CN205557017U - Domestic sewing machine broken string automatic alarm mechanism - Google Patents
Domestic sewing machine broken string automatic alarm mechanism Download PDFInfo
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- CN205557017U CN205557017U CN201620382318.5U CN201620382318U CN205557017U CN 205557017 U CN205557017 U CN 205557017U CN 201620382318 U CN201620382318 U CN 201620382318U CN 205557017 U CN205557017 U CN 205557017U
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- sewing machine
- automatic alarm
- broken string
- alarm mechanism
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Abstract
The utility model provides a domestic sewing machine broken string automatic alarm mechanism belongs to sewing machine technical field. The problem that it had been solved current domestic sewing machine upper thread disconnection or had still worked when exhausing. This domestic sewing machine broken string automatic alarm mechanism, sewing machine included the line support, crossed and had offered the line breach on the line support, and automatic alarm mechanism is including linking firmly the support cover on crossing the line support perpendicularly, supported to rotate the cover on the cover outer wall and be equipped with and rotate the cover, were equipped with the torsional spring in supporting the cover, and this torsional spring outer end stretches out that support the cover and bending type becomes the linking arm, rotates to put in to have connecting portion, crossed and were equipped with the sensor on the line support. This domestic sewing machine broken string automatic alarm mechanism can send out the police dispatch newspaper and control sewing machine and shut down when the upper thread breaks, improve work efficiency.
Description
Technical field
This utility model belongs to sewing machine technique field, relates to a kind of domestic sewing machine broken string
Automatic alarm mechanism.
Background technology
Sewing machine is to use one or more sewing thread, forms one or more lines on sewing
Mark, makes the machine that one or more layers sewing interweaves or unites by a seam, function of sewing sewing cotton,
The goods such as the fabrics such as fiber crops, silk, hair, staple fibre and leather, plastics, paper, stitch out
Stitching neat appearance, smooth firmly, sewing velocity is fast, easy to use.Domestic sewing
In the course of the work, when upper thread disconnects or is finished, sewing machine is also in operating, and this is just for machine
Cause the fracture of tailor, after operator finds, also again to start tailor from breaking part,
This is practically wasted the time, and the Quality Down at tailor.
Summary of the invention
The purpose of this utility model is to there are the problems referred to above for existing technology, it is proposed that
A kind of domestic sewing machine broken string automatic alarm mechanism, this domestic sewing machine broken string automatic alarm
Mechanism can send alarm and control sewing machine shutdown when upper thread breaks, and improves work effect
Rate.
The purpose of this utility model can be realized by following technical proposal: a kind of domestic seam
Machine of threading broken string automatic alarm mechanism, sewing machine include plate-shaped and be vertically arranged cross line prop up
Frame, what described line bracket excessively offered strip crosses line breach, it is characterised in that institute
State the support set that automatic alarm mechanism includes vertically being connected on line bracket side, described
On support set outer wall, turning set is provided with turning set, is provided with torsion spring in support set, this torsion spring
The inner be connected on support set, outer end stretch out support set and be bent to form for upper thread lead to
The linking arm crossed, described turning set has and leans with linking arm and when linking arm is upper and lower
The connecting portion of turning set reciprocating rotation, described line bracket of crossing can be driven during swing to be provided with
The sensing of signal can be sent to the control system of sewing machine when turning set stops operating
Device.
It is additionally provided with on sewing machine and sounding or luminescence etc. can allow the portion of staff's perception
Part, sounding or luminous component are connected with control system, and upper thread passes linking arm, face
Line is positioned at the part of linking arm both sides and all passes according to respective route corresponding through point, and even
The upper thread connecing arm both sides is respectively positioned on the top of linking arm through point, and during work, thread take-up tension lever rises
Can pull up upper thread and make upper thread tensioning, upper thread then acts on linking arm and makes to connect
Arm is swung up, and linking arm then makes turning set rotate to direction, side by connecting portion,
When thread take-up tension lever declines, linking arm resets swing under torsion spring twisting force, i.e. turning set is reverse
Rotating, the rotation of turning set can be by Sensor monitoring and to control system transmission sewing machine
Properly functioning signal, and when occurring that upper thread breaks, thread take-up tension lever rises or declines all
Upper thread will not be produced active force, i.e. linking arm motionless, now Sensor monitoring is to rotating
Set stops operating, and sends, to control system, the signal that sewing machine is abnormal, and control system is led to
Cross sounding or luminous component produces alarm signal, control sewing machine simultaneously and shut down, this report
Alert mechanism can remind staff timely when upper thread breaks, it is to avoid sewing machine occurs
Dry run, improves work efficiency.
Breaking in automatic alarm mechanism at above-mentioned domestic sewing machine, described sensor includes
Induction apparatus and sensing chip, described induction apparatus was connected on line bracket, and induction apparatus is positioned at
The top of turning set, has sensing breach on induction apparatus, and described sensing chip is connected in and turns
On dynamic set outer wall and when turning set reciprocating rotation, sensing chip can be in sensing breach and outside
Between reciprocally swinging.Induction apparatus is existing parts, the sensing chip when turning set reciprocating rotation
Swing reciprocal between breach and outside can sensed, lack when sensing chip is still in sensing
Then can sensed device induction monitoring time in mouthful.
In above-mentioned domestic sewing machine broken string automatic alarm mechanism, described connecting portion in
The end edge of turning set, along upper, offers draw-in groove on connecting portion, and described linking arm passes
Draw-in groove.In the form of sheets, draw-in groove is opened on edge connecting portion, makes after linking arm passes
Linking arm is circumferentially positioned with turning set, simple in construction, easy to assembly.
Break in automatic alarm mechanism at above-mentioned domestic sewing machine, the one of described support set
End seal is closed, and the other end is opening-like, on one end inner face that support set is closed vertically
Be fixed with connection post, the free end of this connection post stretch out support set opening and with cross line
Side face is fixedly connected with, between opening edge and the mistake line bracket side of described support set
Having and dodge gap, described torsion spring set is located on connection post and linking arm is stretched from dodging gap
Go out.Connecting post to be used for fixing support set and positioning torsion spring, torsion spring is then hidden in and props up
Inside support set so that overall structure is compacter.
Break in automatic alarm mechanism at above-mentioned domestic sewing machine, the end of described support set
Offering connecting hole on face, this connecting hole runs through the free end end face connecting post, described company
Be plugged with connecting bolt in connecing hole, the head of this connecting bolt stretch out connecting hole and with cross line
Support is fixedly connected with.Connect post to be fixed on line bracket by connecting bolt, assemble the time-division
Turning set is not enclosed within support set, torsion spring set is being connected on post, then will connect spiral shell
Bolt through connecting hole screwing, easy to assembly fast.
Break in automatic alarm mechanism at above-mentioned domestic sewing machine, outside described support set
On wall, circumference has limit convex edge, and described turning set is resisted against away from the one end crossing line bracket
Limit convex is laterally gone up.Limit convex is spacing along carrying out turning set in the axial direction, it is to avoid turn
Dynamic set occurs axially displaced so that Stability Analysis of Structures.
Break in automatic alarm mechanism at above-mentioned domestic sewing machine, the end of described support set
Offer on face at least one location hole, hole, described location be positioned at support set be connected post it
Between, the inner of described torsion spring is plugged in hole, location.Hole, location is for the inner to torsion spring
Carrying out circumferentially positioned, Kong Yousan, location, these three position hole circumferentially, by turning round
Spring the inner is inserted in different holes, location such that it is able to the torsion of regulation torsion spring, i.e. regulates
Upper thread drives the pull strength that linking arm needs when swinging.
Break in automatic alarm mechanism at above-mentioned domestic sewing machine, the end of described support set
Mouth edge has two stopper protrusions, and described linking arm is between two stopper protrusions, described
Cross offer arc on line bracket side dodge breach, stopper protrusion described in two is positioned at keeps away
Allow in breach.Two stopper protrusions can limit the hunting range of linking arm, i.e. shut down or
During upper thread broken string, linking arm can rest upon in the stopper protrusion of lower section, and is positioned at
The connection protuberance of side is then prevented from linking arm and swings excessive and torsion spring is caused damage.
In above-mentioned domestic sewing machine broken string automatic alarm mechanism, described linking arm from
By end be bent into annular and with cross line breach relative.Linking arm free end entirety bending in
Annular so that linking arm can be driven when upper thread pulls up to swing.
Break in automatic alarm mechanism at above-mentioned domestic sewing machine, described line bracket limit excessively
Edge has the fixed part of strip, described fixed part is fixed with connection support, this connection
Support is positioned at the top of support set, and described induction apparatus is connected on connection support.Fixed part
It is bent to form by upper thread support, connects support for fixing so that compact overall structure.
Compared with prior art, this domestic sewing machine broken string automatic alarm mechanism has following
Advantage:
1, owing to occurring that upper thread breaks, time, thread take-up tension lever rises or declines all will not be to upper thread
Producing active force, now Sensor monitoring stops operating to turning set, and to control system
Sending the signal that sewing machine is abnormal, control system produces report by sounding or luminous component
Alert signal, controls sewing machine simultaneously and shuts down, this alarm mechanism can when upper thread breaks and
Time prompting staff, it is to avoid sewing machine dry run occurs, improves work efficiency.
2, it was fixed on line bracket by connecting bolt, during assembling respectively due to connection post
Turning set is enclosed within support set, torsion spring set is being connected on post, then by connecting bolt
Through connecting hole and screw, easy to assembly fast.
3, owing to hole, location is for carrying out circumferentially positioned to the inner of torsion spring, Kong Yousan is positioned
Individual, hole, these three location circumferentially, is inserted in different holes, location by torsion spring the inner,
It is thus possible to the torsion of regulation torsion spring, i.e. regulation upper thread drive linking arm to need when swinging
Pull strength.
Accompanying drawing explanation
Fig. 1 be domestic sewing machine broken string automatic alarm mechanism perspective view.
Fig. 2 be domestic sewing machine broken string automatic alarm mechanism partial structurtes sectional view.
Fig. 3 be domestic sewing machine broken string automatic alarm mechanism structure front view.
Fig. 4 is the perspective view after turning set assembles mutually with support set.
In figure, 1, excessively line bracket；11, line breach is crossed；12, breach is dodged；13, solid
Determine portion；2, support set；21, post is connected；22, gap is dodged；23, connecting hole；24、
Limit convex edge；25, hole, location；26, stopper protrusion；3, turning set；31, connecting portion；
311, draw-in groove；4, torsion spring；41, linking arm；5, sensor；51, induction apparatus；52、
Sensing chip；53, sensing breach；6, connecting bolt；7, support is connected.
Detailed description of the invention
The following is specific embodiment of the utility model and combine accompanying drawing, to this utility model
Technical scheme be further described, but this utility model is not limited to these embodiments.
As shown in Figure 1 and Figure 2, a kind of domestic sewing machine broken string automatic alarm mechanism, seam
The machine of threading includes line bracket 1 excessively that is plate-shaped and that be vertically arranged, crosses and offers on line bracket 1
The line breach 11 excessively of strip, automatic alarm mechanism includes vertically being connected in line bracket 1
Support set 2 on side, on support set 2 outer wall, turning set is provided with turning set 3, is supporting
Being provided with torsion spring 4 in set 2, the inner of this torsion spring 4 is connected on support set 2, and outer end is stretched
Go out support set 2 and be bent to form the linking arm 41 passed through for upper thread, turning set 3 has
Have and lean with linking arm 41 and turning set can be driven when linking arm 41 swings up and down
The connecting portion 31 of 3 reciprocating rotations, i.e. connecting portion 31 in the form of sheets and are positioned at the end of turning set 3
On edge, portion, offering draw-in groove 311 on connecting portion 31 edge, linking arm 41 passes
Draw-in groove 311, makes linking arm 41 fixed with turning set 3 circumference after linking arm 41 passes
Position, excessively line bracket 1 are provided with when turning set 3 stops operating can be to the control of sewing machine
System processed sends the sensor 5 of signal, and sewing machine is additionally provided with can sounding or luminescence
Etc. allowing the parts of staff's perception, sounding or luminous component are connected with control system,
Upper thread passes linking arm 41, and upper thread is positioned at the part of linking arm 41 both sides all according to each
Route passes accordingly through point, and the upper thread of linking arm 41 both sides is respectively positioned on connection through point
The top of arm 41, during work, thread take-up tension lever rising can pull up upper thread and make upper thread open
Tightly, upper thread then acts on linking arm 41 and linking arm 41 is swung up, linking arm 41
Then by connecting portion 31, turning set 3 is rotated to direction, side, when thread take-up tension lever declines even
Connect arm 41 to reset under torsion spring 4 twisting force swing, i.e. turning set 3 rotates backward, and turns
The rotation of dynamic set 3 can be monitored by sensor 5 and normal to control system transmission sewing machine
The signal run, and when occurring that upper thread breaks, thread take-up tension lever rises or declines all will not
Upper thread being produced active force, i.e. linking arm 41 motionless, now sensor 5 monitors rotation
Set 3 stops operating, and sends the signal that sewing machine is abnormal, control system to control system
Produce alarm signal by sounding or luminous component, control sewing machine simultaneously and shut down, should
Alarm mechanism can remind staff timely when upper thread breaks, it is to avoid sewing occurs
Machine dry run, improves work efficiency.
Specifically, shown in Fig. 3, sensor 5 includes induction apparatus 51 and sensing chip
52, cross line bracket 1 edge and there is the fixed part 13 of strip, fixed part 13 is connected
Having connection support 7, this connection support 7 is positioned at the top of support set 2, and induction apparatus 51 is solid
It is connected on connection support 7 so that induction apparatus 51 is positioned at the top of turning set 3, in sensing
Having sensing breach 53 on device 51, sensing chip 52 is connected on turning set 3 outer wall and works as
During turning set 3 reciprocating rotation, sensing chip 52 can be past between sensing breach 53 and outside
Physical pendulum moves, and induction apparatus 51 is existing parts, the sensing chip when turning set 3 reciprocating rotation
52 can sense swing reciprocal between breach 53 and outside, when sensing chip 52 is static
Then can sensed device 51 induction monitoring when sensing in breach 53.
Shown in Fig. 4, one end of support set 2 is closed, and the other end is opening-like,
Connection post 21, this connection post it is fixed with vertically on one end inner face that support set 2 is closed
The free end of 21 stretches out the opening of support set 2 and is fixedly connected with crossing line bracket 1 side,
Have between opening edge and mistake line bracket 1 side of support set 2 and dodge gap 22,
Described torsion spring 4 is set on connection post 21 and linking arm 41 stretches out from dodging gap 22,
Connecting post 21 to be used for fixing support set 2 and positioning torsion spring 4, torsion spring 4 is then hidden
Inside support set 2 so that overall structure is compacter.On the end face of support set 2
Offering connecting hole 23, this connecting hole 23 runs through the free end end face connecting post 21, even
Being plugged with connecting bolt 6 in connecing hole 23, the head of this connecting bolt 6 stretches out connecting hole 23
And be fixedly connected with crossing line bracket 1, connection post 21 was fixed on line by connecting bolt 6 and propped up
On frame 1, respectively turning set 3 is enclosed within support set 2 during assembling, torsion spring 4 is enclosed within
Connect on post 21, then connecting bolt 6 through connecting hole 23 and is screwed, group
Fill convenient and swift.On the outer wall of support set 2, circumference has limit convex along 24, turning set 3
Being resisted against limit convex along 24 sides away from the one end crossing line bracket 1, limit convex is along 24
Turning set 3 is carried out in the axial direction spacing, it is to avoid turning set 3 occurs axially displaced, makes
Obtain Stability Analysis of Structures.
Hole 25, three location, hole 25, these three location is offered on the end face of support set 2
Circumferentially, and location hole 25 support set 2 be connected between post 21, torsion spring 4
The inner be plugged in one of them hole 25, location, hole 25, location is for torsion spring 4
The inner carries out circumferentially positioned, is inserted in different holes, location 25 by torsion spring 4 the inner, from
And the torsion of torsion spring 4 can be regulated, needs when i.e. regulation upper thread drives linking arm 41 to swing
Pull strength.The port edges of support set 2 has two stopper protrusions 26, linking arm 41
Between two stopper protrusions 26, excessively offer dodging of arc on line bracket 1 side scarce
Mouth 12, two stopper protrusions 26 are positioned at dodges breach 12, and two stopper protrusions 26 can
Linking arm 41 energy when limiting the hunting range of linking arm 41, i.e. shutdown or upper thread broken string
Enough resting upon in the stopper protrusion 26 of lower section, connection protuberance above then can
Enough prevent linking arm 41 from swinging excessive and torsion spring 4 is caused damage.Linking arm 41 from
It is bent into annular relative with crossing line breach 11, the free end of linking arm 41 entirety by end
Bending is ringwise so that linking arm 41 can be driven when upper thread pulls up to swing.
Specific embodiment described herein is only for example to this utility model spirit
Explanation.This utility model person of ordinary skill in the field can be to described concrete
Embodiment is made various amendment or supplements or use similar mode to substitute, but not
Spirit of the present utility model can be deviateed or surmount model defined in appended claims
Enclose.
Although the most more employing line bracket 1, excessively line breach 11, dodging breach
12 terms such as grade, but it is not precluded from using the probability of other term.Only use these terms
Merely to describe and explain essence of the present utility model more easily；It is construed as
Any additional restriction is all contrary with this utility model spirit.
Claims (10)
1. domestic sewing machine broken string an automatic alarm mechanism, sewing machine include plate-shaped also
Be vertically arranged crosses line bracket (1), and described mistake offers strip on line bracket (1)
Cross line breach (11), it is characterised in that described automatic alarm mechanism includes vertically being connected in
Cross the support set (2) on line bracket (1) side, described support set (2) outer wall turns
Move and be arranged with turning set (3), in support set (2), be provided with torsion spring (4), this torsion spring (4)
The inner be connected on support set (2), outer end is stretched out support set (2) and is bent to form
The linking arm (41) passed through for upper thread, described turning set has and linking arm on (3)
(41) lean and turning set (3) can be driven when linking arm (41) swings up and down
The connecting portion (31) of reciprocating rotation, described line bracket (1) of crossing is provided with when turning set (3)
The sensor (5) of signal can be sent to the control system of sewing machine when stopping operating.
Domestic sewing machine the most according to claim 1 broken string automatic alarm mechanism, its
Being characterised by, described sensor (5) includes induction apparatus (51) and sensing chip (52),
Described induction apparatus (51) was connected on line bracket (1), and induction apparatus (51) is positioned at
The top of turning set (3), has sensing breach (53), institute on induction apparatus (51)
State sensing chip (52) to be connected on turning set (3) outer wall and when turning set (3) is reciprocal
During rotation, sensing chip (52) can sense reciprocally swinging between breach (53) and outside.
Domestic sewing machine the most according to claim 1 broken string automatic alarm mechanism, its
Being characterised by, described connecting portion (31) is positioned at the end edge of turning set (3) along upper,
Offering draw-in groove (311) on connecting portion (31), described linking arm (41) passes draw-in groove
(311)。
4. according to the domestic sewing machine broken string automatic alarm described in claim 1 or 2 or 3
Mechanism, it is characterised in that one end of described support set (2) is closed, and the other end is opening
Shape, is fixed with connection post (21) on one end inner face that support set (2) is closed vertically,
The free end of this connection post (21) stretch out support set (2) opening and with cross line bracket
(1) side is fixedly connected with, the opening edge of described support set (2) and line bracket (1) excessively
Having between side and dodge gap (22), described torsion spring (4) is set in connection post (21)
Upper and linking arm (41) stretches out from dodging gap (22).
Domestic sewing machine the most according to claim 4 broken string automatic alarm mechanism, its
Being characterised by, the end face of described support set (2) offers connecting hole (23), this is even
Connect hole (23) and run through the free end end face connecting post (21), described connecting hole (23)
Inside being plugged with connecting bolt (6), the head of this connecting bolt (6) stretches out connecting hole (23)
And be fixedly connected with crossing line bracket (1).
Domestic sewing machine the most according to claim 4 broken string automatic alarm mechanism, its
Being characterised by, on the outer wall of described support set (2), circumference has limit convex along (24),
Described turning set (3) is resisted against limit convex edge (24) away from the one end crossing line bracket (1)
On side.
Domestic sewing machine the most according to claim 4 broken string automatic alarm mechanism, its
It is characterised by, the end face of described support set (2) offers at least one hole, location (25),
Hole, described location (25) is positioned at support set (2) and is connected between post (21), described torsion
The inner of spring (4) is plugged in hole, location (25).
Domestic sewing machine the most according to claim 4 broken string automatic alarm mechanism, its
Being characterised by, the port edges of described support set (2) has two stopper protrusions (26),
Described linking arm (41) is positioned between two stopper protrusions (26), described line bracket (1) excessively
Offer arc on side dodges breach (12), and stopper protrusion described in two (26) is positioned at
Dodge in breach (12).
9. according to the domestic sewing machine broken string automatic alarm described in claim 1 or 2 or 3
Mechanism, it is characterised in that the free end of described linking arm (41) be bent into annular and with
Cross line breach (11) relative.
Domestic sewing machine the most according to claim 2 broken string automatic alarm mechanism,
It is characterized in that, described line bracket (1) edge of crossing has the fixed part (13) of strip,
Being fixed with connection support (7) on described fixed part (13), this connection support (7) is positioned at
The top of support set (2), described induction apparatus (51) is connected in connection support (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620382318.5U CN205557017U (en) | 2016-04-29 | 2016-04-29 | Domestic sewing machine broken string automatic alarm mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620382318.5U CN205557017U (en) | 2016-04-29 | 2016-04-29 | Domestic sewing machine broken string automatic alarm mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN205557017U true CN205557017U (en) | 2016-09-07 |
Family
ID=56805315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620382318.5U Active CN205557017U (en) | 2016-04-29 | 2016-04-29 | Domestic sewing machine broken string automatic alarm mechanism |
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| Country | Link |
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| CN (1) | CN205557017U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107601160A (en) * | 2017-09-20 | 2018-01-19 | 江苏大学 | A kind of automatic wire feeding device and diagnostic method of tape jam self-diagnostic function |
| CN108301124A (en) * | 2018-04-12 | 2018-07-20 | 杰克缝纫机股份有限公司 | A kind of wire breakage detector for sewing machine |
-
2016
- 2016-04-29 CN CN201620382318.5U patent/CN205557017U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107601160A (en) * | 2017-09-20 | 2018-01-19 | 江苏大学 | A kind of automatic wire feeding device and diagnostic method of tape jam self-diagnostic function |
| CN107601160B (en) * | 2017-09-20 | 2019-04-30 | 江苏大学 | A kind of automatic wire feeding device and diagnostic method of tape jam self-diagnostic function |
| CN108301124A (en) * | 2018-04-12 | 2018-07-20 | 杰克缝纫机股份有限公司 | A kind of wire breakage detector for sewing machine |
| CN108301124B (en) * | 2018-04-12 | 2020-07-28 | 杰克缝纫机股份有限公司 | A broken string detection device for sewing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230620 Address after: No. 118, Shuicangtou Village, Xiachen Street, Jiaojiang District, Taizhou City, Zhejiang Province, 318000 Patentee after: Cao Rengen Address before: Building 2, No. 66, Xiachen Airport Road, Jiaojiang District, Taizhou City, Zhejiang Province, 318000 Patentee before: TAIZHOU MEIKE PHOTOELECTRIC TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |