CN112030385A - Fixing device convenient to installation of sewing machine needle - Google Patents
Fixing device convenient to installation of sewing machine needle Download PDFInfo
- Publication number
- CN112030385A CN112030385A CN202011021839.5A CN202011021839A CN112030385A CN 112030385 A CN112030385 A CN 112030385A CN 202011021839 A CN202011021839 A CN 202011021839A CN 112030385 A CN112030385 A CN 112030385A
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- needle
- sewing machine
- needle tube
- eedle
- spring
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- 238000009958 sewing Methods 0.000 title claims abstract description 42
- 238000009434 installation Methods 0.000 title claims abstract description 10
- 239000007787 solid Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 6
- 238000001125 extrusion Methods 0.000 abstract description 5
- 206010044565 Tremor Diseases 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B55/00—Needle holders; Needle bars
- D05B55/02—Devices for fastening needles to needle bars
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention relates to the technical field of sewing machine needles, and discloses a fixing device convenient for installing a sewing machine needle, which comprises a needle tube, wherein sliding blocks are respectively connected on the left wall and the right wall of the needle tube in a sliding manner, a first spring is fixedly connected between the sliding blocks and the needle tube, an ejector rod is inserted in the upper part of each sliding block in a sliding manner, a second spring is movably sleeved on the right part of the ejector rod, a coaming is fixedly sleeved on the lower part of the needle tube, and symmetrical connecting blocks are respectively connected on the front wall and the rear wall of an inner cavity of the coaming in a sliding manner. This fixing device convenient to installation of sewing machine needle changes the roller through being provided with certain elastic symmetry for during the eedle inserts the needle tubing, can drive and change the roller and rotate, cooperation stay cord pulls down the slider, and the cooperation rotates the tighrening ring again, makes the ejector pin can be by the fixed eedle of extrusion, thereby avoided the user to hold between the fingers the condition emergence that the shakiness leads to the eedle to drop, can be convenient fix the eedle, convenience of customers knows whether the eedle is installed and targets in place.
Description
Technical Field
The invention relates to the technical field of sewing machine needles, in particular to a fixing device convenient for installing a sewing machine needle.
Background
The sewing machine needle is a thread connecting device for sewing materials in the sewing machine, and the needle is also called a sewing needle and is an important component accessory of the sewing machine.
At present, fixing device of partial sewing machine needle installation usefulness, it needs the user to send the eedle into the installation pipe by oneself when using, and on the way in inserting the eedle into the installation pipe, if the user hand accident is held between the fingers unstably, then can make the eedle drop, and very big possibility make the eedle drop to the inner chamber of sewing machine body in, cause and take out the difficulty, after putting the eedle into place, it is more complicated to the fixed locking process of eedle, can not be convenient fix the eedle, and often because user's misoperation, make the eedle not insert completely in the needle tubing, and the user can't in time discover again, and then can cause the eedle in later stage to collude the line difficulty, the condition of wire jumper appears.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the fixing device convenient for installing the sewing machine needle, which has the advantages of avoiding the condition that the sewing machine needle falls off due to unstable holding of a user, conveniently and quickly fixing the sewing machine needle, facilitating the user to know whether the sewing machine needle is installed in place and the like, and solves the problems.
(II) technical scheme
In order to achieve the purposes of avoiding the phenomenon that a needle falls off due to unstable holding of a user, conveniently and quickly fixing the needle, facilitating the user to know whether the needle is installed in place and the like, the invention provides the following technical scheme: a fixing device convenient for installing a sewing machine needle comprises a needle tube, wherein a slide block is connected to the left wall and the right wall of the needle tube in a sliding manner, a first spring is fixedly connected between the slide block and the needle tube, an ejector rod is inserted into the upper portion of the slide block in a sliding manner, a second spring is movably sleeved at the right portion of the ejector rod, a surrounding plate is fixedly sleeved at the lower portion of the needle tube, symmetrical connecting blocks are respectively connected to the front wall and the rear wall of an inner cavity of the surrounding plate in a sliding manner, a rotating roller is rotatably connected between the connecting blocks, a pull rope extending to the slide block is fixedly connected to the middle portion of the rotating roller, a third spring is fixedly connected between the connecting block and the side wall of the inner cavity of the surrounding plate, a fixing ring is fixedly connected to the outer side of the lower portion of the needle tube, a fastening ring is rotatably connected to the inner cavity of, and a fourth spring is fixedly connected between the clamping rod and the fastening ring.
Preferably, the lower part of the needle tube is provided with symmetrical notches, and the rotating rollers are positioned in the notches and extend into the inner cavity of the needle tube.
Preferably, the one end that the ejector pin kept away from the needle tubing is provided with the ball, and when it made things convenient for the tighrening ring to rotate the extrusion ejector pin, frictional force between the two was less, and then made things convenient for the tighrening ring to rotate.
Preferably, the surface of the roller is provided with a rough surface, so that the friction force between the roller and the needle can be increased.
Preferably, the middle part of the rotary roller is provided with a groove matched with the pull rope, when the rotary roller rotates to wind the pull rope, the pull rope can be wound in the groove, and then the influence on the contact of the rotary roller and the needle is avoided.
Preferably, set up the spacing groove that matches with the kelly on solid fixed ring's the lateral wall, when the user moved the kelly to a certain corresponding border position of spacing groove, can make the ejector pin by the biggest or minimum of extruded degree to the convenience is adjusted the fixed degree of eedle.
Preferably, be provided with the curved strip of symmetry on the inner chamber lateral wall of tighrening ring, through rotating the tighrening ring towards certain direction, can make with the ejector pin of curved strip same place horizontal plane, be extruded gradually by curved strip and move towards the inboard.
(III) advantageous effects
Compared with the prior art, the invention provides a fixing device convenient for installing a sewing machine needle, which has the following beneficial effects:
1. this fixing device convenient to installation of sewing machine needle inserts through the lower extreme with the eedle from the needle tubing for the eedle will change the roller and extrude, cooperates the third spring to exert certain reaction force to the eedle through changeing the roller, changes the roller and can press from both sides the eedle tightly, thereby has avoided the user to take the circumstances emergence of holding between the fingers the shakiness and leading to the eedle to drop.
2. This fixing device convenient to installation of sewing machine needle through sending into the eedle the needle in the way, and the eedle rubs with changeing the roller, leads to changeing the roller and rotates for the stay cord is received on it and is wound, and the slider is pulled down promptly, stretches into in the needle tubing and reaches the maximum after, and the slider just falls to the through-hole department of needle tubing lateral wall, corresponding rotation tighrening ring this moment, thereby can be convenient fix the eedle.
3. This fixing device convenient to installation of sewing machine needle, it rotates to drive the roller through the eedle, when the eedle does not reach accurate fixed position in the needle tubing, pass through the slider of stay cord pulling by the roller this moment, can not move the through-hole department to the needle tubing promptly yet, if the user rotates the tighrening ring this moment of correspondence, the ejector pin can not receive the extrusion of curved form strip promptly, corresponding user can not perceive the hindrance sense that the second spring brought, and then can judge that the eedle at this moment does not insert and target in place, thereby convenience of customers knows the eedle and whether installs and target in place.
Drawings
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is a front sectional view of a connecting portion of a slider or the like according to the present invention;
FIG. 3 is a front sectional view of a connecting portion of a fastening ring and the like of the present invention;
FIG. 4 is a top cross-sectional view of a connecting portion of a fixing ring and the like of the present invention;
FIG. 5 is a top cross-sectional view of the fastening ring of the present invention;
fig. 6 is a top cross-sectional view of a connecting portion such as a shroud of the present invention.
In the figure: 1. a needle tube; 2. a slider; 3. a first spring; 4. a top rod; 5. a second spring; 6. enclosing plates; 7. connecting blocks; 8. rotating the roller; 9. pulling a rope; 10. a third spring; 11. a fixing ring; 12. a fastening ring; 13. an extension bar; 14. a clamping rod; 15. and a fourth spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a fixing device for conveniently installing a needle of a sewing machine comprises a needle tube 1, a symmetrical opening is arranged at the lower part of the needle tube 1, a rotating roller 8 is arranged in the opening and extends into an inner cavity of the needle tube 1, a sliding block 2 is connected on the left wall and the right wall of the needle tube 1 in a sliding way, a first spring 3 is fixedly connected between the sliding block 2 and the needle tube 1, a push rod 4 is inserted in the upper part of the sliding block 2 in a sliding way, a ball is arranged at one end of the push rod 4 far away from the needle tube 1, when the push rod 4 is extruded by the rotation of a fastening ring 12, the friction force between the two is small, the fastening ring 12 is further convenient to rotate, the rotating roller 8 is driven by the needle to rotate, when the needle does not reach an accurate fixed position in the needle tube 1, the sliding block 2 pulled by the rotating roller 8 through a pull rope 9 can not move to a through hole of the needle tube 1, correspondingly, if the, the corresponding user can not perceive the blocking feeling brought by the second spring 5, and then the needle at the moment can be judged not to be inserted in place, so that the user can conveniently know whether the needle is installed in place.
A pull rope 9 extending to the sliding block 2 is fixedly connected to the middle of the rotating roller 8, a third spring 10 is fixedly connected between the connecting block 7 and the side wall of the inner cavity of the surrounding plate 6, a fixing ring 11 is fixedly connected to the outer side of the lower part of the needle tube 1, a limiting groove matched with the clamping rod 14 is formed in the side wall of the fixing ring 11, when a user moves the clamping rod 14 to a certain corresponding edge position of the limiting groove, the extrusion degree of the ejector rod 4 can be maximum or minimum, so that the fixing degree of the machine needle can be conveniently adjusted, a fastening ring 12 is rotatably connected to the inner cavity of the fixing ring 11, symmetrical curved strips are arranged on the side wall of the inner cavity of the fastening ring 12, the ejector rod 4 on the same horizontal plane as the curved strips can be gradually extruded by the curved strips to move towards the inner side by rotating the fastening ring 12 towards a certain direction, an extending strip 13 is fixedly connected to the right end of the fastening ring 12, and the upper end of the extending, fixedly connected with fourth spring 15 between kelly 14 and the tighrening ring 12, through sending into the eedle needle tube 1 on the way, the eedle needle with change 8 frictions of roller, lead to changeing 8 rotations of roller, make stay cord 9 receive on it and wind, slider 2 is pulled down promptly, after the eedle needle stretches into in needle tube 1 and reaches the maximum, slider 2 just falls to the through-hole department of needle tube 1 lateral wall, corresponding tighrening ring 12 that rotates this moment, thereby can be convenient fix the eedle needle.
The working principle is as follows: the fixing device convenient for installing the sewing machine needle is characterized in that when the sewing machine needle is installed, the sewing machine needle is inserted from the lower end of a needle tube 1, so that rotating rollers 8 on two sides are squeezed open at the top of the sewing machine needle, then the sewing machine needle is completely squeezed through the rotating rollers 8, third springs 10 on two sides are compressed to a certain degree, a certain reaction force is applied to the sewing machine needle through a connecting block 7 and the rotating rollers 8 by matching with the third springs 10, the sewing machine needle can be clamped by the rotating rollers 8 on two sides, so that the lower half part of the sewing machine needle is not dropped after being separated from the hand support of a user, the situation that the sewing machine needle drops due to the pinching of the user is avoided, on the way of sending the sewing machine needle into the needle tube 1, the sewing machine needle continuously generates larger friction with the rotating rollers 8 on two sides, then the rotating rollers 8 on two sides rotate towards a certain direction, so that a pull rope 9 winds on the pulling-up slider 2 on the upper part of the pulling-down, and, namely, after the top end of the machine needle contacts with the upper wall of the inner cavity of the needle tube 1, the slide block 2 is just pulled to fall to the through hole of the side wall of the needle tube 1, and the ejector rod 4 is kept horizontal with the through hole, at the moment, the corresponding clamping rod 14 is pulled, so that the upper part of the clamping rod 14 is separated from the contact with the inner wall of the limiting groove on the fixing ring 11, the clamping ring 12 is driven to rotate towards a certain direction by pinching the clamping rod 14 and rotates for a certain angle, the curved strip of the inner cavity of the clamping ring 12 gradually extrudes the ejector rods 4 at two sides into the through hole on the side wall of the needle tube 1, and continues to move towards the inside of the needle tube 1 until the machine needle is extruded, then the clamping rod 14 is loosened to automatically reset under the action of the fourth spring 15, the clamping rod 14 is then contacted with the inner wall of the limiting groove of the fixing ring 11, and the friction force between the clamping rod 14 and the fixing ring 12 is, because the whereabouts distance of slider 2 is decided by the number of turns of commentaries on classics roller 8 pivoted, consequently when the eedle does not reach accurate fixed position in needle tubing 1, the slider 2 of 9 pulling of stay cord is passed through by commentaries on classics roller 8 this moment, can not move to the through-hole department of needle tubing 1 yet, if the user rotates tighrening ring 12 this moment correspondingly, ejector pin 4 can not receive the extrusion of curved form strip promptly, corresponding user can not perceive the hindrance that second spring 5 brought and feel, and then can judge the eedle of this moment and not insert target in place, thereby convenience of customers knows the eedle and whether install target in place.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A fixing device convenient for installation of a sewing machine needle comprises a needle tube (1), and is characterized in that: the needle tube comprises a needle tube (1), a slide block (2) is connected to the left wall and the right wall of the needle tube (1) in a sliding mode, a first spring (3) is fixedly connected between the slide block (2) and the needle tube (1), an ejector rod (4) is inserted to the upper portion of the slide block (2) in a sliding mode, a second spring (5) is movably sleeved on the right portion of the ejector rod (4), a surrounding plate (6) is fixedly sleeved on the lower portion of the needle tube (1), symmetrical connecting blocks (7) are connected to the front wall and the rear wall of an inner cavity of the surrounding plate (6) in a sliding mode, a rotating roller (8) is rotatably connected between the connecting blocks (7), a pull rope (9) extending to the slide block (2) is fixedly connected to the middle of the rotating roller (8), a third spring (10) is fixedly connected between the connecting blocks (7) and the side wall of the inner cavity of, the inner chamber of solid fixed ring (11) rotates and is connected with tighrening ring (12), the right-hand member fixedly connected with of tighrening ring (12) extends strip (13), the upper end sliding connection who extends strip (13) has kelly (14) that extends to on solid fixed ring (11), fixedly connected with fourth spring (15) between kelly (14) and tighrening ring (12).
2. A fastening device for facilitating needle mounting in a sewing machine according to claim 1, wherein: the lower part of the needle tube (1) is provided with symmetrical notches.
3. A fastening device for facilitating needle mounting in a sewing machine according to claim 1, wherein: and a ball is arranged at one end of the ejector rod (4) far away from the needle tube (1).
4. A fastening device for facilitating needle mounting in a sewing machine according to claim 1, wherein: the surface of the rotating roller (8) is provided with a rough surface.
5. A fastening device for facilitating needle mounting in a sewing machine according to claim 1, wherein: the middle part of the rotating roller (8) is provided with a groove matched with the pull rope (9).
6. A fastening device for facilitating needle mounting in a sewing machine according to claim 1, wherein: and a limit groove matched with the clamping rod (14) is formed in the side wall of the fixing ring (11).
7. A fastening device for facilitating needle mounting in a sewing machine according to claim 1, wherein: symmetrical curved strips are arranged on the side wall of the inner cavity of the fastening ring (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011021839.5A CN112030385B (en) | 2020-09-25 | 2020-09-25 | Fixing device convenient to installation of sewing machine needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011021839.5A CN112030385B (en) | 2020-09-25 | 2020-09-25 | Fixing device convenient to installation of sewing machine needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112030385A true CN112030385A (en) | 2020-12-04 |
| CN112030385B CN112030385B (en) | 2021-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011021839.5A Active CN112030385B (en) | 2020-09-25 | 2020-09-25 | Fixing device convenient to installation of sewing machine needle |
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| CN (1) | CN112030385B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112877926A (en) * | 2020-12-26 | 2021-06-01 | 佛山市顺德区龙江镇友联针织制衣有限公司 | Patch pocket machine of accurate location |
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| JPH105471A (en) * | 1996-06-20 | 1998-01-13 | Janome Sewing Mach Co Ltd | Needle bar support body of zigzag sewing machine |
| CN101041927A (en) * | 2006-03-22 | 2007-09-26 | 格罗兹-贝克特两合公司 | Needle holder for a sewing machine |
| CN101348975A (en) * | 2007-07-19 | 2009-01-21 | 格罗兹-贝克特公司 | Clamping device for needles |
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| US20180080156A1 (en) * | 2016-09-16 | 2018-03-22 | Janome Sewing Machine Co., Ltd. | Sewing machine |
| CN108950884A (en) * | 2018-09-29 | 2018-12-07 | 湖州周鼎纺织品有限公司 | A kind of industrial sewing machines |
| US20190145035A1 (en) * | 2016-07-27 | 2019-05-16 | Brother Kogyo Kabushiki Kaisha | Needle mounting device and sewing machine |
-
2020
- 2020-09-25 CN CN202011021839.5A patent/CN112030385B/en active Active
Patent Citations (7)
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|---|---|---|---|---|
| JPH105471A (en) * | 1996-06-20 | 1998-01-13 | Janome Sewing Mach Co Ltd | Needle bar support body of zigzag sewing machine |
| CN101041927A (en) * | 2006-03-22 | 2007-09-26 | 格罗兹-贝克特两合公司 | Needle holder for a sewing machine |
| CN101348975A (en) * | 2007-07-19 | 2009-01-21 | 格罗兹-贝克特公司 | Clamping device for needles |
| CN104975436A (en) * | 2015-07-03 | 2015-10-14 | 西安标准工业股份有限公司 | Chain type waist sewing machine of flat machine mechanism |
| US20190145035A1 (en) * | 2016-07-27 | 2019-05-16 | Brother Kogyo Kabushiki Kaisha | Needle mounting device and sewing machine |
| US20180080156A1 (en) * | 2016-09-16 | 2018-03-22 | Janome Sewing Machine Co., Ltd. | Sewing machine |
| CN108950884A (en) * | 2018-09-29 | 2018-12-07 | 湖州周鼎纺织品有限公司 | A kind of industrial sewing machines |
Non-Patent Citations (1)
| Title |
|---|
| 匿名: "《织针、句针和缝纫针的联合应用》", 《纺织器材通讯》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112877926A (en) * | 2020-12-26 | 2021-06-01 | 佛山市顺德区龙江镇友联针织制衣有限公司 | Patch pocket machine of accurate location |
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| Publication number | Publication date |
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| CN112030385B (en) | 2021-12-10 |
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Effective date of registration: 20211125 Address after: 318050 Tangshang village, Jinqing Town, Luqiao District, Taizhou City, Zhejiang Province Applicant after: ZHEJIANG KEMA POWER MACHINERY Co.,Ltd. Address before: 543100 No.17, mulu group, Xuetian village, Shiqiao Town, Cangwu County, Wuzhou City, Guangxi Zhuang Autonomous Region Applicant before: Li Canpei |
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