CN219653254U - Improved generation sewing machine pay-off crank - Google Patents
Improved generation sewing machine pay-off crank Download PDFInfo
- Publication number
- CN219653254U CN219653254U CN202320657681.3U CN202320657681U CN219653254U CN 219653254 U CN219653254 U CN 219653254U CN 202320657681 U CN202320657681 U CN 202320657681U CN 219653254 U CN219653254 U CN 219653254U
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- pipe fitting
- arc
- connecting pipe
- sewing machine
- crank
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- 238000009958 sewing Methods 0.000 title claims abstract description 35
- 238000009434 installation Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model relates to an improved feeding crank of a sewing machine, which comprises a first feeding crank fitting and a second feeding crank fitting which are mutually assembled, wherein the first feeding crank fitting comprises a first connecting pipe fitting, a second connecting pipe fitting and an arc-shaped connecting part welded between the first connecting pipe fitting and the second connecting pipe fitting; the utility model can clean the inside of the feeding crank of the improved sewing machine, is convenient for integral assembly, has reasonable structure and simple installation, and improves the use efficiency.
Description
Technical Field
The utility model relates to a sewing machine part, in particular to an improved feeding crank of a sewing machine.
Background
Most of industrial sewing machines are general-purpose sewing machines, including flat-seam machines, chain-seam machines, quilting machines, overedger machines, flat-seam machines, etc., and flat-seam machines have the highest utilization rate. The general sewing machine consists of a machine head, a machine seat, a transmission part and an accessory part. Wherein, the accessories of the sewing machine comprise a needle, a shuttle cock, a screwdriver, an oilcan, a feeding crank component and the like.
The applicant is to the current feeding crank because structural design is unreasonable, can break down when industrial sewing machine's production, leads to whole feeding crank to damage, influences the problem of use. CN202221091031.9 is applied for a feeding crank of a sewing machine, and the feeding crank is convenient to replace by an arc-shaped connecting part arranged between a first connecting pipe and a second connecting pipe, and a mounting part for installing a connecting piece in a threaded manner is arranged on the bottom surfaces of the first connecting pipe and the second connecting pipe. This pay-off crank structural design is reasonable, and convenient equipment and change installed part, sound construction, availability factor promotes. Although CN202221091031.9, which was previously filed by the applicant as authorized, is a feeding crank of a sewing machine, which is convenient to assemble and replace the mounting member, it has been found in practice that the interior of the feeding crank of the sewing machine is inconvenient to clean, affects the use, and is inconvenient to assemble integrally.
Disclosure of Invention
The utility model provides an improved feeding crank of a sewing machine for solving the problems in the prior art.
The specific technical scheme of the utility model is as follows: an improved generation sewing machine pay-off crank, its characterized in that: the feeding device comprises a first feeding crank fitting and a second feeding crank fitting which are mutually assembled, wherein the first feeding crank fitting comprises a first connecting pipe fitting, a second connecting pipe fitting and an arc-shaped connecting part welded between the first connecting pipe fitting and the second connecting pipe fitting, and the second feeding crank fitting comprises a first connecting pipe fitting and a second connecting pipe fitting;
the bottom surfaces of the first connecting pipe fitting part and the second connecting pipe fitting part are respectively provided with a first longitudinal arc-shaped pipe fitting and a first arc-shaped pipe fitting arranged at the bottom end of the first longitudinal arc-shaped pipe fitting, the first connecting pipe fitting part and the second connecting pipe fitting part are respectively installed on the first connecting pipe fitting part and the second connecting pipe fitting part, and the second longitudinal arc-shaped pipe fitting part and the second arc-shaped pipe fitting part are respectively installed on the first longitudinal arc-shaped pipe fitting part and the second arc-shaped pipe fitting part.
Preferably, the first and second connection tube fittings are provided with fixing plates at the top ends thereof, respectively, and the first and second connection tube fittings are provided with mating fixing plates at the top ends thereof, respectively.
Preferably, the fixing plate and the adapting fixing plate are provided with corresponding fixing holes.
Preferably, the back surfaces of the first connecting pipe fitting and the second connecting pipe fitting are respectively provided with a protruding ring.
Preferably, the left side and the right side of the first longitudinal arc-shaped pipe fitting and the second longitudinal matching arc-shaped pipe fitting are respectively provided with a first connecting plate and a second connecting plate, the upper surface of the first connecting plate is provided with a threaded column, the second connecting plate is provided with a corresponding hole corresponding to the threaded column, and the threaded column penetrates through the corresponding hole and is fixed through a flange nut.
Preferably, the bottom surfaces of the first arc-shaped pipe fitting and the second adapting arc-shaped pipe fitting are respectively provided with a first transverse connecting plate and a second transverse connecting plate, the first transverse connecting plate is provided with an outer stud, the second transverse connecting plate is provided with a mounting hole, and the outer stud penetrates through the mounting hole and is fixed through a fixing nut.
Preferably, the second transverse connection plate is further provided with an internally threaded hole.
Preferably, the center of the arc-shaped connecting part is provided with a center hole.
The utility model has the technical effects that:
1. the first connecting pipe fitting piece and the second connecting pipe fitting piece in the first feeding crank fitting piece and the first longitudinal arc-shaped pipe fitting are used for fitting the first arc-shaped pipe fitting piece, the first connecting plate, the first transverse connecting plate and the second connecting pipe fitting piece in the second feeding crank fitting piece, the second longitudinal arc-shaped pipe fitting and the second arc-shaped pipe fitting are longitudinally fitted, and the second connecting plate and the second transverse connecting plate are fitted;
2. the first and second feeding crank fittings can be integrally assembled. Solves the problem that the feeding crank of the sewing machine is inconvenient to be assembled integrally;
the utility model can clean the inside of the feeding crank of the sewing machine, is convenient for integral assembly, has reasonable structure and simple installation, and improves the use efficiency.
Drawings
Fig. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a schematic view of a first feed crank assembly.
Fig. 3 is a schematic view of a second feed crank assembly.
Fig. 4 is an exploded view of fig. 1.
In the figure: the first feed crank fitting 1, the first connecting tube fitting 11, the second connecting tube fitting 12, the collar 13, the arcuate connection 14, the central bore 15, the first longitudinal arcuate tube 16, the first connecting plate 17, the threaded post 18, the first arcuate tube 19, the first transverse connecting plate 20, the outer stud 21, the second feed crank fitting 3, the first connecting tube fitting 31, the second connecting tube fitting 32, the fixing plate 33, the fitting fixing plate 34, the fixing bore 35, the second longitudinal fitting arcuate tube 36, the corresponding bore 37, the flange nut 38, the second connecting plate 39, the mounting bore 40, the fixing nut 41, the second fitting arcuate tube 42, the second transverse connecting plate 43, the internal threaded bore 44.
Detailed Description
Example 1
As shown in fig. 1-4, an improved feeding crank for a sewing machine according to the present embodiment is an improved feeding crank for a sewing machine which is convenient to assemble and replace an installation member according to CN202221091031.9 previously filed by the applicant, but is inconvenient to clean the inside of the improved feeding crank for a sewing machine, affects use, and is inconvenient to assemble integrally. The utility model adopts the first feeding crank fitting part and the second feeding crank fitting part to fit and combine, and the corresponding first connecting pipe fitting part and second connecting pipe fitting part, the first longitudinal arc pipe fitting, the first connecting plate, the first transverse connecting plate and the second feeding crank fitting part, the first connecting pipe fitting part and the second connecting pipe fitting part, the second longitudinal arc pipe fitting part and the second arc pipe fitting part, and the second connecting plate and the second transverse connecting plate realize corresponding fitting and assembling, thereby solving the problems of inconvenient cleaning the inside of the crank of the sewing machine and inconvenient integral assembling.
The specific structure is as follows:
the novel structure of the utility model is another assembly structure based on a feeding crank of a sewing machine in the prior application CN 202221091031.9. The utility model relates to an improved feeding crank of a sewing machine, which comprises a first feeding crank fitting part 1 and a second feeding crank fitting part 3 which are mutually matched, wherein the first feeding crank fitting part 1 comprises a first connecting pipe fitting part 11, a second connecting pipe fitting part 12 and an arc-shaped connecting part 14 welded between the first connecting pipe fitting part 11 and the second connecting pipe fitting part 12, and the first connecting pipe fitting part and the second connecting pipe fitting part are oppositely arranged. The back surfaces of the first connecting pipe fitting 11 and the second connecting pipe fitting 12 are respectively provided with a protruding ring 13. The top ends of the first connecting pipe fitting 11 and the second connecting pipe fitting 12 are respectively provided with a fixed plate 33, and the center of the arc-shaped connecting part 14 is provided with a center hole 15. The front surface of the arc-shaped connecting part is provided with an opening. The second feed crank fitting 3 comprises a first connecting tube fitting 31 and a second connecting tube fitting 32. The first and second connection pipe fitting fittings 31 and 32 are provided at the top ends thereof with fitting fixing plates 34. The fixing plate 33 and the mating fixing plate 34 are provided with corresponding fixing holes 35. The outer ends of the fixing plate and the matched fixing plate are arc-shaped. The shape is beautiful, and the bolt and the nut are convenient to be assembled and fastened.
A first longitudinal arc-shaped pipe fitting 16 and a first arc-shaped pipe fitting 19 arranged at the bottom end of the first longitudinal arc-shaped pipe fitting 16 are respectively arranged on the bottom surfaces of the first connecting pipe fitting 11 and the second connecting pipe fitting 12, a first connecting pipe fitting 31 and a second connecting pipe fitting 32 are respectively arranged on the first connecting pipe fitting 11 and the second connecting pipe fitting 12, and a second longitudinal fitting arc-shaped pipe fitting 36 and a second fitting arc-shaped pipe fitting 42 are respectively arranged on the first longitudinal arc-shaped pipe fitting 16 and the second arc-shaped pipe fitting. An assembled structure is formed.
The first and second longitudinal arc-shaped pipe fitting and fitting structures are specifically that a first connecting plate 17 and a second connecting plate 39 are respectively arranged on the left side and the right side of the first and second longitudinal arc-shaped pipe fittings and the left side and the right side of the second longitudinal arc-shaped pipe fitting and fitting arc-shaped pipe fitting, threaded columns 18 are arranged on the upper surface of the first connecting plate 17, and corresponding holes 37 corresponding to the threaded columns are formed in the second connecting plate 39 and are fixed through flange nuts 41. Is convenient for screw fixing to form an assembly structure.
The bottom surfaces of the first arc-shaped pipe fitting and the second matched arc-shaped pipe fitting are respectively provided with a first transverse connecting plate 20 and a second transverse connecting plate 43, the first transverse connecting plate 20 is provided with an outer stud 21, and the second transverse connecting plate is provided with a mounting hole 40 which is fixed through a fixing nut 41. The second transverse web 43 is also provided with an internally threaded hole 44. Is convenient for screw fixing to form an assembly structure.
In the installation and use process: the utility model relates to an improved feeding crank of a sewing machine, which is characterized in that a first feeding crank fitting part and a second feeding crank fitting part are assembled to form the crank of the sewing machine, and a first connecting pipe fitting part and a second connecting pipe fitting part in the first feeding crank fitting part are assembled with a first connecting pipe fitting part and a second connecting pipe fitting part in the second feeding crank fitting part respectively. Corresponding fixing holes are formed through the fixing plate and the matched fixing plate, and the fixing plate is assembled by locking bolts and nuts.
Further, a first longitudinal arc-shaped pipe fitting and a first arc-shaped pipe fitting arranged at the bottom end of the first longitudinal arc-shaped pipe fitting are respectively arranged on the bottom surfaces of the first connecting pipe fitting and the second connecting pipe fitting, the first connecting pipe fitting and the second connecting pipe fitting are installed on the second connecting pipe fitting, and a second longitudinal arc-shaped pipe fitting and a second arc-shaped pipe fitting are respectively installed on the first longitudinal arc-shaped pipe fitting and the second arc-shaped pipe fitting. The left side and the right side of the first longitudinal arc-shaped pipe fitting and the second longitudinal arc-shaped pipe fitting are respectively provided with a first connecting plate and a second connecting plate, the surfaces of the first connecting plates are provided with threaded columns, the second connecting plates are provided with corresponding holes corresponding to the threaded columns, and the corresponding holes are fixed through flange nuts to form an assembly structure.
The bottom surfaces of the first arc-shaped pipe fitting and the second matched arc-shaped pipe fitting are respectively provided with a first transverse connecting plate and a second transverse connecting plate, the first transverse connecting plate is provided with an outer stud, and the second transverse connecting plate is provided with a mounting hole which is fixed through a fixing nut. The second transverse connecting plate is also provided with an internal threaded hole. Is convenient for screw fixing to form an assembly structure.
Through foretell assembly structure, make things convenient for combination and dismouting improved generation sewing machine pay-off crank, to inside clearance maintenance, improved use and maintenance efficiency.
It should be noted that the foregoing description of the preferred embodiments is merely illustrative of the technical concept and features of the present utility model, and is not intended to limit the scope of the utility model, as long as the scope of the utility model is defined by the claims and their equivalents. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.
Claims (8)
1. An improved generation sewing machine pay-off crank, its characterized in that: the feeding device comprises a first feeding crank fitting and a second feeding crank fitting which are mutually assembled, wherein the first feeding crank fitting comprises a first connecting pipe fitting, a second connecting pipe fitting and an arc-shaped connecting part welded between the first connecting pipe fitting and the second connecting pipe fitting, and the second feeding crank fitting comprises a first connecting pipe fitting and a second connecting pipe fitting;
the bottom surfaces of the first connecting pipe fitting part and the second connecting pipe fitting part are respectively provided with a first longitudinal arc-shaped pipe fitting and a first arc-shaped pipe fitting arranged at the bottom end of the first longitudinal arc-shaped pipe fitting, the first connecting pipe fitting part and the second connecting pipe fitting part are respectively installed on the first connecting pipe fitting part and the second connecting pipe fitting part, and the second longitudinal arc-shaped pipe fitting part and the second arc-shaped pipe fitting part are respectively installed on the first longitudinal arc-shaped pipe fitting part and the second arc-shaped pipe fitting part.
2. The improved sewing machine feed crank of claim 1, wherein: the top ends of the first connecting pipe fitting part and the second connecting pipe fitting part are respectively provided with a fixing plate, and the top ends of the first connecting pipe fitting part and the second connecting pipe fitting part are respectively provided with a fitting fixing plate.
3. The improved sewing machine feed crank of claim 2, wherein: the fixing plate and the adapting fixing plate are provided with corresponding fixing holes.
4. The improved sewing machine feed crank of claim 1, wherein: protruding rings are respectively arranged on the back surfaces of the first connecting pipe fitting piece and the second connecting pipe fitting piece.
5. The improved sewing machine feed crank of claim 1, wherein: the left side and the right side of the first longitudinal arc-shaped pipe fitting and the second longitudinal arc-shaped pipe fitting are respectively provided with a first connecting plate and a second connecting plate, the upper surface of the first connecting plate is provided with a threaded column, the second connecting plate is provided with a corresponding hole corresponding to the threaded column, and the threaded column penetrates through the corresponding hole and is fixed through a flange nut.
6. The improved sewing machine feed crank of claim 1, wherein: the first arc-shaped pipe fitting and the second arc-shaped pipe fitting are connected with the bottom surface of the arc-shaped pipe fitting in a matched mode, a first transverse connecting plate and a second transverse connecting plate are arranged on the bottom surface of the first arc-shaped pipe fitting and the bottom surface of the second arc-shaped pipe fitting in a matched mode, an outer stud is arranged on the first transverse connecting plate, a mounting hole is formed in the second transverse connecting plate, and the outer stud penetrates through the mounting hole and is fixed through a fixing nut.
7. The improved sewing machine feed crank of claim 6, wherein: the second transverse connecting plate is provided with an internal threaded hole.
8. The improved sewing machine feed crank of claim 1, wherein: the center of the arc-shaped connecting part is also provided with a center hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320657681.3U CN219653254U (en) | 2023-03-29 | 2023-03-29 | Improved generation sewing machine pay-off crank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320657681.3U CN219653254U (en) | 2023-03-29 | 2023-03-29 | Improved generation sewing machine pay-off crank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219653254U true CN219653254U (en) | 2023-09-08 |
Family
ID=87853619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320657681.3U Active CN219653254U (en) | 2023-03-29 | 2023-03-29 | Improved generation sewing machine pay-off crank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219653254U (en) |
-
2023
- 2023-03-29 CN CN202320657681.3U patent/CN219653254U/en active Active
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