CN105239282A - Home sewing machine stitch length adjusting mechanism - Google Patents
Home sewing machine stitch length adjusting mechanism Download PDFInfo
- Publication number
- CN105239282A CN105239282A CN201510716202.0A CN201510716202A CN105239282A CN 105239282 A CN105239282 A CN 105239282A CN 201510716202 A CN201510716202 A CN 201510716202A CN 105239282 A CN105239282 A CN 105239282A
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- China
- Prior art keywords
- needle gage
- stitch length
- sewing machine
- needle
- cam
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Abstract
A home sewing machine stitch length adjusting mechanism comprises a stitch length support having a rotary knob fulcrum; the rotary knob fulcrum is provided with a stitch length cam; the left side face of the stitch length cam is connected with a stitch length adjusting rod through a rotary shaft; one end of the stitch length adjusting rod makes contact with a cam surface of the stitch length cam; the other end of the stitch length adjusting rod is connected with a stitch length seat connecting rod having a stitch length seat; the side face of the stitch length cam is provided with a stitch length sensing spring; the stitch length support is provided with a stitch length sensing substrate; the stitch length sensing spring makes contact with the stitch length sensing substrate. The beneficial effects are that the home sewing machine stitch length adjusting mechanism is reasonable in structure, convenient in usage, the sewing machine can send useful prompt information to the user when the stitch length is adjusted, and the home sewing machine stitch length adjusting mechanism is simple and convenient in operation, suitable for home member to operate, thus improving home sewing machine work efficiency; the home sewing machine stitch length adjusting mechanism is good in real application effect, and easy to promote.
Description
Technical field
The present invention relates to technical field of sewing equipment, particularly relate to a kind of needle gage governor motion of domestic sewing machine.
Background technology
At present, domestic sewing machine common on the market, can make multiple fagot, but the best sewing needle of often kind of stitching is apart from different, therefore, often switches a kind of stitching, all needs metering needle apart from meeting user demand.
Domestic sewing machine common on the market, when metering needle distance, machine does not correspond to the optimal needle of often kind of stitching apart from instruction, and user often needs repeatedly to try out and just can find suitable needle gage; Metering needle is loaded down with trivial details apart from process, and affect the operating efficiency of Sewing machines, practical application effect is poor.
Summary of the invention
The present invention will solve above-mentioned prior art Problems existing, provides a kind of needle gage governor motion of domestic sewing machine, solves that current domestic sewing needle pitch adjustment process is loaded down with trivial details, the problem of troublesome poeration, meets the user demand of domestic sewing machine.
The present invention solves the technical scheme that its technical problem adopts: the needle gage governor motion of this domestic sewing machine, comprises needle gage support, and needle gage support is provided with knob fulcrum, knob fulcrum is provided with needle gage cam; The left surface of needle gage cam is connected with needle gage adjusting rod by rotating shaft, one end of this needle gage adjusting rod and the cam surface of needle gage cam, the other end of needle gage adjusting rod is connected with needle pitch base connecting rod, and needle pitch base connecting rod is connected with needle pitch base; The side of needle gage cam is provided with needle gage perception shell fragment, needle gage support is provided with needle gage perception substrate, needle gage perception shell fragment and needle gage perception substrate contacts.
Perfect further, the L-shaped setting of needle gage adjusting rod.
Perfect further, knob fulcrum is connected with stitch length knob.
Perfect further, the outer ring of needle gage cam is provided with one group of locating aperture, and needle gage support is provided with the needle gage Location resilient piece stopping with locating aperture and coordinate.
The effect that the present invention is useful is: the needle gage governor motion of domestic sewing machine of the present invention, rational in infrastructure, easy to use, when needle gage regulates, Sewing machines can send useful information to user, simple to operation, be applicable to house person operation, can improve the operating efficiency of domestic sewing machine, practical application effect is good, is beneficial to popularization.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the needle gage adjustment structure schematic diagram of the embodiment of the present invention;
Fig. 3 is the structural representation that the embodiment of the present invention is applied on Sewing machines.
Description of reference numerals: needle gage support 1, needle gage cam 2, needle gage adjusting rod 3, needle pitch base connecting rod 4, needle pitch base 5, needle gage perception shell fragment 6, needle gage perception substrate 7, knob fulcrum 8, stitch length knob 9, locating aperture 10, needle gage Location resilient piece 11.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described:
With reference to accompanying drawing: the needle gage governor motion of this domestic sewing machine in the present embodiment, comprises needle gage support 1, and needle gage support 1 is provided with knob fulcrum 8, knob fulcrum 8 is provided with needle gage cam 2; The left surface of needle gage cam 2 is connected with needle gage adjusting rod 3 by rotating shaft, one end of this needle gage adjusting rod 3 and the cam surface of needle gage cam 2, the other end of needle gage adjusting rod 3 is connected with needle pitch base connecting rod 4, needle pitch base connecting rod 4 is connected with needle pitch base 5; The side of needle gage cam 2 is provided with needle gage perception shell fragment 6, needle gage support 1 is provided with needle gage perception substrate 7, needle gage perception shell fragment 6 contacts with needle gage perception substrate 7.
The L-shaped setting of needle gage adjusting rod 3.
Knob fulcrum 8 is connected with stitch length knob 9.
The outer ring of needle gage cam 2 is provided with one group of locating aperture 10, and needle gage support 1 is provided with and stops with locating aperture 10 the needle gage Location resilient piece 11 coordinated.
Sewing machines is provided with control circuit board, display screen and sounding component, control circuit board and display screen, sounding component all realizes electrical connection, control circuit board adopts MCU controller, control is performed according to the program of setting, control circuit board is also provided with memory and sensor, multiple stitching needle gage information is store in memory, the needle gage perception substrate 7 that the needle gage perception shell fragment 6 that needle gage cam 2 is installed and needle gage support 1 are installed together form a multichannel band switch, when needle gage cam 2 rotates, the current positional information of needle gage cam 2 is just sent the current position signal of needle gage cam to the control unit of Sewing machines by this band switch, then control unit contrasts according to the relevant information of the positional information received and memory storage, and by comparative information display on a display screen, if needle gage position is improper, then sounded by machine, prompting mistake, and on a display screen corresponding error message is shown.
During use, user rotates stitch length knob 9 and carries out needle gage adjustment, stitch length knob 9 rotarily drives knob fulcrum 8 and rotates, needle gage cam 2 is driven to rotate again, needle gage cam 2 rotates promotion needle gage adjusting rod 3 and swings up and down, needle gage adjusting rod 3 swings up and down and drives needle pitch base connecting rod 4 to move, thus drive needle pitch base 5 to forward the adjustment that predetermined angle carries out needle gage to, when needle gage cam 2 rotates, needle gage perception shell fragment 6 moves simultaneously, needle gage perception shell fragment 6 thus form multichannel band switch with needle gage perception substrate 7, carries out information transmission.
During use, user rotates stitch length knob 9 and carries out needle gage adjustment, Sewing machines can show the whether applicable current style of needle gage that user regulates on a display screen, be divided into these states best, available, unavailable, help user's rapid adjustment to suitable position, when the special operational such as carry out that buttonhole is made, as long as stitch length knob 9 is adjusted to corresponding gear, machine can set the length and width of making automatically, adjustment process is simple, simple to operation, be applicable to house person operation, the operating efficiency of domestic sewing machine can be improved.
By rotating shaft connecting needle distance regulating rod on the left surface of needle gage cam.
The needle gage governor motion of domestic sewing machine of the present invention, be applied on Sewing machines as shown in Figure 3, Fig. 3 is the structural representation be applied on Sewing machines, Sewing machines shown in Fig. 3 structurally includes sewing machine frame, sewing machine frame is provided with mair motor, the output of mair motor is connected with belt pulley, belt pulley is arranged on sewing machine frame, belt pulley is connected with main shaft, the output of main shaft is provided with shank, the output of shank is provided with eedle, the below of eedle is provided with cloth conveying teeth, cloth conveying teeth is arranged on sewing machine frame, control circuit board is arranged on main shaft, Fig. 2 is needle gage adjustment structure schematic diagram, needle pitch base has groove, slide block is provided with in groove, slide block is connected with tooth fork, slide block is connected to the middle part of tooth fork, main shaft is provided with eccentric wheel, one end of tooth fork is connected on sewing machine frame, the other end of tooth fork contacts with eccentric wheel, the output of main shaft is provided with principal axis balance cam, principal axis balance cam is provided with small rod, the output of small rod is connected with shank, the below of cloth conveying teeth has needle plate, needle plate is arranged on sewing machine frame, the below of needle plate has shuttle, shuttle is arranged on sewing machine frame, needle plate has presser feet, needle gage is formed and Principles of Regulation: during main axis, tooth fork is driven to swing by the eccentric wheel on it, live physical pendulum before and after the swing drive cloth conveying teeth of tooth fork to move, thus formation needle gage, by regulating the needle pitch base angle be connected on tooth fork, change the amplitude that cloth conveying teeth swings, thus carry out the adjustment of needle gage, the concrete adjustment process of needle gage is: rotate stitch length knob 9, stitch length knob 9 rotarily drives knob fulcrum 8 and rotates, needle gage cam 2 is driven to rotate again, needle gage cam 2 rotates promotion needle gage adjusting rod 3 and swings up and down, needle gage adjusting rod 3 swings up and down and drives needle pitch base connecting rod 4 to move, thus drive needle pitch base 5 to forward the adjustment that predetermined angle carries out needle gage to, the course of work of Sewing machines sewing is: start mair motor, mair motor startup drives belt pulley successively, main shaft, shank, eedle moves, then cloth conveying teeth work feed, realize sewing, when needing needle gage to regulate, needle gage adjustment is carried out with regard to turning knob 9, the present invention also can be applicable on common Sewing machines.
The feature of the embodiment of the present invention is: rational in infrastructure, easy to use, when needle gage regulates, Sewing machines can send useful information to user, simple to operation, is applicable to house person operation, can improve the operating efficiency of domestic sewing machine, practical application effect is good, is beneficial to popularization.
Although the present invention has illustrated by reference to preferred embodiment and has described, those skilled in the art should understand, and in the scope of claims, can do the various change in form and details.
Claims (4)
1. the needle gage governor motion of a domestic sewing machine, it is characterized in that: comprise needle gage support (1), described needle gage support (1) is provided with knob fulcrum (8), and described knob fulcrum (8) is provided with needle gage cam (2); The left surface of described needle gage cam (2) is connected with needle gage adjusting rod (3), one end of this needle gage adjusting rod (3) and the cam surface of needle gage cam (2), the other end of needle gage adjusting rod (3) is connected with needle pitch base connecting rod (4), and described needle pitch base connecting rod (4) is connected with needle pitch base (5); The side of described needle gage cam (2) is provided with needle gage perception shell fragment (6), described needle gage support (1) is provided with needle gage perception substrate (7), and described needle gage perception shell fragment (6) contacts with needle gage perception substrate (7).
2. the needle gage governor motion of domestic sewing machine according to claim 1, is characterized in that: the L-shaped setting of described needle gage adjusting rod (3).
3. the needle gage governor motion of domestic sewing machine according to claim 1, is characterized in that: described knob fulcrum (8) is connected with stitch length knob (9).
4. the needle gage governor motion of domestic sewing machine according to claim 1, it is characterized in that: the outer ring of described needle gage cam (2) is provided with one group of locating aperture (10), and described needle gage support (1) is provided with the needle gage Location resilient piece (11) stopping with locating aperture (10) and coordinate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510716202.0A CN105239282B (en) | 2015-10-29 | 2015-10-29 | The needle gage governor motion of domestic sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510716202.0A CN105239282B (en) | 2015-10-29 | 2015-10-29 | The needle gage governor motion of domestic sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105239282A true CN105239282A (en) | 2016-01-13 |
| CN105239282B CN105239282B (en) | 2017-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510716202.0A Active CN105239282B (en) | 2015-10-29 | 2015-10-29 | The needle gage governor motion of domestic sewing machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108950898A (en) * | 2018-10-09 | 2018-12-07 | 刘炜煌 | A kind of crew neck sewing machine |
Citations (11)
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| US3636900A (en) * | 1970-08-24 | 1972-01-25 | Singer Co | Control device for the work feeding mechanism of a sewing machine |
| US3796172A (en) * | 1972-08-16 | 1974-03-12 | White Sewing Mach | Sewing machine |
| US4254726A (en) * | 1979-02-24 | 1981-03-10 | Janome Sewing Machine Co. Ltd. | Sewing machine control mechanism |
| JPH02154788A (en) * | 1988-12-08 | 1990-06-14 | Juki Corp | Over lock stitch-lapping stitch automatic converter |
| JPH0424063A (en) * | 1990-05-21 | 1992-01-28 | Brother Ind Ltd | Cloth feeding degree regulator for sewing machine |
| CN1399026A (en) * | 2001-07-19 | 2003-02-26 | 重机公司 | Needle-feeding sewing machine |
| CN2554203Y (en) * | 2002-04-23 | 2003-06-04 | 浙江省恒强针车实业有限公司 | Device for adjusting stitch length of sewing machine |
| CN101498082A (en) * | 2009-02-23 | 2009-08-05 | 中屹机械工业有限公司 | Feeding device for circulation sewing machine |
| JP2011030642A (en) * | 2009-07-30 | 2011-02-17 | Aisin Seiki Co Ltd | Sewing machine |
| CN203270230U (en) * | 2013-05-31 | 2013-11-06 | 浙江万维机械有限公司 | Adjustable seam skewing device of multi-purpose sewing machine |
| CN205077240U (en) * | 2015-10-29 | 2016-03-09 | 浙江恒强针车集团有限公司 | Domestic sewing machine's gauge needle adjustment mechanism |
-
2015
- 2015-10-29 CN CN201510716202.0A patent/CN105239282B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3636900A (en) * | 1970-08-24 | 1972-01-25 | Singer Co | Control device for the work feeding mechanism of a sewing machine |
| US3796172A (en) * | 1972-08-16 | 1974-03-12 | White Sewing Mach | Sewing machine |
| US4254726A (en) * | 1979-02-24 | 1981-03-10 | Janome Sewing Machine Co. Ltd. | Sewing machine control mechanism |
| JPH02154788A (en) * | 1988-12-08 | 1990-06-14 | Juki Corp | Over lock stitch-lapping stitch automatic converter |
| JPH0424063A (en) * | 1990-05-21 | 1992-01-28 | Brother Ind Ltd | Cloth feeding degree regulator for sewing machine |
| CN1399026A (en) * | 2001-07-19 | 2003-02-26 | 重机公司 | Needle-feeding sewing machine |
| CN2554203Y (en) * | 2002-04-23 | 2003-06-04 | 浙江省恒强针车实业有限公司 | Device for adjusting stitch length of sewing machine |
| CN101498082A (en) * | 2009-02-23 | 2009-08-05 | 中屹机械工业有限公司 | Feeding device for circulation sewing machine |
| JP2011030642A (en) * | 2009-07-30 | 2011-02-17 | Aisin Seiki Co Ltd | Sewing machine |
| CN203270230U (en) * | 2013-05-31 | 2013-11-06 | 浙江万维机械有限公司 | Adjustable seam skewing device of multi-purpose sewing machine |
| CN205077240U (en) * | 2015-10-29 | 2016-03-09 | 浙江恒强针车集团有限公司 | Domestic sewing machine's gauge needle adjustment mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108950898A (en) * | 2018-10-09 | 2018-12-07 | 刘炜煌 | A kind of crew neck sewing machine |
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| Publication number | Publication date |
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| CN105239282B (en) | 2017-10-20 |
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Denomination of invention: Needle pitch adjusting mechanism of household sewing machine Effective date of registration: 20211011 Granted publication date: 20171020 Pledgee: Zhejiang Jinyun Rural Commercial Bank Co.,Ltd. technology sub branch Pledgor: ZHEJIANG HENGQIANG SEWING MACHINE GROUP Co.,Ltd. Registration number: Y2021330001868 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230428 Granted publication date: 20171020 Pledgee: Zhejiang Jinyun Rural Commercial Bank Co.,Ltd. technology sub branch Pledgor: ZHEJIANG HENGQIANG SEWING MACHINE GROUP Co.,Ltd. Registration number: Y2021330001868 |