CN110241532A - A kind of threader of needle bar of sewing machine - Google Patents
A kind of threader of needle bar of sewing machine Download PDFInfo
- Publication number
- CN110241532A CN110241532A CN201910630597.0A CN201910630597A CN110241532A CN 110241532 A CN110241532 A CN 110241532A CN 201910630597 A CN201910630597 A CN 201910630597A CN 110241532 A CN110241532 A CN 110241532A
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- CN
- China
- Prior art keywords
- shank
- threader
- sewing machine
- gas
- tpe fitting
- 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
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B87/00—Needle- or looper- threading devices
- D05B87/02—Needle- or looper- threading devices with mechanical means for moving thread through needle or looper eye
Abstract
The present invention provides a kind of threaders of needle bar of sewing machine, belong to technical field of sewing machines.The threader that it solves existing needle bar of sewing machine can only be by manual threading, low efficiency, the technical problems such as time-consuming and laborious.Sewing machine includes casing and shank, have on shank along its axial threading hole, this threader includes the mounting plate and fixed gas-tpe fitting on a mounting board for being installed in casing side, one end of gas-tpe fitting is connected with tracheae, shank is vertically arranged and gas-tpe fitting is located at the oblique upper of shank, and the gas outlet of the gas-tpe fitting other end is towards the upper end of shank；Threader further includes the switch valve that can control tracheae interior air-flow.The threader of needle bar of sewing machine in the present invention is blown by air pump and upper thread is blown into shank, is blown out later from the outlet hole of shank, to complete threading operation；And it is controlled and is blown by switch valve, it is time saving and energy saving without artificial threading convenient for users to operation.
Description
Technical field
The invention belongs to technical field of sewing machines, are related to a kind of threader of needle bar of sewing machine.
Background technique
In the sewing machine that traditional shank crosses line (including eyelet buttonhole sewing machine, shank rotation pattern sewing machine etc.), upper thread will be from
Pass through inside shank, is then come out from the aperture of lower parts of needle, pierce into eedle hole.This structure since shank length is longer,
It needs that upper thread is imported shank from the aperture above shank using special tool, and is exported from lower parts of needle, this kit
Two kinds are included, a kind of utilization thin wire threading is more troublesome；Another is that upper thread is blown into inside shank using blowing manually,
It is blown out from the aperture of lower parts of needle, this mode is also to be operated with hand, and tracheae is directed at the aperture above shank, turns on the switch valve
It is blown into, then turns off switch valve.Both the above mode is dependent on manual operations, more inconvenient.
Chinese patent (notification number: CN201567453 U, the day for announcing: 2010-09-01) discloses a kind of more function of sewing machine
Can threader, which includes threader and eedle installation part, threader include shell and
It is immobilized in the shell the sheet metal in portion, sheet metal is installed inside housings, before the front of sheet metal is provided with by fixing piece clamping
End is made as the threading needle of fork-shaped, and eedle installation part is fixed on the rear end of shell.
Sewing machine multifunction threading device simple structure in above patent document, manufacturing cost is low, easy to use, is applicable in
Property is wide, practical, will thread a needle and two functions of upper eedle are combined together, using flexible；But the shank in the device still needs to
It manually to thread, it is time-consuming and laborious.
Summary of the invention
The present invention provides a kind of threader of needle bar of sewing machine according to the above problem of the existing technology, the present invention
The technical problem to be solved is that: how to realize needle bar of sewing machine self-threading, does not need manually to participate in.
The purpose of the present invention can be achieved through the following technical solutions
A kind of threader of needle bar of sewing machine, sewing machine include casing and shank, are had on the shank along its axial direction
Threading hole, which is characterized in that the threader includes being installed in the mounting plate of the casing side and being installed in described
Gas-tpe fitting on mounting plate, one end of the gas-tpe fitting are connected with tracheae, and the shank is vertically arranged and the tracheae connects
Head is located at the oblique upper of the shank, and the gas outlet of the gas-tpe fitting other end is towards the upper end of the shank；The threading
Device further includes the switch valve that can control the tracheae interior air-flow.
Its working principles are as follows: adjusting the position of gas-tpe fitting in present apparatus work, making the gas hole pair of gas-tpe fitting
Shank upper end is answered, air pump is opened, presses the switch button of Automatic-reset switch valve, gas-tpe fitting gas outlet was aligned on shank
Jet is held, upper thread is blown into shank, and is blown out from shank lower end；Then hand release button is blown and is stopped.The technical program benefit
It is blown with air pump and upper thread is blown into shank, realize shank self-threading, and controlled and blown by switch valve, entire threading process
Controllably, it is convenient to provide to operator, time saving and energy saving.
In the threader of above-mentioned needle bar of sewing machine, the mounting plate is equipped at least one waist-shaped hole, the waist
The length direction of type hole is consistent with the short transverse of the mounting plate, and threaded hole is offered on the casing, the mounting plate
The fixing bolt being screwed onto the threaded hole is inserted in waist-shaped hole.The setting of waist-shaped hole is conveniently adjusted the position of mounting plate,
So as to adjust the position of gas-tpe fitting, guarantee that the gas outlet of gas-tpe fitting is directed at shank upper end accordingly.
In the threader of above-mentioned needle bar of sewing machine, sewing machine includes head, and the switch valve is Automatic-reset
Switch valve, the side of the head are installed with mounting bracket, and the switch valve is installed in the mounting bracket；The switch valve
Including inlet suction port and switch button, the switch button is towards the outside of the head.In the device course of work, air pump
The gas pumped out reaches at switch valve by tracheae and by the inlet suction port of switch valve, and operative employee can utilize opening on switch valve
It closes button control to blow, to control threading process.
In the threader of above-mentioned needle bar of sewing machine, line plate was installed on the upside of the casing, it is described to cross on line plate
Mounting hole is offered, wire-threading device is equipped in the mounting hole, perforative line three-way hole excessively is offered on the wire-threading device, it is described to cross line
Device is located at the surface of the shank and the threading hole crossed on line three-way hole and the shank on the wire-threading device is coaxially disposed.It crosses
Line device can assist for upper thread being sent into shank, cross line three-way hole and run through shank, upper thread is enable to be blown out from shank inner cavity.
In the threader of above-mentioned needle bar of sewing machine, the mounting plate includes lateral setting and fixed part in a strip shape
And the extension that described fixed part one end extends downwardly, the extension lower end inclination is bent and the gas-tpe fitting is fixed on
The lower end of the extension.
In the threader of above-mentioned needle bar of sewing machine, the quantity of the waist-shaped hole is two and along the length of fixed part
Direction is spaced apart.
In the threader of above-mentioned needle bar of sewing machine, the lower end of the extension is in 45 ° of inclinations, the gas-tpe fitting
One end central axes perpendicular to the extension rear surface, the gas-tpe fitting the other end bending after its central axes and institute
The length direction for stating fixed part is consistent.
Compared with prior art, the present invention is become traditional and is threaded using manual in shank threading hole as self-threading, is passed through
Air pump, which is blown, is blown into shank chamber for upper thread, then blows out from shank lower end outlet hole, and entire threading process is by on-off valve control
System brings great convenience to user convenient for operation.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the threader of this sewing machine line bar.
Fig. 2 is partial structural diagram when this threader is installed and used.
Fig. 3 is line bar and the schematic perspective view for crossing line plate in this threader.
In figure, 1, casing；2, shank；2a, threading hole；2b, outlet hole；3, mounting plate；3a, fixed part；3b, extension；
4, gas-tpe fitting；4a, gas outlet；5, tracheae；6, switch valve；6a, inlet suction port；6b, switch button；7, waist-shaped hole；8, fixed
Bolt；9, head；10, mounting bracket；11, line plate is crossed；11a, mounting hole；12, wire-threading device；12a, line three-way hole is crossed；13, outside shank
Set；14, eedle；14a, eedle hole.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As depicted in figs. 1 and 2, sewing machine includes casing 1 and shank 2, is had on shank 2 along its axial threading hole 2a,
This threader includes the gas-tpe fitting 4 for being installed in the mounting plate 3 of 1 side of casing and being installed on mounting plate 3, gas-tpe fitting
4 one end is connected with tracheae 5, and shank 2 is vertically arranged and gas-tpe fitting 4 is located at the oblique upper of shank 2,4 other end of gas-tpe fitting
Gas outlet 4a towards the upper end of shank 2；Threader further includes the switch valve 6 that can control 5 interior air-flow of tracheae.Further
, mounting plate 3 is equipped at least one waist-shaped hole 7, and the length direction of waist-shaped hole 7 is consistent with the short transverse of mounting plate 3, casing
Threaded hole 1a is offered on 1, and the fixing bolt 8 being screwed onto threaded hole 1a is inserted in the waist-shaped hole 7 of mounting plate 3.Sewing machine
It further include head 9, switch valve 6 is Automatic-reset switch valve, and the side of head 9 is installed with mounting bracket 10, and switch valve 6 is fixed
In mounting bracket 10；Switch valve 6 includes inlet suction port 6a and switch button 6b, and switch button 6b is towards the outside of head 9.Peace
Loading board 3 and gas-tpe fitting 4 connect, and mounting plate 3 is fixed on casing 1 by fixing bolt 8 by waist-shaped hole 7 and threaded hole 1a.It is logical
Position of the whole fixing bolt 8 of toning in waist-shaped hole 7 can adjust the position of mounting plate 3, while adjust the position of gas outlet 4a, make
It is corresponding with the upper end of shank 2.Be provided with switch valve 6 on head 9, gas by inlet suction port 6a access switch valve 6, and by
Switch button 6b controls gas outlet 4a and blows, and operator is facilitated to use the device.
Further, mounting plate 3 includes laterally setting and fixed part 3a and the one end fixed part 3a in a strip shape are to downward
The extension 3b stretched, the inclination bending of the lower end extension 3b and gas-tpe fitting 4 are fixed on the lower end of extension 3b；Specifically, prolong
The lower end of extending portion 3b is in 45 ° of inclinations, rear surface of one end central axes of gas-tpe fitting 4 perpendicular to extension 3b, gas-tpe fitting 4
The other end bending after its central axes it is consistent with the length direction of fixed part 3a；The quantity of waist-shaped hole 7 is two and along fixation
The length direction of portion 3a is spaced apart.
As shown in figure 3, being installed with line plate 11 on the upside of casing 1, crosses on line plate 11 and offer mounting hole 11a, mounting hole 11a
It is interior to be equipped with wire-threading device 12, offer on wire-threading device 12 it is perforative cross line three-way hole 12a, wire-threading device 12 be located at the surface of shank 2 and
The threading hole 2a crossed on line three-way hole 12a and shank 2 on wire-threading device 12 is coaxially disposed；Shank housing 13, shank are arranged outside shank 2
2 upper end is plugged in shank housing 13, and wire-threading device 12 is located at the upper end of shank housing 13；Shank opens up on 2 lower end outside face
There is the outlet hole 2b being connected with threading hole 2a, 2 lower end of shank is installed with eedle 14, and 14 lower end of eedle is provided with eedle hole 14a.
It crosses on line plate 11 and is provided with wire-threading device 12, wire-threading device 12 can assist the inner cavity that upper thread is sent into shank 2.Shank is arranged outside shank 2
Housing 13, wire-threading device 12 are located on shank housing 13, it is ensured that the stability of shank 2 and reach threading effect.On shank 2 from
After dynamic threading, operative employee penetrates upper thread head in the eedle hole 14a of 14 lower end of eedle, and a complete threading process is just
Finish, greatly improves work efficiency.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although more herein used 1, casing；2, shank；2a, threading hole；2b, outlet hole；3, mounting plate；3a, consolidate
Determine portion；3b, extension；4, gas-tpe fitting；4a, gas outlet；5, tracheae；6, switch valve；6a, inlet suction port；6b, switch button；
7, waist-shaped hole；8, fixing bolt；9, head；10, mounting bracket；11, line plate is crossed；11a, mounting hole；12, wire-threading device；12a, mistake
Line three-way hole；13, shank housing；14, eedle；The terms such as 14a, eedle hole, but it does not exclude the possibility of using other terms.Make
It is only for the convenience of describing and explaining the nature of the invention with these terms；It is construed as any additional
Limitation is disagreed with spirit of that invention.
Claims (6)
1. a kind of threader of needle bar of sewing machine, sewing machine includes casing (1) and shank (2), has edge on the shank (2)
Its axial threading hole (2a), which is characterized in that the threader includes the mounting plate for being installed in the casing (1) side
(3) and the gas-tpe fitting (4) that is installed on the mounting plate (3), one end of the gas-tpe fitting (4) are connected with tracheae (5),
The shank (2) is vertically arranged and the gas-tpe fitting (4) is located at the oblique upper of the shank (2), the gas-tpe fitting (4)
Upper end of the gas outlet (4a) of the other end towards the shank (2)；The threader further includes that can control the tracheae (5)
The switch valve (6) of interior air-flow.
2. the threader of needle bar of sewing machine according to claim 1, which is characterized in that the mounting plate (3) is equipped with
The length direction of at least one waist-shaped hole (7), the waist-shaped hole (7) is consistent with the short transverse of the mounting plate (3), the machine
It is offered on shell (1) threaded hole (1a), is inserted in the waist-shaped hole (7) of the mounting plate (3) and is screwed onto the threaded hole (1a)
Interior fixing bolt (8).
3. the threader of needle bar of sewing machine according to claim 1 or 2, which is characterized in that sewing machine includes head
(9), the switch valve (6) is Automatic-reset switch valve, and the side of the head (9) is installed with mounting bracket (10), described
Switch valve (6) is installed on the mounting bracket (10)；The switch valve (6) includes inlet suction port (6a) and switch button
(6b), outside of the switch button (6b) towards the head (9).
4. the threader of needle bar of sewing machine according to claim 2, which is characterized in that the mounting plate (3) includes cross
To the extension (3b) being arranged and fixed part (3a) and the one end the fixed part (3a) in a strip shape extend downwardly, the extension
The inclination bending of the portion lower end (3b) and the gas-tpe fitting (4) are fixed on the lower end of the extension (3b).
5. the threader of needle bar of sewing machine according to claim 4, which is characterized in that the quantity of the waist-shaped hole (7)
It is spaced apart for two and along the length direction of fixed part (3a).
6. the threader of needle bar of sewing machine according to claim 4, which is characterized in that the lower end of the extension (3b)
It is tilted in 45 °, rear surface of one end central axes of the gas-tpe fitting (4) perpendicular to the extension (3b), the tracheae
Its central axes is consistent with the length direction of the fixed part (3a) after the other end bending of connector (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910630597.0A CN110241532A (en) | 2019-07-12 | 2019-07-12 | A kind of threader of needle bar of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910630597.0A CN110241532A (en) | 2019-07-12 | 2019-07-12 | A kind of threader of needle bar of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110241532A true CN110241532A (en) | 2019-09-17 |
Family
ID=67891977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910630597.0A Pending CN110241532A (en) | 2019-07-12 | 2019-07-12 | A kind of threader of needle bar of sewing machine |
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| Country | Link |
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| CN (1) | CN110241532A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112226926A (en) * | 2020-10-24 | 2021-01-15 | 深圳市雅诺科技股份有限公司 | Needle bar rotating mechanism of sewing machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2136776A5 (en) * | 1971-04-29 | 1972-12-22 | Reich Rudolf | |
| CN1075758A (en) * | 1992-02-24 | 1993-09-01 | 株式会社铃木制作所 | Sewing machine threading device and threading method |
| WO2001018297A1 (en) * | 1999-08-17 | 2001-03-15 | Inbro Co., Ltd | Thread feeding apparatus for an automatic embroidering machine |
| JP2008110165A (en) * | 2006-10-31 | 2008-05-15 | Juki Corp | Buttonhole sewing machine |
| CN102666958A (en) * | 2009-08-17 | 2012-09-12 | 株式会社铃木制作所 | Threading device adapted for use in sewing machine and conveying thread by means of gas |
| CN106958083A (en) * | 2017-05-03 | 2017-07-18 | 圣凯诺服饰有限公司 | Automatic routing spike devices and automatic sealing thread system |
-
2019
- 2019-07-12 CN CN201910630597.0A patent/CN110241532A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2136776A5 (en) * | 1971-04-29 | 1972-12-22 | Reich Rudolf | |
| CN1075758A (en) * | 1992-02-24 | 1993-09-01 | 株式会社铃木制作所 | Sewing machine threading device and threading method |
| WO2001018297A1 (en) * | 1999-08-17 | 2001-03-15 | Inbro Co., Ltd | Thread feeding apparatus for an automatic embroidering machine |
| JP2008110165A (en) * | 2006-10-31 | 2008-05-15 | Juki Corp | Buttonhole sewing machine |
| CN102666958A (en) * | 2009-08-17 | 2012-09-12 | 株式会社铃木制作所 | Threading device adapted for use in sewing machine and conveying thread by means of gas |
| CN106958083A (en) * | 2017-05-03 | 2017-07-18 | 圣凯诺服饰有限公司 | Automatic routing spike devices and automatic sealing thread system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112226926A (en) * | 2020-10-24 | 2021-01-15 | 深圳市雅诺科技股份有限公司 | Needle bar rotating mechanism of sewing machine |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190917 |
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| RJ01 | Rejection of invention patent application after publication |