of rotation support portion 42 of the reverse rotation stop surfaces 24 of the rotation on the clockwise direction when the upside of bobbin case 2 is observed by bobbin case 2 and the support portion 40 of support 4 retrains.According to first and second the way of restraint, the position of bobbin case 2 on direction of rotation suffers restraints, and therefore the direction in the bobbin case accommodation section 13 of bobbin case 2 insertion articulating receivers 1 is restricted to the arrow A direction.
According to the 3rd the way of restraint, the planar portions 25 of bobbin case 2 is configured to make gap that needlework pass easily to form with respect to the vertical direction support portion 41 of the support portion 40 of support 4.Therefore, near bobbin case 2 moving upward vertical direction support portion 41 is restricted to the size in the gap of needle thread passing.As Fig. 1 and shown in Figure 6, the planar portions 25 of bobbin case 2 forms with the vertical direction support portion 41 of the support portion 40 of support 4 and contacts, and bobbin case 2 removes and be attached to the upside that is tilted to that the direction of bobbin case accommodation section 13 is restrained to opening 45 from bobbin case accommodation section 13.As a result, planar portions 25 is inserted in the space that forms between the conduit surface 11 of vertical direction support portion 41 and articulating receiver 1.
According to the 4th the way of restraint, the rake 26 of bobbin case 2 is configured to make gap that needlework pass easily to form with respect to the vertical direction supplemental support portion 43 of support 4.Near bobbin case 2 moving upward vertical direction supplemental support portion 43 is restricted to the size in gap.Rake 26 forms with the vertical direction supplemental support portion 43 of support 4 and contacts, and bobbin case 2 removes and be attached to the upside that is tilted to that the direction of bobbin case accommodation section 13 is restrained to opening 45 from bobbin case accommodation section 13.As a result, rake 26 inserts in the space that forms between the conduit surface 11 of vertical direction supplemental support portion 43 and articulating receiver 1.According to third and fourth the way of restraint, under bobbin case 2 inserted situation in the bobbin case accommodation section 13 of articulating receivers 1, the direction of insertion of bobbin case 2 in the vertical directions was constrained to and is tilted to its inclined underside of side direction from opening 45.According to first to fourth the way of restraint, bobbin case 2 to the insertion of articulating receiver 1 is restrained to being tilted to side direction it is tilted to the arrow A direction of downside from opening 45.In an identical manner, the direction that removes of bobbin case 2 is restrained under being tilted to of opening 45 side direction it is tilted to the arrow B direction of upside.
According to present embodiment, can use the 3rd the way of restraint or the 4th the way of restraint.Under a kind of situation in selecting the 3rd the way of restraint and the 4th the way of restraint, because according to the 3rd the way of restraint, contact is to obtain by two surfaces parallel to each other, and according to the 4th the way of restraint, contact is to obtain by two surfaces that intersect each other, therefore compare the 4th the way of restraint, the 3rd the way of restraint is more desirable.But bobbin case 2 is that increase by vertical direction supplemental support portion 43 obtains in the further fastening maintenance of the operating position that makes progress upward.Under the situation of having selected the 4th the way of restraint from third and fourth the way of restraint, vertical direction supplemental support portion 43 replaces vertical direction support portion 41 as guiding section.
According to aforementioned first to fourth the way of restraint, under the state that articulating receiver 1 removes, the bobbin case 2 in the bobbin case accommodation section 13 of inserting articulating receiver 1 can obtain bobbin case and remove and attachment mechanism 10 when it remove at needle plate 5.In addition, bobbin case 2 can insert in the scheduled operation position at 13 places, bobbin case accommodation section.Therefore, the user easily inserts bobbin case 2 or be attached to the scheduled operation position in the articulating receiver 1 and removes bobbin case 2 from articulating receiver 1.As a result, remove and attachment mechanism 10 according to the bobbin case of embodiment, can be suppressed at that bobbin case 2 occurs under the situation of scheduled operation displacement owing to stopping broken string that cause in the needlework path etc., thereby realize suitable stitching.
In sewing manipulation, vibration produces constantly, thereby makes bobbin case 2 from the scheduled operation displacement.In addition, when carrying or carry sewing device,, vibration etc. are used to make the power of bobbin case 2 from the scheduled operation displacement because may producing.Under the situation that produces aforementioned vibration or power, because the vertical direction support portion 41 of the support portion 40 of the basal surface 6b of bobbin case retainer 6, support 4 and the conduit surface 11 of vertical direction supplemental support portion 43 and articulating receiver 1, the motion of bobbin case 2 in the vertical directions are constrained within the size in gap of needle thread passing.Therefore, bobbin case 2 is confined to not to be moved into from conduit surface 11 and is positioned on the upper surface 12---wherein bobbin case 2 is settled by described conduit surface 11, and jut 21 is constrained for not the top forced engagement with line release portion 44.
And owing to the constraint of being undertaken by bobbin case retainer 6 and aforementioned first to fourth the way of restraint to upwards moving, the bobbin case 2 that inserts in the articulating receiver 1 remains in the scheduled operation position, and the gap of needle thread passing is guaranteed simultaneously.Consequently, remove and attachment mechanism 10,, thereby form suitable stitching for example because the gap that reduces and the sewing faults such as broken string that may cause are inhibited according to the bobbin case of embodiment.
And vertical direction support portion 41 and direction of rotation support portion 42 are to form by the part bending downwards with the support portion 40 at the edge of opening place of support 4.Line release portion 44 is that the barrier structure by the rear surface 4b that is fixed to support 4 forms.Planar portions 25, reverse rotation stop surfaces 24 and jut 21 are can be formed at bobbin case 1 with the mode that vertical direction support portion 41, direction of rotation support portion 42 and line release portion 44 contact respectively.In addition, upper right surface element 37 is formed at bobbin case 2, thereby contacts with bobbin case retainer 6 formation that are fixed to needle plate 5.Therefore, bobbin case is removed with the structure of attachment mechanism 10 simplify, thereby realized the cost reduction.
Claims (8)
1. a bobbin case that is used for the articulating receiver removes and attachment mechanism (10), comprising:
Articulating receiver (1), described articulating receiver (1) are arranged in the work supporting platform seat that is used for sewing device and can rotate around the axis (Z) of described articulating receiver (1);
Bobbin case (2), described bobbin case (2) inserts and is formed in the bobbin case accommodation section (13) of described articulating receiver (1) described bobbin case accommodation section (13) upward opening;
Support (4), described support (4) is installed on the fixed component (3) that is arranged in described work supporting platform seat place and comprises opening (45), when described bobbin case (2) be inserted to described bobbin case accommodation section (13) or from described bobbin case accommodation section (13) when removing described bobbin case (2) by described opening (45); And
Needle plate (5), described needle plate (5) is attached to the top of described support (4) and seals at least a portion of the opening (45) of described support (4), described needle plate (5) comprises bobbin case retainer (6), described bobbin case retainer (6) constraint is inserted in the described bobbin case accommodation section (13) and is arranged in the moving upward of described bobbin case (2) of its operating position, wherein
Be attached under the state of described support (4) at described needle plate (5), the described bobbin case (2) that inserts in the described bobbin case accommodation section (13) remains in operating position, and the motion of described bobbin case (2) simultaneously is by described support (4) and described bobbin case retainer (6) constraint; And
Remove and described support (4) is fixed under the state of described fixed component (3) from described support (4) at described needle plate (5), described bobbin case (2) removes or is attached to described bobbin case accommodation section (13) from described bobbin case accommodation section (13).
2. bobbin case as claimed in claim 1 removes and attachment mechanism (10), wherein, described support (4) comprises rotation condition portion (42,44) and guiding section (41), described rotation condition portion (42,44) retrain the direction of insertion of described bobbin case (2) and retrain the rotation of described bobbin case (2), and described guiding section (41) inserts under the situation in the described bobbin case accommodation section (13) to form with the part of the uper side surface of described bobbin case (2) at described bobbin case (2) and contacts, and retrain moving upward of described bobbin case (2), and, each gap that needlework passed is respectively formed between described rotation condition portion (42,44) and the described bobbin case (2) and between described guiding section (41) and the described bobbin case (2).
3. bobbin case as claimed in claim 2 removes and attachment mechanism (10), and wherein, described guiding section (41) forms by the part of the edge of the opening (45) of the downward described support of bending (4).
4. bobbin case as claimed in claim 1 removes and attachment mechanism (10), and wherein, described bobbin case retainer (6) has elasticity to push described bobbin case (2).
5. bobbin case as claimed in claim 4 removes and attachment mechanism (10), and wherein, described bobbin case retainer (6) and described needle plate (5) are individually formed and are fixed to removedly the lower surface (5b) of described needle plate (5).
6. bobbin case as claimed in claim 5 removes and attachment mechanism (10), and wherein, described bobbin case retainer (6) is long element that is made of metal and the lower surface (5b) that is fixed to described needle plate (5) with cantilevered fashion.
7. bobbin case as claimed in claim 4 removes and attachment mechanism (10), wherein, described bobbin case retainer (6) is individually formed with described needle plate (5), described bobbin case retainer (6) comprises base portion and free end, described base portion is fixed to the lower surface (5b) of described needle plate (5), and described free end separates with the lower surface (5b) of preset distance with described needle plate (5).
8. bobbin case as claimed in claim 7 removes and attachment mechanism (10), and wherein, described bobbin case retainer (6) is made of metal.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010028450A JP5696363B2 (en) | 2010-02-12 | 2010-02-12 | Horizontal hook inner hook attachment / detachment mechanism |
| JP2010-028450 | 2010-02-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102162179A true CN102162179A (en) | 2011-08-24 |
| CN102162179B CN102162179B (en) | 2013-03-27 |
Family
ID=44063809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110037655.2A Expired - Fee Related CN102162179B (en) | 2010-02-12 | 2011-02-11 | Bobbin case removing and attaching mechanism for loop taker |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2357273B1 (en) |
| JP (1) | JP5696363B2 (en) |
| CN (1) | CN102162179B (en) |
| AT (1) | ATE550471T1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013202147A (en) | 2012-03-28 | 2013-10-07 | Brother Ind Ltd | Sewing machine module and sewing machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3587494A (en) * | 1970-03-04 | 1971-06-28 | Singer Co | Control mechanisms for bobbin thread replenishing apparatus |
| US3693565A (en) * | 1971-04-20 | 1972-09-26 | Singer Co | Lockstitch loop takers for sewing machines |
| JPS5738278B2 (en) * | 1978-07-03 | 1982-08-14 | ||
| US4355590A (en) * | 1979-07-09 | 1982-10-26 | The Singer Company | Variable bobbin thread control for lockstitch looptaker |
| US4380961A (en) * | 1981-03-23 | 1983-04-26 | The Singer Company | Variably controllable bobbin thread pull-off mechanism |
| JP3014478B2 (en) * | 1991-04-03 | 2000-02-28 | 花王株式会社 | Agricultural and horticultural biocide potency enhancer |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3416472A (en) * | 1967-04-26 | 1968-12-17 | Singer Co | Construction of bobbin case rotation restraining means |
| JPS5313462U (en) * | 1976-07-17 | 1978-02-03 | ||
| JPS6038476Y2 (en) * | 1981-08-12 | 1985-11-16 | ブラザー工業株式会社 | Horizontal pot opening/closing device |
-
2010
- 2010-02-12 JP JP2010028450A patent/JP5696363B2/en not_active Expired - Fee Related
-
2011
- 2011-02-08 AT AT11001023T patent/ATE550471T1/en active
- 2011-02-08 EP EP11001023A patent/EP2357273B1/en not_active Not-in-force
- 2011-02-11 CN CN201110037655.2A patent/CN102162179B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3587494A (en) * | 1970-03-04 | 1971-06-28 | Singer Co | Control mechanisms for bobbin thread replenishing apparatus |
| US3693565A (en) * | 1971-04-20 | 1972-09-26 | Singer Co | Lockstitch loop takers for sewing machines |
| JPS5738278B2 (en) * | 1978-07-03 | 1982-08-14 | ||
| US4355590A (en) * | 1979-07-09 | 1982-10-26 | The Singer Company | Variable bobbin thread control for lockstitch looptaker |
| US4380961A (en) * | 1981-03-23 | 1983-04-26 | The Singer Company | Variably controllable bobbin thread pull-off mechanism |
| JP3014478B2 (en) * | 1991-04-03 | 2000-02-28 | 花王株式会社 | Agricultural and horticultural biocide potency enhancer |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5696363B2 (en) | 2015-04-08 |
| ATE550471T1 (en) | 2012-04-15 |
| JP2011161073A (en) | 2011-08-25 |
| CN102162179B (en) | 2013-03-27 |
| EP2357273B1 (en) | 2012-03-21 |
| EP2357273A1 (en) | 2011-08-17 |
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Effective date of registration: 20200311 Address after: Osaka Japan Patentee after: Jijia International Co.,Ltd. Address before: Kariya City, Aichi Prefecture, Japan Patentee before: AISIN SEIKI Kabushiki Kaisha |
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