CN206408364U - A kind of mop wheel construction of sewing machine - Google Patents
A kind of mop wheel construction of sewing machine Download PDFInfo
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- CN206408364U CN206408364U CN201720065919.8U CN201720065919U CN206408364U CN 206408364 U CN206408364 U CN 206408364U CN 201720065919 U CN201720065919 U CN 201720065919U CN 206408364 U CN206408364 U CN 206408364U
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- cloth
- sewing machine
- rotary shaft
- depression bar
- rotation lock
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Abstract
The utility model belongs to sewing machine accessory technical field, refers in particular to a kind of mop wheel construction of sewing machine.Depression bar lowering or hoisting gear, depression bar lowering or hoisting gear lower end are provided with the head of sewing machine cloth-dragging wheel mounting bracket is installed, unilateral bearing is installed on the cloth-dragging wheel mounting bracket, rotary shaft is installed, unilateral bearing allows rotary shaft to rotate clockwise, clamping counterclockwise in unilateral bearing；Described rotary shaft one end is detachably provided with cloth-dragging wheel；The rotary shaft other end is protruding and is connected with rotation lock component；The side of the rotation lock component is hinged with swing connecting bar component.Cloth-dragging wheel of the present utility model is removably mounted in rotary shaft, cloth-dragging wheel that can be according to needed for being changed the actual cloth sewed, and screw need to be only turned on during replacing and directly changes cloth-dragging wheel, is easily installed, applied widely.
Description
Technical field
The utility model belongs to sewing machine accessory technical field, refers in particular to a kind of mop wheel construction of sewing machine.
Background technology
In weaving, clothes production enterprise, sewing machine is through commonly used cloth process equipment.In cloth sewing process
In, especially sew larger cloth when, the cloth length after being exported through sewing machine is longer, easily causes sewing machine table cloth
Accumulation, takes sewing machine table, influences the operating space of operating personnel；Meanwhile, in sewing process, it is necessary to operating personnel not
Cloth on sewing machine worktable will be exported with stopping and carry out artificial dispatch, larger time and energy can be wasted.
Sewing machine be when working by presser feet below tooth and presser feet coordinate to realize work feed, current this work feed side
There is the phenomenon easily skidded in formula, it is inconsistent to be easily caused the stitch of sewing out, aesthetics is influenceed, for some special fabrics
Then there is the problem of work feed is because of difficulty, in addition can not normal work, mach speed of sewing can be influenceed, operating efficiency is reduced.
Chinese invention patent application number：2014105938009 disclose a kind of sewing machine cloth-dragging wheel apparatus, after presser feet
Side is provided with two groups of mop gears, and mop gear is socketed in single direction ratchet, and single direction ratchet passes through linkage and sewing machine head
Interior main shaft couples, and realization works asynchronously with presser feet and stitch, although the problem of invention can efficiently solve mop, but
It is due to that it is provided with two groups of mop gears, structure is more complicated, needs to keep two gears to carry out simultaneously in the course of the work
Rotation, easily causes error, and gear can not be changed arbitrarily, in the cloth that progress sewing different materials are made, does not allow
Frictional force between gear and cloth easy to control, easily occurs to skid or block when cloth is moved.
The content of the invention
The purpose of this utility model is to provide a kind of simple in construction, can carry out changing the sewing of cloth-dragging wheel according to the actual requirements
The mop wheel construction of machine.
What the purpose of this utility model was realized in：
A kind of mop wheel construction of sewing machine, is provided with depression bar lowering or hoisting gear, depression bar lifting dress on the head of sewing machine
Put lower end and be provided with cloth-dragging wheel mounting bracket, the cloth-dragging wheel mounting bracket to be provided with unilateral bearing, unilateral bearing to be provided with and turn
Moving axis, unilateral bearing allows rotary shaft to rotate clockwise, clamping counterclockwise；Described rotary shaft one end is detachably provided with mop
Wheel；The rotary shaft other end is protruding and is connected with rotation lock component；The side of the rotation lock component is hinged with swing
Link assembly；When the swing connecting bar component is swung up, swing connecting bar component drives the latch assembly to rotate clockwise, and turns
Dynamic latch assembly locks the rotary shaft；When the swing connecting bar component is to lower swing, swing connecting bar component drives the locking
Component is rotated counterclockwise, and rotation lock component unclamps the rotary shaft.
Preferably, the rotation lock component includes single direction ratchet or unilateral bearing.
Preferably, the cloth-dragging wheel is connected by screw on the outer end of the rotary shaft and entered under the drive of rotary shaft
Row one-directional rotation.
Preferably, the rotation lock component includes wheel cover, be provided with rotation lock piece, rotation lock piece in wheel cover into
Type, which has to offer in several boss, boss side surfaces, is provided with spring one in through hole, through hole, boss side surfaces are also equipped with roller.
Preferably, the swing connecting bar component includes swinging axle, upper connecting rod, long connecting rod and lower link, and swinging axle is arranged on
On the head of sewing machine, long connecting rod upper end is arranged on swinging axle by upper connecting rod, and long connecting rod lower end is connected with by lower link
The rotation lock component.
Preferably, the long connecting rod includes upper connecting pole, lower connecting pole and pull bar, the pull bar upper and lower ends company of forming respectively
Socket part, connecting portion is provided with external screw thread, upper connecting pole and lower connecting pole and offers connecting hole and lower connecting hole, and pull bar passes through
Nut is adjustable to be connected between connecting pole and lower connecting pole.
Preferably, the depression bar lowering or hoisting gear includes depression bar and lifting assembly, and depression bar upper end is connected on lifting assembly, presses
Bar lower end is connected on the unilateral bearing by the cloth-dragging wheel mounting bracket, and cloth-dragging wheel drops to cloth under the drive of depression bar
Lift above or from cloth.
Preferably, the lifting assembly includes spring two and depression bar guide pin bushing, and depression bar guide pin bushing is set in the outer weekly form of the depression bar
On face, depression bar upper end is connected on the head of sewing machine by connecting rod, and the spring two is set in connecting rod periphery.
Preferably, connecting hole one and connecting hole two are offered on the cloth-dragging wheel mounting bracket, connecting hole one is connected to described
Depression bar lower end, connecting hole two is connected to the unilateral bearing periphery.
The utility model is prominent and beneficial compared with prior art to be had the technical effect that：
1st, cloth-dragging wheel of the present utility model is removably mounted in rotary shaft, can be carried out according to the actual cloth sewed
Cloth-dragging wheel needed for changing, cloth-dragging wheel can be the gear structure that shaggy structure or surface distributed have the gear teeth,
Convenient correspondence different materials be made or different-thickness cloth dragging, the scope of application is wider, while when cloth-dragging wheel makes for a long time
With and when causing abrasion, it is not necessary to whole mop wheel construction is all taken apart, only need to turn on screw and directly change cloth-dragging wheel, just
In installation.
2nd, the utility model is provided with unilateral bearing, unilateral bearing on cloth-dragging wheel mounting bracket and is provided with rotary shaft, single
Rotary shaft is allowed to rotate clockwise to bearing, clamping counterclockwise；Rotary shaft one end is detachably provided with cloth-dragging wheel；Rotary shaft is another
End is protruding and is connected with rotation lock component；The side of the rotation lock component is hinged with swing connecting bar component；Work as pendulum
When dynamic link assembly is swung up, swing connecting bar component drives the latch assembly to rotate clockwise, the locking of rotation lock component
The rotary shaft；When the swing connecting bar component is to lower swing, swing connecting bar component drives the latch assembly to rotate counterclockwise,
Such structure has high capacity, the stop feature of quick response, ensure that the service life of rotation lock component.
3rd, mop wheel construction overall structure of the present utility model is simple, easy for installation, by modern technologies and equipment, manufacture
The high required precision of comparison can be reached with the utility model product is installed, and the cost of parts used is relatively low, the scope of application
Extensively.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the cross-sectional view of rotation lock component of the present utility model.
Fig. 3 is Structure explosion diagram of the present utility model.
Fig. 4 is the internal structure schematic diagram of the utility model single direction ratchet.
Fig. 5 is the structural representation of the utility model swing connecting bar component.
In figure：1- heads；21- cloth-dragging wheel mounting brackets；211- connecting holes one；212- connecting holes two；22- depression bars；23- springs
Two；24- depression bar guide pin bushings；25- connecting rods；31- unilateral bearings；32- rotary shafts；33- wheel covers；34- rotation lock pieces；341- is convex
Platform；342- through holes one；35- springs one；36- rollers；37- single direction ratchets；4- cloth-dragging wheels；51- swinging axles；52- upper connecting rods；53-
Long connecting rod；54- lower links；541- through holes three；The upper connecting poles of 55-；Connecting pole under 56-；Connecting hole under 561-；57- pull bars；571-
Connecting portion；6- nuts；7- screws；8- bolts.
Embodiment
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings, referring to Fig. 1-Fig. 5,
As shown in figure 1, a kind of mop wheel construction of sewing machine, be provided with the head 1 of sewing machine depression bar lowering or hoisting gear,
Depression bar lowering or hoisting gear lower end is provided with cloth-dragging wheel mounting bracket 21, the cloth-dragging wheel mounting bracket 21 and is provided with unilateral bearing 31, single
Rotary shaft 32 is installed into bearing 31, unilateral bearing 31 allows rotary shaft 32 to rotate clockwise, clamping counterclockwise；It is described to rotate
The outer end of axle 32 has been connected by screw cloth-dragging wheel 4, and cloth-dragging wheel 4 carries out one-directional rotation, cloth-dragging wheel 4 under the drive of rotary shaft 32
It can be required change according to actual cloth to adapt to the cloth-dragging wheel 4 that material is made, removed and installed conveniently, the scope of application is wider.
The other end of rotary shaft 32 is protruding and is connected with rotation lock component；The side of the rotation lock component
It is hinged with swing connecting bar component；When the swing connecting bar component is swung up, swing connecting bar component drives the latch assembly suitable
Hour hands are rotated, and rotation lock component locks the rotary shaft 32；When the swing connecting bar component is to lower swing, swing connecting bar component
The latch assembly is driven to rotate counterclockwise, rotation lock component unclamps the rotary shaft 32.
It is the concrete structure of above-described embodiment below：
1st, swing connecting bar component：
The swing connecting bar component includes swinging axle 51, upper connecting rod 52, long connecting rod 53 and lower link 54, and swinging axle 51 is installed
On the head 1 of sewing machine, the upper end of long connecting rod 53 is arranged on swinging axle 51 by upper connecting rod 52, and the lower end of long connecting rod 53 is connected to
On lower link 54, the drive device that driving swinging axle 51 is rotated is installed, when swinging axle 51 rotates on the head 1 of sewing machine
Upper connecting rod 52 is driven to swing up and down, upper connecting rod 52 drives long connecting rod 53 and lower link 54 to be swung, so as to drive rotation
Latch assembly is rotated.
The long connecting rod 53 includes upper connecting pole 55, lower connecting pole 56 and pull bar 57, and the upper upper end of connecting pole 55 passes through bolt
It is connected in the upper connecting rod 52, lower connecting pole 56 is connected on the lower link 54 by bolt 8, the upper and lower ends point of pull bar 57
Connecting portion 571 is not formed, and connecting portion 571 is provided with external screw thread, upper connecting pole 55 and lower connecting pole 56 and offered respectively
Connecting hole and lower connecting hole 561, the upper end of pull bar 57 are arranged in upper connecting hole, and the lower end of pull bar 57 is arranged on lower connecting hole
In 5611, and can be by nut 6 come the height of adjusting yoke 57.
2nd, rotation lock component：
Rotation lock component includes single direction ratchet 32, and single direction ratchet 32 includes being provided with rotation lock in wheel cover 33, wheel cover 33
Tight piece 34, the inside of rotation lock piece 34, which is run through to have, forms three boss 341 on the rotary shaft 32, rotation lock piece 34, often
The individual upper surface of boss 341 offers and offers three through holes 3 541 on a through hole 1, the lower link 54 of swing connecting bar, leads to
Lower link 52 and rotation lock piece 34 are linked together by screw or bolt between hole 3 541 and through hole 1；Boss
Offered on 341 sides and spring 1 is installed in through hole two, through hole two, the side of boss 341 is also equipped with roller 36, spring one
35 the inners are fixedly mounted in through hole two, and the outer end of spring 1 is against on roller 36.
When swing connecting bar component drives rotation lock piece 34 to rotate clockwise, roller 36 is moved to through hole two counterclockwise,
Spring 1 is in compressive state, and rotation lock piece 34 will rotate shaft locking in the presence of spring 1 and roller 36；Work as swing
When link assembly drive rotation lock piece 34 is rotated counterclockwise, roller 36 is moved to through hole two counterclockwise, and spring 1 is in compression
State, rotation lock piece 34 will drive rotary shaft 32 to be rotated clockwise in the presence of spring 1 and roller 36, rotate
Axle 32 drives cloth-dragging wheel 4 to be rotated clockwise, so that the purpose of the one-directional rotation of cloth-dragging wheel 4 is reached, the knot of rotation lock piece 34
Structure can make rotation lock component reach high capacity, the stop feature of quick response, extend the service life of mechanism.
3rd, depression bar lowering or hoisting gear：
The depression bar lowering or hoisting gear includes depression bar 22 and lifting assembly, and the upper end of depression bar 22 is connected on lifting assembly, depression bar
22 lower ends are connected on the unilateral bearing 31 by the cloth-dragging wheel mounting bracket 21；The lifting assembly includes the He of spring 2 23
Depression bar guide pin bushing 24, depression bar guide pin bushing 24 is set on the outer surface of depression bar 22, and nuts and bolt is passed through on the head 1 of sewing machine
Connecting rod 25 is fixedly connected with, connecting rod lower end is connected to the upper end of depression bar 22, and the spring 2 23 is set in outside connecting rod 25
Connecting hole 1 and connecting hole 2 212 are offered on week, the cloth-dragging wheel mounting bracket 21, connecting hole 1 is connected to the pressure
The lower end of bar 22, connecting hole 2 212 is connected to the periphery of unilateral bearing 31.The elastic force of spring 2 23 is led by depression bar 22 and depression bar
Set 24 is delivered on cloth-dragging wheel mounting bracket 21, and cloth-dragging wheel 4 is dropped on cloth under the drive of cloth-dragging wheel mounting bracket 21, and is being turned
Turn clockwise dragging cloth under the driving of moving axis 23.
General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (9)
1. a kind of mop wheel construction of sewing machine, is provided with depression bar lowering or hoisting gear, depression bar lifting dress on the head (1) of sewing machine
Put lower end and cloth-dragging wheel mounting bracket (21) be installed, it is characterised in that：Unilateral bearing is installed on the cloth-dragging wheel mounting bracket (21)
(31) rotary shaft (32), is installed, unilateral bearing (31) allows rotary shaft (32) to rotate clockwise in unilateral bearing (31), the inverse time
Pin clamping；Described rotary shaft (32) one end is detachably provided with cloth-dragging wheel (4)；Rotary shaft (32) other end is protruding and connects
There is rotation lock component；The side of the rotation lock component is hinged with swing connecting bar component；The swing connecting bar component is upward
During swing, swing connecting bar component drives the latch assembly to rotate clockwise, and rotation lock component locks the rotary shaft (32)；
When the swing connecting bar component is to lower swing, swing connecting bar component drives the latch assembly to rotate counterclockwise, rotation lock group
Part unclamps the rotary shaft (32).
2. a kind of mop wheel construction of sewing machine according to claim 1, it is characterised in that：The rotation lock component bag
Include single direction ratchet (37) or unilateral bearing (31).
3. a kind of mop wheel construction of sewing machine according to claim 1, it is characterised in that：The cloth-dragging wheel (4) passes through
Screw (7) is connected on the outer end of the rotary shaft (32) and one-directional rotation is carried out under the drive of rotary shaft (32).
4. a kind of mop wheel construction of sewing machine according to claim 1, it is characterised in that：The rotation lock component bag
Include in wheel cover (33), wheel cover (33) and be provided with rotation lock piece (34), rotation lock piece forms several boss on (34)
(341), offered on boss (341) side and spring one (35) is installed in through hole, through hole, boss (341) is also equipped with sideways
Roller (36).
5. a kind of mop wheel construction of sewing machine according to claim 1 or 4, it is characterised in that：The swing connecting bar group
Part includes swinging axle (51), upper connecting rod (52), long connecting rod (53) and lower link (54), and swinging axle (51) is arranged on the machine of sewing machine
On head (1), long connecting rod (53) upper end is arranged on swinging axle (51) by upper connecting rod (52), and long connecting rod (53) lower end passes through lower company
Bar (54) is connected with the rotation lock component.
6. a kind of mop wheel construction of sewing machine according to claim 5, it is characterised in that：The long connecting rod (53) includes
Upper connecting pole (55), lower connecting pole (56) and pull bar (57), pull bar (57) upper and lower ends form connecting portion (571) respectively, even
Socket part (571) is provided with external screw thread, and pull bar (57) is connected to upper connecting pole (55) and lower connecting pole by the way that nut (6) is adjustable
(56) between.
7. a kind of mop wheel construction of sewing machine according to claim 1, it is characterised in that：The depression bar lowering or hoisting gear bag
Depression bar (22) and lifting assembly are included, depression bar (22) upper end is connected on lifting assembly, and depression bar (22) lower end passes through the cloth-dragging wheel
Mounting bracket (21) is connected on the unilateral bearing (31), cloth-dragging wheel (4) dropped under the drive of depression bar (22) on cloth or
Lift from cloth.
8. a kind of mop wheel construction of sewing machine according to claim 7, it is characterised in that：The lifting assembly includes bullet
Spring two (23) and depression bar guide pin bushing (24), depression bar guide pin bushing (24) are set on the depression bar (22) outer surface, depression bar (22) upper end
It is connected to by connecting rod (25) on the head of sewing machine (1), the spring two (23) is set in connecting rod (25) periphery.
9. a kind of mop wheel construction of sewing machine according to claim 1 or 7, it is characterised in that：The cloth-dragging wheel is installed
Connecting hole one (211) and connecting hole two (212) are offered on frame (21), connecting hole one (211) is connected under the depression bar (22)
End, connecting hole two (212) is connected to the unilateral bearing (31) periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720065919.8U CN206408364U (en) | 2017-01-19 | 2017-01-19 | A kind of mop wheel construction of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720065919.8U CN206408364U (en) | 2017-01-19 | 2017-01-19 | A kind of mop wheel construction of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206408364U true CN206408364U (en) | 2017-08-15 |
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ID=59555519
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720065919.8U Active CN206408364U (en) | 2017-01-19 | 2017-01-19 | A kind of mop wheel construction of sewing machine |
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| Country | Link |
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| CN (1) | CN206408364U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113062052A (en) * | 2021-03-23 | 2021-07-02 | 拓卡奔马机电科技有限公司 | Mop wheel driving mechanism |
-
2017
- 2017-01-19 CN CN201720065919.8U patent/CN206408364U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113062052A (en) * | 2021-03-23 | 2021-07-02 | 拓卡奔马机电科技有限公司 | Mop wheel driving mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200723 Address after: 318000 No. 58, Jiaojiang Airport South Road, Taizhou City, Zhejiang Province (Zhejiang Duma sewing machine Co., Ltd.) Patentee after: ZHEJIANG DUMA SEWING MACHINE Co.,Ltd. Address before: 318000, room 1, unit 2, 402 Hui Qu community, Jiaojiang District, Zhejiang, Taizhou Patentee before: Ruan Chenhang |