CN202247279U - Pressing bar lifting mechanism for sewing machine - Google Patents
Pressing bar lifting mechanism for sewing machine Download PDFInfo
- Publication number
- CN202247279U CN202247279U CN2011203599736U CN201120359973U CN202247279U CN 202247279 U CN202247279 U CN 202247279U CN 2011203599736 U CN2011203599736 U CN 2011203599736U CN 201120359973 U CN201120359973 U CN 201120359973U CN 202247279 U CN202247279 U CN 202247279U
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- CN
- China
- Prior art keywords
- fixing hole
- lifting
- presser feet
- pressing bar
- elevating
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a pressing bar lifting mechanism for a sewing machine, and the pressing bar lifting mechanism comprises a lifting bracket, a pressing bar lifter and an offsetting spring, wherein the lifting bracket is connected with a lifting transmission mechanism; the pressing bar lifter is slidably arranged in a machine head and is connected with the lifting bracket; the offsetting spring is sleeved on the exterior of the pressing bar lifter; a lifting base is fixedly connected with the bottom of the pressing bar lifter; a first fixing hole and a second fixing hole are formed on one side wall of the lifting base; a pulley shaft is fixedly arranged in the first fixing hole; a pulley used for guiding is arranged on the pulley shaft in a transmission mode; a lifting driving shaft which is used for lifting a pressing bar is fixedly arranged in the second fixing hole; a third fixing hole is formed on the other side wall of the lifting base; a guiding rod which is used for lifting a shearing device is fixedly arranged in the third fixing hole; the pressing bar lifting mechanism can be used for lifting a pressing bar device and the shearing device at the same time; and the lifting transmission mechanism is driven by a V-shaped swinging plate, a guiding connecting plate and a fixe guiding plate. The pressing bar lifting mechanism has the advantages of simple structure and convenience in assembling.
Description
Technical field
The utility model relates to a kind of Sewing machines, specifically a kind of presser bar lifting mechanisms of Sewing machines.
Background technology
Existing sewing machine need be pushed down cloth and make in use with foot device, sewing after accomplishing is seen cloth off.Foot device is driven by a presser bar lifting mechanisms, and presser feet can be rotated, and matches with delivery sheet and to push down cloth.The presser bar lifting mechanisms and the presser foot device of existing Sewing machines all are combine and assemble, and presser bar lifting mechanisms can only be used to promote presser feet, does not have other functions, and structure is comparatively complicated, wayward.
Summary of the invention
The utility model technical problem to be solved is to above-mentioned prior art present situation; And a kind of presser bar lifting mechanisms of Sewing machines is provided; Through a multi-functional elevating bracket, can promote foot device and cutting facility simultaneously, on elevating bracket, also be provided with the pulley that is used to press the rack device guiding; And elevating drive mechanism has advantage simple in structure, that be convenient to assemble through V-arrangement oscillating deck, guiding connecting plate and the transmission of fixed guide plate.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of presser bar lifting mechanisms of Sewing machines; Comprise the lifting support that is connected with elevating drive mechanism; Be slidingly arranged in the head and the presser feet elevating lever that is connected with lifting support, and be set in the outer back-moving spring of presser feet elevating lever, presser feet elevating lever bottom is fixedly connected with elevating bracket; Elevating bracket one side is shaped on first fixing hole and second fixing hole; Be set with pulley spindle in first fixing hole, pulley spindle rotates and is provided with the pulley that is used to lead, and fixedly installs in second fixing hole to be useful on the lift drive shaft that promotes presser feet; Be shaped on the 3rd fixing hole in the another side of elevating bracket, fixedly install in the 3rd fixing hole and be useful on the guide post that promotes cutting facility.
For optimizing technique scheme, the utility model also comprises following improved technical scheme.
Above-mentioned elevating drive mechanism comprises the V-arrangement oscillating deck, and the middle part and the headstock of V-arrangement oscillating deck are rotatably assorted, and an end of V-arrangement oscillating deck is rotatably connected to lifter drawing bar, and the other end flexibly connects through fixed axis and guiding connecting plate; The guiding connecting plate is shaped on a gathering sill and an axis hole that is slidingly matched with fixed axis, and lifting support is shaped on a protruding axle, and protruding axle passes the axis hole of guiding connecting plate, and is slidingly arranged in the chute of fixed guide plate.
Above-mentioned elevating bracket is set with presser feet protection spring.
Above-mentioned presser feet protection spring is made up of a pole pair folding back bending, is shaped on two jacks on the elevating bracket, and two terminations of presser feet protection spring are inserted in the jack.
Above-mentioned head is provided with the spring adjusting nut, and the upper end of presser feet elevating lever is slidingly arranged in the axle certre hole of spring adjusting nut, and back-moving spring is set in outside the presser feet elevating lever, and an end matches with the spring adjusting nut, and the other end and elevating bracket match.
Compared with prior art; The presser bar lifting mechanisms of a kind of Sewing machines of the utility model; Its elevating bracket one side is shaped on first fixing hole and second fixing hole; Be set with pulley spindle in first fixing hole, pulley spindle rotates and is provided with the pulley that is used to lead, and fixedly installs in second fixing hole to be useful on the lift drive shaft that promotes presser feet; Be shaped on the 3rd fixing hole in the another side of elevating bracket, fixedly install in the 3rd fixing hole and be useful on the guide post that promotes cutting facility; The elevating bracket of the utility model can promote foot device and cutting facility simultaneously; Pulley on elevating bracket can also be used to press the guiding of rack device; And elevating drive mechanism is connected transmission through V-arrangement oscillating deck, guiding connecting plate with the fixed guide plate, has advantage simple in structure, that control conveniently, be convenient to assemble.
Description of drawings
Fig. 1 is the perspective view of the utility model embodiment.
Fig. 2 is the front view of the utility model embodiment.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is the assembling exploded view of Fig. 1.
The specific embodiment
Embodiment to the utility model describes in further detail below in conjunction with accompanying drawing.
Fig. 1 is extremely shown in Figure 4 to be the structural representation of the utility model.
Reference numeral wherein is: lifting support 1; Protruding axle 1a; Presser feet elevating lever 2; Back-moving spring 3; Spring adjusting nut 31; Elevating bracket 4; Jack 4a; First fixing hole 41; Second fixing hole 42; Pulley spindle 44; Pulley 45; Lift drive shaft 46; Guide post 47; Presser feet protection spring 48; V-arrangement oscillating deck 5; Fixed axis 51; Lifter drawing bar 6; Guiding connecting plate 7; Gathering sill 7a; Axis hole 7b; Fixed guide plate 8; Chute 8a; Delivery sheet 91; Presser feet support 92; Groove 92a; Movable end 92b; Pressure foot 93; Feeding guide plate 94; Trimming frame 95.
The presser bar lifting mechanisms of a kind of Sewing machines of the utility model; Comprise the lifting support 1 that is connected with elevating drive mechanism; Be slidingly arranged in the head and the presser feet elevating lever 2 that is connected with lifting support 1, and be set in the back-moving spring 3 outside the presser feet elevating lever 2, presser feet elevating lever 2 bottoms are fixedly connected with elevating bracket 4; Elevating bracket 4 one sides are shaped on first fixing hole 41 and second fixing hole 42; Be set with pulley spindle 44 in first fixing hole 41, pulley spindle 44 rotates to be provided with to fixedly install in pulley 45, the second fixing holes 42 that are used to lead and is useful on the lift drive shaft 46 that promotes presser feet; Be shaped on the 3rd fixing hole in the another side of elevating bracket 4, fixedly install in the 3rd fixing hole and be useful on the guide post 47 that promotes cutting facility.
Side at presser bar lifting mechanisms is provided with the work feed structure; The work feed structure comprises the delivery sheet 91 that is fixedly connected with the work feed sliding support, be located at delivery sheet 91 tops and can be around the presser feet support 92 of work feed sliding support rotation, and the pressure foot 93 that is connected and can matches with delivery sheet 91 with presser feet support 92.Pulley 45 matches with the groove 92a at the movable end 92b top of presser feet support 92.Lift drive shaft 46 matches with the feeding guide plate 94 of movable end 92b sidewall, when lift drive shaft 46 moves up and down, can drive the movable end 92b rotation of presser feet support 92.Guide post 47 matches with the trimming frame 95 of cutting facility, when guide post 47 moves up and down, can drive trimming frame 95 and move up and down together.
Elevating drive mechanism comprises V-arrangement oscillating deck 5, and the middle part and the headstock of V-arrangement oscillating deck 5 are rotatably assorted, and an end of V-arrangement oscillating deck 5 is rotatably connected to lifter drawing bar 6, and the other end flexibly connects through fixed axis 51 and guiding connecting plate 7; Guiding connecting plate 7 is shaped on a gathering sill 7a and an axis hole 7b who is slidingly matched with fixed axis 51, and lifting support 1 is shaped on a protruding axle 1a, and protruding axle 1a passes the axis hole 7b of guiding connecting plate 7, and is slidingly arranged in the chute 8a of fixed guide plate 8.
Elevating bracket 4 is set with presser feet protection spring 48.In the present embodiment, presser feet protection spring 48 is made up of a pole pair folding back bending, is shaped on two jack 4a on the elevating bracket 4, and two terminations of presser feet protection spring 48 are inserted in the jack 4a.
Head is provided with spring adjusting nut 31, and the upper end of presser feet elevating lever 2 is slidingly arranged in the axle certre hole of spring adjusting nut 31, and back-moving spring 3 is set in outside the presser feet elevating lever 2, and an end matches with spring adjusting nut 31, and the other end and elevating bracket 4 match.
The most preferred embodiment of the utility model is illustrated, and various variations of being made by those of ordinary skills or remodeling can not break away from the scope of the utility model.
Claims (5)
1. the presser bar lifting mechanisms of a Sewing machines; Comprise the lifting support (1) that is connected with elevating drive mechanism; Be slidingly arranged in the head and the presser feet elevating lever (2) that is connected with lifting support (1); And be set in the outer back-moving spring (3) of presser feet elevating lever (2); It is characterized in that: said presser feet elevating lever (2) bottom is fixedly connected with elevating bracket (4), and described elevating bracket (4) one sides are shaped on first fixing hole (41) and second fixing hole (42), are set with pulley spindle (44) in described first fixing hole (41); Described pulley spindle (44) rotates and is provided with the pulley (45) that is used to lead, and fixedly installs in described second fixing hole (42) to be useful on the lift drive shaft (46) that promotes presser feet; Another side at elevating bracket (4) is shaped on the 3rd fixing hole, fixedly installs in described the 3rd fixing hole to be useful on the guide post (47) that promotes cutting facility.
2. the presser bar lifting mechanisms of a kind of Sewing machines according to claim 1; It is characterized in that: described elevating drive mechanism comprises V-arrangement oscillating deck (5); The middle part and the headstock of said V-arrangement oscillating deck (5) are rotatably assorted; One end of V-arrangement oscillating deck (5) is rotatably connected to lifter drawing bar (6), and the other end flexibly connects through fixed axis (51) and guiding connecting plate (7); Described guiding connecting plate (7) is shaped on the gathering sill (7a) and the axis hole (7b) that are slidingly matched with fixed axis (51); Described lifting support (1) is shaped on a protruding axle (1a); Described protruding axle (1a) passes the axis hole (7b) of guiding connecting plate (7), and is slidingly arranged in the chute (8a) of fixed guide plate (8).
3. the presser bar lifting mechanisms of a kind of Sewing machines according to claim 2 is characterized in that: described elevating bracket (4) is set with presser feet protection spring (48).
4. the presser bar lifting mechanisms of a kind of Sewing machines according to claim 3; It is characterized in that: described presser feet protection spring (48) is made up of a pole pair folding back bending; Be shaped on two jacks (4a) on the described elevating bracket (4), two terminations of presser feet protection spring (48) are inserted in the jack (4a).
5. the presser bar lifting mechanisms of a kind of Sewing machines according to claim 4; It is characterized in that: described head is provided with spring adjusting nut (31); The upper end of said presser feet elevating lever (2) is slidingly arranged in the axle certre hole of spring adjusting nut (31); Described back-moving spring (3) is set in outside the presser feet elevating lever (2), and an end matches with spring adjusting nut (31), and the other end and elevating bracket (4) match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203599736U CN202247279U (en) | 2011-09-23 | 2011-09-23 | Pressing bar lifting mechanism for sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203599736U CN202247279U (en) | 2011-09-23 | 2011-09-23 | Pressing bar lifting mechanism for sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202247279U true CN202247279U (en) | 2012-05-30 |
Family
ID=46108546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203599736U Expired - Fee Related CN202247279U (en) | 2011-09-23 | 2011-09-23 | Pressing bar lifting mechanism for sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202247279U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105177872A (en) * | 2015-10-26 | 2015-12-23 | 湖州织里韩衣童社服饰有限公司 | Presser foot used for bartack sewing machine |
| CN105177871A (en) * | 2015-10-26 | 2015-12-23 | 湖州织里韩衣童社服饰有限公司 | Cloth pressing device of bartack sewing machine |
| CN106637710A (en) * | 2016-12-16 | 2017-05-10 | 浙江中捷缝纫科技有限公司 | Foot pressure driving device |
-
2011
- 2011-09-23 CN CN2011203599736U patent/CN202247279U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105177872A (en) * | 2015-10-26 | 2015-12-23 | 湖州织里韩衣童社服饰有限公司 | Presser foot used for bartack sewing machine |
| CN105177871A (en) * | 2015-10-26 | 2015-12-23 | 湖州织里韩衣童社服饰有限公司 | Cloth pressing device of bartack sewing machine |
| CN105177871B (en) * | 2015-10-26 | 2019-06-07 | 吴江极地纺织有限公司 | A kind of cloth-pressing device of bar tacking machine |
| CN105177872B (en) * | 2015-10-26 | 2019-06-21 | 吴江天逸纺织有限公司 | A kind of bar tacking machine presser feet |
| CN106637710A (en) * | 2016-12-16 | 2017-05-10 | 浙江中捷缝纫科技有限公司 | Foot pressure driving device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20190923 |