CN201942863U - Cloth feeding tooth structure of double differential independent cloth feeding mechanism of sewing machine - Google Patents
Cloth feeding tooth structure of double differential independent cloth feeding mechanism of sewing machine Download PDFInfo
- Publication number
- CN201942863U CN201942863U CN2010206033449U CN201020603344U CN201942863U CN 201942863 U CN201942863 U CN 201942863U CN 2010206033449 U CN2010206033449 U CN 2010206033449U CN 201020603344 U CN201020603344 U CN 201020603344U CN 201942863 U CN201942863 U CN 201942863U
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- Prior art keywords
- work feed
- cloth feeding
- feed tooth
- feeding tooth
- tooth section
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Abstract
The utility model provides a cloth feeding tooth structure of double differential independent cloth feeding mechanism of sewing machine, wherein the double differential cloth feeding mechanism comprises first and second rod arms, wherein the front end of the first rod arm is fixedly provided with a first cloth feed tooth; one side of the second rod arm is fixedly provided with a second cloth feeding tooth; the second cloth feeding tooth comprises a front cloth feeding tooth section and a back cloth feeding tooth section; the front cloth feeding tooth section is extended and disposed at the front of the first cloth feeding tooth; the back cloth feeding tooth section is located at one side of the first cloth feeding tooth; a fixing sheet is convexly disposed at the bottom edge of the front cloth feeding tooth section of the second cloth feeding tooth; and adjusting hole is disposed in a penetrating manner; after passing through the adjusting hole, a fixing screw is locked at the side wall of the second rod arm; a fixing sheet is convexly disposed at the bottom edge of the back cloth feeding section of the second cloth feeding tooth, and an adjusting hole is disposed in a penetrating manner; after passing through the adjusting hole, a fixing screw is locked at the side wall of the second rod arm, so that the front and back ends of the second cloth feeding tooth are both fixed and supported by the fixing screws. The cloth feeding tooth structure of the utility model avoids deformation or breakage caused by metal fatigue for the structure is pressed for a long time, and enables the sewing machine to continuously work for a long time.
Description
Technical field
The utility model relate to the second work feed tooth in a kind of cloth feeding mechanism before, back work feed tooth section root edge, be equipped with stator respectively, and be equipped with and adjust the hole, after borrowing fixed screw to pass this adjustment hole, interlocking is in the sidewall of this second lever arm, make this second work feed tooth before, the rear end all is subjected to the fixing of fixed screw and supports, thereby before making this, back work feed tooth section is subjected to firmly supporting separately, with the second work feed tooth of avoiding lengthwise because of long-term pressurized, take place tired and design that produce distortion or rupture, relate in particular to a kind of work feed toothing of double differential independence cloth feeding mechanism of Sewing machines.
Background technology
Be applied to the differential cloth feeding mechanism of Sewing machines at present, as Fig. 5, shown in Figure 6, contain first lever arm 71 and second lever arm 72, front end in this first lever arm 71 is installed with the first work feed tooth 73, and a side of this second lever arm 72 is installed with the second work feed tooth 74, work feed tooth section 741 and back work feed tooth section 742 before this second work feed tooth 74 contains, wherein should preceding work feed tooth section 741 stretch the place ahead that places this first work feed tooth 73, and this back work feed tooth section 742 is positioned at a side of this second work feed tooth 74 vacantly, other is in the bottom of the preceding work feed tooth section 741 of this second work feed tooth 74, be provided with stator 741a, to be installed on this second lever arm 72.
Because this differential cloth feeding mechanism is when action, this is first years old, two lever arms 71,72 can be nonsynchronous before, back displacement, with front and back drive respectively this first, two work feed teeth 73,74, therefore the second work feed tooth 74 is when pushing cloth, be unsettled back work feed tooth section 742, just can bear a downward compression P, the second work feed tooth 74 for lengthwise, just can be a turning point with central authorities, bend active force and produce one, therefore after long-term the use, very easily make the preceding work feed tooth section 741 of the second work feed tooth 74 and the fragile position 743 between the back work feed tooth section 742 produce flexural deformation even phenomenon of rupture.
Edge this, present settling mode, it is lateral margin at the first work feed tooth 73, projection one microscope carrier 731, to carry the back work feed tooth section 742 of this second work feed tooth 74, whereby to offset the suffered downward pressure of the unsettled back work feed tooth section of the second work feed tooth 74 742, but because first, two work feed teeth 73,74 the direction of motion, be not to be the rectilinear motion of a level, but be the movement in a curve of long radius, the back work feed tooth section 742 of the second work feed tooth 74 is not forever smooth on the microscope carrier 731 of this first work feed tooth 73, therefore, and under long-term the use, it is tired that this second work feed tooth 74 still can metal take place, very easily make the preceding work feed tooth section 741 of the second work feed tooth 74 and back work feed tooth section 742 between fragile position 743 produce the situation of flexural deformations or fracture, except influencing the precision of work feed, outside must proofreading and correct often, if the fracture situation takes place, must interrupt Sewing machines and carry out repair and replacement, and increase operating cost and inconvenience, improved necessity be arranged and show.
In view of this this creator is to give the research innovation, discloses the work feed toothing of the double differential independence cloth feeding mechanism of Sewing machines shown in the utility model.
The utility model content
Technical problem underlying to be solved in the utility model is, overcome the above-mentioned defective that prior art exists, and provide a kind of work feed toothing of double differential independence cloth feeding mechanism of Sewing machines, avoid that to produce metal tired because of long-time pressurized, and occur bending and deformation or rupture, make Sewing machines work be continued for a long time to carry out.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of work feed toothing of double differential independence cloth feeding mechanism of Sewing machines, this double differential cloth feeding mechanism contains first lever arm and second lever arm, front end in this first lever arm is installed with the first work feed tooth, and a side of this second lever arm is installed with the second work feed tooth, work feed tooth section and back work feed tooth section before this second work feed tooth contains, wherein should preceding work feed tooth section stretch the place ahead that places this first work feed tooth, and this back work feed tooth section is positioned at a side of this first work feed tooth, and root edge in the preceding work feed tooth section of this second work feed tooth, be equipped with stator, and be equipped with and adjust the hole, after borrowing fixed screw to pass this adjustment hole, interlocking is characterized in that in the sidewall of this second lever arm: the root edge of the back work feed tooth section of the second work feed tooth, be equipped with stator, and be equipped with and adjust the hole, after borrowing fixed screw to pass this adjustment hole, interlocking is in the sidewall of this second lever arm, make this second work feed tooth before, the rear end all is subjected to the fixing of fixed screw and supports.
The second above-mentioned work feed tooth is one-body molded this forward and backward work feed tooth section, maybe can be independently forward and backward work feed tooth section two elements respectively.
The work feed toothing of the double differential independence cloth feeding mechanism of the utility model Sewing machines, wherein this Sewing machines is meant overlock machine, and in order to the driving mechanism of first and second lever arm that links, can be existing transmission mechanism.
The work feed toothing of the double differential independence cloth feeding mechanism of the utility model Sewing machines, wherein, can be provided with first chute, the stator bottom the preceding work feed tooth section of ground this second work feed tooth of sliding sleeve that coincide in a side of this second lever arm, make this stator can follow this first chute, displacement adjustment stably.
The work feed toothing of the double differential independence cloth feeding mechanism of the utility model Sewing machines, wherein, be provided with second chute, the stator bottom the back work feed tooth section of ground this second work feed tooth of sliding sleeve that coincide in a side of this second lever arm, make this stator can follow this second chute, displacement adjustment stably.
The work feed toothing of the double differential independence cloth feeding mechanism of the utility model Sewing machines, because the forward and backward work feed tooth section of the second work feed tooth of lengthwise, respectively by its bottom stator, be locked on this second lever arm, thereby make this forward and backward work feed tooth section be subjected to separately firmly supporting, therefore when action, can avoid producing metal fatigue because of long-time pressurized, and occur bending and deformation or rupture, make Sewing machines work be continued for a long time to carry out, and show the usability of novelty of the present utility model and tool industry.
The beneficial effects of the utility model are, avoid that to produce metal tired because of long-time pressurized, and occur bending and deformation or rupture, and make Sewing machines work be continued for a long time to carry out.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the perspective exploded view of the utility model first embodiment before assembling.
Fig. 2 is the second work feed tooth of the utility model first embodiment and the plane structure chart of second lever arm.
Fig. 3 is the perspective exploded view of the utility model second embodiment before assembling.
Fig. 4 is the second work feed tooth of the utility model second embodiment and the plane structure chart of second lever arm.
Fig. 5 is the existing perspective exploded view of cloth feeding mechanism before assembling.
Fig. 6 is the schematic diagram of existing work feed tooth when producing breakdown under user mode.
The number in the figure explanation:
10 first lever arms, 20 second lever arms, 21 first chutes
22 second chutes, 30 first work feed teeth, 40 second work feed teeth
Work feed tooth section 411 stator 411a adjust the hole before 41
42 back work feed tooth section 421 stator 421a adjust the hole
50 fixed screws
71 first lever arms, 72 second lever arms, 73 first work feed teeth
Work feed tooth section before 731 microscope carriers, the 74 second work feed teeth 741
Work feed tooth section 743 fragile positions, 741a stator 742 back
The P compression
The specific embodiment
See also Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the utility model relates to a kind of work feed toothing of double differential independence cloth feeding mechanism of Sewing machines, this double differential cloth feeding mechanism contains first lever arm 10 and second lever arm 20, front end in this first lever arm 10 is installed with the first work feed tooth 30, and a side of this second lever arm 20 is installed with the second work feed tooth 40, work feed tooth section 41 and back work feed tooth section 42 before this second work feed tooth 40 contains, wherein should preceding work feed tooth section 41 stretch the place ahead that places this first work feed tooth 30, and this back work feed tooth section 42 is positioned at a side of this first work feed tooth 30, and root edge in the preceding work feed tooth section 41 of this second work feed tooth 40, be equipped with stator 411, and be equipped with and adjust hole 411a, after borrowing fixed screw 50 to pass this adjustment hole 411a, interlocking is in the sidewall of this second lever arm 20, it is characterized in that, the root edge of the back work feed tooth section 42 of this second work feed tooth 40, be equipped with stator 421, and be equipped with and adjust hole 421a, after borrowing fixed screw 50 to pass this adjustment hole 421a, interlocking is in the sidewall of this second lever arm 20, make this second work feed tooth 40 before, the rear end all is subjected to the fixing of fixed screw 50 and supports, thereby before making this, back work feed tooth section 41,42 are subjected to firmly supporting separately, with avoid the second work feed tooth 30 before, back work feed tooth section 41,42 because of long-term pressurized, and it is tired and produce distortion or fracture that metal takes place.
As Fig. 1, Fig. 2, the second above-mentioned work feed tooth 40 is can one-body molded this forward and backward work feed tooth section 41,42, or as shown in Figure 3, Figure 4, preferably is independently forward and backward work feed tooth section 41,42 two elements respectively, and the utility model is all from limit.
The work feed toothing of the double differential independence cloth feeding mechanism of the utility model Sewing machines, wherein this Sewing machines is to refer to overlock machine, and in order to the driving mechanism of first and second lever arm 10,20 that links, as this case applicant in the previous utility model application of applying for number 201020254932.6 " the work feed tooth double linkage mechanisms of Sewing machines " or for other existing transmission mechanism, the utility model is not from limit, because this transmission mechanism is not a demand purpose of the present utility model, so will not give unnecessary details.
As shown in Figures 1 to 4, the work feed toothing of the double differential independence cloth feeding mechanism of Sewing machines that the utility model discloses, wherein in a side of this second lever arm 20, be provided with first chute 21, stator 411 with preceding work feed tooth section 41 bottoms of ground this second work feed tooth 40 of sliding sleeve that coincide, make this stator 411 can follow this first chute 21, displacement adjustment stably.
The work feed toothing of the double differential independence cloth feeding mechanism of the utility model Sewing machines, wherein in a side of this second lever arm 20, be provided with second chute 22, stator 421 with back work feed tooth section 42 bottoms of ground this second work feed tooth 40 of sliding sleeve that coincide, make this stator 421 can follow this second chute 22, displacement adjustment stably.
The work feed toothing of the double differential independence cloth feeding mechanism of the utility model Sewing machines, because before the second work feed tooth 40 of lengthwise, back work feed tooth section 41,42, respectively by its bottom stator 411,421, be locked on this second lever arm 20, thereby before making this, back work feed tooth section 41,42 are subjected to firmly supporting separately, be not as existing hanging shape, therefore when action, the utility model can avoid that to produce metal tired because of long-time pressurized, and occur bending and deformation or rupture, make Sewing machines work be continued for a long time to carry out, and show the usability of novelty of the present utility model and tool industry.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (4)
1. the work feed toothing of the double differential independence cloth feeding mechanism of a Sewing machines, this double differential cloth feeding mechanism contains first lever arm and second lever arm, front end in this first lever arm is installed with the first work feed tooth, and a side of this second lever arm is installed with the second work feed tooth, work feed tooth section and back work feed tooth section before this second work feed tooth contains, wherein should preceding work feed tooth section stretch the place ahead that places this first work feed tooth, and this back work feed tooth section is positioned at a side of this first work feed tooth, and root edge in the preceding work feed tooth section of this second work feed tooth, be equipped with stator, and be equipped with and adjust the hole, after borrowing fixed screw to pass this adjustment hole, interlocking is characterized in that in the sidewall of this second lever arm: the root edge of the back work feed tooth section of the described second work feed tooth, be equipped with stator, and be equipped with and adjust the hole, after borrowing fixed screw to pass this adjustment hole, interlocking is in the sidewall of this second lever arm, make this second work feed tooth before, the rear end all is subjected to the fixing of fixed screw and supports.
2. according to the work feed toothing of the double differential independence cloth feeding mechanism of the described Sewing machines of claim 1, it is characterized in that the forward and backward work feed tooth section of the described second work feed tooth is one-body molded.
3. according to the work feed toothing of the double differential independence cloth feeding mechanism of the described Sewing machines of claim 1, it is characterized in that the forward and backward work feed tooth section of the described second work feed tooth is respectively independently element.
4. according to the work feed toothing of the double differential independence cloth feeding mechanism of the described Sewing machines of claim 1, it is characterized in that a side of described second lever arm is provided with second chute, with the stator of the back work feed tooth section bottom of the described second work feed tooth of ground sliding sleeve that coincide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206033449U CN201942863U (en) | 2010-11-12 | 2010-11-12 | Cloth feeding tooth structure of double differential independent cloth feeding mechanism of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206033449U CN201942863U (en) | 2010-11-12 | 2010-11-12 | Cloth feeding tooth structure of double differential independent cloth feeding mechanism of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201942863U true CN201942863U (en) | 2011-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206033449U Expired - Fee Related CN201942863U (en) | 2010-11-12 | 2010-11-12 | Cloth feeding tooth structure of double differential independent cloth feeding mechanism of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201942863U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112962226A (en) * | 2021-03-01 | 2021-06-15 | 殷贵怀 | Independent motor work feed mechanism |
-
2010
- 2010-11-12 CN CN2010206033449U patent/CN201942863U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112962226A (en) * | 2021-03-01 | 2021-06-15 | 殷贵怀 | Independent motor work feed mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110824 Termination date: 20141112 |
|
| EXPY | Termination of patent right or utility model |