CN105926199A - Thread-free alarming device and sewing machine - Google Patents
Thread-free alarming device and sewing machine Download PDFInfo
- Publication number
- CN105926199A CN105926199A CN201610504157.7A CN201610504157A CN105926199A CN 105926199 A CN105926199 A CN 105926199A CN 201610504157 A CN201610504157 A CN 201610504157A CN 105926199 A CN105926199 A CN 105926199A
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- CN
- China
- Prior art keywords
- thread
- switching device
- coil holder
- hole
- wireless
- 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.)
- Pending
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Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/36—Devices for stopping drive when abnormal conditions occur, e.g. thread breakage
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B51/00—Applications of needle-thread guards; Thread-break detectors
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention belongs to the technical field of sewing devices and particularly relates to a thread-free alarming device and a sewing machine. The thread-free alarming device comprises a main body and more than one thread through hole and is characterized in that a switch device controlled to be opened or closed by a sewing thread is arranged at each thread through hole; the switch devices are in parallel connection or in series connection with each other; when a thread is supplied, the sewing thread applies force action to the switch devices, then the switch devices are in an open state, and a circuit is in an off state; when the thread is not supplied or the thread is broken, the switch devices are not stressed, the switch devices are in a closed state, the circuit is in an on state, and an alarm generates alarm. The thread-free alarming device is capable of detecting a plurality of threads, and is simple in structure and low in production cost and use cost; the position of a thread rack is far away from the sewing part, so that the probability of rethreading by staff caused by the threads in the thread through holes are used up when the threads are broken or no threads are supplied can be reduced to a great extent.
Description
Technical field:
The invention belongs to sewing device technical field, refer in particular to a kind of wireless alarmer and sewing machine.
Background technology:
Sewing during, often occur broken string or coil holder on a ball of string used up (hereinafter referred to as without
Line) situation, not only result in damage or the waste of fabric, be additionally, since and exception occurs every time, all need
Want employee's threading again, considerably increase the labor intensity of employee, have a strong impact on its production efficiency.
At present the coil holder used by sewing machine does not the most break or wireless detection alarm device, existing broken string nothing
Line detector mainly has following two mode: one is to utilize sensor to detect, but this detection mode cost
Higher, it is unfavorable for promoting.Additionally, notification number CN 1962990 B discloses a sewing machine burn out detection dress
Putting, this device includes a Guan Bi circuit, and in the case of having sewing thread, circuit is on and off both states
Circulation.If broken string, circuit is constantly in channel status.This device is only applicable to detect tension variation ratio
Significantly sewing thread, and more weak for tension force as this kind of in looper thread itself, change little sewing thread and be difficult to
Detection, and its signal of being detected is the frequency of connecting and disconnecting of the circuit, and this exists certain when meaning that detection
Hysteresis quality, for the machine run up, such as overedger, even if broken string or wireless being detected, also cannot keep away
Exempt from the damage of fabric and waste and the awkward situation of employee's threading again.This device or the dress of a single line detection
Put, it is impossible to many lines are detected, is unsuitable for multi-thread sewing machine, if every outfit is a set of, it will the biggest
Degree increases cost.
Summary of the invention:
It is an object of the invention to provide a kind of simple in construction, the wireless alarmer of wireless burn out detection can be carried out.
The present invention is achieved in that
A kind of wireless alarmer, includes main body and more than one cable-through hole, it is characterised in that: often
It is provided with the switching device opened by sewing thread control or closed at individual cable-through hole, is in parallel between switching device
Connect or be connected in series；
In the case of wired, sewing thread produces the effect of power to switching device, and switching device is in open mode,
Circuit is in off state；
When appearance is wireless or breaks, switching device does not stresses, and switching device is in closure state, circuit
For path, then alarm sends warning.
In above-mentioned a kind of wireless alarmer, described main body is the casing near coil holder or tension disk or chooses
Casing near line bar.
In above-mentioned a kind of wireless alarmer, cable-through hole more than one is arranged on coil holder, line
Frame is insulation coil holder, and switching device is arranged on insulation coil holder.
In above-mentioned a kind of wireless alarmer, cable-through hole more than one is arranged on coil holder, line
Being provided with insulator chain mounting seat on frame, described switching device is arranged in insulator chain mounting seat.
In above-mentioned a kind of wireless alarmer, described switching device includes being separately positioned on cable-through hole both sides
Conductive pole and conducting strip, conducting strip is provided with resilient conductive element by mounting post, resilient conductive element with
Conductive pole contact connects, and conductive pole is connected with the negative pole of power supply, and conducting strip is connected with the positive pole of power supply；
In the case of wired, sewing thread produces the effect of power to resilient conductive element, forces resilient conductive element and leads
Electricity post separates, and circuit is in off state；
When occur wireless or broken string time, resilient conductive element do not stress or stress reduce, resilient conductive element with lead
Electricity post contact, circuit is path, then alarm sends warning.
In above-mentioned a kind of wireless alarmer, described resilient conductive element is torsion spring or spring leaf.
In above-mentioned a kind of wireless alarmer, described mounting post is axial screw, at the opposite side of coil holder
Being provided with fixed block on face, axial screw is screwed onto on fixed block through the installing hole on coil holder.
In above-mentioned a kind of wireless alarmer, described alarm be voice guard or audible-visual annunciator or
Light crossing-signal.
In above-mentioned a kind of wireless alarmer, described cable-through hole is provided with two or more, switchs accordingly
Device arranges two or more, after plural switching device parallel connection with power supply, control switch and controller even
Connect.
The present invention also aims to provide a kind of sewing machine, including wireless alarmer as above.
The advantage that the present invention highlights compared to existing technology is:
The present invention can carry out multi-thread detection simultaneously；Applied widely, line tension can not only be changed amplitude obvious
Line detect, also the carrying out that amplitude is more weak can be detected；The wireless disconnected of slow-speed of revolution machine can not only be met
Line detects, and can meet the wireless burn out detection of high rotating speed machine；Its simple in construction, makes and makes
With low cost；Due to the gap place of threading, coil holder position farther out, when largely reduction is broken or is wireless, because of
Cable-through hole interior lines are finished and cause the probability of employee's threading again.
Accompanying drawing illustrates:
Fig. 1 is the front schematic view of the present invention；
Fig. 2 is the A portion enlarged diagram of Fig. 1；
Fig. 3 is the reverse side schematic diagram of the present invention；
Fig. 4 is the circuit diagram under parallel connection of the present invention.
Detailed description of the invention:
With specific embodiment, the invention will be further described below, sees Fig. 14:
A kind of wireless alarmer, includes main body and more than one cable-through hole, sets at each cable-through hole
It is equipped with the switching device opened by sewing thread 1 control or closed, for being connected in parallel or connecting between switching device
Connect；
Machine in working order time, controller 2 starts the monitoring state to circuit, wired in the case of,
Sewing thread 1 produces the effect of power to switching device, and switching device is in open mode, and circuit is in open circuit shape
State；
When appearance is wireless or breaks, switching device does not stresses, and switching device is in closure state, circuit
For path, then alarm sends warning.
Alarm uses voice guard or audible-visual annunciator or light crossing-signal, it is also possible to be other alarms.
Further, the main body of the present invention can be coil holder 4, and corresponding cable-through hole 3 is arranged on coil holder 1,
Main body can also be the casing near tension disk, arranges the part of band cable-through hole, join with tension disk in casing
Close；Main body can also be the casing near thread take-up tension lever, and cable-through hole is positioned on thread take-up tension lever.Machine near tension disk
The principle of the casing near shell and tension disk and coil holder 1 are the same.
The wireless alarmer formed with coil holder 4 for main body below:
Being provided with more than one cable-through hole 3 on coil holder 4, the present embodiment selects two cable-through holes 3.
The switching device opened by sewing thread 1 control or closed, switching device it is provided with at each cable-through hole 3
Between for being connected in parallel or being connected in series.
Wherein, it is connected in parallel as follows, as shown in Figure 4:
6 and controller 2 are switched with power supply 5, control after being arranged on the switching device parallel connection at two cable-through holes 3
Connect.In the case of needs use this device, by controlling switch 6 connection main circuits, make need not
In the case of this device, control switch 6 and be off.
For the situation such as prevent that circuit is short-circuited, circuit also sets up a resistance 7.
As long as broken string, radio conditions occurs in arbitrary sewing thread 1 of the present invention, machine all can send warning.With
Reason, except wireless, the detection of broken string of two sewing threads 1, this structure also can carry out many sewing threads 1
Wireless, the detection of broken string.
Specifically, switching device includes conductive pole 9 and the conducting strip 10 being separately positioned on cable-through hole 3 both sides,
On conducting strip 10, mounting post being provided with resilient conductive element, resilient conductive element contacts connection with conductive pole 9,
Conductive pole 9 is connected with the negative pole of power supply 5, and conducting strip 10 is connected with the positive pole of power supply 5；
Machine in working order time, controller 2 starts the monitoring state to circuit, wired in the case of,
Sewing thread 1 produces the effect of power to resilient conductive element, forces resilient conductive element to separate with conductive pole 9, circuit
It is in off state；
When appearance is wireless or breaks, resilient conductive element does not stresses, and resilient conductive element contacts with conductive pole 9,
Circuit is path, then alarm sends warning.
Above-mentioned resilient conductive element is torsion spring 11 or spring leaf.Wherein, torsion spring 11 is sleeved in mounting post, and
One end of torsion spring 11 contacts connection with conductive pole 9, the other end is plugged on coil holder 4.
Described mounting post is axial screw 12, is provided with fixed block 8, axle position on the another side of coil holder 4
Screw 12 is screwed onto on fixed block 8 through the installing hole on coil holder 4.
Mounting post can also be screw rod, and the other end at screw rod arranges nut.Resilient conductive element is spacing at coil holder
Between 4 and nut.
Switching device is except said structure, it would however also be possible to employ following structure:
The coil holder 4 of cable-through hole 3 side is provided with L-shape conducting rod one, in the lower section of cable-through hole
On coil holder, elasticity is provided with conducting rod two, and the head at conducting rod two is provided with wire casing or string holes, conducting rod two
Head contact connection with conducting rod one, conducting rod one is connected with the negative pole of power supply, conducting rod two and power supply
Positive pole connects, and sewing thread 1 is located in wire casing or the string holes of conducting rod two head.
In the case of wired, sewing thread 1 produces the effect of power to conducting rod two, forces conducting rod two compression,
And separate with conducting rod one, circuit is in off state；
When appearance is wireless or breaks, conducting rod two no longer stress, conducting rod two contacts with conducting rod one,
Circuit is path, then send warning.
The above-mentioned elastic structure arranged can be that relevant position arranges mounting post, in mounting post on coil holder 4
Inside arranging pilot hole, conducting rod two is provided with bar hole, one end of conducting rod two is plugged in pilot hole,
And between pilot hole bottom and conducting rod two, it being provided with spring, connecting shaft is radially across mounting post and conducting rod two
Bar hole realize the installation of conducting rod two.
The coil holder 4 of the present invention is insulation coil holder, is possible to prevent conduction and then electricity to hinder operator, stops safety
Hidden danger, it is ensured that safety in production.
Can also be by being provided with insulator chain mounting seat, described conductive pole 9 and conducting strip 10 on coil holder 4
It is arranged in insulator chain mounting seat.
It is a still further object of the present invention to provide a kind of sewing machine, including wireless alarmer as above.
Above-described embodiment is only one of presently preferred embodiments of the present invention, not limits the present invention's with this
Practical range, therefore: the equivalence change that all shapes under this invention, structure, principle are done, all should
Within being covered by protection scope of the present invention.
Claims (10)
1. a wireless alarmer, includes main body and more than one cable-through hole, it is characterised in that:
It is provided with the switching device opened by sewing thread control or closed at each cable-through hole, is also between switching device
Connection connects or is connected in series；
In the case of wired, sewing thread produces the effect of power to switching device, and switching device is in open mode,
Circuit is in off state；
When appearance is wireless or breaks, switching device does not stresses or stress reduces, and switching device is in Guan Bi
State, circuit is path, then alarm sends warning.
A kind of wireless alarmer the most according to claim 1, it is characterised in that: described main body is line
Casing near frame or tension disk or the casing near thread take-up tension lever.
A kind of wireless alarmer the most according to claim 2, it is characterised in that: more than one
Cable-through hole be arranged on coil holder, coil holder for insulation coil holder, switching device be arranged on insulation coil holder on.
A kind of wireless alarmer the most according to claim 2, it is characterised in that: more than one
Cable-through hole be arranged on coil holder, coil holder is provided with insulator chain mounting seat, described switching device is arranged on
In insulator chain mounting seat.
5. according to a kind of wireless alarmer described in claim 1 or 2 or 3 or 4, it is characterised in that:
Described switching device includes conductive pole and the conducting strip being separately positioned on cable-through hole both sides, passes through on conducting strip
Mounting post is provided with resilient conductive element, and resilient conductive element contacts connection with conductive pole, and conductive pole is negative with power supply
Pole connects, and conducting strip is connected with the positive pole of power supply；
In the case of wired, sewing thread produces the effect of power to resilient conductive element, forces resilient conductive element and leads
Electricity post separates, and circuit is in off state；
When occur wireless or broken string time, resilient conductive element do not stress or stress reduce, resilient conductive element with lead
Electricity post contact, circuit is path, then alarm sends warning.
A kind of wireless alarmer the most according to claim 5, it is characterised in that: described elastic conduction
Part is torsion spring or spring leaf.
A kind of wireless alarmer the most according to claim 5, it is characterised in that: described mounting post is
Axial screw, is provided with fixed block on the another side of coil holder, and axial screw is through the installing hole on coil holder
It is screwed onto on fixed block.
A kind of wireless alarmer the most according to claim 1, it is characterised in that: described alarm is
Voice guard or audible-visual annunciator or light crossing-signal.
A kind of wireless alarmer the most according to claim 1, it is characterised in that: described cable-through hole sets
Being equipped with two or more, corresponding switching device arranges two or more, after plural switching device parallel connection with
Power supply, control switch and controller connect.
10. a sewing machine, it is characterised in that: include the wireless alarmer as described in claim 19.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610504157.7A CN105926199A (en) | 2016-06-27 | 2016-06-27 | Thread-free alarming device and sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610504157.7A CN105926199A (en) | 2016-06-27 | 2016-06-27 | Thread-free alarming device and sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105926199A true CN105926199A (en) | 2016-09-07 |
Family
ID=56829658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610504157.7A Pending CN105926199A (en) | 2016-06-27 | 2016-06-27 | Thread-free alarming device and sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105926199A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107869011A (en) * | 2017-11-10 | 2018-04-03 | 柳州市梦恋服饰有限公司 | One kind alarm cap seaming machine |
| CN108893886A (en) * | 2018-09-13 | 2018-11-27 | 杭州恢弘科技有限公司 | A kind of sewing machine string-passing structure |
| CN109554845A (en) * | 2019-01-25 | 2019-04-02 | 杰克缝纫机股份有限公司 | A kind of sewing machine burn out detection control device and sewing machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002369990A (en) * | 2001-06-15 | 2002-12-24 | Brother Ind Ltd | Thread breakage detecting device of sewing machine |
| CN2760076Y (en) * | 2004-12-23 | 2006-02-22 | 阮积祥 | A thread breakage sensor for sewing machine |
| CN1962990A (en) * | 2006-12-06 | 2007-05-16 | 中捷缝纫机股份有限公司 | Wire-off detection device for sewing machine |
| CN201268772Y (en) * | 2008-10-13 | 2009-07-08 | 浙江宝石缝纫机股份有限公司 | Thread break induction detection device of sewing machine |
-
2016
- 2016-06-27 CN CN201610504157.7A patent/CN105926199A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002369990A (en) * | 2001-06-15 | 2002-12-24 | Brother Ind Ltd | Thread breakage detecting device of sewing machine |
| CN2760076Y (en) * | 2004-12-23 | 2006-02-22 | 阮积祥 | A thread breakage sensor for sewing machine |
| CN1962990A (en) * | 2006-12-06 | 2007-05-16 | 中捷缝纫机股份有限公司 | Wire-off detection device for sewing machine |
| CN201268772Y (en) * | 2008-10-13 | 2009-07-08 | 浙江宝石缝纫机股份有限公司 | Thread break induction detection device of sewing machine |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107869011A (en) * | 2017-11-10 | 2018-04-03 | 柳州市梦恋服饰有限公司 | One kind alarm cap seaming machine |
| CN108893886A (en) * | 2018-09-13 | 2018-11-27 | 杭州恢弘科技有限公司 | A kind of sewing machine string-passing structure |
| CN108893886B (en) * | 2018-09-13 | 2020-10-30 | 杭州恢弘科技有限公司 | Thread passing structure of sewing machine |
| CN109554845A (en) * | 2019-01-25 | 2019-04-02 | 杰克缝纫机股份有限公司 | A kind of sewing machine burn out detection control device and sewing machine |
| CN109554845B (en) * | 2019-01-25 | 2021-01-22 | 杰克缝纫机股份有限公司 | Sewing machine and broken thread detection control device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160907 |