CN111648057A - Needle fixing device for sewing machine - Google Patents
Needle fixing device for sewing machine Download PDFInfo
- Publication number
- CN111648057A CN111648057A CN202010558447.6A CN202010558447A CN111648057A CN 111648057 A CN111648057 A CN 111648057A CN 202010558447 A CN202010558447 A CN 202010558447A CN 111648057 A CN111648057 A CN 111648057A
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- CN
- China
- Prior art keywords
- connecting pipe
- needle
- sewing machine
- main body
- wedge
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- 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.)
- Withdrawn
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Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B55/00—Needle holders; Needle bars
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B81/00—Sewing machines incorporating devices serving purposes other than sewing, e.g. for blowing air, for grinding
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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 machines, and discloses a needle fixing device for a sewing machine, which comprises an equipment main body, wherein the lower end of the equipment main body is movably connected with a connecting pipe, the left end of the connecting pipe is fixedly connected with an air bag column extending to the equipment main body, an air storage bag is arranged in an upper inner cavity of the connecting pipe, air guide grooves are formed in the left wall and the right wall of the connecting pipe, a partition plate is fixedly arranged in the middle inner cavity of the connecting pipe, and an elastic I-shaped rod is movably connected in the middle of the partition plate. This needle fixing device that sewing machine was used, through needle extrusion elasticity I-shaped pole for the metal pearl makes the wedge with the sheetmetal contact warning, and the cooperation is rotated adjusting screw and is made the wedge, and the fixed needle of extrusion mounting plate when cooperation elasticity I-shaped pole moves up, leads to the gas storage bag to bleed, thereby has avoided the emergence of later stage needle wire jumper problem, has increaseed the stability of needle installation, has promoted the accuracy of needle installation.
Description
Technical Field
The invention relates to the technical field of sewing machines, in particular to a needle fixing device for a sewing machine.
Background
The machine needle is also called sewing needle and sewing needle, and is an important component accessory of sewing machine, the varieties of the machine needle are only made in China and are hundreds, in the sewing process, in order to achieve the ideal matching of the machine needle with sewing material and sewing thread, a proper machine needle must be selected, the working property of the machine determines the selection of the machine needle, and machines with different properties are equipped with machine needles with different models and specifications.
At present, general eedle is at the in-process of installation, because of there not being a structure that can conveniently remind the user to install and target in place, and then lead to the user not to take place occasionally with the condition that the eedle installed and target in place, the eedle is not installed and is just used in target in place, the condition of wire jumper appears when can make the later stage sewing, influence the processing progress very much, and when fixing the eedle, general device adopts the mode of threaded rod screwing up to go on, eedle atress contact site is less like this, stability is not strong, and corresponding installation mechanism is after long-time use, because of the many debris such as batting that exist in the sewing environment, it can fly into and the inner chamber of adhesion at the eedle installation pipe, when the installation next time of eedle, cause the influence to the positioning accuracy of.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the needle fixing device for the sewing machine, which has the advantages of avoiding the problem of needle jumping in the later period, improving the stability of needle installation, improving the accuracy of needle installation and the like, and solves the problems.
(II) technical scheme
In order to achieve the purposes of avoiding the problem of needle jumping at the later stage, improving the stability of needle installation, improving the accuracy of needle installation and the like, the invention provides the following technical scheme: a needle fixing device for a sewing machine comprises an equipment main body, wherein the lower end of the equipment main body is movably connected with a connecting pipe, the left end of the connecting pipe is fixedly connected with an air bag column extending to the equipment main body, an air storage bag is arranged in an upper inner cavity of the connecting pipe, air guide grooves are formed in the left wall and the right wall of the connecting pipe, a partition plate is fixedly arranged in the middle inner cavity of the connecting pipe, an elastic I-shaped rod is movably connected in the middle of the partition plate, symmetrical metal beads are arranged on the inner side of the lower part of the elastic I-shaped rod, symmetrical curved connecting frames are fixedly connected to the upper end of the elastic I-shaped rod, sliding grooves are formed in the left side and the right side of the upper part of the connecting pipe, a blocking rod is slidably connected to the inner cavity of each sliding groove, an air nozzle is rotatably connected to, the inner chamber sliding connection of installation piece has the wedge, rotate on the installation piece and be connected with the adjusting screw who extends to on the wedge, the inner chamber left part slip grafting of installation piece has the mounting plate.
Preferably, the lower end of the partition board is provided with symmetrical metal sheets, and when the metal beads are in contact with the metal sheets, the corresponding reminding device can be started.
Preferably, the inner cavity of the sliding groove is provided with a sealing ring matched with the blocking rod, and the sealing ring can prevent the gas from leaking when the gas guide groove releases gas.
Preferably, the blocking rod is provided with a vent hole, and the vent hole is dislocated with the air guide groove when the blocking rod is in an initial state.
Preferably, the wedge-shaped block is provided with a threaded through hole, and when an adjusting screw rod extending into the threaded through hole rotates along a certain direction, the wedge-shaped block can move leftwards or rightwards.
Preferably, the front end and the rear end of the adjusting screw are both provided with limiting discs, and the adjusting screw can be prevented from being unscrewed from the mounting block and being lost.
Preferably, the left lower end of the fastening plate is provided with a chamfer, the chamfer prevents the fastening plate from accidentally moving into the inner cavity of the connecting pipe, and the fastening plate can be pushed open along the chamfer by the needle top when the machine needle is installed.
(III) advantageous effects
Compared with the prior art, the invention provides a needle fixing device for a sewing machine, which has the following beneficial effects:
1. this eedle fixing device that sewing machine was used, fill in through the lower extreme with the eedle from the connecting pipe, and drive the rebound, the eedle rises to the certain distance after, elasticity I-shaped pole can be extruded on its top, treat that when continuing to send into the eedle, the eedle can jacking elasticity I-shaped pole, make the sheetmetal contact of metal pearl and both sides above that, the warning light in the starting equipment main part, after not sending the eedle into the assigned position, the warning light can not light promptly, and then convenience of customers knows the eedle and whether install in place, thereby the emergence of later stage eedle wire jumper problem has been avoided.
2. This eedle fixing device that sewing machine was used, through with the eedle installation back that targets in place, rotate adjusting screw towards certain direction, drive wedge and remove to the place ahead, the wedge is then extruded the mounting plate towards the left side for it is crowded to the eedle side, because the relative increase of mounting plate with the area of contact of eedle, and then make the eedle fixed comparatively firm, thereby strengthened the stability of eedle installation.
3. This eedle fixing device that sewing machine used, through back in sending into the connecting pipe with the eedle, eedle top extrusion elasticity I-shaped pole, make it drive curved type and link the frame and shift up, curved type links the frame and then drives the blocking pole of both sides and remove to the middle part, make air vent and air guide groove intercommunication on it, the gas storage bag of inflation then extrudees inside gas out, send into the lower part inner chamber of connecting pipe through the air guide groove, blow off objects such as the batting of adhesion at the inside pipe wall, prevent that its installation to the eedle from causing the influence, thereby the accuracy of eedle installation has been promoted.
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 connecting pipe and the like of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is an enlarged view at B in FIG. 2;
FIG. 5 is a top view of the wedge and adjustment screw of the present invention;
FIG. 6 is a top view of a fastening plate of the present invention;
fig. 7 is a front sectional view of a connecting portion such as a mounting block of the present invention.
In the figure: 1. an apparatus main body; 2. a connecting pipe; 3. an air bag column; 4. a gas storage bag; 5. a gas guide groove; 6. a partition plate; 7. an elastic I-shaped rod; 8. a metal bead; 9. a curved connecting frame; 10. a sliding groove; 11. a blocking rod; 12. a gas showerhead; 13. mounting blocks; 14. a wedge block; 15. adjusting the screw rod; 16. and (7) fastening the plate.
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. 1-7, a needle fixing device for a sewing machine includes a device body 1, a warning light is disposed at the right end of the device body 1, a connecting pipe 2 is movably connected to the lower end of the device body 1, an elastic h-shaped rod 7 is extruded from the top end of the needle after the needle is fed into the connecting pipe 2, so that the elastic h-shaped rod drives a curved connecting frame 9 to move upwards, the curved connecting frame 9 then drives blocking rods 11 at two sides to move towards the middle part, so that air holes on the curved connecting frame are communicated with an air guide groove 5, an expanded air storage bag 4 then extrudes internal air, the internal air is fed into an inner cavity at the lower part of the connecting pipe 2 through the air guide groove 5, lint and the like adhered to the inner wall of the pipe are blown off, the influence on the needle installation is prevented, and the needle installation accuracy is improved.
The left end of the connecting pipe 2 is fixedly connected with an air bag column 3 extending to the equipment main body 1, an upper inner cavity of the connecting pipe 2 is provided with an air storage bag 4, the air storage bag 4 is provided with a pressure valve for automatically discharging air when certain pressure is reached, the left wall and the right wall of the connecting pipe 2 are both provided with air guide grooves 5, a middle inner cavity of the connecting pipe 2 is fixedly provided with a partition plate 6, the lower end of the partition plate 6 is provided with symmetrical metal sheets, when the metal beads 8 are contacted with the metal sheets, corresponding reminding devices can be started, the middle part of the partition plate 6 is movably connected with an elastic I-shaped rod 7, the inner side of the lower part of the elastic I-shaped rod 7 is provided with symmetrical metal beads 8, a machine needle is plugged in from the lower end of the connecting pipe 2 and driven to move upwards, the top end of the machine needle can extrude the elastic I-shaped rod 7 after the machine needle rises to a certain distance, make the sheetmetal contact of metal pearl 8 and both sides on it, start the warning light on the equipment main part 1, after not sending into the eedle designated position, the warning light can not light promptly, and then convenience of customers knows the eedle and whether installs in place to the emergence of later stage eedle wire jumper problem has been avoided.
The upper end of the elastic I-shaped rod 7 is fixedly connected with symmetrical curved connecting frames 9, the left side and the right side of the upper part of the connecting pipe 2 are both provided with sliding grooves 10, the inner cavity of the sliding groove 10 is provided with a sealing ring matched with the blocking rod 11, which can prevent gas leakage when the gas guide groove 5 releases gas, the inner cavity of the sliding groove 10 is slidably connected with the blocking rod 11, the blocking rod 11 is provided with a vent hole, the vent hole is dislocated with the gas guide groove 5 when the blocking rod 11 is in an initial state, the left side of the bottom of the connecting pipe 2 is rotatably connected with a gas spraying head 12, the right end of the connecting pipe 2 is fixedly connected with a mounting block 13, the inner cavity of the mounting block 13 is slidably connected with a wedge block 14, the wedge block 14 is provided with a threaded through hole, when an adjusting screw 15 extending into the threaded through hole rotates along a certain direction, the wedge block 14 can move leftwards or right, adjusting screw 15's front end and rear end all are provided with spacing dish, it can prevent that adjusting screw 15 from unscrewing from installation piece 13 and losing, the inner chamber left part of installation piece 13 slides and pegs graft there is mounting plate 16, the left part lower extreme of mounting plate 16 is provided with the chamfer, it prevents that mounting plate 16 from accidentally moving to the inner chamber of connecting pipe 2 in, the usable needle top pushes up mounting plate 16 along the chamfer in the installation, through with the eedle installation back that targets in place, rotate adjusting screw 15 towards the certain direction, drive wedge 14 and remove forward, wedge 14 extrudes mounting plate 16 towards the left side then, make it extruded to the eedle side, because mounting plate 16 relative increase with the area of contact of eedle, and then make the eedle fixed comparatively firm, thereby the stability of eedle installation has been increaseed.
The working principle is as follows: the needle fixing device for the sewing machine is characterized in that a needle is inserted from the lower end of a connecting pipe 2 and driven to move upwards, after the needle rises to a certain distance, the top end of the needle can extrude an elastic I-shaped rod 7, when the needle is continuously fed, the needle can lift the elastic I-shaped rod 7, metal beads 8 on the needle can be contacted with metal sheets on two sides of the lower end of a partition plate 6, then a warning lamp on an equipment main body 1 is started to remind a user of installation in place, after the needle is not fed into a designated position, the warning lamp cannot be lightened, the structure further facilitates the user to know whether the needle is installed in place, so that the problem of wire jumping of the needle in the later period is avoided, after the needle is fed into the designated position, an adjusting screw 15 is rotated towards a certain direction to drive a wedge block 14 to move forwards, the wedge block 14 extrudes a fastening plate 16 towards the left side, and enables the fastening plate to be extruded towards the side face of the needle, because the fastening plate 16 relatively increases the contact area with the machine needle, the machine needle is more firmly fixed, and the stability of the installation of the machine needle is enhanced, because the device main body 1 can drive the connecting pipe 2 to move up and down to complete the sewing work during the normal work, the connecting pipe 2 which moves back and forth can continuously extrude the air bag column 3 to inflate the air bag column 4, the redundant gas is led into the air nozzle 12 by being automatically regulated and controlled by matching with a pressure valve, the air nozzle 12 can blow the table top when the user sews, impurities such as lint and the like on the table top are removed to improve the corresponding sewing processing quality, the gas with certain pressure is kept in the air bag 4 all the time, then after the user sends the machine needle into the connecting pipe 2, the top end of the machine needle extrudes the elastic I-shaped rod 7 to drive the curved connecting frame 9 to move upwards, the curved connecting frame 9 drives the blocking rods 11 at both sides to move towards the middle, make air vent and air guide groove 5 intercommunication on it, expanded gas storage bag 4 is then with inside gas extrusion, send into the lower part inner chamber of connecting pipe 2 through air guide groove 5 in, blow off the thing such as the batting of adhesion at the inside pipe wall, prevent that it from causing the influence to the installation of eedle to the accuracy of eedle installation has been promoted.
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 needle fixing device for a sewing machine, comprising an apparatus main body (1), characterized in that: the lower end of the equipment main body (1) is movably connected with a connecting pipe (2), the left end of the connecting pipe (2) is fixedly connected with an air bag column (3) extending to the equipment main body (1), an air storage bag (4) is arranged in an upper inner cavity of the connecting pipe (2), air guide grooves (5) are formed in the left wall and the right wall of the connecting pipe (2), a partition plate (6) is fixedly arranged in the middle inner cavity of the connecting pipe (2), an elastic I-shaped rod (7) is movably connected to the middle of the partition plate (6), symmetrical metal beads (8) are arranged on the inner side of the lower portion of the elastic I-shaped rod (7), symmetrical curved connecting frames (9) are fixedly connected to the upper end of the elastic I-shaped rod (7), sliding grooves (10) are formed in the left side and the right side of the upper portion of the connecting pipe (2), and blocking rods (11) are slidably connected, the bottom left side of connecting pipe (2) is rotated and is connected with air jet head (12), the right-hand member fixedly connected with installation piece (13) of connecting pipe (2), the inner chamber sliding connection of installation piece (13) has wedge (14), it is connected with adjusting screw (15) that extend to on wedge (14) to rotate on installation piece (13), the inner chamber left part of installation piece (13) slides and pegs graft and has mounting plate (16).
2. The needle holding device for a sewing machine according to claim 1, wherein: the lower end of the clapboard (6) is provided with symmetrical metal sheets.
3. The needle holding device for a sewing machine according to claim 1, wherein: and a sealing ring matched with the blocking rod (11) is arranged in the inner cavity of the sliding groove (10).
4. The needle holding device for a sewing machine according to claim 1, wherein: the blocking rod (11) is provided with a vent hole.
5. The needle holding device for a sewing machine according to claim 1, wherein: the wedge-shaped block (14) is provided with a threaded through hole.
6. The needle holding device for a sewing machine according to claim 1, wherein: the front end and the rear end of the adjusting screw rod (15) are both provided with a limiting disc.
7. The needle holding device for a sewing machine according to claim 1, wherein: the lower end of the left part of the fastening plate (16) is provided with a chamfer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010558447.6A CN111648057A (en) | 2020-06-18 | 2020-06-18 | Needle fixing device for sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010558447.6A CN111648057A (en) | 2020-06-18 | 2020-06-18 | Needle fixing device for sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111648057A true CN111648057A (en) | 2020-09-11 |
Family
ID=72344189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010558447.6A Withdrawn CN111648057A (en) | 2020-06-18 | 2020-06-18 | Needle fixing device for sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111648057A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112170361A (en) * | 2020-10-09 | 2021-01-05 | 嘉兴晶铸生物科技有限公司 | Integrated cleaning device and integrated cleaning structure assembly thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090020055A1 (en) * | 2007-07-19 | 2009-01-22 | Groz-Beckert Kg | Clamping device for needles |
| CN202247296U (en) * | 2011-09-27 | 2012-05-30 | 佛山市源田床具机械有限公司 | Cylinder type mounting device for sewing needle |
| CN204491188U (en) * | 2015-03-17 | 2015-07-22 | 浙江美机缝纫机有限公司 | The eedle mechanism of the Sewing machines of tool automatically cleaning and self-cooling function |
| CN105734856A (en) * | 2014-12-26 | 2016-07-06 | 兄弟工业株式会社 | Machine needle cooling mechanism of sewing machine, sewing machine and air suction and exhaust mechanism |
| CN206706340U (en) * | 2017-05-13 | 2017-12-05 | 上海水纹信息科技有限公司 | A kind of needle bar of sewing machine |
| CN108978063A (en) * | 2018-09-19 | 2018-12-11 | 苏州锴诚缝制设备有限公司 | A kind of novel sewing machine eedle |
| CN209144413U (en) * | 2018-11-15 | 2019-07-23 | 杰克缝纫机股份有限公司 | A kind of automatic positioning centering structure of sewing machine needle |
| CN210262272U (en) * | 2019-04-19 | 2020-04-07 | 吴江市锴晔机械有限公司 | Lubricated industry sewing machine needle bar of air supporting |
| CN210506731U (en) * | 2019-04-26 | 2020-05-12 | 天津市飞熊地毯有限公司 | Blanket covering machine convenient to replace crochet hook |
-
2020
- 2020-06-18 CN CN202010558447.6A patent/CN111648057A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090020055A1 (en) * | 2007-07-19 | 2009-01-22 | Groz-Beckert Kg | Clamping device for needles |
| CN202247296U (en) * | 2011-09-27 | 2012-05-30 | 佛山市源田床具机械有限公司 | Cylinder type mounting device for sewing needle |
| CN105734856A (en) * | 2014-12-26 | 2016-07-06 | 兄弟工业株式会社 | Machine needle cooling mechanism of sewing machine, sewing machine and air suction and exhaust mechanism |
| CN204491188U (en) * | 2015-03-17 | 2015-07-22 | 浙江美机缝纫机有限公司 | The eedle mechanism of the Sewing machines of tool automatically cleaning and self-cooling function |
| CN206706340U (en) * | 2017-05-13 | 2017-12-05 | 上海水纹信息科技有限公司 | A kind of needle bar of sewing machine |
| CN108978063A (en) * | 2018-09-19 | 2018-12-11 | 苏州锴诚缝制设备有限公司 | A kind of novel sewing machine eedle |
| CN209144413U (en) * | 2018-11-15 | 2019-07-23 | 杰克缝纫机股份有限公司 | A kind of automatic positioning centering structure of sewing machine needle |
| CN210262272U (en) * | 2019-04-19 | 2020-04-07 | 吴江市锴晔机械有限公司 | Lubricated industry sewing machine needle bar of air supporting |
| CN210506731U (en) * | 2019-04-26 | 2020-05-12 | 天津市飞熊地毯有限公司 | Blanket covering machine convenient to replace crochet hook |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112170361A (en) * | 2020-10-09 | 2021-01-05 | 嘉兴晶铸生物科技有限公司 | Integrated cleaning device and integrated cleaning structure assembly thereof |
| CN112170361B (en) * | 2020-10-09 | 2023-09-22 | 嘉兴晶铸生物科技有限公司 | Integrated cleaning device and integrated cleaning structure assembly thereof |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200911 |
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| WW01 | Invention patent application withdrawn after publication |