CN204138894U - A kind of sewing device of built-in presser foot lifter electromagnet - Google Patents
A kind of sewing device of built-in presser foot lifter electromagnet Download PDFInfo
- Publication number
- CN204138894U CN204138894U CN201420461037.XU CN201420461037U CN204138894U CN 204138894 U CN204138894 U CN 204138894U CN 201420461037 U CN201420461037 U CN 201420461037U CN 204138894 U CN204138894 U CN 204138894U
- Authority
- CN
- China
- Prior art keywords
- lever
- electromagnet
- presser foot
- foot lifter
- housing
- 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.)
- Expired - Fee Related
Links
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
The utility model provides a kind of sewing device of built-in presser foot lifter electromagnet, belongs to technical field of sewing equipment.It solve the technical problems such as the gouging abrasion of existing sewing device electromagnet core adhesive is serious and noise is large.This sewing device comprises housing and presser foot lifter, presser foot lifter to be connected on housing and can vertically to move back and forth, it is characterized in that, electromagnet and horizontal pull bar is provided with in housing, the inner of pull bar is connected with the iron core of electromagnet, the outer end of pull bar is connected with presser foot lifter and pull bar can drive the lifting of presser foot lifter, lever one and torsion spring is also provided with in housing, the middle part of lever one is hinged on housing by a screw, the outer end of lever one is resisted against on electromagnet outer surface, the inner of lever one is connected with the iron core of electromagnet, torsion spring set is located on screw and one end and is resisted against on the outer end of lever one, the other end is resisted against on housing.The utility model plays cushioning effect by torsion spring and cushion pad, reduces brinelling and impact noise.
Description
Technical field
The utility model belongs to technical field of sewing equipment, relates to a kind of sewing device of built-in presser foot lifter electromagnet.
Background technology
The presser foot lifter of Sewing machines is the vitals in sewing device, and it can play the function compressing and locate and treat sewing cloth, to facilitate precisely and cloth of sewing efficiently.Sewing machines in the course of the work, often complete one section of stitching, just need to lift presser foot lifter, go this action by manpower knee or manual actuation machinery, need to bestow larger moment, and the frequency of Sewing machines presser foot lifter has in the course of the work been higher, this can bring a large amount of workloads, people are through long-term exploration, and the sewing device in the present age designs various types of automatic needle-foot-lifting mechanism, drives presser foot lifter lifting by pneumatic or electronic.Such as have in the market and utilize the back of the body to carry the equipment that external hanging type presser foot lifter electromagnet carrys out lifting presser foot lifter on the back.This back of the body carries that external hanging type presser foot lifter electromagnet apparatus cost is high on the back, the bodily form is large, take up space, dismantle inconvenience, unsightly.
China's patent (publication number: CN 203668644 U, publication date: 2014.06.25) disclose a kind of automatic needle-foot-lifting device of Sewing machines, comprise casing, presser foot component, be arranged on the electromagnet in casing, and for connecting the link assembly of presser foot component and electromagnet, link assembly comprises pull bar, for lever after the presser foot lifter Qian Gang pavilion that is connected with presser foot component and the presser foot lifter for being connected with electromagnet, after the front lever of presser foot lifter and presser foot lifter, lever is separately positioned on the two ends of pull bar and is hinged in casing respectively by front axial screw and rear axial screw, after presser foot lifter, the rear end of lever is provided with a roller, electromagnet is provided with the push rod that can move up and down, pavilion, top is arranged on the below of roller.
Presser foot lifting device is built in sewing machine case by above-mentioned patent, there is certain advantage, but in the power on/off process of said structure electromagnet, the iron core of electromagnet produces magnetic force and moves and can produce direct collision, and due to its impulsive force of inertia larger, the vibration abrasion that easy generation is larger, also easily produces larger noise.
Summary of the invention
The purpose of this utility model is the problems referred to above existed for prior art, proposes a kind of sewing device of built-in presser foot lifter electromagnet.Technical problem to be solved in the utility model how to reduce gouging abrasion and the noise of electromagnet core adhesive in built-in presser foot lifter electromagnet sewing device.
The purpose of this utility model realizes by following technical proposal:
A kind of sewing device of built-in presser foot lifter electromagnet, described sewing device comprises housing and presser foot lifter, described presser foot lifter connects on the housing and can vertically move back and forth, it is characterized in that, electromagnet and horizontal pull bar is provided with in described housing, the inner of described pull bar is connected with the iron core of described electromagnet, the outer end of described pull bar is connected with described presser foot lifter and described pull bar can drive the lifting of presser foot lifter, lever one and torsion spring is also provided with in described housing, the middle part of described lever one is hinged on housing by a screw, the outer end of described lever one is resisted against on electromagnet outer surface, the inner of described lever one is connected with the iron core of described electromagnet, described torsion spring set is located on described screw and one end and is resisted against on the outer end of described lever one, the other end is against on the housing.
Its principle is as follows: this sewing device utilizes built-in presser foot lifter electromagnet to complete the lifting of presser foot lifter, after electromagnet energising, the iron core of electromagnet produces adhesive, drive pull bar moves, pull bar drives again presser foot lifter to make it lifting, because the iron core of electromagnet is in the process being energized adhesive and power-off release, has larger inertia and impulsive force, easily larger impact wear is caused to housing or electromagnet itself, and easily produce noise.In housing, lever one and torsion spring is provided with in the technical program, the middle part of lever one is hinged on housing by a screw, lever one can around hinged screw turns, the outer end of lever one is resisted against on electromagnet outer surface, the inner of lever one is connected with the iron core of electromagnet, the rotation of whole lever one can be limited by the torsion of torsion spring, particularly torsion spring set is located on screw, outer end one end of torsion spring being resisted against lever one applies the torsion pressed down to lever one, it is changeless that the other end is resisted against on housing, whole lever one have a rotation that the outer end of lever one is resisted against on electromagnet outer surface trend, the inner of lever one is connected with the iron core of electromagnet, when electromagnet core adhesive is moved, lever one rotation can be driven, the movement of iron core needs the twisting force overcoming torsion spring, a definite limitation can be played to ease up punching effect, thus reduction impulsive force, reduce wearing and tearing and noise, torsion spring can also play reset response by lever a pair iron core simultaneously.
In the sewing device of above-mentioned built-in presser foot lifter electromagnet, between the outer end of described lever one and electromagnet outer surface, be provided with cushion pad one.This cushion pad Main Function in lever one rotation process, can play certain cushioning effect when being close to electromagnet outer surface to the outer end of lever one, reduces to impact, and reduces noise; This cushion pad can be quality of rubber materials or plastic material etc.
In the sewing device of above-mentioned built-in presser foot lifter electromagnet, the iron core of described electromagnet is installed with iron core baffle plate, described iron core baffle plate is provided with the flanging along pull bar axis direction, described flanging offers the bar hole along pull bar axis direction, the outer end of described lever one is installed with stud, and described stud to be plugged in described bar hole and can to move along bar hole length direction.Iron core is installed with iron core baffle plate, position-limiting action can be played to the iron core adhesive of electromagnet, prevent it from moving excessively, also the installation of pull bar and lever one is convenient to, the outer end of lever one is movably connected on iron core baffle plate, the outer end of lever one can be moved along bar hole length direction by stud, and such lever one is connected with certain activity space and scope with iron core baffle plate, plays certain cushioning effect; When the iron core adhesive frequency of electromagnet is higher, the time period of its power on/off, it is very fast that iron core drives pull bar moving direction to change, do not have larger impulsive force, now lever one can be asynchronous with iron core in bar hole, raises the efficiency, and also can reduce non-essential collision.
In the sewing device of above-mentioned built-in presser foot lifter electromagnet, the iron core top of described electromagnet is installed with cushion pad two.The iron core of electromagnet, when power-off discharges, can play certain buffering and buffer action by cushion pad two, prevents iron core and housing from directly clashing into, can protect electromagnet core and housing, noise decrease and wearing and tearing.
In the sewing device of above-mentioned built-in presser foot lifter electromagnet, described housing is vertically plugged with connecting rod, and described presser foot lifter is connected in the bottom of described connecting rod, and the middle part of described connecting rod is installed with block; Be provided with lever two in described housing, the middle part of described lever two is hinged on housing, and the inner and the described pull bar of described lever two are hinged, and the outer end of described lever two is resisted against the downside of described block.Connecting rod drives lever two to rotate around pin joint, and the outer end of lever two upwards promotes certain height, and the outer end of lever two is resisted against the downside of described block, just can support and lifting connecting rod and presser foot lifter rising.
In the sewing device of above-mentioned built-in presser foot lifter electromagnet, described lever one and lever two are bent, and bending angle is 60 °-120 °.Bent lever one and lever two are convenient to install in housing, can save space, realize its function simultaneously.
Compared with prior art, the utility model has the following advantages:
1, be provided with lever one and torsion spring in this sewing device, when electromagnet core adhesive is moved, lever one rotation can be driven, the movement of iron core needs the twisting force overcoming torsion spring, a definite limitation can be played to ease up punching effect, thus reduce impulsive force, reduce wearing and tearing and noise; Torsion spring can also play reset response by lever a pair iron core simultaneously.
2, in this sewing device, the iron core top of electromagnet is installed with cushion pad two, can play certain buffering and buffer action by cushion pad two, prevents iron core and housing from directly clashing into, can protect electromagnet core and housing, noise decrease and wearing and tearing.
Accompanying drawing explanation
Fig. 1 be this sewing device remove housing mounting plate face structural representation.
Fig. 2 is built-in presser foot lifter electromagnet and syndeton schematic diagram thereof in this sewing device.
Fig. 3 is built-in presser foot lifter electromagnet and another visual angle schematic diagram of syndeton thereof in this sewing device.
Fig. 4 is partial enlargement structural representation in Fig. 2.
Fig. 5 is the perspective view of this sewing device.
In figure, 1, housing; 2, presser foot lifter; 3, electromagnet; 4, pull bar; 5, lever one; 6, torsion spring; 7, screw; 8, iron core baffle plate; 9, flanging; 10, bar hole; 11, stud; 12, cushion pad one; 13, cushion pad two; 14, connecting rod; 15, block; 16, lever two.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4 and Fig. 5, this sewing device comprises housing 1 and presser foot lifter 2, presser foot lifter 2 to be connected on housing 1 and can vertically to move back and forth, electromagnet 3 and horizontal pull bar 4 is provided with in housing 1, the inner of pull bar 4 is connected with the iron core of electromagnet 3, the outer end of pull bar 4 is connected with presser foot lifter 2 and pull bar 4 can drive the lifting of presser foot lifter 2, lever 1 and torsion spring 6 is also provided with in housing 1, the middle part of lever 1 is hinged on housing 1 by a screw 7, the outer end of lever 1 is resisted against on electromagnet 3 outer surface, the inner of lever 1 is connected with the iron core of electromagnet 3, torsion spring 6 is set on screw 7 and one end and is resisted against on the outer end of lever 1, the other end is resisted against on housing 1, be provided with cushion pad 1 between the outer end of lever 1 and electromagnet 3 outer surface, the iron core top of electromagnet 3 is installed with cushion pad 2 13.
The iron core of electromagnet 3 is installed with iron core baffle plate 8, iron core baffle plate 8 is provided with the flanging 9 along pull bar 4 axis direction, flanging 9 offers the bar hole 10 along pull bar 4 axis direction, the outer end of lever 1 is installed with stud 11, and stud 11 to be plugged in bar hole 10 and can to move along bar hole 10 length direction; Iron core baffle plate 8 can play position-limiting action to the iron core adhesive of electromagnet 3, prevent it from moving excessively, also the installation of pull bar 4 and lever 1 is convenient to, the outer end of lever 1 is movably connected on iron core baffle plate 8, the outer end of lever 1 can be moved along bar hole 10 length direction by stud 11, there are certain activity space and scope like this, play certain cushioning effect.
As shown in Figure 2, housing 1 is vertically plugged with connecting rod 14, presser foot lifter 2 is connected in the bottom of connecting rod 14, and the middle part of connecting rod 14 is installed with block 15; Be provided with lever 2 16 in housing 1, the middle part of lever 2 16 is hinged on housing 1, and the inner and the pull bar 4 of lever 2 16 are hinged, and the outer end of lever 2 16 is resisted against the downside of block 15.Connecting rod drives lever 2 16 to rotate around pin joint, and the outer end of lever 2 16 upwards promotes certain height, and the outer end of lever 2 16 is resisted against the downside of block 15, just can support also lifting connecting rod 14 and presser foot lifter 2 and rise.
As shown in Figure 2, Figure 3 and Figure 4, lever 1 and lever 2 16 are bent, and bending angle is 90 °.Bent lever 1 and lever 2 16 are convenient to install in housing 1, can save space, realize its function simultaneously.As ordinary circumstance, its bending angle can be the arbitrary value in 60 °-120 °.
This sewing device utilizes built-in presser foot lifter 2 electromagnet 3 to complete the lifting of presser foot lifter 2, after electromagnet 3 is energized, the iron core of electromagnet 3 produces adhesive, pull bar 4 is driven to move, pull bar 4 drives again presser foot lifter 2 to make it lifting, because the iron core of electromagnet 3 is in the process being energized adhesive and power-off release, has larger inertia and impulsive force, easily larger impact wear is caused itself to housing 1 or electromagnet 3, and easily produce noise.In housing 1, lever 1 and torsion spring 6 is provided with in the technical program, the middle part of lever 1 is hinged on housing 1 by a screw 7, lever 1 can rotate around hinged screw 7, the outer end of lever 1 is resisted against on electromagnet 3 outer surface, the inner of lever 1 is connected with the iron core of electromagnet 3, the rotation of whole lever 1 can be limited by the torsion of torsion spring 6, particularly torsion spring 6 is set on screw 7, outer end one end of torsion spring 6 being resisted against lever 1 applies the torsion pressed down to lever 1, it is changeless that the other end is resisted against on housing 1, whole lever 1 have a rotation that the outer end of lever 1 is resisted against on electromagnet 3 outer surface trend, the inner of lever 1 is connected with the iron core of electromagnet 3, when the adhesive of electromagnet 3 iron core is moved, lever 1 can be driven to rotate, the movement of iron core needs the twisting force overcoming torsion spring 6, a definite limitation can be played to ease up punching effect, thus reduction impulsive force, reduce wearing and tearing and noise, torsion spring 6 can also play reset response by lever one 5 pairs of iron cores simultaneously, above-mentioned cushion pad 1 Main Function in lever 1 rotation process, can play certain cushioning effect when being close to electromagnet 3 outer surface to the outer end of lever 1, reduces to impact, and reduces noise, cushion pad 2 13 when the iron core power-off release of electromagnet 3, can play certain buffering and buffer action, prevents iron core and housing 1 from directly clashing into, can protect electromagnet 3 iron core and housing 1, noise decrease and wearing and tearing.Cushion pad 1 and cushion pad 2 13 can be quality of rubber materials or plastic material etc.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ 1 herein, housing; 2, presser foot lifter; 3, electromagnet; 4, pull bar; 5, lever one; 6, torsion spring; 7, screw; 8, iron core baffle plate; 9, flanging; 10, bar hole; 11, stud; 12, cushion pad one; 13, cushion pad two; 14, connecting rod; 15, block; 16, the second-class term of lever, but do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (6)
1. the sewing device of a built-in presser foot lifter electromagnet, described sewing device comprises housing (1) and presser foot lifter (2), described presser foot lifter (2) is connected to described housing (1) and goes up and can vertically move back and forth, it is characterized in that, electromagnet (3) and horizontal pull bar (4) is provided with in described housing (1), the inner of described pull bar (4) is connected with the iron core of described electromagnet (3), the outer end of described pull bar (4) is connected with described presser foot lifter (2) and described pull bar (4) can drive the lifting of presser foot lifter (2), lever one (5) and torsion spring (6) is also provided with in described housing (1), the middle part of described lever one (5) is hinged on housing (1) by a screw (7), the outer end of described lever one (5) is resisted against on electromagnet (3) outer surface, the inner of described lever one (5) is connected with the iron core of described electromagnet (3), described torsion spring (6) is set in that described screw (7) is upper and one end is resisted against on the outer end of described lever one (5), the other end is resisted against on described housing (1).
2. the sewing device of a kind of built-in presser foot lifter electromagnet according to claim 1, it is characterized in that, the iron core of described electromagnet (3) is installed with iron core baffle plate (8), described iron core baffle plate (8) is provided with the flanging (9) along pull bar (4) axis direction, described flanging (9) offers the bar hole (10) along pull bar (4) axis direction, the outer end of described lever one (5) is installed with stud (11), described stud (11) to be plugged in described bar hole (10) and can to move along bar hole (10) length direction.
3. the sewing device of a kind of built-in presser foot lifter electromagnet according to claim 1 and 2, is characterized in that, is provided with cushion pad one (12) between the outer end of described lever one (5) and electromagnet (3) outer surface.
4. the sewing device of a kind of built-in presser foot lifter electromagnet according to claim 1 and 2, is characterized in that, the iron core top of described electromagnet (3) is installed with cushion pad two (13).
5. the sewing device of a kind of built-in presser foot lifter electromagnet according to claim 1, it is characterized in that, described housing (1) is vertically plugged with connecting rod (14), described presser foot lifter (2) is connected in the bottom of described connecting rod (14), and the middle part of described connecting rod (14) is installed with block (15); Lever two (16) is provided with in described housing (1), the middle part of described lever two (16) is hinged on housing (1), the inner and the described pull bar (4) of described lever two (16) are hinged, and the outer end of described lever two (16) is resisted against the downside of described block (15).
6. the sewing device of a kind of built-in presser foot lifter electromagnet according to claim 5, is characterized in that, described lever one (5) and lever two (16) are bent, and bending angle is 60 °-120 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420461037.XU CN204138894U (en) | 2014-08-15 | 2014-08-15 | A kind of sewing device of built-in presser foot lifter electromagnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420461037.XU CN204138894U (en) | 2014-08-15 | 2014-08-15 | A kind of sewing device of built-in presser foot lifter electromagnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204138894U true CN204138894U (en) | 2015-02-04 |
Family
ID=52415592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420461037.XU Expired - Fee Related CN204138894U (en) | 2014-08-15 | 2014-08-15 | A kind of sewing device of built-in presser foot lifter electromagnet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204138894U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105780315A (en) * | 2016-05-16 | 2016-07-20 | 浙江美机缝纫机有限公司 | Sewing machine with pressing foot falling buffering device |
| CN106676766A (en) * | 2016-12-31 | 2017-05-17 | 杰克缝纫机股份有限公司 | Novel presser foot lifting electromagnet structure |
| CN107245813A (en) * | 2017-08-11 | 2017-10-13 | 杰克缝纫机股份有限公司 | A kind of sewing machine |
-
2014
- 2014-08-15 CN CN201420461037.XU patent/CN204138894U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105780315A (en) * | 2016-05-16 | 2016-07-20 | 浙江美机缝纫机有限公司 | Sewing machine with pressing foot falling buffering device |
| CN106676766A (en) * | 2016-12-31 | 2017-05-17 | 杰克缝纫机股份有限公司 | Novel presser foot lifting electromagnet structure |
| CN106676766B (en) * | 2016-12-31 | 2019-04-02 | 杰克缝纫机股份有限公司 | A kind of novel presser foot lifter electromagnet structure |
| CN107245813A (en) * | 2017-08-11 | 2017-10-13 | 杰克缝纫机股份有限公司 | A kind of sewing machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204138894U (en) | A kind of sewing device of built-in presser foot lifter electromagnet | |
| CN204174394U (en) | A kind of automatic needle-foot-lifting mechanism of Sewing machines | |
| CN208842050U (en) | A kind of financial management through accounting voucher bill punching press of finance | |
| CN204000196U (en) | A kind of presser foot lifting device of Sewing machines | |
| CN203593872U (en) | Noise-reduction buffer mechanism for sewing machine backstitch | |
| CN203683876U (en) | Driving structure of built-in presser foot lifting mechanism in sewing machine | |
| CN203947281U (en) | Casing head is established the Sewing machines of foot lifting mechanism | |
| CN209189303U (en) | A kind of computer monitor automatic flushing device | |
| CN203904627U (en) | Safety device suitable for either single-layer cotton kneading machine or multi-layer cotton kneading machine and cotton kneading machine comprising same | |
| CN104073984B (en) | Case head establishes the Sewing machines of foot lifting mechanism | |
| CN204589525U (en) | The double rotating-shuttle quilting machine of a kind of new-type computer | |
| CN104630993B (en) | A kind of foot lifting mechanism of sewing machine | |
| CN105525449B (en) | The head of sewing machine of built-in foot lifting mechanism | |
| CN209699909U (en) | A kind of punching machine that security performance is high | |
| CN103350924B (en) | Novel groove drum machine | |
| CN203513976U (en) | Guide device for press pin in sewing machine | |
| CN209610621U (en) | A kind of fixing type iron coil holder | |
| CN208755484U (en) | A kind of device for spreading of electric mosquito net | |
| CN203890660U (en) | Oil buffering and backstitching electromagnet reversing mechanism | |
| CN205856755U (en) | A kind of Computerized flat knitting machine anti-collision protection device | |
| CN219930450U (en) | Presser foot lifting device | |
| CN201040706Y (en) | TV set lifting driving mechanism | |
| CN204162882U (en) | The drive unit of mechanism for lifting pressre of sewing machine | |
| CN103966780B (en) | Oil buffering backstitches electromagnet reversing device | |
| CN204474928U (en) | Line mechanism is pulled out for computerized pattern car |
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: 20150204 Termination date: 20160815 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |