CN105803695A - A stable type tightener for a sewing machine - Google Patents
A stable type tightener for a sewing machine Download PDFInfo
- Publication number
- CN105803695A CN105803695A CN201410824890.8A CN201410824890A CN105803695A CN 105803695 A CN105803695 A CN 105803695A CN 201410824890 A CN201410824890 A CN 201410824890A CN 105803695 A CN105803695 A CN 105803695A
- Authority
- CN
- China
- Prior art keywords
- sheet
- compressing
- sewing machine
- stable type
- tightener
- 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
Links
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
The invention provides a stable type tightener for a sewing machine and belongs to the technical field of machines. The problem that the conventional stable type tightener for a sewing machine is unstable in thread clamping is solved. The stable type tightener for a sewing machine comprises a rack, a first pressing piece and a second pressing piece. The rack is arranged vertically and a supporting shaft is fixedly and transversely connected to the rack; the first pressing piece and the second piece are in the shape of a circular ring; the first pressing piece sleeves and is fixed to the supporting shaft; the second pressing sheet sleeves the supporting shaft and the first pressing sheet and the second pressing sheet positionally face each other. The tightener also comprises a power mechanism capable of driving the second pressing sheet to translate in a reciprocating manner; the end face, adjacent to the first pressing sheet, of the second pressing sheet is provided with two grooves located on the two sides of the supporting shaft; the bottom wall of each groove is provided with a protruding sleeving portion and a spring is clamped to each sleeving portion; one end of each spring extends out of the corresponding groove and is pressed against the first pressing sheet. The stable type tightener for a sewing machine has the advantage of stable thread pressing.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of sewing machine stable type tightener.
Background technology
Generally, sewing machine is coordinated by the eedle above needle plate and the rotating shuttle below needle plate, upper thread and bottom line is combined, and forms seam mark on fabric.During sewing machine work, it is necessary to regulate the tension force of upper thread and bottom line, to ensure the smooth of seam mark, attractive in appearance.At present, the tension force of sewing machine surface thread is mainly by regulating with the tightener of nut and spring cooperating.By turn nut, compress spring, reduce tightener and be used for clamping the distance that the two of upper thread compresses between sheet, it is achieved the adjustment to tension force of facial suture.
A kind of sewing machine stable type tightener [application number: 201210203487.4 as disclosed in Chinese patent storehouse；Application publication number: CN102747542A], including axis and be placed on two ring compression sheets on axle, namely first sheet is compressed, second compresses sheet, described two compress sheet is oppositely arranged, described first compresses and is provided with hold down gag outside sheet, and described two compress the inner side of at least one in sheet is provided with skid resistant course, and described skid resistant course at least covers
Lid place compresses the middle part of sheet inner surface, i.e. described axis neighboring area, described hold down gag is tension nut assembly or electromagnet assembly, described electromagnet assembly includes the iron core being arranged on outside the first compression sheet and the coil being around on iron core, described second compresses sheet and the first compression sheet be arranged in parallel, and band is magnetic.
Above-mentioned sewing machine stable type tightener by electromagnet assembly obtain electric make the first compression sheet and second compress sheet run in opposite directions by upper thread compress.But driven by electromagnet assembly and compress sheet motion, there is more interference, it is easy to affect the stability of clamp.
Summary of the invention
It is an object of the invention to there are the problems referred to above for existing technology, it is proposed that a kind of energy a kind of sewing machine stable type tightener that is stable and that accurately clamped by coil.
nullThe purpose of the present invention can be realized by following technical proposal: a kind of sewing machine stable type tightener，Including frame、Compress sheet one and compress sheet two，Described frame is vertically arranged and is laterally fixed with a support axle in this frame，Described compression sheet one and compression sheet two are all in circular，Described compression sheet one is sheathed and is fixed on described support axle，Described compression sheet two is set on support axle and compresses sheet one and compression sheet two position faces，Described tightener also includes one can drive the described actuating unit compressing sheet two alternating translational，It is characterized in that，Described compressing has groove with described compressing on the end face that sheet one is adjacent on sheet two，Described groove has 2 and lays respectively at support axle both sides，The diapire of each described groove is respectively provided with the sleeved part of protrusion，Each described sleeved part is all connected with a spring，Every described spring one end all stretches out the groove of correspondence and offsets with described compression sheet one.
During use, first upper thread is offseted with compressing sheet one around being located at the coil one end supporting on axle and forming, then under the effect of motivation mechanism, compress sheet two move to compressing sheet one direction, when spring offsets with compression sheet one, compress sheet two and spring force can be overcome to continue to move to and coordinate coil compression with compressing sheet one.
By arranging spring, when compressing sheet two and constantly moving to compression sheet one direction, the decrement of spring can be gradually increased, thus being gradually reduced when compressing sheet two and often moving a segment distance active force to coil, then can regulate compression sheet one and compress the sheet two thrust to coil in trace ground so that coil can more stable and accurately be clamped by this tightener.
In above-mentioned a kind of sewing machine stable type tightener, each described sleeved part is all cylindrical, and the lateral wall of described sleeved part is formed slopely the spigot surface of a taper to the axis of this sleeved part, and described spigot surface extends to this sleeved part end face.
By arranging tapered spigot surface, snapping in of spring is played guide effect so that spring snaps onto accurate position, so that spring compresses or stretches relatively stablely so that coil can more stable and accurately be clamped by this tightener.
In above-mentioned a kind of sewing machine stable type tightener, the described medial wall compressing sheet two reclines mutually with described support axle lateral wall, is provided with oil-bearing structure between described compression sheet two and support axle.
The medial wall compressing sheet two reclines mutually with supporting axle lateral wall, the movement compressing sheet two is played guide effect, makes compression sheet two move in the same direction all the time so that coil can more stable and accurately be clamped by this tightener.Meanwhile, oil-bearing structure being set, lubrication is played in the slip compressed between sheet two and support axle, reduces dry friction, can move more swimmingly so that compressing sheet two, improve stability when this binding clasp works further.
In above-mentioned a kind of sewing machine stable type tightener, described oil-bearing structure includes being positioned at the oil storage tank compressed on sheet two medial wall, and described oil storage tank is circular ring type and is coaxially disposed with described compression sheet two.
During use, lubricating oil is stored in oil storage tank, and under the slip compressing sheet two, lubricating oil can constantly lubricate the contact surface compressing sheet two with supporting axle, can move more swimmingly so that compressing sheet two, improves the stability during work of this binding clasp further.
Alternatively, in above-mentioned a kind of sewing machine stable type tightener, described compression sheet two medial wall is provided with oil storage hole, and described oil-bearing structure includes the oil storage part being positioned at oil storage hole, and the material of described oil storage part is sponge or Cotton Gossypii.
During use, first oil storage part is immersed in lubricating oil and makes sponge or Cotton Gossypii absorb lubricating oil, in compressing sheet two sliding process, oil storage part is squeezed and is discharged by lubricating oil, thus constantly lubrication compresses sheet two and supports the contact surface of axle, then make compression sheet two to move more swimmingly, improve the stability during work of this binding clasp further.
In above-mentioned a kind of sewing machine stable type tightener, the described middle part compressing end face relative with compressing sheet two on sheet one has skid resistant course, described compressing axially penetrates through a link slot in the form of a ring on sheet one, the groove width of described link slot is gradually reduced to skid resistant course direction, being correspondingly provided with buckle in the form of a ring on described skid resistant course, described buckle and described link slot match and this buckle is connected in described link slot.
By arranging skid resistant course, increase upper thread and the frictional force compressed between sheet one so that coil can more stably be clamped by this tightener；Pass through to arrange buckle makes skid resistant course together with compressing sheet one and being firmly secured at simultaneously with the cooperation of draw-in groove, further increases the stability of clamp.
In above-mentioned a kind of sewing machine stable type tightener, described support axle having external screw thread, described actuating unit includes one and is screwed onto the described nut supported on axle, and described nut is fixedly connected with away from the end face compressing sheet one on sheet two with described compressing.
Compared with prior art, this one sewing machine stable type tightener has the advantage that
1, by arranging spring, when compressing sheet two and constantly moving to compression sheet one direction, the decrement of spring can be gradually increased, thus being gradually reduced when compressing sheet two and often moving a segment distance active force to coil, then can regulate compression sheet one and compress the sheet two thrust to coil in trace ground so that coil can more stable and accurately be clamped by this tightener；
2, by arranging oil-bearing structure, lubrication being played in the slip compressed between sheet two and support axle, reduces dry friction, can move more swimmingly so that compressing sheet two, improve stability when this binding clasp works further；
3, by arranging skid resistant course, upper thread and the frictional force compressed between sheet one are increased so that coil can more stably be clamped by this tightener；Pass through to arrange buckle makes skid resistant course together with compressing sheet one and being firmly secured at simultaneously with the cooperation of draw-in groove, further increases the stability of clamp.
Accompanying drawing explanation
Fig. 1 is the structural representation of this kind of sewing machine stable type tightener；
Fig. 2 is the structure for amplifying schematic diagram at A place in Fig. 1.
In figure, 1, frame；2, sheet one is compressed；3, sheet two is compressed；3a, groove；3b, sleeved part；3b1, spigot surface；3c, oil storage tank；4, spring；5, axle is supported；6, skid resistant course；6a, buckle；7, nut；8, upper thread.
Detailed description of the invention
The following is specific embodiments of the invention and in conjunction with accompanying drawing, technical scheme is further described, but the present invention is not limited to these embodiments.
Embodiment one
As it is shown in figure 1, this one sewing machine stable type tightener is made up of frame 1, compression sheet 1, compression sheet 23, spring 4, support axle 5 etc..
Wherein, when actually used, frame 1 is vertically arranged on work top.Support axle 5 be secured transverse in frame 1 and in the present embodiment, support axle 5 and be fixedly connected with frame 1 by welding earthing mode.
Compress sheet 1 and compress sheet 23 all in circular, wherein, compress sheet 1 and support by interference fit between axle 5, compressing sheet 23 and be set in and support on axle 5 and position and compression sheet 1 face.
Optimizing further, the medial wall compressing sheet 23 reclines mutually with supporting axle 5 lateral wall, the movement compressing sheet 23 is played guide effect, makes compression sheet 23 move in the same direction all the time.
The end face that compression sheet 23 is relative with compressing sheet 1 has two groove 3a and two groove 3a lay respectively at support axle 5 both sides.Being respectively provided with the sleeved part 3b of protrusion on the diapire of each groove 3a, spring 4 has two and two springs 4 are connected on two sleeved part 3b respectively, is stably positioned by two springs 4.The groove 3a of correspondence is all stretched out in every spring 4 one end, and ought operationally, and spring 4 offsets with compressing sheet 1.
As shown in Figure 2, each sleeved part 3b is all cylindrical, and the lateral wall of sleeved part 3b is formed slopely the spigot surface 3b1 of a taper, spigot surface 3b1 to the axis of this sleeved part 3b and extends to this sleeved part 3b end face, snapping in of spring 4 is played guide effect so that spring 4 snaps onto accurate position.
The middle part compressing end face relative with compressing sheet 23 on sheet 1 has skid resistant course 6, compress and sheet 1 axially penetrates through a link slot in the form of a ring, the groove width of link slot is gradually reduced to skid resistant course 6 direction, skid resistant course 6 is correspondingly provided with buckle 6a in the form of a ring, buckle 6a and link slot matches and this buckle 6a is connected in described link slot.By arranging skid resistant course 6, increase upper thread 8 and the frictional force compressed between sheet 1 so that coil can more stably be clamped by this tightener；Pass through to arrange buckle 6a makes skid resistant course 6 together with compressing sheet 1 and being firmly secured at simultaneously with the cooperation of draw-in groove, further increases the stability of clamp.
Compress sheet 23, away from compressing, the end face of sheet 1 is connected to an actuating unit that can drive compression sheet 23 alternating translational.In the present embodiment, supporting and have external screw thread on axle 5, actuating unit includes one and is screwed onto the nut 7 supported on axle 5, and nut 7 is fixedly connected with away from the end face compressing sheet 1 on sheet 23 with compressing.
Compressing and be provided with oil-bearing structure between sheet 23 and support axle 5, in the present embodiment, oil-bearing structure includes being positioned at the oil storage tank 3c, oil storage tank 3c that compress on sheet 23 medial wall and is circular ring type and is coaxially disposed with compressing sheet 23.During use, lubricating oil is stored in oil storage tank 3c, and under the slip compressing sheet 23, lubricating oil can constantly lubricate the contact surface compressing sheet 23 with supporting axle 5, can move more swimmingly so that compressing sheet 23, improving the stability during work of this binding clasp further.
During use, first upper thread 8 is offseted with compressing sheet 1 around being located at the coil one end supporting on axle 5 and forming, then rotating nut 7 makes compression sheet 23 move to compressing sheet 1 direction, when spring 4 offsets with compression sheet 1, compress sheet 23 and spring 4 elastic force can be overcome to continue to move to and coordinate coil compression with compressing sheet 1.
Embodiment two
The present embodiment two is essentially identical with structure and the principle of embodiment one, and different place is in that: compressing sheet 23 medial wall and be provided with oil storage hole, oil-bearing structure includes the oil storage part being positioned at oil storage hole, and the material of oil storage part is sponge or Cotton Gossypii.During use, first oil storage part is immersed in lubricating oil and makes sponge or Cotton Gossypii absorb lubricating oil, in compressing sheet 23 sliding process, oil storage part is squeezed and is discharged by lubricating oil, thus constantly lubrication compresses sheet 23 and supports the contact surface of axle 5, then make compression sheet 23 to move more swimmingly, improve the stability during work of this binding clasp further.
Specific embodiment described herein is only to present invention spirit explanation for example.Described specific embodiment can be made various amendment or supplements or adopt similar mode to substitute by those skilled in the art, but without departing from the spirit of the present invention or surmount the scope that appended claims is defined.
Claims (7)
- null1. a sewing machine stable type tightener，Including frame、Compress sheet one and compress sheet two，Described frame is vertically arranged and is laterally fixed with a support axle in this frame，Described compression sheet one and compression sheet two are all in circular，Described compression sheet one is sheathed and is fixed on described support axle，Described compression sheet two is set on support axle and compresses sheet one and compression sheet two position faces，Described tightener also includes one can drive the described actuating unit compressing sheet two alternating translational，It is characterized in that，Described compressing has groove with described compressing on the end face that sheet one is adjacent on sheet two，Described groove has 2 and lays respectively at support axle both sides，The diapire of each described groove is respectively provided with the sleeved part of protrusion，Each described sleeved part is all connected with a spring，Every described spring one end all stretches out the groove of correspondence and offsets with described compression sheet one.
- 2. a kind of sewing machine stable type tightener according to claim 1, it is characterized in that, each described sleeved part is all cylindrical, and the lateral wall of described sleeved part is formed slopely the spigot surface of a taper to the axis of this sleeved part, and described spigot surface extends to this sleeved part end face.
- 3. a kind of sewing machine stable type tightener according to claim 1, it is characterised in that the described medial wall compressing sheet two reclines mutually with described support axle lateral wall, is provided with oil-bearing structure between described compression sheet two and support axle.
- 4. a kind of sewing machine stable type tightener according to claim 3, it is characterised in that described oil-bearing structure includes being positioned at the oil storage tank compressed on sheet two medial wall, and described oil storage tank is circular ring type and is coaxially disposed with described compression sheet two.
- 5. a kind of sewing machine stable type tightener according to claim 3, it is characterised in that described compression sheet two medial wall is provided with oil storage hole, and described oil-bearing structure includes the oil storage part being positioned at oil storage hole, and the material of described oil storage part is sponge or Cotton Gossypii.
- 6. a kind of sewing machine stable type tightener according to claim 1, it is characterized in that, the described middle part compressing end face relative with compressing sheet two on sheet one has skid resistant course, described compressing axially penetrates through a link slot in the form of a ring on sheet one, the groove width of described link slot is gradually reduced to skid resistant course direction, being correspondingly provided with buckle in the form of a ring on described skid resistant course, described buckle and described link slot match and this buckle is connected in described link slot.
- 7. a kind of sewing machine stable type tightener according to claim 1, it is characterized in that, having external screw thread on described support axle, described actuating unit includes one and is screwed onto the described nut supported on axle, and described nut is fixedly connected with away from the end face compressing sheet one on sheet two with described compressing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410824890.8A CN105803695A (en) | 2014-12-27 | 2014-12-27 | A stable type tightener for a sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410824890.8A CN105803695A (en) | 2014-12-27 | 2014-12-27 | A stable type tightener for a sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105803695A true CN105803695A (en) | 2016-07-27 |
Family
ID=56981173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410824890.8A Pending CN105803695A (en) | 2014-12-27 | 2014-12-27 | A stable type tightener for a sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105803695A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917181A (en) * | 2017-05-05 | 2017-07-04 | 浙江机电职业技术学院 | A kind of footwear machine cord grip |
| CN107048552A (en) * | 2017-06-19 | 2017-08-18 | 阜宁县鑫虎机械有限公司 | A kind of button-sewing machine of replaceable nail pin |
-
2014
- 2014-12-27 CN CN201410824890.8A patent/CN105803695A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917181A (en) * | 2017-05-05 | 2017-07-04 | 浙江机电职业技术学院 | A kind of footwear machine cord grip |
| CN107048552A (en) * | 2017-06-19 | 2017-08-18 | 阜宁县鑫虎机械有限公司 | A kind of button-sewing machine of replaceable nail pin |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103556383B (en) | A kind of foot device of computer-controlled flat knitting machine | |
| CN105420935A (en) | Left and right two-way edge sealer | |
| CN105803695A (en) | A stable type tightener for a sewing machine | |
| CN104250890B (en) | A kind of Wrapping apparatus | |
| CN107364748A (en) | A kind of batcher for being easy to clamping cloth | |
| CN104499194B (en) | A kind of sewing machine roller press is just backstitching drive mechanism | |
| CN106283432A (en) | A kind of cloth clamp device of novel embroidery sewing machine | |
| CN105922638A (en) | Hemming device | |
| CN204356505U (en) | Sewing machines stable type turnbuckle | |
| CN203159868U (en) | Material pressing device of automatic rubber string head rolling machine | |
| CN104195754B (en) | A kind of High-Speed Automatic tucker of industrial sewing machine | |
| CN204662043U (en) | The cloth clamp device of embroidery sewing machine | |
| CN101899750B (en) | Feeding device for sewing machine | |
| CN204080393U (en) | Novel clamp cloth apparatus | |
| CN209816431U (en) | Adjusting mechanism of linking machine | |
| KR100840370B1 (en) | Pressurization device for bobbin winding machine | |
| CN209694569U (en) | A kind of full-automatic table skirt machine | |
| CN105887353B (en) | The presser foot device and overedger of overedger | |
| CN207619626U (en) | A kind of push-pin mechanism | |
| CN204662042U (en) | The cloth clamp device of novel embroidery Sewing machines | |
| CN207091680U (en) | If the flat seam machine of turnbuckle | |
| CN207079370U (en) | If the lubricating type flat seam machine of turnbuckle | |
| CN207295164U (en) | The presser foot control mechanism of embroidery machine | |
| CN218842538U (en) | Cloth fixing device for sewing machine | |
| CN211570996U (en) | Wire guiding device of waist pulling machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160727 |
|
| WD01 | Invention patent application deemed withdrawn after publication |