CN105780324B - Use in sewing machine supplies line mechanism and sewing machine - Google Patents
Use in sewing machine supplies line mechanism and sewing machine Download PDFInfo
- Publication number
- CN105780324B CN105780324B CN201610339777.XA CN201610339777A CN105780324B CN 105780324 B CN105780324 B CN 105780324B CN 201610339777 A CN201610339777 A CN 201610339777A CN 105780324 B CN105780324 B CN 105780324B
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- Prior art keywords
- line
- sewing machine
- hook
- adjustment disk
- hooked
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B49/00—Take-up devices, e.g. levers, for the needle thread
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
A kind of use in sewing machine of present invention offer supplies line mechanism and sewing machine, use in sewing machine includes the thread take-up tension lever set gradually along upper thread direction of feed for line mechanism, yarn take-up spring and tension disk, it is equipped between the thread take-up tension lever and yarn take-up spring for line amount adjustment mechanism, it is hooked for line amount adjustment mechanism including First Line, second line hooks and is placed in the adjustment disk with machine spindle synchronization action between First Line hook and the second line hook, positioning is equipped with third line and hooks on adjustment disk, and the distance that third line is hooked to adjustment disk center of rotation is adjustable, third line is hooked to be hooked with the rotation of adjustment disk to change First Line, third line hooks the air line distance between 3 points of the second line hook, to change line amount is supplied between First Line hook and the second line hook.The configuration of the present invention is simple is easily installed and adjusts use, adapts to the sewing of various clothes.
Description
Technical field
The present invention relates to sewing machine technique fields, and line mechanism and sewing machine are supplied more particularly to a kind of use in sewing machine.
Background technology
It is very that Yarn taking-up mechanism and its attachment on sewing machine at present, which for line amount is all the range that can not be adjusted or adjust,
Limited.Even some thread take-up tension levers change take-up lever stroke by setting multiple holes, but the quantity in hole is also all limited, for line
The variation of amount is nor very big.These reasons all limit adaptability of the sewing machine for fabric thickness of sewing, because usually coming
Say, thin material need it is less just can guarantee stitching grace for line amount, and thick material then needs more line amount to be supplied just to can guarantee constantly
The failures such as line.Especially for the higher sewing device of those costs, on the one hand the sewing bad adaptability of thin and thick material improves enterprise
On the other hand the purchase cost of industry also reduces the competitiveness of sewing device in itself.
Chinese patent 200810210865.5 provides a kind of needle-thread tensioning control device of sewing machine, can be to being supplied to by balance
Reaching the standard grade for needle steadily assigns small tension, and grenadine, soft cloth can be sewed with good quality without generating needle
Foot defect.The needle-thread tensioning control device is included to reaching the standard grade for rotational resistance formula homophony line device is supplied to assign the secondary yarn changing device of preparation tension,
It has：Compartment of terrain winds the rotating cylinder for maintaining multi-turn and reaching the standard grade and being pivoted, to this turn in the width direction of periphery
Cylinder applies the crowded adjusting knob for pushing away spring and adjusting is increased and decreased to the crowded elastic force for pushing away spring of thrust.The present invention passes through homophony
Line device adjusts the tension for line with secondary yarn changing device, but it cannot adjust the length for line amount.
Therefore, it is necessary to a kind of confession line mechanisms for adapting to various clothes sewings.
Invention content
In view of the foregoing deficiencies of prior art, line mechanism is supplied the purpose of the present invention is to provide a kind of use in sewing machine
And sewing machine, for solving the problems, such as arbitrarily adjust with institute's sewing cloth thickness difference for line amount in the prior art.
In order to achieve the above objects and other related objects, the present invention provides a kind of confession line mechanism of use in sewing machine, including edge
Thread take-up tension lever, yarn take-up spring and the tension disk that upper thread direction of feed is set gradually are equipped between the thread take-up tension lever and yarn take-up spring for line
Amount adjustment mechanism, it is described that line amount adjustment mechanism is supplied to include First Line hook, the second line hook and is placed in First Line hook and the second line hook
Between adjustment disk with machine spindle synchronization action, on the adjustment disk positioning be equipped with third line and hook, and third line is hooked to tune
The distance for saving disk center of rotation is adjustable, and third line is hooked changes First Line hook, third line hook and the second line with the rotation of adjustment disk
The air line distance between 3 points is hooked, line amount is supplied between First Line hook and the second line hook to change.
Preferably, the lead point that the adjustment disk center of rotation is hooked with the First Line and the second line hooks is not conllinear.
Preferably, the adjustment disk is equipped with the elongated slot radially extended, and the third line worked hard in glove with locating plate and is located in length
In slot, and the locating plate can position the position for adjusting third line hook in elongated slot.
Preferably, the adjustment disk is mounted in a rotation axis, and the rotation axis passes through synchronous drive mechanism and the seam
The machine spindle drive of threading is connected.
Preferably, the synchronous drive mechanism includes driving gear, the driven gear that is meshed with driving gear and together
Belt wheel is walked, the driving gear is placed on the machine spindle, and driven gear is connected with the first synchronizing wheel in synchronous pulley,
The second synchronizing wheel in synchronous pulley is arranged in the rotation axis.
Preferably, the adjustment disk is equipped with radially arranged multigroup mounting hole, and the third line worked hard in glove with bolt peace
Mounted in described in one group in mounting hole.
The present invention also provides a kind of sewing machine, the sewing machine using weigh the confession line mechanism of the use in sewing machine come
It carries out for line.
As described above, the use in sewing machine of the present invention supplies line mechanism and sewing machine, have the advantages that：The present invention adopts
With carrying out the fine tuning for line amount for line amount adjustment mechanism, hooked by third line hooked with the rotation of adjustment disk changing First Line,
Third line hooks and the second line hooks air line distance between 3 points, with change First Line hook and the second line hook between supply line amount, and the
Three lines are hooked to the distance of adjustment disk center of rotation and can also be adjusted, it is made more to adapt to the thickness of institute's sewing cloth, when sewing compared with
During thick cloth, third line need to only be hooked and radially adjusted, and when sewing grenadine, third line hook is adjusted radially inward
Section.The configuration of the present invention is simple is easily installed and adjusts use, adapts to the sewing of various clothes.
Description of the drawings
Fig. 1 is shown as the confession line mechanism schematic diagram of the use in sewing machine of the present invention.
Fig. 2 is shown as comparing figure for line amount.
Fig. 3 is shown as one embodiment schematic diagram of confession line amount adjustment mechanism of the present invention
Component label instructions
1 XX systems
2 upper threads
3 thread take-up tension levers
4 the 5th lines hook
5 First Lines hook
6 adjustment disks
61 mounting brackets
62 disks
63 locating plates
601 open slots
602 slot holes
603 opening portions
7 third lines hook
8 second lines hook
9 yarn take-up springs
10 tension disks
11 machine spindles
12 driving gears
13 driven gears
14 shafts
15 second synchronizing wheels
16 synchronous belts
17 first synchronizing wheels
18 rotation axis
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.
It please refers to Fig.1 to Fig.3.It should be clear that structure, ratio, size depicted in this specification institute attached drawing etc., only to
Coordinate the revealed content of specification, so that those skilled in the art understands and reads, being not limited to the present invention can be real
The qualifications applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
It is whole, in the case where not influencing the effect of present invention can be generated and the purpose that can reach, should all still fall in disclosed skill
In the range of art content can cover.Meanwhile in this specification it is cited as " on ", " under ", "left", "right", " centre " and
The term of " one " etc. is merely convenient to understanding rather than to limit the enforceable range of the present invention for narration, relativeness
It is altered or modified, in the case where changing technology contents without essence, when being also considered as the enforceable scope of the present invention.
As shown in Figure 1, a kind of use in sewing machine of present invention offer supplies line mechanism, including being set successively along 2 direction of feed of upper thread
Thread take-up tension lever 3, yarn take-up spring 9 and the tension disk 10 put, yarn take-up spring 9 is fixed on tension disk 10, between thread take-up tension lever 2 and yarn take-up spring 9
Equipped with supplying line amount adjustment mechanism, include First Line for line amount adjustment mechanism and hook the 5, second line and hook 8 and be placed in First Line to hook 5 and the
Two wires hooks the adjustment disk 6 with machine spindle synchronization action between 8, is positioned on adjustment disk 6 and is equipped with third line hook 7, and third line
The distance of hook 7 to adjustment disk center of rotation is adjustable, and third line hooks 7 and hooks 5, third line hook with the rotation of adjustment disk to change First Line
7 and second line hook 8 three points between air line distance, with change First Line hook 5 and second line hook 8 between supply line amount.The confession of the present invention
Line amount adjustment mechanism hooks 7 with tune by setting the adjustment disk with machine spindle synchronization action, using the third line on adjustment disk
Section disk 6 rotates and then adjusts First Line hook 5 in real time, the distance between third line hook 7 and the second line hook 8, is adjusted with this for line amount.
The use in sewing machine of the present invention supplies line mechanism concrete operating principle as follows：As shown in Figure 1, First Line hooks 5 and second
It is L=AB+BC for line amount that line, which is hooked between 8,.With the rotation of adjustment disk 6, L can constantly change.Scheming when third line hooks 7
When showing at the B of position, L reaches maximum value Lmax, which is also the position that thread take-up tension lever 3 is at the highest notch, therewith under thread take-up tension lever 3
Drop.The rotation direction of adjustment disk 6 is to rotate clockwise (see the haircut in Fig. 1) in the present embodiment, and B ' positions are gone to when third line hooks 7
When putting, L values reach minimum value Lmin, Lmin=A B '+B ' C, at the time of being finished at this time for confession line amount adjustment mechanism for line.Whole
A can be the line amount that sewing machine conveys Δ L=Lmax-Lmin length more for line amount adjustment mechanism in line process, i.e. in Fig. 1
Δ L=(AB+BC)-(AB '+BC ').O is the center of rotation of adjustment disk in Fig. 1, and the length of OB is bigger, i.e., third line hooks 7 and arrives
The distance of adjustment disk center of rotation is bigger, and the upper thread being capable of supply that for line amount adjustment mechanism is more, it is possible to which sewing is thicker
Fabric.
When sewing thin material, since it is desired that less line amount, therefore third line is hooked 7 and is installed close to O points.If B points
It is overlapped with O points, being then equivalent to a line for line amount adjustment mechanism hooks, and does not play the effect of adjustment supply line amount.When sewing is thick
During material, then third line is hooked 7 and installed far from O points, then consumption when can provide sufficient upper thread for sewing is avoided because supplying
Line amount is insufficient and leads to upper thread by over-tension, so as to cause broken string.
The above-mentioned concrete structure for line amount adjustment mechanism is detailed below.
(First Line hooks by adjustment disk center of rotation O and the lead point of First Line hook 5 and the second line hook 8 in the present embodiment
The lead point C that lead point A and the second line hook) it is not conllinear；It is more conducive to length of the adjustment for line amount in this way.Above-mentioned adjustment disk rotation
The lead point (the lead point C that the lead point A and the second line that First Line hooks are hooked) that center O hooks 8 with First Line hook 5 and the second line also may be used
Collinearly, adjustment when conllinear for line amount length is limited, and can not ensure to realize situation about not changing for line amount.
Distance to realize above-mentioned third line hook 7 to adjustment disk center of rotation O is adjustable, on the adjustment disk 6 in the present embodiment
Equipped with the elongated slot radially extended, third line hooks 7 and is located in elongated slot by locating plate 63, as shown in Figure 3, and the locating plate 63
It can position and adjust 7 position in elongated slot of third line hook.
Further, the adjustment disk in the present embodiment includes mounting bracket 61 and disk 62, as shown in Figure 3, mounting bracket 61
There is the open slot 601 radially extended for cylindrical its, disk 62 is equipped with the slot hole 602 radially extended, and disk passes through screw
It is fixed on mounting bracket, and slot hole 602 connects with open slot 601 and forms above-mentioned elongated slot, third line hooks 7 and can be slided in elongated slot
It is dynamic.It is motionless in elongated slot for ease of third line hook 7 is located in, the opening portion radially extended 603 also is provided on above-mentioned locating plate 63,
7 are hooked by screw in compression third line using locating plate 63, so as to fix it in sewing.7 are hooked when needing adjustment third line
During position, it is only necessary to unclamp that tightened again again after two screws are adjusted can
The present invention makes adjustment disk 6 and machine spindle synchronization action, i.e., the two keeps 1:1 rotating ratio can be protected in this way
Testimony line amount adjustment mechanism is synchronous for line and take-up with Yarn taking-up mechanism.The adjustment disk 6 of the present invention can by machine spindle 11 or
Individual motor driving.To realize above-mentioned adjustment disk and rotation axis synchronization action, the present embodiment is by adjustment disk and machine spindle
Transmission is connected, specially：Adjustment disk 6 is mounted in a rotation axis 18, and as shown in Figure 3, rotation axis 18 passes through synchronous drive mechanism
Be connected with the transmission of machine spindle 11, the synchronous drive mechanism of the present embodiment including the first synchronizing wheel 17, the second synchronizing wheel 15, from
Moving gear 13 and the driving gear 12 on machine spindle 11, the first synchronizing wheel 17 are mounted in rotation axis 18, the
Two synchronizing wheels 15 are connected with the first synchronizing wheel 17 by synchronous belt 16, and the second synchronizing wheel is connected with driven gear 13 by shaft 14
The rotation of machine spindle 11 drives driven gear 13 to rotate by driving gear 12, and then same by the first synchronizing wheel 17, second
15 drive rotation axis 18 of step wheel rotates, and then adjustment disk 7 is driven to rotate synchronously.Synchronous drive mechanism it is without being limited thereto or its
His structure is only needed complete to make machine spindle and the synchronous rotation of rotation axis 18, is not described in detail here.
The distance that above-mentioned third line hooks 7 to adjustment disk center of rotation O is adjustable, can also be realized by other structures, such as above-mentioned
Adjustment disk is equipped with radially arranged multigroup mounting hole, and third line worked hard in glove with bolt in one group of mounting hole.By more
Change third line hook institute fixed mounting hole come adjust third line hook 7 to adjustment disk center of rotation O distance.
By mathematical model it is observed that as shown in Figure 2, the dotted line l3 that the choice refreshments in figure is formed is the confession of former sewing machine
Line amount curve, solid line l1 be increase the present invention for after line amount adjustment mechanism supply line amount curve, and short-term section form line
L2 is to lengthen to supply line amount curve after take-up pole length, it follows that increasing the sewing machine for line amount adjustment mechanism, line
Amount has apparent increase than former sewing machine；This after thread take-up tension lever extended length for the variation of line amount with being consistent, but because one
As equipment can not change the length of thread take-up tension lever, therefore provide for better thin and thick material sewing for line amount adjustment mechanism and adapt to
Property.
The present invention also provides a kind of sewing machine, sewing machine is carried out using the use in sewing machine as described in power is upper for line mechanism
For line.As shown in Figure 1, upper thread 2 enters thread take-up tension lever 3 after the guiding that the 4th line hooks 1, then after the 5th line hooks 4 guiding, enters
For line amount adjustment mechanism, i.e., 5, third line is hooked through First Line successively and hook the 7, second line hook 8, tension disk 10 is entered after yarn take-up spring 9
It clamps, generates the sewing needle of introducing sewing machine after certain pretightning force, realize the supply of upper thread.The sewing machine of the present invention can sew thickness
Material can also sew thin material, it is only necessary to according to the thickness of sew cloth material, adjust above-mentioned for line amount adjustment mechanism.
In conclusion use in sewing machine of the present invention supplies line mechanism and sewing machine, carried out using line amount adjustment mechanism is supplied
For the fine tuning of line amount, hooked by third line and hook at 3 points with the rotation of adjustment disk to change First Line hook, third line hook and the second line
Between air line distance, with change First Line hook and the second line hook between supply line amount, and third line is hooked to adjustment disk center of rotation
Distance can also adjust, it is made more to adapt to the thickness of institute's sewing cloth, when sewing thicker cloth, only third line need to be hooked
Radially adjust, and when sewing grenadine, third line is hooked and is adjusted radially inward.The configuration of the present invention is simple,
Use is easily installed and adjusted, adapts to the sewing of various clothes.So the present invention effectively overcome it is of the prior art it is various lack
It puts and has high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (7)
1. a kind of use in sewing machine supplies line mechanism, including along upper thread（2）The thread take-up tension lever that direction of feed is set gradually（3）, yarn take-up spring
（9）And tension disk（10）, which is characterized in that in the thread take-up tension lever（3）And yarn take-up spring（9）Between be equipped with for line amount adjustment mechanism,
It is described to be hooked for line amount adjustment mechanism including First Line（5）, the second line hook（8）And it is placed in First Line hook（5）It is hooked with the second line（8）
Between with machine spindle（11）The adjustment disk of synchronization action（6）, the adjustment disk（6）Upper positioning is equipped with third line and hooks（7）, and
Third line hooks（7）Distance to adjustment disk center of rotation is adjustable, and third line hooks（7）With adjustment disk（6）Rotation change first
Line hooks（5）, third line hook（7）It is hooked with the second line（8）Air line distance between 3 points, to change First Line hook（5）It is hooked with the second line
（8）Between supply line amount.
2. use in sewing machine according to claim 1 supplies line mechanism, it is characterised in that：The adjustment disk center of rotation and institute
State First Line hook（5）It is hooked with the second line（8）Lead point it is not conllinear.
3. use in sewing machine according to claim 1 supplies line mechanism, it is characterised in that：The adjustment disk（6）It is equipped with diameter
To the elongated slot of extension, the third line hooks（7）Pass through locating plate（63）It is located in elongated slot, and the locating plate（63）It can position
Third line is adjusted to hook（7）Position in elongated slot.
4. use in sewing machine according to claim 1 supplies line mechanism, it is characterised in that：The adjustment disk（6）Mounted on one
Rotation axis（18）On, the rotation axis（18）Pass through synchronous drive mechanism and the machine spindle（11）Transmission is connected.
5. use in sewing machine according to claim 4 supplies line mechanism, it is characterised in that：The synchronous drive mechanism includes master
Moving gear（12）With driving gear（12）The driven gear being meshed（13）And synchronous pulley, the driving gear（12）It puts
In the machine spindle（11）On, driven gear（13）With the first synchronizing wheel in synchronous pulley（17）It is connected, synchronous pulley
In the second synchronizing wheel（15）It is arranged on the rotation axis（18）On.
6. use in sewing machine according to claim 1 supplies line mechanism, it is characterised in that：The adjustment disk（6）It is equipped with edge
Multigroup mounting hole of arranged radially, the third line hook（7）It is mounted on described in one group in mounting hole by bolt.
7. a kind of sewing machine, it is characterised in that：The sewing machine is used such as claim 1 to claim 6 any one of them
Use in sewing machine supplies line mechanism to carry out for line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610339777.XA CN105780324B (en) | 2016-05-19 | 2016-05-19 | Use in sewing machine supplies line mechanism and sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610339777.XA CN105780324B (en) | 2016-05-19 | 2016-05-19 | Use in sewing machine supplies line mechanism and sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105780324A CN105780324A (en) | 2016-07-20 |
| CN105780324B true CN105780324B (en) | 2018-06-29 |
Family
ID=56380028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610339777.XA Active CN105780324B (en) | 2016-05-19 | 2016-05-19 | Use in sewing machine supplies line mechanism and sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105780324B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI769654B (en) * | 2021-01-06 | 2022-07-01 | 啟翔股份有限公司 | Sewing machine with changeable lifting lever |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1037018C (en) * | 1994-02-08 | 1998-01-14 | 周鹤鸣 | Five-lever thread pickup mechanism with adjustable thread feed for sewing machine |
| JP2002143587A (en) * | 2000-11-07 | 2002-05-21 | Juki Corp | Moving mechanism for sewing machine |
| JP2002177678A (en) * | 2000-12-13 | 2002-06-25 | Juki Corp | Sewing machine |
| JP2009045207A (en) * | 2007-08-20 | 2009-03-05 | Yamato Sewing Mach Co Ltd | Stitch balancing thread tension device of sewing machine |
| CN104695144A (en) * | 2015-03-27 | 2015-06-10 | 江苏万工科技集团有限公司 | Six-rod take-up mechanism with balanced take-up and pay-off function |
| CN205636082U (en) * | 2016-05-19 | 2016-10-12 | 拓卡奔马机电科技有限公司 | Confession line mechanism and sewing machine that sewing machine used |
-
2016
- 2016-05-19 CN CN201610339777.XA patent/CN105780324B/en active Active
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| Publication number | Publication date |
|---|---|
| CN105780324A (en) | 2016-07-20 |
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