CN203866531U - Sewing machine rack and sewing machine presser foot lifting device thereof - Google Patents
Sewing machine rack and sewing machine presser foot lifting device thereof Download PDFInfo
- Publication number
- CN203866531U CN203866531U CN201420100933.3U CN201420100933U CN203866531U CN 203866531 U CN203866531 U CN 203866531U CN 201420100933 U CN201420100933 U CN 201420100933U CN 203866531 U CN203866531 U CN 203866531U
- Authority
- CN
- China
- Prior art keywords
- presser foot
- electromagnet
- crank
- frame
- foot lifter
- 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 - Lifetime
Links
- 238000009958 sewing Methods 0.000 title claims abstract description 28
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 claims abstract description 5
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000463 material Substances 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
- 238000005096 rolling process Methods 0.000 description 1
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
The utility model relates to a sewing machine presser foot lifting device which comprises a rack, a presser foot assembly, a presser foot lifting crank, a presser foot lifting connecting rod and a presser foot lifting ejecting rod. The presser foot lifting crank is installed on the rack, and the sewing machine presser foot lifting device further comprises an electromagnet and an electromagnet crank. The electromagnet is installed on the rack, the electromagnet is internally provided with an iron core connected with an electromagnet pull rod, and the two ends of the electromagnet connecting rod are connected with the electromagnet pull rod and the electromagnet crank respectively. A groove is formed in the rack and the electromagnet is arranged inside the groove. Compared with several kinds of presser foot lifting schemes in the current market, the system has the advantages that the structure is simple, the cost is low, attractiveness and compactness effects are achieved, and the positions of presser feet can be adjusted by a user.
Description
Technical field
The utility model relates to a kind of frame and presser foot lifting device for sewing machine thereof of Sewing machines.
Background technology
In prior art, the complicated structure of presser foot lifter, height setting is inaccurate.
Utility model content
Technical problem to be solved in the utility model is that a kind of sewing machine frame simple in structure and presser foot lifting device for sewing machine thereof will be provided.The technical scheme that realizes above-mentioned purpose is as follows:
A sewing machine frame, comprises frame body, and described frame body is divided into crossbeam and vertical beam, and crossbeam and vertical beam inside are hollow structure, it is characterized in that: near presser foot component end, in one end of crossbeam, be provided with groove.
Preferably, the outside of groove is provided with outer cover, and outer cover and frame are connected and fixed.
A kind of presser foot lifting device for sewing machine, comprise frame, presser foot component, presser foot lifter crank, presser foot lifter connecting rod, presser foot lifter push rod, presser foot lifter crank is arranged in frame, the presser foot lifter crank other end connects presser foot lifter connecting rod, the presser foot lifter connecting rod other end connects presser foot lifter push rod, the presser foot lifter push rod other end connects presser foot component, it is characterized in that: also comprise electromagnet, electromagnet crank, electromagnet is arranged in frame, in electromagnet, there is iron core, electromagnet pull bar is installed on iron core, one end of electromagnet pull bar is flexibly connected electromagnet connecting rod, the electromagnet connecting rod other end is flexibly connected electromagnet crank, presser foot lifter crank is arranged in frame, and electromagnet crank is connected with presser foot lifter crank simultaneously.
Preferably, presser foot lifter crank comprises axle one, one end connecting axle two of axle one, the other end activity of axle two cylinder is installed, one end of presser foot lifter crank rides on cylinder, cylinder is used for driving presser foot lifter connecting rod, axle one is through frame, and electromagnet crank is socketed on axle one.
Preferably, described frame comprises frame body, and frame body is divided into crossbeam and vertical beam, and crossbeam and vertical beam inside are hollow structure, near presser foot component end, in one end of crossbeam, is provided with groove, and electromagnet is placed in groove.
Preferably, the outside of groove is provided with outer cover, and outer cover is connected with frame.
Preferably, presser foot lifter crank is arranged on frame inner side, and electromagnet crank is arranged on the outside of frame.
Preferably, on the axle of electromagnet crank, dial is installed, dial is positioned at the outside of frame, and dial is between electromagnet crank and support, dial is socketed on axle one, determines the height of presser foot lifter by regulating magnet crank initial position on dial.
Preferably, also comprise electromagnet fixed mount, electromagnet fixed mount is arranged in the intermediate stand of Sewing machines back, and electromagnet is arranged on electromagnet fixed mount.
Preferably, presser foot component, presser foot lifter crank, presser foot lifter connecting rod, presser foot lifter push rod are all arranged on frame inside.
The method of work of presser foot lifting device for sewing machine, first electromagnet energising, the iron core band motor magnet pull bar of electromagnet pulling back or stretching out back and forth, the Sports band motor magnet connecting rod of electromagnet pull bar is pulling back or stretching out back and forth also, the action band motor magnet crank that electromagnet connecting rod is pulled back is followed the action of electromagnet connecting rod, also be a swing of carrying out back and forth, electromagnet crank-operated drives presser foot lifter crank to swing, presser foot lifter crank-swinging drives its component drum to swing, when presser foot lifter crank moves back and forth, presser foot lifter connecting rod moves by the swing of cylinder, presser foot lifter connecting rod drives presser foot lifter connecting rod afterwards, the action of presser foot lifter push rod, last presser foot lifter push rod gives the support force that presser foot component rises or declines, presser foot lifter moves up and down, complete the work of presser foot lifter.When presser foot component rises, presser foot lifter will lift, during falling, each parts are got back to its original position automatically, position is as shown in Figure 8 the initial position of this electromagnet crank, when electromagnet is got back to initial position, electromagnet crank corresponding numerical value on dial is current presser feet and lifts maximum height.For example during initial position as shown in Figure 8, electromagnet crank position (as numeral 13 places on Fig. 8 dial) on dial is the liftable maximum height of current presser feet.Can be by unclamping electromagnet crank lock-screw (Figure 15 A place is lock-screw lay down location), regulating magnet crank initial position redefines presser feet and lifts maximum height to the left.
System of the present invention relatively at present on the market several presser foot lifter schemes possess simple in structure, the plurality of advantages such as cost is low, attractive in appearance, compact, the adjustable presser feet of user position.Arranging of frame can be hidden in very few jin in frame, and compact conformation is attractive in appearance.
Accompanying drawing explanation
Fig. 1 is the utility model overall schematic
Fig. 2 is the partial enlarged drawing of Fig. 1
Fig. 3 is decomposing schematic representation of the present invention
Fig. 4 is the utility model decomposing schematic representation
Fig. 5 is the partial enlarged drawing of Fig. 4
Fig. 6 is frame schematic diagram
Fig. 7 is the whole back side of the utility model (take cannot see that end of electromagnet be benchmark) schematic diagram
Fig. 8 is the whole front schematic view of the utility model
Fig. 9 is the partial enlarged drawing of Fig. 8
Figure 10 is the schematic diagram that the parts such as electromagnet connecting rod decompose, install
Figure 11 is electromagnet crank partial enlarged drawing of the present invention
Figure 12 is another schematic diagram of the whole back side
Figure 13 is the front schematic view of Figure 12
Figure 14 is the partial enlarged drawing of Figure 13
Figure 15 is lock-screw placement location schematic diagram
Figure number explanation: Decorative shell 1, electromagnet crank 2, presser feet spring 3, presser foot component 4, frame 5, presser foot lifter crank 6, presser foot lifter connecting rod 7, presser foot lifter push rod 8, electromagnet 9, electromagnet pull bar 10, electromagnet connecting rod 11, dial 12, electromagnet fixed mount 13, cylinder 6-1
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In figure, a kind of presser foot lifting device for sewing machine, comprise frame 5, presser foot component 4, presser foot lifter crank 6, presser foot lifter connecting rod 7, presser foot lifter push rod 8, in the present invention, presser foot component 4, presser foot lifter connecting rod 7, presser foot lifter push rod 8, electromagnet crank 2 are all known structure and technology.
Mid frame 5 of the present invention (as shown in Figure 6) adopts unique structure, comprises frame body, and described frame body is divided into crossbeam 5-1 and vertical beam 5-2, crossbeam and vertical beam inside are hollow structure, near presser foot component end, in one end of crossbeam, are provided with groove 5-3, in groove, can place electromagnet, can outer cover be set in the outside of electromagnet, Decorative shell 1 simultaneously, and outer cover is connected in frame, adopt such structure, electromagnet can evagination, handsome in appearance, and saves material.The maximum change of mid frame of the present invention is to be provided with groove, and remaining structure and prior art are identical.
Presser foot lifting device for sewing machine, comprises frame 5, presser foot component 4, presser foot lifter crank 6, presser foot lifter connecting rod 7, presser foot lifter push rod 8.
Presser foot lifter crank 6 is arranged on the madial wall of frame 5 hollow spaces, presser foot lifter crank 6 other ends connect presser foot lifter connecting rod 7, the presser foot lifter connecting rod other end connects presser foot lifter push rod 8, presser foot lifter push rod 8 other ends connect presser foot component 4, electromagnet 9 is placed on the groove 5-3 position of frame, for firm electromagnet, electromagnet fixed mount 13 is set in frame, electromagnet is arranged on electromagnet fixed mount 13, in electromagnet, there is iron core, on iron core, connect electromagnet pull bar 10, movable connection electromagnet pull bar 10 and the electromagnet crank 2 of two ends difference of electromagnet connecting rod 11, presser foot lifter crank 6 is arranged on frame inner side.In the present invention, presser foot lifter crank 6 has also been done to simple an improvement, its improvements for being provided with head roll 6-1 on presser foot lifter crank, be used for driving presser foot lifter connecting rod, the structure of presser foot lifter crank 6 under present description substantially, presser foot lifter crank 6 comprises axle one 6-2, one end connecting axle two 6-3 of axle one 6-2, axle one 6-2 and axle two 6-3 form L shaped structure substantially, also comprise a catch 6-4, catch 6-4 is arranged on the lower end of axle one 6-2, on catch, there is one and protrude 6-5, in the other end activity of axle two 6-3, be connected with cylinder 6-1, cylinder is used for driving presser foot lifter connecting rod, around it, axle center rotation is installed, presser foot lifter connecting rod one end is placed on cylinder, the other end is flexibly connected with presser foot lifter push rod, the cylinder 6-1 that is provided with that the main improvement of presser foot lifter crank is in the other end activity of axle two, remaining structure of presser foot lifter crank does not change, on presser foot lifter connecting rod, have a chute, protrude 6-5 and be placed in chute, protrusion can move along chute, electromagnet connecting rod 11 is roughly a laminated structure or crooked laminated structure, and the two ends of electromagnet connecting rod 11 respectively arrange a connecting hole, by connecting hole, connect respectively electromagnet pull bar and electromagnet crank.
Axle one 6-2 of presser foot lifter crank 6 is through frame, and it is upper that axle one 6-2 is socketed in axle one 6-2 through electromagnet crank 6 after frame, for the height of console presser feet, dial 12 is set between electromagnet crank 6 and frame simultaneously, and dial 12 is also through axle one 6-2.
Electromagnet pull bar 10 in the present invention, electromagnet connecting rod 11 and electromagnet crank 2 form a bar linkage structure, do not limit to and use this bar linkage structure in the present invention.
Concrete implementation: electromagnet energising, drive magnet pull bar laterally retracts, band motor magnet connecting rod, the clockwise hour hands of electromagnet crank rotate, thereby drive the counterclockwise jack-up of presser foot lifter crank, by drum driven presser foot lifter connecting rod on presser foot lifter crank, rotate clockwise, drive presser foot lifter push rod upwards to drive presser foot component rise, presser feet spring-compressed.After presser foot lifter has moved, electromagnet power-off, electromagnet core and electromagnet push rod rollback, by presser feet spring force, presser foot lifter crank, presser foot lifter connecting rod, presser foot lifter push rod, electromagnet crank be return successively; In described solenoid actuated foot lifting mechanism, presser foot lifter height can be by regulating electromagnet crank initial position on dial, position adjustments toward " 0 " shown on dial, reduce electromagnet and pull stroke, realize the individual demand of user to presser feet raising height, make the presser foot lifter requirement for height of the more adaptive different fabrics of machine and technological requirement, improve workman's operating efficiency and reduce technological problems; In described solenoid actuated foot lifting mechanism, electromagnet directly drives presser foot lifter crank by parts such as electromagnet cranks, reduce driving force loss, and design by specific presser foot lifter crank, make its presser foot lifter rotation direction co-occurrence market Sewing machines contrary, can reduce foot lifting mechanism number of parts, reduce power transmission loss; In described solenoid actuated foot lifting mechanism, electromagnet major part is installed on frame inside middle, after whole mechanism is coated by Decorative shell, it is little that the parts such as electromagnet protrude from frame dimensions, compacter than various scenario-frames on existing market, improved Sewing machines space availability ratio, made complete machine compacter, attractive in appearance; In described solenoid actuated foot lifting mechanism, by presser foot lifter crank, head roll being set, general directly slip at present drives and becomes the contact of rolling, and reduces driving force, raising mechanism's life-span; In sum, system of the present invention relatively at present on the market several presser foot lifter schemes possess simple in structure, rationally, low, attractive in appearance, compact, the user's adjustable presser feet work raising height of cost and the plurality of advantages such as presser feet adjustable range is large.
In the present invention, can electromagnet crank initial position be pressed to the adjustment of height and position shown in dial by unclamping the trip bolt on electromagnet crank, thereby set presser foot lifter height.
These are only the preferred embodiment of the utility model embodiment; not in order to limit the utility model embodiment; all within the spirit and principle of the utility model embodiment; any modification of doing, be equal to replacement, improvement etc., all should be included in the protection domain of the utility model embodiment.
Claims (10)
1. a sewing machine frame, comprises frame body, and described frame body is divided into crossbeam and vertical beam, and crossbeam and vertical beam inside are hollow structure, it is characterized in that: near presser foot component end, in one end of crossbeam, be provided with groove.
2. sewing machine frame according to claim 1, is characterized in that: the outside of groove is provided with outer cover, and outer cover and frame are connected and fixed.
3. a presser foot lifting device for sewing machine, comprise frame, presser foot component, presser foot lifter crank, presser foot lifter connecting rod, presser foot lifter push rod, presser foot lifter crank is arranged in frame, the presser foot lifter crank other end connects presser foot lifter connecting rod, the presser foot lifter connecting rod other end connects presser foot lifter push rod, the presser foot lifter push rod other end connects presser foot component, it is characterized in that: also comprise electromagnet, electromagnet crank, electromagnet is arranged in frame, in electromagnet, there is iron core, electromagnet pull bar is installed on iron core, one end of electromagnet pull bar is flexibly connected electromagnet connecting rod, the electromagnet connecting rod other end is flexibly connected electromagnet crank, presser foot lifter crank is arranged in frame, and electromagnet crank is connected with presser foot lifter crank simultaneously.
4. presser foot lifting device for sewing machine according to claim 3, it is characterized in that: presser foot lifter crank comprises axle one, one end connecting axle two of axle one, the other end activity of axle two cylinder is installed, one end of presser foot lifter crank rides on cylinder, cylinder is used for driving presser foot lifter connecting rod, and axle one is through frame, and electromagnet crank is socketed on axle one.
5. presser foot lifting device for sewing machine according to claim 3, is characterized in that: described frame comprises frame body, and frame body is divided into crossbeam and vertical beam, crossbeam and vertical beam inside are hollow structure, near presser foot component end, in one end of crossbeam, be provided with groove, electromagnet is placed in groove.
6. presser foot lifting device for sewing machine according to claim 5, is characterized in that: the outside of groove is provided with outer cover, and outer cover is connected with frame.
7. presser foot lifting device for sewing machine according to claim 4, is characterized in that: presser foot lifter crank is arranged on frame inner side, and electromagnet crank is arranged on the outside of frame.
8. presser foot lifting device for sewing machine according to claim 4, it is characterized in that: on the axle of electromagnet crank, dial is installed, dial is positioned at the outside of frame, and dial is between electromagnet crank and support, dial is socketed on axle one, determines the height of presser foot lifter by regulating magnet crank initial position on dial.
9. presser foot lifting device for sewing machine according to claim 3, is characterized in that: also comprise electromagnet fixed mount, electromagnet is arranged on electromagnet fixed mount.
10. presser foot lifting device for sewing machine according to claim 3, is characterized in that: presser foot component, presser foot lifter crank, presser foot lifter connecting rod, presser foot lifter push rod are all arranged on frame inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420100933.3U CN203866531U (en) | 2014-03-06 | 2014-03-06 | Sewing machine rack and sewing machine presser foot lifting device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420100933.3U CN203866531U (en) | 2014-03-06 | 2014-03-06 | Sewing machine rack and sewing machine presser foot lifting device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203866531U true CN203866531U (en) | 2014-10-08 |
Family
ID=51647502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420100933.3U Expired - Lifetime CN203866531U (en) | 2014-03-06 | 2014-03-06 | Sewing machine rack and sewing machine presser foot lifting device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203866531U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103981651A (en) * | 2014-03-06 | 2014-08-13 | 阮孟定 | Sewing machine frame and sewing machine pressor foot lifting device thereof |
-
2014
- 2014-03-06 CN CN201420100933.3U patent/CN203866531U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103981651A (en) * | 2014-03-06 | 2014-08-13 | 阮孟定 | Sewing machine frame and sewing machine pressor foot lifting device thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105150275B (en) | It is useful in the puncher on cloth, skin material and leather | |
| CN104352315B (en) | It is a kind of with the patient caring bed of auxiliary body turning function | |
| CN107415504A (en) | A kind of fabric weaving printing device | |
| CN203866531U (en) | Sewing machine rack and sewing machine presser foot lifting device thereof | |
| CN103981651A (en) | Sewing machine frame and sewing machine pressor foot lifting device thereof | |
| CN207373951U (en) | A kind of fabric weaving printing device | |
| CN108144995A (en) | A kind of bender and its hydraulic device of efficient stable operation | |
| CN209907363U (en) | Land leveling device for civil engineering construction | |
| CN204138894U (en) | A kind of sewing device of built-in presser foot lifter electromagnet | |
| CN201300076Y (en) | Sieve plate adjusting device for crusher and ring hammer crusher employing same | |
| CN206432857U (en) | Flat type copper wire for armature winding is turned one's head mechanism | |
| CN210530737U (en) | Building encloses fender installation base hole perforating device | |
| CN210169314U (en) | Passive semi-automatic lifting table | |
| CN107817441A (en) | One kind taps test device | |
| CN208812248U (en) | Bind financial affairs receipt puncher | |
| CN208019461U (en) | A kind of efficient continuously punched device of shelf supports beam | |
| CN104709771B (en) | A kind of automatic discharge unit | |
| CN201030172Y (en) | Pedal lifting regulating mechanism of body-building machine | |
| CN207452766U (en) | A kind of municipal administration bridge height limiter | |
| CN105498155A (en) | Adjusting device of sports equipment | |
| CN206341642U (en) | A kind of anti-offset moving nursery bed | |
| CN201164721Y (en) | Pushing-lifting mechanism of automatic mahjong-playing machine | |
| CN205235366U (en) | Mahjong machine elevating system | |
| CN108678741A (en) | A kind of coal mining percussion mechanism | |
| CN110080199A (en) | A kind of ground rammer compacter for building |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220808 Address after: No. 58, Airport South Road, Jiaojiang District, Taizhou City, Zhejiang Province, 318010 Patentee after: ZHEJIANG DUMA SEWING MACHINE Co.,Ltd. Address before: The two district of Jiaojiang XiaChen Street Water Village in Taizhou City, Zhejiang province 318000 Cangtou No. 131 Patentee before: Ruan Mengding |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141008 |