CN107841834A - The line maintaining body of sewing machine - Google Patents
The line maintaining body of sewing machine Download PDFInfo
- Publication number
- CN107841834A CN107841834A CN201610830087.4A CN201610830087A CN107841834A CN 107841834 A CN107841834 A CN 107841834A CN 201610830087 A CN201610830087 A CN 201610830087A CN 107841834 A CN107841834 A CN 107841834A
- Authority
- CN
- China
- Prior art keywords
- holder
- jig arm
- line
- maintaining body
- opening portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B47/00—Needle-thread tensioning devices; Applications of tensometers
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The present invention relates to a kind of line maintaining body of sewing machine, opening portion and stopper are mainly formed by line keeper, and by suture insertion opening portion, separately the first jig arm is formed with the first holder to close opening portion, the second jig arm corresponding with the first jig arm is formed with the second holder again, and elastic component is provided between two holders, wherein, first holder and the second holder are driven device drive, sequentially by initial position, move back and forth between clip position and ejected position, in moving process, second holder is promoted by stopper contacts common clamping suture with the first jig arm, subsequent first holder is fastened by stop block, so that two jig arm separate again.The present invention ensures that the first holder moves to ejected position by initial position with unitary elasticity part, and can ensure that the second holder returns to initial position by ejected position, and the number of components for using simplified line maintaining body reaches reduction in bulk.
Description
Technical field
The present invention relates to the line maintaining body that a kind of sewing action starts to clamp in suture, and it is single to particularly relate to a kind of application
Elastic component simplifies the sewing machine thread maintaining body of the number of components.
Background technology
Sewing machine is mainly combined several layers of cloth by suture sewing, and either the cloth of sewing clothes article is either
The sewing machine of sewing leather object, the stub of withdrawal of needle is may require that for the industrial sewing machines with automatic tangent function
An appropriate scope is preferably must be held in, avoids suture by disengaging pin hole, is stressing the stub of control withdrawal of needle more accurately bar
Under part, then need to include a line holding meanss, to obtain stable sewing quality.
Wherein, the line holding meanss are when suture needle proceeds by sewing action, and the initiating terminal of suture can be allowed to be clamped in
Below cloth, and after predetermined pin number action, clamped suture can be smoothly opened, however, general line holding meanss
Generally all it is the mechanical component for being provided with many other positions near the position installed, such as：Rotary shuttle mechanism and tangent line
Mechanism, therefore, how thread holding device to be designed to be precisely accomplished action, and limited space can be put into, be
The emphasis of sewing machine demand.
The thread holding device of No. CN101845723 disclosed sewing machine of Chinese invention patent notification number is referred to, it is described
The grip unit of thread holding device include the first hold assembly, the second hold assembly, support member, linkage action unit with
And the part of on-off action unit five.
Wherein, first hold assembly is provided with a capture unit, an opening-closing plate, an installation portion, a bracket part and one
Through hole, the bracket part is provided with a preloading spring being connected with opening-closing plate, and one is set in the through hole as linkage
The extension spring of motor unit, and by the extension spring be connected to the first hold assembly and the second hold assembly it
Between；In addition, second hold assembly includes front side member and back side components two parts, the front side member passes through a connection
Body can mutually hold rotation with the back side components, and the back side components are connected with the opposite side of the extension spring, and hold
Continuous application allows the back side components and through hole pretightning force close toward each other.
However, the line holding meanss are connected on the different component of whole grip unit using two springs, increase
Added the number of components of line holding meanss, and the volume for causing line keeper increased, in addition, the first hold assembly and
The structure pattern of second hold assembly is complicated, the cost increase for causing component to be processed into.
The content of the invention
To solve the technical problem, it is an object of the invention to：One kind is provided using unitary elasticity part to simplify component
The line maintaining body of quantity, can effectively reduce the volume size of line maintaining body, and reduce the making of whole line maintaining body
Cost.
The secondary objective of the present invention is that between two holders and line keeper of line maintaining body be pivotally
Cooperate, limited assembling space can be made full use of to complete the actuating length of clamp and unwrapping wire.
To realize the purpose, the technical solution adopted in the present invention is：A kind of line maintaining body of sewing machine, comprising：
One supporting plate, there is one first axis hole and a stop block；
One line keeper, be pivotally connected with first axis hole, provided with one present the opening portion of arc shape, one second axis hole and
One stopper, a suture insertion being connected with suture needle is available in the opening portion；
One first holder, it is pivotally connected with second axis hole, provided with first jig arm for being resisted against the opening portion so that
Closed state is presented in the opening portion；
One second holder, it is pivotally connected with first axis hole, provided with second jig arm corresponding with first jig arm, and
It can be promoted by the stopper of the line keeper so that second jig arm can contact with each other with first jig arm, by institute
It is clamping between second jig arm and the first jig arm to state suture；
One drive device, first holder and the second holder is driven sequentially to insert the opening portion in the suture needle
An initial position, between a clip position of the clamping suture and the ejected position away from the initial position back and forth
It is mobile；And
One elastic component, it is installed between first holder and second holder, can ensure that first folder
Gripping member moves to the ejected position by the initial position, and can ensure that second holder returns to institute by the ejected position
State initial position；
Wherein, when first holder and the second holder move from the clip position to the ejected position,
The stop block fastens first holder so that the opening portion and first jig arm are disconnected from each other.
The line maintaining body of described sewing machine, the elastic component are installed in first holder and second folder
Between gripping member, and the elastic component is able to ensure that first holder moves to the ejected position by the initial position, and
It can ensure that second holder returns to the initial position by the ejected position.
The line maintaining body of described sewing machine, in a preferred embodiment, the drive device drives the line to keep
Part and the first holder enter horizontal deflection；The line keeper has the constant fixation axle center in a position, first holder
With a movable axle center moved along arc path, and second holder is equally carried out partially along the fixed axle center
Turn.
The line maintaining body of described sewing machine, in the initial position, the stopper of the line keeper and described the
Have one to open distance between two holders, and the line maintaining body can further include an adjustment for being capable of relative displacement
Part, the adjustment part are resisted against second holder, and to adjust the opening apart from size.
The line maintaining body of described sewing machine, the bottom surface of the supporting plate are provided with the backstop of an adjacent accommodating opening
Block, first holder is fastened by the stop block.Wherein, the line keeper and the second holder are hubbed at the branch
The top surface of fagging, and first holder is located at the top surface of the supporting plate, and filled simultaneously with the line keeper and driving
Put mutual pivot joint.First holder is provided with a blocking arm again, and the blocking arm forms a height gap with first jig arm, and
Positioned at the basal surface position of the supporting plate, and can be in contact with the stop block.
The line maintaining body of described sewing machine, the line keeper are further provided with a supporting part, the supporting part shape
Cheng Youyi is highly less than the flange of the opening portion, and the clip position is moved to by the ejected position in first jig arm
When, first jig arm is shored by the flange, and is maintained at identical height and position with the opening portion.
Compared with prior art, using the technical scheme the advantage of the invention is that：Connected by the elastic component
Between first holder and second holder, allow the elastic component can be respectively to described on diverse location
One holder acts with second holder, is moved in initial position in the action process of ejected position, the bullet
Property part first holder can be driven to produce a torsion clockwise, and be back to the dynamic of initial position in ejected position
During work, the elastic component can drive second holder to produce a counterclockwise torsion.It can so allow two folders
It is pivotally to cooperate between gripping member and line keeper, limited assembling space can be made full use of to complete clamp
And the actuating length of unwrapping wire, and the number of components can be simplified really, effectively reduce the volume of single unit system.
Brief description of the drawings
Fig. 1 is the local decomposing schematic representation of sewing machine base of the present invention；
Fig. 2 is the stereogram of line maintaining body of the present invention；
Fig. 3 is the exploded view of Fig. 2 line maintaining bodies；
Fig. 4 A are the stereogram that line maintaining body is located at initial position；
Fig. 4 B are the top view that line maintaining body is located at initial position；
Fig. 5 A are the stereogram that line maintaining body is located at clip position；
Fig. 5 B are the top view that line maintaining body is located at clip position；
Fig. 6 A are the stereogram that line maintaining body is located at ejected position；
Fig. 6 B are the top view that line maintaining body is located at ejected position；
Fig. 7 is the schematic diagram that adjustment part changes relative position.
Description of reference numerals：1- line maintaining bodies；10- suture needles；11- sutures；2- bases；20- base constructions；21- devices
Space；22- needle plates；23- perforates；3- supporting plates；30- holding areas；31- drive areas；The slotted eyes of 32- first；33- first axles
Hole；34- stop blocks；35- resigning grooves；The slotted eyes of 36- second；The pivot hole of 37- first；38- screw holes；4- line keepers；40- first
Articulated section；41- opening portions；42- supporting parts；421- flanges；43- stoppers；The axis holes of 44- second；The holders of 5- first；50- first
Jig arm；51- blocking arms；52- hooks arm；The holders of 6- second；The articulated sections of 60- second；The jig arm of 61- second；62- resisted positions；63- is hooked
Portion；7- drive devices；71- oscillating rods；72- connecting rods；73- mobile bars；8- elastic components；9- adjustment parts.
Embodiment
The present invention is further described with reference to specific embodiments and the drawings, advantages of the present invention and feature will be with
Description and it is apparent.
Refer to shown in Fig. 1, line maintaining body 1 of the present invention is located inside the base 2 of a sewing machine, before the base 2
End forms a base construction 20 that substantially tubular is presented, and a device space 21, the dress are formed on the top of the base construction 20
21 tops are provided with the needle plate 22 that a formation perforate 23 enters for suture needle 10 (ginseng Fig. 4 A, 5A, 6A) between being empty, and the line is kept
Mechanism 1 is arranged in described device space 21, when enter in described device space 21 first pin of the suture needle 10 since sewing to
Regulation pin number fall pin untill, the end of a thread end of a suture 11 can be maintained at the pin by the line maintaining body 1 in sewing process
The bottom surface of plate 22.
Refer to shown in Fig. 2 and Fig. 3, line maintaining body 1 of the present invention includes a supporting plate 3, a line keeper 4,1
Seven parts such as one holder 5, one second holder 6, a drive device 7, an elastic component 8 and an adjustment part 9.
Formed with a holding area 30 and a drive area 31 in the supporting plate 3, the holding area 30 formed with
One is located therein the of relative displacement for the line keeper 4, the first holder 5, the second holder 6 and elastic component 8 four
One slotted eye 32 and one coordinates the first axis hole 33 that the holder 6 of line keeper 4 and second is pivotally connected, and first slotted eye 32
Side is provided with a stop block 34 extended downwardly by bottom surface, and the drive area 31 is formed with a resigning groove 35, one second groove
Hole 36, one first pivot hole 37 and a screw hole 38.
The line keeper 4 has first articulated section 40 for being assembled in the top surface of the first axis hole 33, first pivot
Socket part 40 extends towards the outside of supporting plate 3, and protrudes the supporting plate 3 and form an opening portion 41 that arc shape is presented, and
A supporting part 42, a stopper 43 and one second axis hole 44, the branch are provided between the articulated section 40 of opening portion 41 and first
Flange 421 of the support part 42 towards the outside of supporting plate 3 one height of formation less than the opening portion 41, and the direction of the stopper 43
The position of first slotted eye 32 extension, and vertically it is bent to form a longitudinal projection.
First holder 5 is located at the top surface of the supporting plate 3, and with the phase of the second axis hole 44 of the line keeper 4
Connect, there is first jig arm 50 formed towards the outside of supporting plate 3, and it is described to allow first jig arm 50 to be resisted against
Opening portion 41, it may be such that closed state is presented in the opening portion 41.In addition, first holder 5 is additionally provided with one positioned at described
The blocking arm 51 and one of the basal surface position of supporting plate 3 is positioned at the hook arm 52 on the side of blocking arm 51, the blocking arm 51 and described first
Jig arm 50 forms a height gap so that the blocking arm 51 can pivot in first holder 5 relative to the line keeper 4
When, it is rocked to the joint of stop block 34 with the supporting plate 3.
Same the second articulated section 60 that the top surface of the first axis hole 33 is assembled in one of second holder 6, and by
Extend one second jig arm 61, the local complexity of the second jig arm 61 towards the outside of supporting plate 3 in second articulated section 60
In the opening portion 41, and a folder with the corresponding pattern of the presentation of the first jig arm 50 is internally formed in the opening portion 41
Block, and second articulated section 60 separately internally extends a resisted position 62 and a hook part 63 towards first slotted eye 32.Institute
Stating resisted position 62 can be promoted by the stopper 43 of the line keeper 4 so that the first jig arm 50 of separation pattern is presented originally
It is closer to each other until contacting with each other by separate location with the second jig arm 61 so that the suture 11 is clamping in second jig arm
61 and first are presented hold mode between jig arm 50.
The drive device 7 is provided with the motor (not shown) and a connection rod set as driving source, and the connection rod set is set
There are an oscillating rod 71, a connecting rod 72 and a mobile bar 73, described one end of oscillating rod 71 is installed on first pivot hole 37, separately
One end is connected with each other by second slotted eye 36 and the connecting rod 72 so that the oscillating rod 71 distinguishes position with connecting rod 72
In the upper and lower two opposite sides of the supporting plate 3, and during the one end of the mobile bar 73 is connected between the both ends of oscillating rod 71
Entreat position, and can the displacement in the range of the resigning groove 35, the other end is connected to the second axis hole of the line keeper 4
44；The other end of the connecting rod 72 is assembled in the motor (not shown) as driving source again, and can drive the swing
Bar 71 carries out the beat displacement of a predetermined angle scope.
The drive device 7 is driving first holder 5 sequentially to be inserted with the second holder 6 in the suture needle 10
An initial position (such as Fig. 4 A) for the opening portion 41, a clip position (such as Fig. 5 A) for the clamping suture 11 and remote institute
State and move back and forth between an ejected position (such as Fig. 6 A) for initial position.
The elastic component 8 be installed in first holder 5 the hook part 63 for hooking arm 52 and second holder 6 it
Between, and in the first slotted eye 32 of the supporting plate 3, as illustrated, the elastic component 8 is set to an extension spring.Furthermore institute
Adjustment part 9 is stated to be installed in the screw hole 38 of the supporting plate 3, and can be between movable adjustment of displacement and second holder 6
Rest position.
Refer to shown in Fig. 4 A and Fig. 4 B, the line maintaining body 1 in the initial position that the drive device 7 drives,
The opening portion 41 of the line keeper 4 is by the effect shape with the first jig arm 50 of first holder 5 by the elastic component 8
Into closing pattern, and the fixture block of second holder 6 is presented one with first jig arm 50 and separates pattern, and the line is kept
Resisted position 62 with second holder 6 is formed an opening distance by the stopper 43 of part 4.
Refer to shown in Fig. 5 A and 5B, the line maintaining body 1 produces one in the mobile bar 73 of the drive device 7 and preset
During the displacement of distance, the line keeper 4 is pulled by the mobile bar 73 simultaneously with the first holder 5, because the line is protected
Gripping member 4 is pivot with the first articulated section 40, and will produce one in the case where the mobile bar 73 pulls turns clockwise,
And first holder 5 is pulled by the elastic force of the elastic component 8, equally can in the case where the mobile bar 73 pulls
Produce one to turn clockwise, therefore, the line keeper 4 will be positively retained under closure state with the first holder 5 and be rotated.
Then, the second jig arm 61 of second holder 6 is contacted against to form clamp state by first jig arm 50,
And then, the resisted position 62 of second holder 6 will be promoted by the synchronization of the stopper 43 so that the line keeper 4,
First holder 5 and the three of the second holder 6 can rotate simultaneously.
Refer to shown in Fig. 6 A and 6B, the line maintaining body 1 drive device 7 mobile bar 73 by Fig. 5 A, 5B position
Put during continuing to move to another opposite end, the blocking arm 51 will contact with the stop block 34 of the supporting plate 3 so that
First holder 5 is stopped the rotation, and the line keeper 4 can still be walked around, and cause second holder 6 by institute
State stopper 43 and support and still provide for rotary motion, now, first jig arm 50 will separate to form relieving state with the second jig arm 61,
In addition, the elastic component 8 will be stretched.
When the drive device 7 is returned in the motion process of the clip position by the ejected position, the elastic component 8
It will ensure that second holder 6 produces a movement counterclockwise, and first jig arm 50 will be by the line keeper 4
Flange 421 is shored, and can ensure that and be maintained at identical height and position with the opening portion 41.Subsequently, if the drive device 7 is by institute
When stating the clip position return initial position, it is counterclockwise that the second holder 6 described in the elastic component 8 still continuous action produces one
Torsion.
Observe the state that the line maintaining body 1 moves back and forth between initial position, clip position and ejected position
Understand, the line keeper 4 has the constant fixation axle center in a position, and first holder 5 has one along arc path
Mobile movable axle center.
Refer to shown in Fig. 7, the length scale of the opening distance between the stopper 43 and resisted position 62, mainly by
The right position of the adjustment part 9 influences, when the adjustment part 9 is close to the mobile bar 73, then the length of the opening distance
Degree diminishes, so by cause the opening portion 41 covered by second holder 6 after area diminish；Conversely, work as the tune
When one integral piece 9 is away from the mobile bar 73, then the length for opening distance becomes big, will so make it that the opening portion 41 is described
Area after the covering of second holder 6 becomes big.Explanation and embodiment above is only exemplary, not to the scope of the present invention
Form any restrictions.
It will be understood by those skilled in the art that without departing from the spirit and scope of the invention can be to skill of the present invention
The details and form of art scheme are modified or replaced, but these modifications and replacement are each fallen within protection scope of the present invention.
Claims (7)
1. the line maintaining body of a kind of sewing machine, it is characterised in that include：
One supporting plate, there is one first axis hole and a stop block；
One line keeper, it is pivotally connected with first axis hole, provided with opening portion, one second axis hole and the gear that arc shape is presented
Portion, a suture insertion being connected with suture needle is available in the opening portion；
One first holder, it is pivotally connected with second axis hole, provided with first jig arm for being resisted against the opening portion so that described
Closed state is presented in opening portion；
One second holder, it is pivotally connected with first axis hole, provided with second jig arm corresponding with first jig arm, and can be by
Stopper to the line keeper promotes so that second jig arm can contact with each other with first jig arm, by the seam
Wire clamp is solid between second jig arm and the first jig arm；
One drive device, first holder and the second holder is driven sequentially to insert the one of the opening portion in the suture needle
Moved back between one ejected position of initial position, a clip position of the clamping suture and the remote initial position
It is dynamic；And
One elastic component, it is installed between first holder and second holder, can ensure that first holder
The ejected position is moved to by the initial position, and it is described first to can ensure that second holder is returned by the ejected position
Beginning position；
Wherein, it is described when first holder and the second holder move from the clip position to the ejected position
Stop block fastens first holder so that the opening portion and first jig arm are disconnected from each other.
2. the line maintaining body of sewing machine according to claim 1, it is characterised in that：The drive device drives the line
Keeper and the first holder enter horizontal deflection.
3. the line maintaining body of sewing machine according to claim 2, it is characterised in that：The line keeper has a position
Constant fixation axle center, and first holder has a movable axle center moved along arc path.
4. the line maintaining body of sewing machine according to claim 3, it is characterised in that：Second holder equally along
The fixed axle center is deflected.
5. the line maintaining body of sewing machine according to claim 1, it is characterised in that：It is described in the initial position
Have one to open distance between the stopper of line keeper and second holder.
6. the line maintaining body of sewing machine according to claim 5, it is characterised in that：The line maintaining body also includes one
It is capable of the adjustment part of relative displacement, the adjustment part is resisted against second holder, and exists to change the opening distance
The length scale of the initial position.
7. the line maintaining body of sewing machine according to claim 1, it is characterised in that：The line keeper is additionally provided with one
Support part, the supporting part is less than the flange of the opening portion formed with a height, in first jig arm by the ejected position
When being moved to the clip position, first jig arm is shored by the flange, and is maintained at identical height with the opening portion
Spend position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610830087.4A CN107841834B (en) | 2016-09-19 | 2016-09-19 | Thread holding mechanism of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610830087.4A CN107841834B (en) | 2016-09-19 | 2016-09-19 | Thread holding mechanism of sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107841834A true CN107841834A (en) | 2018-03-27 |
| CN107841834B CN107841834B (en) | 2020-01-10 |
Family
ID=61656601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610830087.4A Active CN107841834B (en) | 2016-09-19 | 2016-09-19 | Thread holding mechanism of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107841834B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI747019B (en) * | 2019-08-05 | 2021-11-21 | 曾賢長 | Knitting thread preforce device of sewing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003326060A (en) * | 2002-05-14 | 2003-11-18 | Juki Corp | Sewing machine |
| CN101182671A (en) * | 2006-11-17 | 2008-05-21 | Juki株式会社 | Sewing machine |
| CN101845723A (en) * | 2009-03-24 | 2010-09-29 | Juki株式会社 | Top thread retaining device of sewing machine |
| CN101845724A (en) * | 2009-03-27 | 2010-09-29 | 兄弟工业株式会社 | Sewing machines |
| JP2016144492A (en) * | 2015-02-06 | 2016-08-12 | Juki株式会社 | sewing machine |
| CN206157352U (en) * | 2016-09-19 | 2017-05-10 | 启翔股份有限公司 | Sewing machine's line maintain the body |
-
2016
- 2016-09-19 CN CN201610830087.4A patent/CN107841834B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003326060A (en) * | 2002-05-14 | 2003-11-18 | Juki Corp | Sewing machine |
| CN101182671A (en) * | 2006-11-17 | 2008-05-21 | Juki株式会社 | Sewing machine |
| CN101845723A (en) * | 2009-03-24 | 2010-09-29 | Juki株式会社 | Top thread retaining device of sewing machine |
| CN101845724A (en) * | 2009-03-27 | 2010-09-29 | 兄弟工业株式会社 | Sewing machines |
| JP2016144492A (en) * | 2015-02-06 | 2016-08-12 | Juki株式会社 | sewing machine |
| CN206157352U (en) * | 2016-09-19 | 2017-05-10 | 启翔股份有限公司 | Sewing machine's line maintain the body |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI747019B (en) * | 2019-08-05 | 2021-11-21 | 曾賢長 | Knitting thread preforce device of sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107841834B (en) | 2020-01-10 |
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