CN206873088U - Thread trimmer - Google Patents
Thread trimmer Download PDFInfo
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- CN206873088U CN206873088U CN201720787778.0U CN201720787778U CN206873088U CN 206873088 U CN206873088 U CN 206873088U CN 201720787778 U CN201720787778 U CN 201720787778U CN 206873088 U CN206873088 U CN 206873088U
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- main body
- thread trimmer
- blade
- hole
- hinged groove
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Abstract
The utility model provides a kind of thread trimmer, belongs to sewing machine technique field, is related to a kind of thread trimmer.It solves the problems, such as that existing thread trimmer dismounting is inconvenient.This thread trimmer, including the main body in bar shaped tabular, one end of main body has blade, the middle part of main body has hinge hole, the main body other end has the hinged groove through main body upper and lower surface, main body, which offers, has opening on the end face of hinged groove one end, opening runs through main body upper and lower surface, the open communication to hinged groove.This thread trimmer has the advantages that convenient disassembly, trimming be smooth, trimming efficiency high.
Description
Technical field
The utility model belongs to sewing machine technique field, is related to a kind of thread trimmer.
Background technology
Currently, sewing machine is widely used in garment manufacturing industry, especially the large-scale sewing machine of factory, more extensively
Generally applied in the manufacturing enterprise of batch micro operations clothes.In such sewing machine production line, it is sometimes desirable to while to cloth
Sewing is carried out while being cut, a kind of shearing tool of use in sewing machine is needed in such processing.Existing thread shearing cutter
It is typically all to be connected by the cooperation of hinge hole and bearing pin with driving structure, need to be by driving structure when changing thread shearing cutter
Pull down, waste time and energy, influence production efficiency.
Such as a kind of double acting knife thread cutting mechanism [patent No. for sewing machine that people invent：CN201510116610.2；Bulletin
Number：CN104652054A], including the stationary knife being fixed on needle plate downside and the moving knife being hinged on needle plate downside, moving knife
Line portion is grabbed including articulated section and for capture sewing thread, and articulated section, which is connected with, can be such that moving knife is rotated around pin joint and be done with stationary knife
The drive mechanism of trimming motion, is provided with an elastic clip between stationary knife and the pin hole of needle plate, the elastic clip include clamping part with
The connecting portion being connected with needle plate, clamping part is in having gap between long sheet and the clamping part and needle plate, when moving knife is around pin joint
During rotation, in the presence of line portion is grabbed to needle plate direction elastic deformation can occur for clamping part, and the clamping part is in its own resilient
Effect is lower together with grabbing line portion tight abutment.The thread cutting mechanism of this sewing machine can effectively shorten on the cloth after staying in sewing well
Stub, improve the quality of product.
The drive mechanism of the double acting knife thread cutting mechanism of above-mentioned sewing machine includes connecting rod, one end of connecting rod and the rotating shaft phase of motor
Be hinged, the other end of connecting rod has bearing pin and is connected with the hinge hole of moving knife end, moving knife between needle plate and connecting rod and
Moving knife is set on the bearing pin of connecting rod by hinge hole.When need to change moving knife, moving knife can not be laterally moved out.When changing moving knife, need
Connecting rod in drive mechanism and the fixture for being hinged on articulated section are pulled down in the lump, use is extremely inconvenient.
The content of the invention
The purpose of this utility model is in view of the above-mentioned problems existing in the prior art, it is proposed that a kind of thread trimmer, to be solved
Technical problem certainly is that the replacing for how making thread trimmer is more convenient.
The purpose of this utility model can be realized by following technical proposal：
A kind of thread trimmer, including the main body in bar shaped tabular, one end of the main body have blade, the middle part of the main body
With hinge hole, the main body other end has the hinged groove through main body upper and lower surface, it is characterised in that the main body opens up
Having has opening on the end face of above-mentioned hinged groove one end, the opening runs through main body upper and lower surface, the open communication to hinged groove.
Thread trimmer is connected with drive mechanism, and drive mechanism includes crank, and bearing pin, bearing pin card are fixed with one end of crank
Enter in hinged groove, articulated elements is inserted with the hinge hole of thread trimmer, thread trimmer can be swung around articulated elements.When changing thread trimmer,
Articulated elements in hinge hole is pulled down, then applying makes thread trimmer to pull down thread trimmer away from the power on crank pin；Installation
During thread trimmer, the opening of hinged groove is directed at the position of crank upper pin, application makes bearing pin snap onto the power in hinged groove, then
Thread trimmer is swung around bearing pin, makes the installation site of hinge hole alignment hinge hole, finally articulated elements is inserted into hinge hole, trimming
Knife just installs.
Using said structure, there is the hinged groove with open communication on thread trimmer, quickly can pull down or install from bearing pin
Onto bearing pin, it is not necessary to dismount crank, be very convenient to, quickly, substantially increase the replacing efficiency of thread trimmer.
In above-mentioned thread trimmer, the hinged groove takes the shape of the letter U, and the inner cell wall of the hinged groove is arc surface, the circle
Cambered surface and adjacent slot walls arc transition.
Using said structure, the inner of hinged groove has certain radian, and when bearing pin snaps onto hinged groove, thread trimmer is around pin
Axle swings installation site more smooth and that hinge hole is rapidly aligned to hinge hole, and installation is very convenient.
There is the spigot surface one being obliquely installed in above-mentioned thread trimmer, in the main body, the spigot surface one is positioned at master
With blade cutting edge towards identical side on body, have what is be obliquely installed towards opposite side with blade cutting edge in the main body
Spigot surface two, the spigot surface one, spigot surface two are located at the same surface of main body with blade.
Using said structure, when thread trimmer is with stationary knife phase separation trimming, inclined spigot surface one has guide effect, trimming
It is not easy to interfere with stationary knife towards identical side with blade cutting edge on knife, rotates during thread trimmer trimming smooth；Work as thread trimmer
During reset, the spigot surface two that is obliquely installed avoids not answering with stationary knife is stuck towards opposite side with blade cutting edge on thread trimmer
Position, resets after thread trimmer trimming smooth, improves the rotational stability of thread trimmer.
In above-mentioned thread trimmer, there is through hole, the hole wall of the through hole and the friendship of body surfaces in the body surfaces
Above-mentioned blade is formed at remittance, the blade is in circular arc wire.
Using said structure, there is through hole at the blade of main body, can conveniently observation trimming situation during trimming.
In above-mentioned thread trimmer, it is in hook-shaped line hooking portion to have in the main body, and the cutting edge of above-mentioned blade is towards main body
Side with line hooking portion is set.
Using said structure, sewing thread is hooked in hook-shaped line hooking portion energy fast accurate, sewing thread is not easy from line hooking portion
Skid off, avoid multiple trimming, trimming efficiency high.
In above-mentioned thread trimmer, wire lead slot is offered on the spigot surface one, the wire lead slot is located at line hooking portion with leading to
Between hole, the side of the wire lead slot extends to through hole, and opposite side extends to line hooking portion, and the notch size of the wire lead slot is from logical
Hole gradually expands to line hooking portion direction.
Using said structure, wire lead slot is offered on the spigot surface one of main body, when sewing thread is cut, the line of sewing thread
In wire lead slot, the wire suction device that can be arranged on thread trimmer side quickly siphons away head, the remaining sewing thread of automatic cleaning
Head, using very convenient.
Compared with prior art, the hinged groove of this thread trimmer is communicated with the convenient opening for connecting or dismantling, and changes thread trimmer
When dismantle the articulated elements being connected in hinge hole, thread trimmer can be removed and disassembled perpendicular to bearing pin direction, change very
It is convenient；This thread trimmer blade nearby has the spigot surface one and spigot surface two being obliquely installed, the smooth not interim card of trimming；This thread trimmer
With in hook-shaped line hooking portion, it can rapidly and accurately hook sewing thread and carry out trimming.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of this thread trimmer.
Fig. 2 is the overlooking the structure diagram of this thread trimmer.
Fig. 3 is the thread cutting mechanism structural representation using this thread trimmer.
In figure, 1, main body；2nd, through hole；2a, blade；3rd, line hooking portion；4th, wire lead slot；5th, hinge hole；6th, hinged groove；6a, circle
Cambered surface；7a, spigot surface one；7b, spigot surface two；8th, it is open；9th, crank；10th, bearing pin；11st, wire suction device；12nd, stationary knife.
Embodiment
It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As shown in Figure 1, Figure 2, Figure 3 shows, this thread trimmer includes main body 1, and main body 1 is in have in bar shaped tabular and upper surface can be with
The through hole 2 of trimming situation is observed, the hole wall of through hole 2 forms blade 2a with the intersection of the upper surface of main body 1, and blade 2a is in circular arc line
Shape, for cutting sewing thread.It is in hook-shaped line hooking portion 3 that the side of the upper knife edge 2a cutting edge directions of main body 1, which has, being capable of rapidly hook
Firmly sewing thread, sewing thread is not easy to skid off line hooking portion 3, and enters the action of next step trimming.
Wire lead slot 4 is offered on the 7a of spigot surface one, wire lead slot 4 is between line hooking portion 3 and through hole 2, the side of wire lead slot 4
Through hole 2 is extended to, opposite side extends to line hooking portion 3, and the size of the notch of wire lead slot 4 gradually expands from through hole 2 to the direction of line hooking portion 3
Greatly.When line hooking portion 3 hooks sewing thread, sewing thread can pass through wire lead slot 4 and be resisted against at blade 2a, remaining sewing after trimming
Line is located in wire lead slot 4.When thread trimmer is swung, the sewing thread in wire lead slot 4 is arranged on the suction line of the opposite side of line hooking portion 3
Device 11 siphons away, and has cut line and has not needed manual cleaning afterwards, very easy to use.
The inclined 7a of spigot surface one is provided with main body 1, the 7a of spigot surface one is located in main body 1 and blade 2a cutting edge directions
Identical side, the upper knife edge 2a cutting edges of main body 1 have the 7b of spigot surface two being obliquely installed, spigot surface one towards opposite side
7a, the 7b of spigot surface two and blade 2a are respectively positioned on the upper surface of main body 1.By setting the inclined 7a of spigot surface one and spigot surface two
7b, sewing wire clamp is entered to serving guide effect between line hooking portion 3 and wire lead slot 4, thread trimmer and the phase separation trimming of stationary knife 12
When be not susceptible to interference, rotate smooth, the rotational stability of thread trimmer is good.
Also there is the hinged groove 6 for running through main body 1 in main body 1 relative to the blade 2a other end, main body 1 offers hinged groove
There is opening 8, opening 8 runs through the upper and lower surface of main body 1, and opening 8 is communicated to hinged groove 6 on the end face of 6 one end.
This thread trimmer is connected with drive mechanism, and drive mechanism includes crank 9, has bearing pin 10 on crank 9, bearing pin 10 blocks
Enter into the hinged groove 6 of thread trimmer, the middle part of main body 1 has hinge hole 5, is inserted with the hinge hole 5 at the middle part of main body 1 be hinged
Part, crank 9, which is swung, drives thread trimmer to be swung around articulated elements, realizes the actions such as trimming, reset.
Hinged groove 6 takes the shape of the letter U and inner cell wall is arc surface 6a, arc surface 6a and adjacent cell wall arc transition；Work as pin
When axle 10 snaps onto hinged groove 6, swing is more smooth, and hinge hole 5 rapidly can be aligned into installation site by swinging, then will
Articulated elements is fixed in hinge hole 5, and installation is very convenient.
During trimming, the crank 9 of drive mechanism acts, and the bearing pin 10 on crank 9 swings and then drives thread trimmer around articulated elements
Swing, line hooking portion 3 is hooked sewing thread and is resisted against by wire lead slot 4 on blade 2a cutting edge, blade 2a and the phase separation of stationary knife 12
By the cutting of sewing thread, remaining sewing thread is located in wire lead slot 4, and is arranged on the wire suction device 11 of thread trimmer side by remnants
Sewing thread siphon away, it is very easy to use.
When changing thread trimmer, the bearing pin 10 in hinge hole 5 is pulled down, then applies and makes thread trimmer away from the upper pin 10 of crank 9
Power, thread trimmer outwards can be removed and pulled down perpendicular to bearing pin 10, dismounting it is very convenient；, will when needing to install thread trimmer
The opening 8 of hinged groove 6 is directed at the position of the upper pin 10 of crank 9, and application makes bearing pin 10 snap onto the power in hinged groove 6, then around
Bearing pin 10, which swings thread trimmer, makes hinge hole 5 be directed at installation site, finally articulated elements is inserted into hinge hole 5, thread trimmer is just pacified
Install it is complete, installation it is very convenient.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (6)
1. a kind of thread trimmer, including the main body (1) in bar shaped tabular, one end of the main body (1) have blade (2a), the master
The middle part of body (1) has hinge hole (5), and main body (1) other end has the hinged groove (6) through main body (1) upper and lower surface,
Characterized in that, the main body (1), which offers, has opening (8) on the end face of above-mentioned hinged groove (6) one end, the opening (8)
Through main body (1) upper and lower surface, the opening (8) is communicated to hinged groove (6).
2. thread trimmer according to claim 1, it is characterised in that the hinged groove (6) takes the shape of the letter U, in the hinged groove (6)
The cell wall at end is arc surface (6a), the arc surface (6a) and adjacent slot walls arc transition.
3. thread trimmer according to claim 1 or 2, it is characterised in that there is the guiding being obliquely installed on the main body (1)
Face one (7a), the spigot surface one (7a) are located in main body (1) with blade (2a) cutting edge towards identical side, the main body
(1) there is the spigot surface two (7b) that is obliquely installed towards opposite side with blade (2a) cutting edge on, the spigot surface one (7a),
Spigot surface two (7b) is located at the same surface of main body (1) with blade (2a).
4. thread trimmer according to claim 3, it is characterised in that there is through hole (2) on main body (1) surface, it is described
The hole wall of through hole (2) forms above-mentioned blade (2a) with the intersection on main body (1) surface, and the blade (2a) is in circular arc wire.
5. thread trimmer according to claim 4, it is characterised in that it is in hook-shaped line hooking portion to have on the main body (1)
(3), the cutting edge of above-mentioned blade (2a) is set towards the side that main body (1) has line hooking portion (3).
6. thread trimmer according to claim 5, it is characterised in that wire lead slot (4) is offered on the spigot surface one (7a),
The wire lead slot (4) is located between line hooking portion (3) and through hole (2), and the side of the wire lead slot (4) extends to through hole (2), another
Side extends to line hooking portion (3), and the notch size of the wire lead slot (4) gradually expands from through hole (2) to line hooking portion (3) direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720787778.0U CN206873088U (en) | 2017-06-30 | 2017-06-30 | Thread trimmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720787778.0U CN206873088U (en) | 2017-06-30 | 2017-06-30 | Thread trimmer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206873088U true CN206873088U (en) | 2018-01-12 |
Family
ID=61332424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720787778.0U Active CN206873088U (en) | 2017-06-30 | 2017-06-30 | Thread trimmer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206873088U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109881389A (en) * | 2019-03-18 | 2019-06-14 | 杰克缝纫机股份有限公司 | For cutting the mechanism of sewing machine suture |
-
2017
- 2017-06-30 CN CN201720787778.0U patent/CN206873088U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109881389A (en) * | 2019-03-18 | 2019-06-14 | 杰克缝纫机股份有限公司 | For cutting the mechanism of sewing machine suture |
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