CN2873832Y - Reversible sewing mechanism of sewing machine - Google Patents
Reversible sewing mechanism of sewing machine Download PDFInfo
- Publication number
- CN2873832Y CN2873832Y CN 200520047244 CN200520047244U CN2873832Y CN 2873832 Y CN2873832 Y CN 2873832Y CN 200520047244 CN200520047244 CN 200520047244 CN 200520047244 U CN200520047244 U CN 200520047244U CN 2873832 Y CN2873832 Y CN 2873832Y
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- CN
- China
- Prior art keywords
- needle
- sewing
- pendulum rod
- needle distance
- distance pendulum
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Abstract
The utility model relates to a down/reverse sewing mechanism of a sewing machine, which comprises a needle-pitch swing link dampening dial, a needle-pitch swing link, a needle-pitch swing link adjusting bolt with a needle-pitch-adjusting handle and a tooth fork. The utility model is characterized in that on the needle-pitch swing link, a cylinder drive is provided which comprises a cylinder, a down/reverse sewing connection rod and a needle-pitch swing-link tension-spring stud. One end of the needle-pitch swing-link tension-spring stud is threaded with the needle-pitch swing link through a needle-pitch swing-link tension-spring stud nut, another end is connected with the lower part of the down/reverse sewing connection rod through a connecting pin. The upper part of the own/reverse sewing connection rod is connected with the cylinder fixed on a cylinder stand through a connection rod joint that is pin jointed with the own/reverse sewing connection rod. In this way, a pneumatic mechanism for the needle-pitch swing link to carry out down/reverse swinging is constituted. The utility model is mounted at back of a sewing machine's case through the pneumatic mechanism, can improve smoothness in the sewing machine at down/reverse sewing, and increase rigidity between members of the sewing machine, so as to achieve more agile and accurate down/reverse sewing, hence improve greatly sewing efficiency and quality, meet wide demand for sewing very thick materials.
Description
Technical field
The utility model relates to a kind of backward-forward seam mechanism of Sewing machines, belongs to the sewing machine class.
Background technology
The tradition Sewing machines manually falls and sees also Fig. 3 and Fig. 4 along the structure of stitching.Wherein Fig. 3 is that traditional Sewing machines is manual along the three-dimensional combination figure of sewing mechanism, and Fig. 4 is the manually three-dimensional exploded view of suitable sewing mechanism of traditional Sewing machines.Its syndeton is: needle distance pendulum rod dampened disk 101 is fixed on the casing mounting plane by needle distance pendulum rod dampened disk holding screw 102.Needle distance pendulum rod dampened disk screw 100 is spun on the needle distance pendulum rod dampened disk 101, then the axle on the needle distance pendulum rod 103 is inserted in the hole of needle distance pendulum rod dampened disk 101, on needle distance pendulum rod dampened disk 101, be tightened onto the appropriate location by needle distance pendulum rod dampened disk screw 100 again, needle distance pendulum rod adjusting bolt 107 is spun on the needle distance pendulum rod 103, needle gage is housed on the needle distance pendulum rod adjusting bolt 107 regulates limited block (among the figure draw in the end), needle gage regulating handle 106 is spun on the needle distance pendulum rod adjusting bolt 107 also tightens again with needle gage regulating handle nut 105.Needle gage connecting rod eccentric hinge axle 108 is installed on the needle distance pendulum rod 103, is undertaken fastening by needle gage connecting rod eccentric hinge axle screw 104.Needle gage connecting rod 109 is enclosed within on needle gage connecting rod eccentric hinge axle 108 parts, and tooth fork hinge axis 112 is tightened on the tooth fork 110, and is tightened by tooth fork hinge axis nut 111, tooth fork hinge axis 112 is enclosed within the hole of needle gage connecting rod 109 again.
Above-mentioned traditional Sewing machines manually falls: when operator's hand up pushes away by needle gage regulating handle 106, needle distance pendulum rod 103 serves as the rotation initial point with needle distance pendulum rod dampened disk 101, carry out clockwise rotatablely moving, thereby realized backstitching.On the contrary, when operator's hand down pushed away by needle gage regulating handle 106, needle distance pendulum rod 103 served as the rotation initial point with needle distance pendulum rod dampened disk 101, carries out anticlockwise rotatablely moving, thereby has realized suitable seam.Because needle distance pendulum rod 103 is back and forth rotary oscillation up and down, driven moving back and forth of tooth fork 110, realize along the seam action.Under nature, Sewing machines is in the action along seam.
Above-mentioned traditional Sewing machines is in operating process, because the force rate that falling of will realizing along the seam action manual operations that places one's entire reliance upon, makes the operator use when falling suitable joint working is bigger, cause easily and make operating personnel's fatigue, inefficiency falls along the seam slow movement, influences the sewing quality of product.
The utility model content
In order to overcome the problem that exists in the above-mentioned prior art, carried out the design of hommization, the purpose of this utility model is: the novel backward-forward seam mechanism that a kind of Sewing machines is provided, both tool was simple, convenient, reduce labor intensity of operating personnel greatly, can improve down speed, operating efficiency and sewing quality again along the seam action.
The backward-forward seam mechanism of this Sewing machines, by on needle distance pendulum rod dampened disk 16, the needle distance pendulum rod 18, the needle distance pendulum rod adjusting bolt 22 and the tooth fork 27 of band needle gage regulating handle 21 form, it is characterized in that: be provided with on the described needle distance pendulum rod 18 one by cylinder 1, fall along stitching the air cylinder driven mechanism that connecting rod 10, needle distance pendulum rod tension spring stud 13 constitute; One end of wherein said needle distance pendulum rod tension spring stud 13 is spirally connected by needle distance pendulum rod tension spring stud nut 14 and needle distance pendulum rod 18, and its other end then is connected along stitching connecting rod 10 bottoms with falling through connecting pin 12; Described falling along seam connecting rod 10 tops by being connected with cylinder 1 that the connecting rod joint 7 of its pin joint is fixed on the cylinder mount pad 4; Form thus make needle distance pendulum rod 18 implement, along the pneumatic mechanism of swing.
The beneficial effects of the utility model are a sets of transmission mechanism of pneumatic usefulness is loaded on the back of casing, increased the stationarity of machine when falling along seam, strengthened the rigidity between the member, because member good rigidly, then fall agile, accurate along seam, improved sewing efficiency and sewing quality greatly, satisfied widespread demand the super-thick material Sewing machines
Description of drawings
Fig. 1 is the three-dimensional combination figure of the pneumatic backward-forward seam mechanism of the utility model Sewing machines;
Fig. 2 is the three-dimensional exploded view of the pneumatic backward-forward seam mechanism of the utility model Sewing machines;
Fig. 3 is the three-dimensional combination figure of the manual backward-forward seam mechanism of traditional Sewing machines;
Fig. 4 is the three-dimensional exploded view of the manual backward-forward seam mechanism of traditional Sewing machines.
Among the figure: 1, cylinder 2, mounting screw 3, spring washer 4, cylinder mount pad 5, spring washer 6, screw 7, connecting rod joint 8, E type back-up ring 9, connecting pin 10, fall along seam connecting rod 11, connecting pin holding screw 12, connecting pin 13, needle distance pendulum rod tension spring stud 14, needle distance pendulum rod tension spring stud nut 15, needle distance pendulum rod dampened disk screw 16, needle distance pendulum rod dampened disk 17, needle distance pendulum rod dampened disk holding screw 18, needle distance pendulum rod 19, needle gage connecting rod eccentric hinge axle screw 20 needle gage regulating handle nuts, 21 needle gage regulating handles, 22, needle distance pendulum rod adjusting bolt 23, needle gage connecting rod eccentric hinge axle 24 needle gage connecting rods, 25 teeth fork hinge axis, 26, tooth fork hinge axis nut 27, tooth fork 100, needle distance pendulum rod dampened disk screw 101, needle distance pendulum rod dampened disk 102, needle distance pendulum rod dampened disk holding screw 103, needle distance pendulum rod 104, needle gage connecting rod eccentric hinge axle spiral shell 105, needle gage regulating handle nut 106, needle gage regulating handle 107, needle distance pendulum rod adjusting bolt 108, needle gage connecting rod eccentric hinge axle 109, needle gage connecting rod 110, tooth fork 111, tooth fork hinge axis nut 112, tooth fork hinge axis
The specific embodiment
Pneumatic below in conjunction with description of drawings the utility model Sewing machines along the structure of stitching.
Fig. 1, Fig. 2 the utility model that goes out, it be to existing Sewing machines fall, along a kind of inventive improvements of mechanism, its concrete structure is as follows: on the needle distance pendulum rod 18 of existing Sewing machines, be provided with one by cylinder 1, fall the air cylinder driven mechanism that constitutes along seam connecting rod 10, needle distance pendulum rod tension spring stud 13.One sets of transmission mechanism of pneumatic usefulness is installed on the back assigned address of casing, makes falling, driving by cylinder along the sewing conversion and realize in the sewing process.
Wherein: the piston rod top of cylinder 1 links to each other with connecting rod joint 7, connecting rod joint 7 with fall along being connected by connecting pin 9 between the seam connecting rod 10, and on the card of the two ends of connecting pin 9 E type back-up ring 8, fixing between cylinder mount pad 4 upper ends and cylinder 1 mounting plane by mounting screw 6 and spring washer 5.Then the lower surface of cylinder mount pad 4 is installed in the assigned address at casing back, fixes by mounting screw 2 and spring washer 3.
Needle distance pendulum rod dampened disk 16 is fixed on the casing designated mounting plane by needle distance pendulum rod dampened disk holding screw 17.Needle distance pendulum rod tension spring stud nut 14 is spun on the needle distance pendulum rod tension spring stud 13, again needle distance pendulum rod tension spring stud 13 is spun on the needle distance pendulum rod 18, and screw needle distance pendulum rod tension spring stud nut 14, then the axle on the needle distance pendulum rod 18 is inserted in the hole of needle distance pendulum rod dampened disk 16, again needle distance pendulum rod dampened disk screw 15 is tightened onto the appropriate location on needle distance pendulum rod dampened disk 16, needle distance pendulum rod adjusting bolt 22 is spun on the needle distance pendulum rod 18, needle gage is housed on the needle distance pendulum rod adjusting bolt 22 regulates limited block (among the figure draw in the end), needle gage regulating handle 21 is spun on the needle distance pendulum rod adjusting bolt 22 also tightens again with needle gage regulating handle nut 20.At last, fall, carry out fastening with connecting pin holding screw 11 again along inserting connecting pin 12 between seam connecting rod 10 and the needle distance pendulum rod tension spring stud 13.Needle gage connecting rod eccentric hinge axle 23 is installed on the needle distance pendulum rod 18, is undertaken fastening by needle gage connecting rod eccentric hinge axle screw 19.Needle gage connecting rod 24 is enclosed within on the needle gage connecting rod eccentric hinge axle 23, and tooth fork hinge axis 25 is tightened on the tooth fork 27, and is tightened by tooth fork hinge axis nut 26, tooth fork hinge axis 25 is set on the needle gage connecting rod 24 again.
Consult Fig. 1, structure shown in Figure 2, its implementation procedure is: when the piston rod of cylinder 1 is done the time spent downwards, fall to drive needle distance pendulum rod tension spring studs 13 along the connecting pin in the seam connecting rod 10 12 and move downward.Connecting rod joint 7 with fall along being connected E type back-up ring on the card of the two ends of connecting pin 9 by connecting pin 9 between the seam connecting rod 10.Mainly be in motion process, to play free active action, avoid cylinder phenomenon in motion process, to occur suppressing, because the downward effect of cylinder piston rod, thereby driven with dampened disk 16 is needle distance pendulum rod 18 swing that turns clockwise of rotation initial point, be subjected to the swing effect, also drive the swing of tooth fork 27, that has so just realized Sewing machines pneumaticly backstitches action.When the piston rod of cylinder automatically resets, pulling needle distance pendulum rod tension spring stud 13 moves upward, and having driven with dampened disk 16 serves as that the needle distance pendulum rod 18 that rotates initial point is rotated counterclockwise swing, is subjected to the swing effect, also drive the swing of tooth fork 27, so just realized the pneumatic of Sewing machines along the seam action.
Under nature, Sewing machines is in the action along seam.Thereby provide a kind of pneumatic backward-forward seam mechanism of Sewing machines.
Claims (1)
1, a kind of backward-forward seam mechanism of Sewing machines, by needle distance pendulum rod dampened disk (16), needle distance pendulum rod (18) go up, the needle distance pendulum rod adjusting bolt (22) and the tooth fork (27) of band needle gage regulating handle (21) form, it is characterized in that: be provided with on the described needle distance pendulum rod (18) one by cylinder (1), fall air cylinder driven mechanism along seam connecting rod (10), needle distance pendulum rod tension spring stud (13) formation; One end of wherein said needle distance pendulum rod tension spring stud (13) is spirally connected by needle distance pendulum rod tension spring stud nut (14) and needle distance pendulum rod (18), and its other end then is connected along stitching connecting rod (10) bottom with falling through connecting pin (12); Described falling along seam connecting rod (10) top by being connected with cylinder (1) that the connecting rod street corner (7) of its pin joint is fixed on the cylinder mount pad (4); Form thus make needle distance pendulum rod (18) implement, along the pneumatic mechanism of swing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520047244 CN2873832Y (en) | 2005-12-06 | 2005-12-06 | Reversible sewing mechanism of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520047244 CN2873832Y (en) | 2005-12-06 | 2005-12-06 | Reversible sewing mechanism of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2873832Y true CN2873832Y (en) | 2007-02-28 |
Family
ID=37780428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520047244 Expired - Fee Related CN2873832Y (en) | 2005-12-06 | 2005-12-06 | Reversible sewing mechanism of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2873832Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102212937A (en) * | 2011-04-29 | 2011-10-12 | 新杰克缝纫机股份有限公司 | Device for adjusting stitch distance density of flat seaming machine |
| CN102345213A (en) * | 2011-04-29 | 2012-02-08 | 新杰克缝纫机股份有限公司 | Automatic regulation device for needle pitch density of flat seaming machine |
-
2005
- 2005-12-06 CN CN 200520047244 patent/CN2873832Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102212937A (en) * | 2011-04-29 | 2011-10-12 | 新杰克缝纫机股份有限公司 | Device for adjusting stitch distance density of flat seaming machine |
| CN102345213A (en) * | 2011-04-29 | 2012-02-08 | 新杰克缝纫机股份有限公司 | Automatic regulation device for needle pitch density of flat seaming machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070228 Termination date: 20101206 |