CN213896251U - Presser foot transmission mechanism - Google Patents
Presser foot transmission mechanism Download PDFInfo
- Publication number
- CN213896251U CN213896251U CN202022701981.6U CN202022701981U CN213896251U CN 213896251 U CN213896251 U CN 213896251U CN 202022701981 U CN202022701981 U CN 202022701981U CN 213896251 U CN213896251 U CN 213896251U
- Authority
- CN
- China
- Prior art keywords
- presser foot
- crank
- rod
- transmission
- rotatably connected
- Prior art date
- 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.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 59
- 230000007246 mechanism Effects 0.000 title claims abstract description 27
- 239000004753 textile Substances 0.000 abstract description 2
- 238000009958 sewing Methods 0.000 description 11
- 239000004744 fabric Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
The utility model relates to the technical field of textile machinery, concretely relates to presser foot drive mechanism. The presser foot transmission mechanism comprises a presser foot component and a transmission component for driving the presser foot component to transmit; the presser foot component comprises a presser foot and a presser foot rod, and the presser foot is fixedly connected to the bottom end of the presser foot rod; the transmission assembly comprises a driven shaft, a swinging crank, a fixing piece, a triangular crank and a crank connecting rod; the driven shaft is arranged above the presser foot rod; the swing crank is fixedly connected to the driven shaft, and the outer side of the swing crank is rotatably connected with one end of the crank connecting rod; the fixing piece is fixedly arranged between the swinging crank and the presser foot rod; the bottom end of the triangular crank is rotatably connected to the fixing piece, and two sides of the top end of the triangular crank are respectively rotatably connected with the crank connecting rod and the top end of the presser foot rod; the utility model provides a pair of presser foot drive mechanism has solved among the prior art presser foot drive mechanism and has taken the organism space big, problem that life is short.
Description
Technical Field
The utility model relates to the technical field of textile machinery, concretely relates to presser foot drive mechanism.
Background
The sewing machine is mainly a machine which uses a sewing thread to form a stitch on a sewing material and enables one layer or a plurality of layers of sewing materials to be interwoven or sewed; the presser foot of the sewing machine is used for pressing cloth before sewing, and the cloth is pressed on the cloth feeding teeth during sewing, so that the teeth and the cloth have enough friction force to convey the cloth, and the normal sewing is ensured.
The transmission assembly of the presser foot transmission mechanism in the prior art is too complex, so that the presser foot transmission mechanism occupies a large machine body space and has short service life. Therefore, the presser foot transmission mechanism is provided to solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a presser foot drive mechanism aims at solving among the prior art drive assembly too complicated, leads to it to exist to occupy the organism space big, problem that life is short.
In order to achieve the above object, the utility model provides a presser foot drive mechanism, including presser foot subassembly and drive the driven drive assembly of presser foot subassembly, wherein:
the presser foot component comprises a presser foot and a presser foot rod, and the presser foot is fixedly connected to the bottom end of the presser foot rod;
the transmission assembly comprises a driven shaft, a swinging crank, a fixing piece, a triangular crank and a crank connecting rod; the driven shaft is arranged above the presser foot rod; the swing crank is fixedly connected to one end, close to the presser foot rod, of the driven shaft, and the outer side of the swing crank is rotatably connected with one end of the crank connecting rod; the fixing piece is fixedly arranged between the swinging crank and the presser foot rod; the triangular crank is rotatably connected to the fixing piece, one end of the outer side of the triangular crank is rotatably connected with the other end of the crank connecting rod, and the other end of the outer side of the triangular crank is rotatably connected with the top end of the presser foot rod.
More specifically, the presser foot transmission mechanism further comprises a driving component for driving the transmission component to transmit; the driving assembly comprises a driving shaft, an eccentric wheel, a driven plate, a transmission part and a guide block; the driving shaft is arranged on the outer side of the driven shaft; the eccentric wheel is fixedly connected to the driving shaft; the transmission part is arranged above the eccentric wheel, and one end of the transmission part, which is close to the driven shaft, is provided with a groove; two first connecting rods are arranged in the groove; the two first connecting rods are respectively arranged on two sides of the groove, one end of each first connecting rod is rotatably connected to the transmission part, and the other end of each first connecting rod is fixedly connected with a transmission shaft; a round hole corresponding to the eccentric wheel is formed in the middle of the driven plate and is rotatably connected with the eccentric wheel through the round hole, and the top end of the driven plate is rotatably connected with the transmission shaft; the driving block is fixedly connected to the driven shaft, and one end, close to the transmission part, of the driving block is provided with a second connecting rod; one end of the second connecting rod is rotatably connected with the guide block, and the other end of the second connecting rod is rotatably connected with the transmission shaft.
More specifically, the presser bar top is equipped with the connecting block, connecting block one end is connected with the presser bar rotation, the other end with the triangle crank outside is close to the one end of presser bar rotates to be connected.
More specifically, a plurality of machine needle holes are formed in the presser foot.
More specifically, the fixing piece top end fixedly connected with dead lever.
More specifically, the driven shaft both ends are connected with the bearing respectively.
More specifically, the transmission member is fixedly connected with a fixing shaft extending outwards.
The utility model relates to a presser foot drive mechanism's technological effect does:
1. the structure is simple; adopt swing crank, crank connecting rod and crank handle's design, through driven shaft drive swing crank's outside to drive crank connecting rod control crank handle motion, realize the presser foot and go up and down, this transmission simple structure occupies organism control little, and the part is difficult to take place to damage, thereby improves life.
2. The transmission is stable; the design of a transmission part, an eccentric wheel, a driven plate and a guide block is adopted, so that the driving shaft can drive the driven shaft to move under the action of transmission, namely, the driving shaft rotates for a circle, the driven shaft completes one round of back-and-forth rotation along with the driving shaft, and therefore, the presser foot transmission assembly and the needle rod transmission assembly just achieve one-time transmission, and the presser foot and the needle rod synchronously complete one-time lifting.
Drawings
Fig. 1 is a schematic structural view of a presser foot transmission mechanism according to the present invention;
fig. 2 is a partial schematic view of a presser foot transmission mechanism according to the present invention.
The labels in the figure are:
1-a presser foot assembly; 2-a transmission assembly; 3-a drive assembly;
101-presser foot; 102-presser foot bar; 103-machine pinhole;
201-driven shaft; 202-a rocking crank; 203, a fixing piece; 204-a crank;
205-connection block; 206-crank link; 207-bearings; 208-fixing the rod;
301-drive shaft; 302-eccentric wheel; 303-driven plate; 304 — a transmission; 305 — a guide block;
306-a groove; 307-fixed shaft; 308-a first link; 309-drive shaft;
310 — a second link;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
The utility model discloses a preferred embodiment, this embodiment is realized like this, refer to fig. 1-2, a presser foot drive mechanism, including presser foot subassembly 1 and the driven transmission assembly 2 of drive presser foot subassembly 1, wherein:
the presser foot assembly 1 comprises a presser foot 101 and a presser foot rod 102, the presser foot 101 is fixedly connected to the bottom end of the presser foot rod 102, and a plurality of machine needle holes 103 are formed in the presser foot 101.
The transmission assembly 2 comprises a driven shaft 201, a swing crank 202, a fixing piece 203, a triangle crank 204, a connecting block 205 and a crank connecting rod 206; the driven shaft 201 is arranged above the presser foot rod 102, two ends of the driven shaft are respectively connected with a bearing 207, and the driven shaft 201 is connected to the sewing machine body through the bearings 207; the swing crank 202 is fixedly connected to one end of the driven shaft 201 close to the presser foot rod 102, and the outer side of the swing crank is rotatably connected with one end of the crank connecting rod 206; one end of the connecting block 205 is rotatably connected to the top end of the presser foot rod 102; the fixing piece 203 is arranged between the swinging crank 202 and the presser foot bar 102, the top end of the fixing piece is fixedly connected with a fixing rod 208, and the fixing piece 203 is fixedly connected to the sewing machine body through the fixing rod 208; the triangular crank 204 is rotationally connected to the fixed part 203, the left end of the outer side of the triangular crank is rotationally connected with the other end of the crank connecting rod 206, the right end of the outer side of the triangular crank is rotationally connected with the other end of the connecting block 205, and the connecting block 205 is used for preventing the pressure foot rod 102 from colliding with the triangular crank 204 to cause the position deviation of the pressure foot rod 102;
preferably, the presser foot transmission mechanism further comprises a driving assembly 3 for driving the transmission assembly 2, wherein the driving assembly 3 comprises a driving shaft 301, an eccentric wheel 302, a driven plate 303, a transmission member 304 and a guide block 305; the driving shaft 301 is arranged outside the driven shaft 201; the eccentric wheel 302 is fixedly connected to the driving shaft 301; the transmission piece 304 is arranged above the eccentric wheel 302, a groove 306 is formed in one end, close to the driven shaft 201, of the transmission piece 304, the transmission piece 304 is fixedly connected with a fixing shaft 307 which extends outwards, and the transmission piece 304 is fixedly connected to the sewing machine body through the fixing shaft 307; two first connecting rods 308 are arranged in the groove 306; the two first connecting rods 308 are respectively arranged at two sides of the groove 306, and each first connecting rod has one end rotatably connected to the transmission member 304 and the other end fixedly connected to the transmission shaft 309; a round hole corresponding to the eccentric wheel 302 is formed in the middle of the driven plate 303, the round hole is rotatably connected with the eccentric wheel 302, and the top end of the round hole is rotatably connected with the transmission shaft 309; the driving block 305 is fixedly connected to the driven shaft 201, and a second connecting rod 310 is arranged at one end of the driving block close to the driving piece 304; one end of the second link 310 is rotatably connected to the guide block 305, and the other end is rotatably connected to the transmission shaft 309.
The utility model discloses a working process does:
the driving shaft 301 is driven to rotate by a motor, the eccentric wheel 302 rotates along with the driving shaft 301 and drives the driven plate 303 to do circular motion, the driven plate 303 drives the transmission shaft 309 to do up-and-down motion, the second connecting rod 310 drives the guide block 305 to swing up and down, the guide block 305 enables the driven shaft 201 to do back-and-forth motion, so that the outer side of the swing crank 202 swings back and forth, the crank connecting rod 206 drives the crank 204, the crank 204 pulls up or presses down the presser bar 102, and therefore the lifting of the presser 101 is achieved.
The utility model relates to a pair of presser foot drive mechanism through reasonable structure setting, has solved among the prior art drive assembly too complicated, leads to it to have the problem that occupies organism space greatly, life is short.
The above description is only for the preferred embodiment of the present invention, and the structure is not limited to the above-mentioned shape, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A presser foot drive mechanism which characterized in that: including presser foot subassembly and drive the driven subassembly of presser foot subassembly transmission, wherein:
the presser foot component comprises a presser foot and a presser foot rod, and the presser foot is fixedly connected to the bottom end of the presser foot rod;
the transmission assembly comprises a driven shaft, a swinging crank, a fixing piece, a triangular crank and a crank connecting rod; the driven shaft is arranged above the presser foot rod; the swing crank is fixedly connected to one end, close to the presser foot rod, of the driven shaft, and the outer side of the swing crank is rotatably connected with one end of the crank connecting rod; the fixing piece is fixedly arranged between the swinging crank and the presser foot rod; the triangular crank is rotatably connected to the fixing piece, one end of the outer side of the triangular crank is rotatably connected with the other end of the crank connecting rod, and the other end of the outer side of the triangular crank is rotatably connected with the top end of the presser foot rod.
2. The presser foot drive mechanism of claim 1, wherein: the presser foot transmission mechanism also comprises a driving component for driving the transmission component to transmit; the driving assembly comprises a driving shaft, an eccentric wheel, a driven plate, a transmission part and a guide block; the driving shaft is arranged on the outer side of the driven shaft; the eccentric wheel is fixedly connected to the driving shaft; the transmission part is arranged above the eccentric wheel, and one end of the transmission part, which is close to the driven shaft, is provided with a groove; two first connecting rods are arranged in the groove; the two first connecting rods are respectively arranged on two sides of the groove, one end of each first connecting rod is rotatably connected to the transmission part, and the other end of each first connecting rod is fixedly connected with a transmission shaft; a round hole corresponding to the eccentric wheel is formed in the middle of the driven plate and is rotatably connected with the eccentric wheel through the round hole, and the top end of the driven plate is rotatably connected with the transmission shaft; the driving block is fixedly connected to the driven shaft, and one end, close to the transmission part, of the driving block is provided with a second connecting rod; one end of the second connecting rod is rotatably connected with the guide block, and the other end of the second connecting rod is rotatably connected with the transmission shaft.
3. The presser foot drive mechanism of claim 1, wherein: the pressure foot rod top is equipped with the connecting block, connecting block one end is connected with the pressure foot rod rotation, the other end with the triangle crank outside is close to the one end rotation of pressure foot rod is connected.
4. The presser foot drive mechanism of claim 1, wherein: the presser foot is provided with a plurality of machine needle holes.
5. The presser foot drive mechanism of claim 1, wherein: the fixing piece top end is fixedly connected with a fixing rod.
6. The presser foot drive mechanism of claim 1, wherein: and two ends of the driven shaft are respectively connected with a bearing.
7. The presser foot drive mechanism of claim 2, wherein: and the transmission piece is fixedly connected with a fixing shaft extending outwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022701981.6U CN213896251U (en) | 2020-11-20 | 2020-11-20 | Presser foot transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022701981.6U CN213896251U (en) | 2020-11-20 | 2020-11-20 | Presser foot transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213896251U true CN213896251U (en) | 2021-08-06 |
Family
ID=77120886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022701981.6U Active CN213896251U (en) | 2020-11-20 | 2020-11-20 | Presser foot transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213896251U (en) |
-
2020
- 2020-11-20 CN CN202022701981.6U patent/CN213896251U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1095894C (en) | Presser foot device for sewing machine | |
| CN213896251U (en) | Presser foot transmission mechanism | |
| CN201459372U (en) | Feeding device of sewing machine | |
| CN202064139U (en) | Reverse direction bag sewing machine used by left hand | |
| CN212404438U (en) | Overedger's feeding mechanism | |
| CN206721469U (en) | A kind of sewing machine of more presser feets | |
| CN203668638U (en) | Rear dragging wheel device of sewing machine | |
| CN214529586U (en) | Needle bar and presser foot transmission mechanism | |
| CN201206204Y (en) | Linkage transmission mechanism of needle row shaft and pressing plate shaft of computer shuttleless multi-needle quilter | |
| CN1827893B (en) | Sewing machine capable of bidirectionally sewing fabric | |
| CN213896253U (en) | Presser foot transmission mechanism | |
| CN2293579Y (en) | Comprehensive work-feeding mechanism for sewing machine | |
| CN202658359U (en) | Swing crankshaft connecting rod mechanism for two-needle bar warp knitting machine | |
| CN207295170U (en) | The energy-storage type driving mechanism of machine head of embroidery machine shank | |
| CN201031305Y (en) | Special type embroidery machines frame head transmission mechanism | |
| CN221566471U (en) | Presser foot lifting and needle distance adjusting mechanism of sewing machine | |
| CN206545107U (en) | A kind of automatic needle-foot-lifting device of flat seam machine | |
| CN215561062U (en) | Double-drive tug device | |
| CN214496707U (en) | Transmission piece for sewing equipment and sewing machine | |
| CN213624654U (en) | Single-motor flat car sewing machine | |
| CN213835843U (en) | Needle bar guide type presser foot driving mechanism | |
| CN218880278U (en) | Driving mechanism for cutter assembly and presser foot lifting assembly of sewing machine | |
| CN206706349U (en) | A kind of sewing machine that can be backstitched automatically | |
| CN218989590U (en) | Driving mechanism for lifting presser foot of flat seaming machine | |
| CN216193269U (en) | Single motor controlled multifunctional sewing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 528518 No. 52 Baoying Road, Mingcheng Town, Gaoming District, Foshan City, Guangdong Province (Residence application) Patentee after: FOSHAN CITY KEHUA SMART QUILTING EQUIPMENT CO.,LTD. Address before: 528518 workshop 1, No.705, south side of Gaoming Avenue, Mingcheng Town, Gaoming District, Foshan City, Guangdong Province Patentee before: FOSHAN CITY KEHUA SMART QUILTING EQUIPMENT CO.,LTD. |
|
| CP02 | Change in the address of a patent holder |