CN103422266A - Thread clamping adjustment knob of sewing machine - Google Patents
Thread clamping adjustment knob of sewing machine Download PDFInfo
- Publication number
- CN103422266A CN103422266A CN2012101538065A CN201210153806A CN103422266A CN 103422266 A CN103422266 A CN 103422266A CN 2012101538065 A CN2012101538065 A CN 2012101538065A CN 201210153806 A CN201210153806 A CN 201210153806A CN 103422266 A CN103422266 A CN 103422266A
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- knob
- hole
- screw
- spiral shell
- pulling
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Abstract
The invention relates to a thread clamping adjustment knob of a sewing machine. The thread clamping adjustment knob of the sewing machine is mainly characterized in that a knob body is arranged on a screw of a sewing machine body in a screwed manner, the knob body is provided with screwing portions which are corresponding to the periphery of a central through hole and formed by surrounding the through hole, the internal diameter of the through hole is smaller than the external diameter of the screw, a thread is arranged on the inner face, corresponding to the through hole, of each screwing portion, and an elastic slot is formed in the periphery of each screwing portion. Thereby, via the elastic through hole, the knob body enables the knob through hole with the diameter smaller than that of the screw to generate extension margin, and screw joint with the screw is benefited, the screw can be clamped tightly to be prevented from loosening due to vibration, the screw can be no longer processed additionally to form an elongated slot, and structural strength of the screw is not damaged; meanwhile, processing cost and time of the elongated slot are reduced, substantial benefits such as simplification of parts and reduction of manufacturing cost are achieved, and practicality and convenience are improved in whole application and use of the knob.
Description
Technical field
The present invention adjusts knob relevant for a kind of Sewing machines clamp, refer in particular to a kind of this knob that makes and can produce flexible nargin, be beneficial to and being spirally connected of screw rod, avoid vibrations to get loose, and make screw rod need not be processed to form separately again elongated slot, reduce processing cost and time, reach real benefits such as simplifying part and reduction manufacturing cost, and use the Sewing machines clamp that more increases the practical effect characteristic to adjust knob its whole execution.
Background technology
Usually, generally on Sewing machines, all can be provided with several adjustment knobs, adjust the elasticity of thread for turn, wherein, refer to the existing stereo decomposing structural representation shown in Fig. 7, this adjustment knob 3 mainly convexes with screw rod 32 outside base 31, in these screw rod 32 end face central authorities toward axially offering elongated slot 321, and in being arranged with on this screw rod 32, the outer clip sheet 33 of pulling, 34, and in outer clip pull sheet 34 outsides on screw rod 32, sequentially be arranged with press the seat 35, flexible member 36, navigation button 37, these navigation button 37 outside end faces are formed with ratchet part 371, be provided with knob 38 in this navigation button 37 outsides spiral shell on screw rod 32 again, make navigation button 37 be located in knob 38, in this knob 38 the ratchet part 371 of corresponding navigation button 37 outside end faces also be provided with the ratchet part 381 matched, to make the ratchet part 371 of this navigation button 37 intermeshing with the ratchet part 381 of knob 38.
By this, when using upper wish to adjust thread tension force, rotate knob 38, so that knob 38 screw displacement on screw rod 32, when knob 38 toward in, the outer clip sheet 33 of pulling, 34 direction displacements, now, be located at knob 38 and press the interior flexible member 36 of seat 35 by compression, to support under the pressure of pressing seat 35, and then in pressing, the outer clip sheet 33 of pulling, 34, so that pass through in interior, the outer clip sheet 33 of pulling, the thread of 34 can reach the effect that tightness improves, and when wish reduces thread tension force, can counter-rotate knob 38, to reduce, flexible member 36 is pressed to power, reduce flexible member 36 and support through pressing 35 pairs of outer clips of seat sheet 34 and inner clip sheet 33 of pulling of pulling the power of compeling, reach the effect of adjusting loose thread.
Because Sewing machines shakes lower can the generation that run up, for increasing the stationarity between knob and screw rod, prevent the loosening spiral shell of knob from moving back and affect thread tension force, the user generally can support the set elongated slot of large screw rod end face, to increase screw diameter, further to improve the power that screws tight between its screw of screw rod and knob, and by intermeshing with ratchet part between navigation button and knob, prevent the situation that the loosening spiral shell of knob moves back, if find, between knob and screw rod, can get loose gradually, and be further to improve again the power that screws tight between the two, the user just can strut screw rod institute tool elongated slot again, so vicious circle struts in the situation of elongated slot repeatedly, screw rod is convenient to elongated slot bottom fracture, and cause the damage of screw rod.
Separately, existing Sewing machines clamp is adjusted knob, must on screw rod, process to form elongated slot on manufacturing and assembling, on screw rod, sequentially sheathed inside and outside folder is pulled after sheet, flexible member and navigation button, knob again is spirally connected, therefore parts is loaded down with trivial details, except manufacturing cost improves, also quite time-consuming inconvenience in assembling, especially the screw rod that forms elongated slot lacks the proper implements interlocking on base or body, and as little as component sizes such as navigation buttons, easily when assembling, produces and loses, more cause the loss on manufacturing cost, and the inconvenience in assembling.
Therefore, in view of this inventor, adheres to the abundant of these relevant industries for many years and designs and develops and the actual fabrication experience, then studied improvement, provides a kind of Sewing machines clamp to adjust knob, to reaching the purpose of simplifying part and implementing better practical value.
Summary of the invention
Sewing machines clamp of the present invention is adjusted knob, its mainly on the screw rod of sewing machine table spiral shell be provided with knob, this knob is provided with around corresponding central through hole and is surrounded on spiral shell that through hole the forms section of pulling, the internal diameter of this through hole is less than the external diameter of screw rod, this spiral shell section of pulling is provided with thread corresponding to the through hole inner face, and spiral shell is pulled outside section and is arranged with the elastic groove hole; By this, make this knob via the elasticity slotted eye, make the knob through hole that is less than screw diameter can produce flexible nargin, be beneficial to and being spirally connected of screw rod, not only can tightly sting screw rod, avoid vibrations to get loose, and make screw rod be processed to form separately elongated slot, the structural strength of screw rod is not destroyed, and reduces processing cost and the time of elongated slot simultaneously again, reach real benefits such as simplifying part and reduction manufacturing cost, and can more increase practical convenience its whole execution in use.
For technology contents, purpose that the present invention is used and the effect reached thereof have more complete and clearly disclose, below in conjunction with accompanying drawing, be elaborated.
The accompanying drawing explanation
Fig. 1 is three-dimensional structure diagram of the present invention;
Fig. 2 is sectional structure chart of the present invention;
Fig. 3 is that stereo decomposing of the present invention is used state diagram;
Fig. 4 is combination sectional structure chart of the present invention;
Fig. 5 is the another embodiment of the present invention sectional structure chart;
Fig. 6 is that the another embodiment of the present invention stereo decomposing is used state diagram;
Fig. 7 is existing stereo decomposing structural representation.
[main element symbol description]
1 knob 11 through holes
12 spiral shells section's 121 threads of pulling
13 elasticity slotted eye 14 flutings
15 outer portion 151 recesses
2 sewing machine table 21 screw rods
The 22 inner clips sheet 23 outer clips sheet of pulling of pulling
24 flexible members 3 are adjusted knob
31 base 32 screw rods
The 321 elongated slot 33 inner clips sheet of pulling
The 34 outer clips sheet 35 of pulling presses seat
36 flexible member 37 navigation buttons
371 ratchet part 38 knobs
381 ratchet parts
The specific embodiment
At first, refer to the sectional structure chart of the present invention shown in the three-dimensional structure diagram of the present invention shown in Fig. 1 and Fig. 2, the present invention mainly is provided with knob 1, this knob 1 is provided with around corresponding central through hole 11 and is surrounded on spiral shell that through hole 11 the forms section 12 of pulling, this spiral shell section 12 of pulling is provided with thread 121 corresponding to through hole 11 inner faces, the spiral shell outer elastic groove hole 13 that is arranged with of section 12 of pulling, pull between section 12 and be formed with fluting 14 in spiral shell in twos, then be formed with recess 151 in outer portion 15 surfaces of knob 1 outer rim.
Therefore, the present invention is on operation is used, see also the stereo decomposing of the present invention shown in Fig. 3 and use state diagram, can be on the screw rod 21 of sewing machine table 2 the sheathed inner clip sheet 22 of pulling respectively, outer clip is pulled after sheet 23 and flexible member 24, make this knob 1 establish in conjunction with location with these screw rod 21 spiral shells with the pull thread 121 of section 12 of spiral shell, please consult in the lump again the combination sectional structure chart of the present invention shown in the sectional structure chart of the present invention shown in Fig. 2 and Fig. 4, the internal diameter of the through hole 11 of knob 1 of the present invention is the external diameter design that is less than screw rod 21, therefore when spiral shell is located on screw rod 21, can absorb the pull deflection of section's 12 outer supports of spiral shell via elasticity slotted eye 13, and keep the spiral shell interior thrust of section 12 to central through hole 11 of pulling simultaneously, thread 121 and this screw rod 21 are closely screwed togather with firm pressing flexible member 24.
Thus, make in this sewing machine table 2 sewing start processes and while producing vibrations, because the section 12 outer rim places of pulling of the spiral shell at knob 1 offer elasticity slotted eye 13, can not only utilize inside rotation to screw this knob 1 pressuring elastic element 24, related in flexible member 24 compressings, the outer clip sheet 22 of pulling, 23, folder is pulled in interior, the outer clip sheet 22 of pulling, the thread of 23 has the anchorage clip effect of pulling, or outwards rotate and unscrew knob 1 and conveniently pull thread, and can utilize each elasticity slotted eye 13 to there is shock-absorbing, the damping effect, relatively can reach and prevent that this knob 1 from producing situation about getting loose and occurring on the screw rod 21 of sewing machine table 2, thereby reach the adjustment state that keeps thread.
Moreover, the spiral shell of knob 1 of the present invention is pulled section 12 except two-piece type as shown in Figure 1, the sectional structure chart that also can be another embodiment of the present invention as shown in Figure 5 is such, enforcement aspect for three-chip type, and outer portion 15 surfaces of knob 1 are formed with recess 151, have antiskid function, the handled easily person holds the application of force.Separately, please consult in the lump again the another embodiment of the present invention stereo decomposing shown in Fig. 6 and use state diagram, the present invention also can be in the integrally formed extension bar shape that is of the outer portion 15 of knob 1, and making can more convenient operating personnel's application of force operation in knob 1 rotation process.
Via the above, the composition of structure of the present invention is known with the use implementation, and the present invention and existing structure in comparison, have following advantage:
1. Sewing machines clamp of the present invention is adjusted the elasticity slotted eye that knob utilizes knob, can produce flexible nargin so that be less than the knob through hole of screw diameter, be beneficial to and being spirally connected of screw rod, and when the knob location restores to the original state, can tightly sting screw rod, avoid vibrations to get loose, with firmly, to the pressing of flexible member, and then reach the adjustment state kept thread.
2. Sewing machines clamp adjustment knob of the present invention utilizes the knob movable telescopic tightly to sting the spiral shell section of the pulling design of screw rod, to keep the spiral shell of the screw rod power of pulling, therefore screw rod need not be processed to form elongated slot more separately, the structural strength of screw rod is not destroyed, prevent from strutting the mode that the screw rod elongated slot increases the screw rod external diameter of commonly using simultaneously, be easy to screw rod and strut rear out of roundness distortion, cause the situation of the knob scratch damage that is mated interlocking to occur.
3. Sewing machines clamp of the present invention is adjusted knob, can reduce the number of the navigation button element, uses entity without the cutting elongated groove screw rod, reduces processing cost and the time of elongated slot, reaches real benefits such as simplifying part and reduction manufacturing cost.
Yet aforesaid embodiment or accompanying drawing, not in order to limit product structure of the present invention or occupation mode, have suitable variation or the modification of usually knowing that the knowledgeable does in any affiliated technical field, all should be considered as not breaking away from patent category of the present invention.
Claims (8)
1. a Sewing machines clamp is adjusted knob, its spiral shell on the screw rod of sewing machine table is provided with knob, this knob is provided with around corresponding central through hole and is surrounded on spiral shell that through hole the forms section of pulling, the internal diameter of this through hole is less than the external diameter of screw rod, this spiral shell section of pulling is provided with thread corresponding to the through hole inner face, and spiral shell is pulled outside section and is arranged with the elastic groove hole.
2. Sewing machines clamp as claimed in claim 1 is adjusted knob, and wherein, this knob is pulled between section and is formed with fluting in spiral shell in twos.
3. Sewing machines clamp as claimed in claim 1 is adjusted knob, and wherein, the spiral shell section of pulling of this knob is two-piece type.
4. Sewing machines clamp as claimed in claim 1 is adjusted knob, and wherein, the spiral shell section of pulling of this knob is three-chip type.
5. Sewing machines clamp as claimed in claim 1 or 2 is adjusted knob, and wherein, the outer portion surface of this knob outer rim is formed with recess.
6. Sewing machines clamp as claimed in claim 5 is adjusted knob, and wherein, the spiral shell section of pulling of this knob is two-piece type.
7. Sewing machines clamp as claimed in claim 5 is adjusted knob, and wherein, the spiral shell section of pulling of this knob is three-chip type.
8. Sewing machines clamp as claimed in claim 1 is adjusted knob, wherein, and the integrally formed extension bar shape that is of the outer portion of this knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101538065A CN103422266A (en) | 2012-05-17 | 2012-05-17 | Thread clamping adjustment knob of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101538065A CN103422266A (en) | 2012-05-17 | 2012-05-17 | Thread clamping adjustment knob of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103422266A true CN103422266A (en) | 2013-12-04 |
Family
ID=49647630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101538065A Pending CN103422266A (en) | 2012-05-17 | 2012-05-17 | Thread clamping adjustment knob of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103422266A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2937605A (en) * | 1958-02-14 | 1960-05-24 | Singer Mfg Co | Thread tension devices |
| US3150846A (en) * | 1963-03-07 | 1964-09-29 | Singer Co | Thread tension device |
| JPH07171283A (en) * | 1993-12-16 | 1995-07-11 | Barudan Co Ltd | Rotary tray for thread tension |
| CN201884424U (en) * | 2010-11-30 | 2011-06-29 | 海洋王照明科技股份有限公司 | Self-locking threaded sleeve |
| CN202610525U (en) * | 2012-05-17 | 2012-12-19 | 顾飞龙 | Sewing machine clip wire regulating knob |
-
2012
- 2012-05-17 CN CN2012101538065A patent/CN103422266A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2937605A (en) * | 1958-02-14 | 1960-05-24 | Singer Mfg Co | Thread tension devices |
| US3150846A (en) * | 1963-03-07 | 1964-09-29 | Singer Co | Thread tension device |
| JPH07171283A (en) * | 1993-12-16 | 1995-07-11 | Barudan Co Ltd | Rotary tray for thread tension |
| CN201884424U (en) * | 2010-11-30 | 2011-06-29 | 海洋王照明科技股份有限公司 | Self-locking threaded sleeve |
| CN202610525U (en) * | 2012-05-17 | 2012-12-19 | 顾飞龙 | Sewing machine clip wire regulating knob |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131204 |
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| WD01 | Invention patent application deemed withdrawn after publication |