CN108265411A

CN108265411A - A kind of sewing machine of improvement

Info

Publication number: CN108265411A
Application number: CN201810393028.4A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-03-07
Filing date: 2016-03-07
Publication date: 2018-07-10
Also published as: CN108486780A; CN105734847A; CN105734847B; CN108265412A; CN108315891A; CN108589077A; CN108315890A; CN108301135A; CN108265410A

Abstract

The invention discloses a kind of sewing machines of improvement, including head, engine base and transmission mechanism, transmission mechanism is connected with thread take-up tension lever, it is characterized in that thread take-up tension lever end is equipped with threading hole, thread take-up tension lever end is cased with a female outward-facing mother viscose button set, mother viscose button, which is put on, to be equipped with threading hole to its via, the upper sub- thread gluing of mother viscose button set can be sticked to by being correspondingly provided with mother viscose button set, the first hook is connected in sub- thread gluing, the second hook with the first hook mounting is connected on head, thread take-up tension lever comes downwards to sub- thread gluing and mother viscose button set disengaging under the traction of the first hook and the second hook between stroke 3/1sts to four/3rd；Suture is pulled out downwards during thread take-up tension lever downlink, is reserved loop line surplus for upward stroke, is avoided upward stroke that line is pulled out pin hole, structure is brief, easy to implement.

Description

A kind of sewing machine of improvement

It is on March 7th, 2016 applying date that the application, which is, entitled " with anticreep application No. is 2016101256870 The divisional application of the patent of the sewing machine of line wire picking device ".

Technical field

The present invention relates to a kind of sewing machine component, particularly a kind of sewing machine of improvement.

Background technology

Sewing machine be make the essential tool of clothes, it is efficient, workmanship it is high-quality, typically have head, machine Seat and transmission mechanism and attachment form, and thread take-up tension lever is one of component, can tense suture upwards in vehicle, ensure seam The quality of clothing object, but when existing take-up linkage works still have shortcoming, after initial eedle penetrates lead, thread take-up tension lever the One stroke is easy to the line penetrated pulling out pin hole, must thread again, time-consuming and laborious, this is still subject to up for technological innovation It solves.

Invention content

To solve the above-mentioned problems, the present invention provides a kind of sewing machines of improvement.

The technical solution adopted by the present invention is：A kind of sewing machine of improvement, including head, engine base and transmission mechanism, transmission Mechanism is connected with thread take-up tension lever, it is characterised in that thread take-up tension lever end is equipped with threading hole, and thread take-up tension lever end is cased with a female outward-facing mother Thread gluing set, mother viscose button are put on equipped with the via being aligned with threading hole, and being correspondingly provided with mother viscose button set can be sticked on mother viscose button set Sub- thread gluing is connected with the first hook in sub- thread gluing, and the second hook with the first hook mounting, thread take-up tension lever downlink are connected on head To sub- thread gluing is detached from mother viscose button set under the traction of the first hook and the second hook between stroke 3/1sts to four/3rd.

The present invention could also say that a kind of anti-sewing machine for taking out line, and the sub- thread gluing is sticked to mother viscose button and puts on covering threading Hole.

The present invention could also say that a kind of sewing machine of thread-off prevention line, and the mother viscose button set inner face is bonded in thread take-up tension lever end On.

The present invention could also say that a kind of sewing machine of the take-up component with thread-off prevention line, the mistake of the mother viscose button set both sides Bore edges are connected by suture.

The present invention could also say that a kind of sewing machine of improvement, and first hook and the second hook are a traction rope.

The present invention could also say that a kind of sewing machine with elastic force hook device, first hook and the second hook be with The hook of opening port.

Further, the elastic force hook that first hook and the second hook are closed for opening elastic force.

Further, first hook and/or the second hook are a ring with gap, and one end of ring is fixedly connected with bullet Piece, the other end of ring are equipped with inclined-plane, and shrapnel free end is located at outside ring, and is overlapped on the inclined-plane of ring.

Further, a ring segment being aligned with threading hole is equipped at the threading hole, 3 or 4 are circumferentially on ring segment A shrapnel gradually drawn close to ring segment axis, shrapnel are equipped with pawl to the end inner face that ring segment axis is gradually drawn close.

Further, the shrapnel is equipped with to the end that ring segment axis is gradually drawn close enters the oblique of pull-out suitable for suture Angle.

Further, the head upper is equipped with vertical shaft, and head edge is equipped with the oblique support arm flexed outward, and support arm outer end is set There is wire guide, the side that track is moved back and forth in thread take-up tension lever is equipped with a trunnion axis being fixedly connected with head, is connected on trunnion axis There is axle sleeve, oriented separate thread take-up tension lever is connected on axle sleeve, the overturning support arm that horizontal direction stretches, overturning support arm is equipped with close to outer end and hangs Terminal, overturning support arm outer end are equipped with positioning and lack, and locating notch is corresponded to when overturning support arm horizontal position and is equipped with positioning jump ring, on axle sleeve The reset branch that oriented thread take-up tension lever moves back and forth the stretching, extension of track hypomere is connected, resets support arm outer end bending, the arc of crooked position Outside probes into thread take-up tension lever and moves back and forth track end position on the lower, and head is equipped with a torsional spring, and one end is fixed on head, another End acts on overturning support arm and erects direction force to overturning support arm.

Thread take-up tension lever is adjusted to by present invention handwheel of rotation sewing machine in the end of thread take-up tension lever setting mother viscose button set, use Sub- thread gluing is bonded in mother viscose button after threading and put on by a high position, pushes down suture, and when thread take-up tension lever downlink pulls out downwards suture, is upward Stroke reserves loop line surplus, avoids upward stroke that line is pulled out pin hole, is made under thread take-up tension lever by the setting for linking up with position and length It goes to sub- thread gluing and mother viscose button set disengaging under the traction of the first hook and the second hook between stroke 3/1sts to four/3rd, Sub- thread gluing only bonds downward bracing wire with mother viscose button set when sewing the first needle, and being in discrete state thereafter does not influence take-up, knot Structure is brief, easy to implement.

Description of the drawings

Fig. 1 is one overall structure diagram of the embodiment of the present invention and partial enlarged view.

Fig. 2 is one thread take-up tension lever decomposition texture schematic diagram of the embodiment of the present invention.

Fig. 3 is two hook structure schematic diagram of the embodiment of the present invention.

Fig. 4 is three hook structure schematic diagram of the embodiment of the present invention.

Fig. 5 is four overall structure diagram of the embodiment of the present invention and partial enlarged view.

Fig. 6 is four decomposition texture schematic diagram of the embodiment of the present invention and partial enlarged view.

Fig. 7 is five overall structure diagram of the embodiment of the present invention.

Fig. 8 is five decomposition texture schematic diagram of the embodiment of the present invention.

Figure label title：1 head；2 thread take-up tension levers；3 threading holes；4 mother viscose button sets；5 vias；6 sub- thread gluings；7 first hooks； 8 second hooks；9 steel wires；10 hook ends；11 rings；12 shrapnels；13 inclined-planes；14 ring segments；15 shrapnels；16 pawls；17 vertical shafts；18 tiltedly Support arm；19 wire guides；20 trunnion axis；21 axle sleeves；22 overturning support arms；23 wiring columns；24 locating notches；25 positioning jump rings；26 is multiple Position support arm；27 torsional springs；28 limit protrusions；29 reverse wheels.

Specific embodiment

The embodiment of the present invention one as shown in Figure 1, 2, the sewing machine of the improvement, including head 1, engine base and transmission mechanism, machine Head is the major part of sewing machine, and each mechanism kinematic closes cooperation cycle operation, sewing can be united by a seam, head is connected to machine On seat, engine base can be used for workbench, and transmission mechanism ensures each mechanism co-operating, and transmission mechanism is connected with thread take-up tension lever 2, take-up Rod end head is equipped with threading hole 3, and thread take-up tension lever end is cased with a female outward-facing mother viscose button set 4, and mother viscose button set is sewed for nylon adherent buckle Or the set of thread take-up tension lever end can be sleeved on made of thermoforming, mother viscose button is put on equipped with the via 5 being aligned with threading hole, for wearing Line, the upper sub- thread gluing 6 of mother viscose button set can be sticked to by being correspondingly provided with mother viscose button set, be connected with the first hook 7 in sub- thread gluing, on head Be connected with the second hook 8 with the first hook mounting, link up with length and position ensure thread take-up tension lever come downwards to stroke 1/3rd to Sub- thread gluing and mother viscose button set are detached under the traction of the first hook and the second hook between 3/4, the hook of the present embodiment first with Second hook is the hook with opening port.The present embodiment rotation sewing in the end of thread take-up tension lever setting mother viscose button set, use Thread take-up tension lever is adjusted to high-order by the handwheel of machine, and sub- thread gluing is bonded in mother viscose button after threading puts on, and pushes down suture, thread take-up tension lever downlink When pull out suture downwards, reserve loop line surplus for upward stroke, avoid upward stroke that line is pulled out pin hole, by link up with position and The setting of length makes thread take-up tension lever come downwards between stroke 3/1sts to four/3rd under the traction of the first hook and the second hook Sub- thread gluing is detached from mother viscose button set, and sub- thread gluing only bonds downward bracing wire with mother viscose button set when sewing the first needle, is in thereafter Discrete state does not influence take-up, and the end of a thread of the first needle can be reserved brief, reduce later stage trimming, structure is brief, easy to implement.

The embodiment of the present invention two as shown in figure 3, the improvement sewing machine in order to improve the more reliable hook of connection first and/ Or second hook for opening elastic force be closed elastic force hook, be molded by steel wire 9, hook end 10 by elastic force lean against on coupler body formed closure Annular, reliable elastic force, which is opened, to be fastened, and connection is more secured.

The embodiment of the present invention three is as shown in figure 4, the sewing machine first of the improvement is linked up with and/or the second hook is a band gap Ring 11, one end of ring is fixedly connected with shrapnel 12, and the other end of ring is equipped with inclined-plane 13, and shrapnel free end is located at outside ring, and takes It is connected on the inclined-plane of ring, by shrapnel by inclined-plane press-in ring, shrapnel abuts ring inner wall, and imperforation drawing deformation is small, even during use It connects more reliable.

The embodiment of the present invention four as shown in Figure 5,6, is aligned at the sewing machine threading hole of the improvement equipped with one with threading hole Ring segment 14, ring segment are fixed by screws in thread take-up tension lever end, be circumferentially on ring segment 3 or 4 to ring segment axis by The shrapnel 15 gradually drawn close, the end inner face that shrapnel is gradually drawn close to ring segment axis are equipped with pawl 16, and shrapnel is to ring segment axis The end gradually drawn close, which is equipped with, to be suitable for suture and enters the oblique angle of pull-out, is formed horn-like, and when use rotates the handwheel of sewing machine Thread take-up tension lever is adjusted to high-order, threading can be passed through by the gap of shrapnel root, and bracing wire can be caught in by monopolization, the first downlink of thread take-up tension lever Journey under inverted tooth-like effect can downward bracing wire, uplink will not off-line, line can be by drawing close when take-up upward in formality stroke chooses tight Abjection, into conventional sewing.

As shown in Figure 7,8, the sewing machine of the improvement is equipped with vertical shaft 17, for putting to the embodiment of the present invention five in head upper Spool is put, head edge is equipped with the oblique support arm 18 flexed outward, and support arm outer end is equipped with wire guide 19, and rail is moved back and forth in thread take-up tension lever The side of mark is equipped with a trunnion axis 20 being fixedly connected with head, and axle sleeve 21 is connected on trunnion axis, is connected on axle sleeve oriented remote From the overturning support arm 22 that thread take-up tension lever, horizontal direction stretch, overturning support arm is equipped with wiring column 23 close to outer end, and overturning support arm outer end is set There is locating notch 24, locating notch is corresponded to when overturning support arm horizontal position and is equipped with positioning jump ring 25, oriented take-up is connected on axle sleeve Bar moves back and forth the reset support arm 26 of track hypomere stretching, extension, resets support arm outer end bending, is probeed on the outside of the arc of crooked position Thread take-up tension lever moves back and forth track end position on the lower, and head is equipped with a torsional spring 27, and one end is fixed on head, other end effect Direction force is erected in overturning support arm and to overturning support arm, spool is placed on vertical shaft by when use, by the line on spool by leading String holes passes through, and around the threading hole being then passed through after wiring column on thread take-up tension lever, eventually passes through pin hole, thread take-up tension lever drop to bottom or Risen all touch by bottom and reset support arm outer end crooked position, make reset support arm that axle sleeve, overturning support arm be driven to generate rotation Displacement makes locating notch be detached from positioning jump ring, and then overturning support arm is holded up under the effect of torsion spring, and holding up angle can be by head The position adjustment of upper setting limit protrusion 28, overturning support arm overturning wiring column lose support to line, and making line, there are more than loose Amount, further prevents off-line, and line may also pass through reverse wheel 29 across threading hole during use, make each surplus consistent；It uses When threading sequence can also be that first threading hole arrive wiring column, then at pin hole again, only surplus stays in anticreep work below threading hole With more preferable.

During implementation, sub- thread gluing is sticked to mother viscose button and puts on covering threading hole, and fixation is more reliable；Mother viscose button set inner face, which is bonded in, to be chosen On line bar end, also can mother viscose button set both sides via edges connected by suture, improve connection reliability；First hook and the Two hooks are a traction rope, it is easier to which adjustment length, unhook position are more easily controlled.

It is only in summary the specific embodiment of the invention, but is not limited to embodiment, it can also each technical characteristic group again Close more realization methods, it is all without departing from the inventive concept, the equivalent modification and the prior art done according to the application Addition is accordingly to be regarded as the technology of the present invention scope.

Claims

1. a kind of sewing machine of improvement, including head, engine base and transmission mechanism, transmission mechanism is connected with the thread take-up tension lever, special Sign is that thread take-up tension lever end is equipped with threading hole, and thread take-up tension lever end is cased with a female outward-facing mother viscose button set, and mother viscose button, which is put on, to be equipped with The via being aligned with threading hole, mother viscose button are put on equipped with the via being aligned with threading hole, and being correspondingly provided with mother viscose button set can be sticked to Mother viscose button covers upper sub- thread gluing, and the first hook is connected in sub- thread gluing, is connected on head and is hung with the second of the first hook mounting Hook, thread take-up tension lever come downwards to the sub- thread gluing under the traction of the first hook and the second hook between stroke about 3/1sts to four/3rd It covers and is detached from mother viscose button, first hook and the second hook are a traction rope.