CN101868571A - Latch needle for circular knitting machine - Google Patents
Latch needle for circular knitting machine Download PDFInfo
- Publication number
- CN101868571A CN101868571A CN200880116841A CN200880116841A CN101868571A CN 101868571 A CN101868571 A CN 101868571A CN 200880116841 A CN200880116841 A CN 200880116841A CN 200880116841 A CN200880116841 A CN 200880116841A CN 101868571 A CN101868571 A CN 101868571A
- Authority
- CN
- China
- Prior art keywords
- pinhock
- needle
- connecting portion
- recess
- knitting machine
- 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
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
- D04B35/02—Knitting tools or instruments not provided for in group D04B15/00 or D04B27/00
- D04B35/04—Latch needles
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Abstract
Provided is a latch needle for a circular knitting machine, which has a relatively simple structure but can knit a double loop fabric stable in a fine gauge. In the circular knitting machine latch needle (7), a recess (8) is formed between a connecting portion (4) and a hook (5), and an angle (a), which is formed by the inner wall (10) of the hook (5) together with the upper face (11) of the connecting portion (4), is made less than 55 degrees. It is preferred that the radius (Rb) of a curve to form the recess (8) is made less than 0.25 mm, that the step (H) between the recess (8) and the upper face (11) of the connecting portion (4) is at least 0.03 mm, and that the radius (Ra) of the inner wall (10) of the hook (5) is at least 1.0 mm.
Description
Technical field
The latch needles that the present invention relates in circular knitter, use (below, abbreviate " latch needles " as).
Background technology
The center that the pinhock of latch needles in the past roughly is divided into round needle hook, pinhock is near from needle back plaiting pinhock far away three kinds of the center of the reverse plating pinhock of needle back, pinhock.The present invention relates to reverse plating pinhock wherein.
In reverse plating pinhock in the past, be difficult to braiding double fabric braided fabric (double Le one プ Knitting ground) in 28 needle gages or 32 needle gages or the distance of the fine needle more than it.In order to address this is that, in following patent documentation 1 and 2, proposed to have the latch needles of the pinhock of novel shape.
The latch needles of following patent documentation 1 forms the structure that forms projection and be divided into wire gauze and plaiting in pinhock.
The latch needles of following patent documentation 2 has the separation edge that is used for separating draw thread in pinhock and keeps.
Patent documentation 1: Japan opens flat 6-33986 in fact
Patent documentation 2: TOHKEMY 2001-348763
In order to make the latch needles of above-mentioned patent documentation 1 and 2, form projection or edge in the short space in so-called pinhock of having to, but be difficult to carry out such processing technically, need processing especially.In addition, in latch needles in the past, be difficult to make wire gauze and plaiting according to the position stability of wish in pinhock.
Summary of the invention
The object of the present invention is to provide a kind of relatively simple for structure and can fine needle apart from the latch needle for circular knitting machine of the stable double fabric braided fabric of braiding.
Latch needle for circular knitting machine of the present invention, it has: at least one stitch portion; The pin cheek that is provided with at least one end of needle handle portion; From the pinhock of this pin cheek via the connecting portion setting that is positioned at the position higher than needle back; The needle latch that axle is supported on described pin cheek and can circles round is characterized in that, is provided with recess between described connecting portion and described pinhock, and the angle [alpha] that the upper surface of the madial wall of described pinhock and connecting portion forms is less than 55 degree.
In the present invention, recess is set, and wire gauze is formed the pinhock madial wall to recess give angle near the state of straight line with guiding reliably at the root of the pinhock of latch needle for circular knitting machine.Therefore, the wire gauze that is introduced in the pinhock guides to recess, with the distance that postpones to enter the plaiting in the pinhock from, therefore, can weave stable double fabric braided fabric.
According to the present invention, the record in the comparative experiments is the same as described later, compares with the double fabric braided fabric (for example, the double fabric braided fabric of continuous 80 numbers and 22 fens Tekes of polyurethane elastic yarn) that the conventional art pin is difficult to carry out, and can ideally weave.
Description of drawings
Fig. 1 is the overall diagram of the latch needle for circular knitting machine of the first embodiment of the present invention.
Fig. 2 is the pinhock enlarged drawing of the first embodiment of the present invention.
Fig. 3 is the knitting process figure in the first embodiment of the present invention.
Fig. 4 (a) is based on the enlarged photograph of braided fabric of the latch needles of the present application.
Fig. 4 (b) is based on the enlarged photograph of the braided fabric of pin in the past.
The specific embodiment
In the present invention, by being set, recess carries out the pin sewing in the pinhock of latch needles, form the pinhock madial wall near the state of straight line and make pinhock and angle that connecting portion forms becomes acute angle, supply with and the wire gauze that is introduced in the pinhock guides to recess reliably and make from upside.
In the scope that the preferred yarn of described recess moves in pinhock sleekly, cave in greatly than the upper surface of connecting portion as far as possible.Its reason is, constitutes by such, the distance that can make wire gauze and plaiting from.The difference of height of the upper surface of described recess and described connecting portion is that amount of recess preferably is at least 0.03mm, more preferably 0.04～0.06mm, especially preferably 0.05mm.The radius of curve that forms recess is preferably less than 0.25mm, and more preferably 0.10～0.20mm is about especially preferred 0.15mm.
In the scope that the preferred yarn of described madial wall of described pinhock can move sleekly, form state near straight line in pinhock.Its reason is, constitutes by such, wire gauze can be guided reliably to recess.The radius of the described madial wall of described pinhock preferably is at least 1.0mm, and more preferably 1.2～1.8mm is about especially preferred 1.5mm.The angle that the described madial wall of described pinhock and the upper surface of connecting portion form must be less than 55 degree, and preferred 40～50 degree are about especially preferred 45 degree.
Below, based on accompanying drawing, embodiments of the invention are described.
Fig. 1 is the overall diagram of the latch needles 7 of first embodiment of the invention.Fig. 2 is the enlarged drawing of its pinhock.Fig. 3 is the stereogram that the braiding process of this latch needles has been used in expression.
As shown in Figure 1, latch needles 7 of the present invention also with in the past latch needles in the same manner, as basic structure member, be provided with needle section A, needle handle portion 2, at least one stitch 1, pin rearward end 16.
As shown in Figure 2, needle section A comprises: pinhock 5; The needle latch 6 that pinhock 5 is opened and closed; With can the circle round pin cheek 3 of ground axle suspension of needle latch 6; Connect the connecting portion 4 between pin cheek 3 and the pinhock 5.Connecting portion 4 is positioned at the position slightly higher than needle back 9.
The invention is characterized between connecting portion 4 and pinhock 5 to be provided with recess 8, and, the madial wall 10 of pinhock 5 and the angle [alpha] of upper surface 11 formation of connecting portion 4 are spent less than 55.
In order to form recess 8, the lateral wall 12 of recess 8 than the lower surface 13 of connecting portion 4 to needle back 9 lateral processes.
And then the radius R a of the madial wall 10 of pinhock 5 is made as 1.0mm at least, and the radius R b that forms the curve of recess 8 is made as less than 0.25mm, and recess 8 is made as 0.03mm at least with the difference of height H of the upper surface 11 of connecting portion 4.
If use the latch needles 7 that forms like this, then as shown in Figure 3, wire gauze 14 is supplied with from the top and is introduced in the pinhock 5, when latch needles 7 moves when descending simultaneously to the direction of arrow P, by pinhock madial wall 10 it is guided reliably to recess 8.Plaiting 15 enters in the pinhock from downside supply and delay.Thereby, the latch needles of the application of the invention, the distance that can make wire gauze and plaiting from.
Use pin and pin of the present invention in the past, carry out effect and confirm experiment.The braiding condition is as described below." pin in the past " only is meant and do not have pins different with pin of the present invention on the feature this point of the present invention as used herein.
The knitting machine that uses: the former smart mechanism of (strain) good fortune do OD2-VXC-3FA, 34 inches, 36 needle gage machines
The latch needles that uses: latch needles in the past and based on latch needles of the present invention
The yarn that uses: continuous 80/1 number (yarn length 240mm/100 longitude circle (wale)), 22 fens Tekes (yarn length is the 82mm/100 longitude circle) of polyurethane elastic yarn
The braided fabric of braiding: double fabric braided fabric
To be shown as Fig. 4 (a), Fig. 4 (b) based on the braided fabric of the latch needles of the present application with based on the enlarged photograph of the braided fabric of pin in the past.In the braided fabric that has used latch needles in the past (Fig. 4 (b)), the part of coil level depression is arranged in central portion.This adds husky part for wrong, and cotton yarn and polyurethane elastic yarn (Lycra (lycra) (registration mark) or the garment of thin silk can (roica) (registration mark) etc.) be replaced in pinhock, therefore, seem depression.In braided fabric (Fig. 4 (a)) based on the latch needles of the present application, there is not such braiding damage, can ideally weave.
Claims (7)
1. a latch needle for circular knitting machine (7), it has: at least one stitch portion (1); The pin cheek (3) that is provided with at least one end of needle handle portion (2); From the pinhock (5) of this pin cheek (3) via connecting portion (4) setting that is positioned at the position higher than needle back (9); The axle needle latch (6) that is supported on described pin cheek (3) and can circles round, described latch needle for circular knitting machine (7) be characterised in that,
Between described connecting portion (4) and described pinhock (5), be provided with recess (8),
The madial wall (10) of described pinhock (5) is spent less than 55 with the angle (α) that the upper surface (11) of connecting portion (4) forms.
2. latch needle for circular knitting machine according to claim 1 (7) is characterized in that,
The radius (Rb) of curve that forms described recess (8) is less than 0.25mm, and the difference of height (H) of described recess (8) and the upper surface (11) of described connecting portion (4) is at least 0.03mm.
3. latch needle for circular knitting machine according to claim 2 (7) is characterized in that,
The radius (Rb) that forms the curve of described recess (8) is 0.10～0.20mm, and the difference of height (H) of the upper surface (11) of described recess (8) and described connecting portion (4) is 0.04～0.06mm.
4. according to each described latch needle for circular knitting machine (7) in the claim 1～3, it is characterized in that,
In order to form described recess (8), the lateral wall (12) of described recess (8) than the lower surface (13) of described connecting portion (4) more to described needle back (9) lateral process.
5. according to each described latch needle for circular knitting machine (7) in the claim 1～4, it is characterized in that,
The radius (Ra) of the described madial wall (10) of described pinhock (5) is at least 1.0mm.
6. latch needle for circular knitting machine according to claim 5 (7) is characterized in that,
The radius (Ra) of the described madial wall (10) of described pinhock (5) is 1.2～1.8mm.
7. the latch needles of using according to each described circular knitter in the claim 1～6 (7) is characterized in that,
The described madial wall (10) of described pinhock (5) is 40～50 degree with the angle that the upper surface (11) of connecting portion forms.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007-308129 | 2007-11-29 | ||
| JP2007308129A JP5300252B2 (en) | 2007-11-29 | 2007-11-29 | Knitting needles for circular knitting machines |
| PCT/JP2008/003336 WO2009069261A1 (en) | 2007-11-29 | 2008-11-17 | Latch needle for circular knitting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101868571A true CN101868571A (en) | 2010-10-20 |
| CN101868571B CN101868571B (en) | 2012-01-25 |
Family
ID=40678175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008801168411A Expired - Fee Related CN101868571B (en) | 2007-11-29 | 2008-11-17 | Latch needle for circular knitting machine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5300252B2 (en) |
| CN (1) | CN101868571B (en) |
| WO (1) | WO2009069261A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425182A (en) * | 2017-02-13 | 2018-08-21 | 风琴针株式会社 | Latch needles |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101969372B1 (en) * | 2018-12-27 | 2019-04-16 | 이일영 | Circular knitting machine |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1629454A (en) * | 1925-11-18 | 1927-05-17 | Torrington Co | Latch knitting needle |
| US2132778A (en) * | 1934-11-08 | 1938-10-11 | Cole Alfred Reymes | Knitted fabric and the production thereof |
| US2129593A (en) * | 1937-06-05 | 1938-09-06 | Scott & Williams Inc | Method of plaiting knit fabric |
| GB501508A (en) * | 1938-09-16 | 1939-02-28 | Max Nebel | Improvements in and relating to latch needles for knitting machines |
| US3423962A (en) * | 1966-04-11 | 1969-01-28 | Bentley Eng Co Ltd | Circular knitting machines |
| CN2069870U (en) * | 1989-11-02 | 1991-01-23 | 如东县织针厂 | Once-through formation glove-knitting needle |
| JPH0633986U (en) * | 1992-10-06 | 1994-05-06 | 協和製針有限会社 | Knife for knitting |
| DE10018897A1 (en) * | 2000-04-14 | 2001-10-25 | Sipra Patent Beteiligung | Latch needle for a knitting machine has at least one dividing edge at the inner side of the hook to give defined holding zones for different yarns at the same time for special effects in the fabric |
| CN2603099Y (en) * | 2003-02-21 | 2004-02-11 | 程林森 | Knitting needle for flat knitting machine |
| CN2618930Y (en) * | 2003-04-24 | 2004-06-02 | 骏隆机械有限公司 | Latch needle of weft round knitting machine |
| CN1789531A (en) * | 2004-12-15 | 2006-06-21 | 唐欢利 | Knitting needle of interlock machine |
| KR100621311B1 (en) * | 2005-09-07 | 2006-09-06 | 정이신 | Method for two-faced knitting by flat knitting intarsia machine |
-
2007
- 2007-11-29 JP JP2007308129A patent/JP5300252B2/en not_active Expired - Fee Related
-
2008
- 2008-11-17 WO PCT/JP2008/003336 patent/WO2009069261A1/en active Application Filing
- 2008-11-17 CN CN2008801168411A patent/CN101868571B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425182A (en) * | 2017-02-13 | 2018-08-21 | 风琴针株式会社 | Latch needles |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009069261A1 (en) | 2009-06-04 |
| JP5300252B2 (en) | 2013-09-25 |
| CN101868571B (en) | 2012-01-25 |
| JP2009133014A (en) | 2009-06-18 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120125 Termination date: 20201117 |
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| CF01 | Termination of patent right due to non-payment of annual fee |