CN206553738U - A kind of sewing machine - Google Patents
A kind of sewing machine Download PDFInfo
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- CN206553738U CN206553738U CN201720256126.4U CN201720256126U CN206553738U CN 206553738 U CN206553738 U CN 206553738U CN 201720256126 U CN201720256126 U CN 201720256126U CN 206553738 U CN206553738 U CN 206553738U
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- axle portion
- sewing machine
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Abstract
The utility model provides a kind of sewing machine, including casing, it is laterally disposed in axle portion one and axle portion two at the top of the chassis cavity, the axle portion two is located at the side of the axle portion one, needle bar mechanism is provided with positioned at the center of axle portion one, synchronous pulley is provided with positioned at the center of axle portion two, the right output port of the axle portion two is connected with handwheel, the right output port of axle portion one is integral type structure with the left port connection of axle portion two.The right output port of axle portion one being laterally disposed at the top of chassis cavity and the left port junction of axle portion two are designed to integral structure by the utility model, compared with prior art, eliminate the structure that the right output port of axle portion one needs shaft coupling to be connected with the left port of axle portion two, reduce manufacturing cost, the purchasing demand of client is enhanced, is more beneficial for extending the selling market of sewing machine.
Description
Technical field
The utility model is related to a kind of sewing device, more particularly to a kind of sewing machine.
Background technology
Sewing machine is to use one or more sewing thread, and one or more stitchings are formed on sewing, one or more layers is stitched
The machine that material interweaves or united by a seam.Fabric and leather, plastics, the paper such as function of sewing sewing cotton, fiber crops, silk, hair, staple fibre
Deng product, the stitching neat appearance stitched out, it is smooth firmly, sewing velocity is fast, easy to use.
As shown in figure 1, the upper nodule structure in existing flat seaming machine transmission mechanism is such：Including bent axle 21, rear axle 22,
Shaft coupling 23, one end of bent axle 21 is connected by shaft coupling 23 with one end of rear axle 22, due to bent axle in the existing structure being somebody's turn to do
21st, rear axle 22 is two independent axles, and each production adds processing cost to two axles alone, and is needed two shaft connection places
Process plane and be used to coordinate with the screw hole of shaft coupling 23 and fix, this add manufacturing procedure, in addition, to bent axle 21, after
The machining accuracy of the requirement of axle 22 is very high, particularly bent axle 21, has shaft shoulder eccentric part 24 in crank 21, it is reported that one song of processing
The processing cost of axle 21 is seven yuan to eight yuan, so adds the cost of manufacture, it is impossible to meet the purchasing demand of client.
Accordingly, it is desirable to provide a kind of inexpensive sewing machine.
Utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of sewing machine, is used for
Solve that flat-seam machine crankshaft of the prior art is connected by shaft coupling with rear axle, bent axle has processing caused by shaft shoulder eccentric part
It is difficult, the problem of cost is high.
To achieve these goals and other related purposes, the utility model provides a kind of sewing machine, including casing, laterally
The axle portion one and axle portion two being placed at the top of the chassis cavity, the axle portion two are located at the side of the axle portion one, positioned at described
The center of axle portion one is provided with needle bar mechanism, and synchronous pulley, the right output port of the axle portion two are provided with positioned at the center of axle portion two
It is connected with handwheel, the right output port of axle portion one is integral type structure with the left port connection of axle portion two.
Further, it is provided with least one mounting groove one at the axle portion Single port of close casing front end.
Preferably, in addition to eccentric wheel, the eccentric wheel includes fixed part, eccentric part one, eccentric part two, the fixed part
Between the eccentric part one and the eccentric part two, the fixed part is integral type structure with eccentric part one, eccentric part two,
The eccentric part one and the eccentric setting of eccentric part two, the fixed part, which prolongs, is radially provided with mounting hole, and the fixed part passes through
Fixture is abutted against with the mounting groove one.
Preferably, the mounting hole is screwed hole, and the fixture is screw one.
Further, the needle bar mechanism includes needle bar crank, is being gone back on one end of the axle portion one of casing front end
Provided with least one mounting groove two, the needle bar crank is fixed on by screw two on the mounting groove two of the axle portion one.
Preferably, in addition to spindle balance block, at least one mounting groove three is additionally provided with the side of the mounting groove one, it is described
Spindle balance block is fixed on the mounting groove three by screw three.
Preferably, in addition to bearing one, the bearing one is connected by bearing holder (housing, cover) one with the axle portion two, the bearing
One is located at the right side of the spindle balance block.
Further, the synchronous pulley is fixed in the axle portion two by least two screws four.
Preferably, in addition to bearing two, the bearing two is located at the right side of the synchronous pulley, and the bearing two passes through axle
Bearing sleeve two is connected with the axle portion two.
Further, the handwheel is fixed in the axle portion two by least one pair of in the screw five of 90 ° of settings.
The drive mechanism and sewing machine of use in sewing machine of the present utility model, have the advantages that：
The utility model sets the right output port of axle portion one being laterally disposed at the top of chassis cavity with the left port junction of axle portion two
Integrated structure is counted, compared with prior art, eliminate the right output port of axle portion one needs shaft coupling to be connected with the left port of axle portion two
Structure, reduce manufacturing cost, enhance the purchasing demand of client, be more beneficial for extend sewing machine selling market.
Brief description of the drawings
Fig. 1 is the existing upper section structural representation of the utility model flat seaming machine.
Fig. 2 is the drive mechanism exploded perspective view of the utility model use in sewing machine.
Fig. 3 is the eccentric wheel schematic diagram of the drive mechanism of the utility model use in sewing machine.
Component label instructions
1st, casing；2nd, axle portion one；3rd, axle portion two；31st, mounting hole；311st, screwed hole；4th, mounting groove one；5th, fixture；51、
Screw one；6th, needle bar crank；7th, mounting groove two；8th, screw two；9th, spindle balance block；10th, mounting groove three；11st, screw three；12nd, axle
Hold one；13rd, synchronous pulley；14th, screw four；15th, bearing two；16th, handwheel；17th, screw five；18th, bearing holder (housing, cover) one；19th, bearing holder (housing, cover)
Two；20th, eccentric wheel；201st, fixed part；202nd, eccentric part one；203rd, eccentric part two；21st, bent axle；22nd, rear axle；23rd, shaft coupling；
24th, shaft shoulder eccentric part.
Embodiment
Embodiment of the present utility model is illustrated by particular specific embodiment below, person skilled in the art scholar can be by this
Content disclosed by specification easily understands other advantages of the present utility model and effect.
Fig. 1 is referred to Fig. 3.It should be clear that structure, ratio, size depicted in the accompanying drawing of this specification etc., is only used for matching somebody with somebody
The content disclosed in specification is closed, is read so that those skilled in the art understands, being not intended to limit the utility model can be real
The qualifications applied, therefore do not have essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size technically
It is whole, in the case where not influenceing the utility model effect that can be generated and the purpose that can be reached, it all should fall and be taken off in the utility model
Within the scope of the technology contents shown are covered.Meanwhile, in this specification it is cited as " on ", " under ", "left", "right", " in
Between " and term such as " one ", also only it is easy to narration to understand, not for limiting the enforceable scope of the utility model, it is relative to close
System is altered or modified, under conditions of technology contents are without material alteration, when being also considered as the enforceable category of the utility model.
Below, it is described with reference to embodiment of the present utility model.Following explanation will use the arrow table in accompanying drawing
The such description in top to bottom, left and right, front and rear shown.Reference picture 1, Fig. 2 illustrate the structure of sewing machine.
As shown in Figure 1 to Figure 3, the utility model provides a kind of sewing machine, including casing 1, is laterally disposed in the casing 1
The axle portion 1 and axle portion 23 of top of chamber, the axle portion 23 are located at the side of the axle portion 1, positioned at the middle part of axle portion 1
Place is provided with needle bar mechanism, and synchronous pulley 13, the right output port and handwheel of the axle portion 23 are provided with positioned at the center of axle portion 23
16 are connected, and the right output port of axle portion 1 is integral type structure with the left port connection of axle portion 23, so in order to more
Good reduction production cost.
In order to preferably install other mechanisms, such as feed tip mechanism on axle, thread ball bar linkage structure is crossed, and for
The existing production cost of bent axle 21 is further reduced, the shaft shoulder eccentric part 24 of bent axle 21 is eliminated, therefore, positioned at close to casing 1
The port of the axle portion 1 of front end is provided with least one mounting groove 1.
In addition, in a kind of sewing machine, realizing that the feed tip cam of eccentric motion individually is merged into one by existing
On eccentric wheel part, specifically as shown in Figure 3, for other mechanism (such as feed tip mechanism, excessively thread ball linkages of sewing machine
Deng), in addition to eccentric wheel 20, the eccentric wheel 20 includes fixed part 201, eccentric part 1, eccentric part 2 203, the fixation
Portion 201 is located between the eccentric part 1 and the eccentric part 2 203, the fixed part 201 and eccentric part 1, bias
Portion 2 203 is integral type structure, the eccentric part 1 and the eccentric setting of eccentric part 2 203, and the fixed part 201 prolongs
Mounting hole 31 is radially provided with, the fixed part 201 is abutted against by fixture 5 with the mounting groove 1.
Specifically, in a kind of sewing machine, in order to which the fixed part 201 of eccentric wheel 20 preferably is installed on into axle portion one
2, therefore, the mounting hole 31 is screwed hole 311, and the fixture 5 is screw 1.
Further, in a kind of sewing machine, in order to drive the motion of sewing machine needle, the needle bar mechanism includes
Needle bar crank 6, at least one mounting groove 27, the shank are being additionally provided with one end of the axle portion 1 of the front end of casing 1
Crank 6 is fixed on by screw 28 on the mounting groove 27 of the axle portion 1.
Specifically, in a kind of sewing machine, in addition to spindle balance block 9, it is additionally provided with the side of the mounting groove 1
At least one mounting groove 3 10, the spindle balance block 9 is fixed on the mounting groove 3 10 by screw 3 11, it is to avoid axle exists
The vibration brought during high-speed motion.
Specifically, in a kind of sewing machine, in addition to bearing 1, the bearing 1 by bearing holder (housing, cover) 1 with
The axle portion 23 is connected, and the bearing 1 is located at the right side of the spindle balance block 9.
Further, in a kind of sewing machine, the synchronous pulley 13 is fixed on by least two screws 4 14
In the axle portion 23, so, it can preferably regulate and control the rotation of axle.
Further, in a kind of sewing machine, in addition to bearing 2 15, the bearing 2 15 is positioned at the timing belt
The right side of wheel 13, the bearing 2 15 is connected by bearing holder (housing, cover) 2 19 with the axle portion 23, so, can realize axle stable
Rotation, it is to avoid there is the phenomenon of interim card in rotation in axle.
Further, in a kind of sewing machine, the handwheel 16 is in 90 ° of screws 5 17 set by least one pair of
It is fixed in the axle portion 23, so, more stable handwheel can be fixed on axle, it is to avoid sewing machine hand in running at high speed
That takes turns drops.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (10)
1. a kind of sewing machine, it is characterised in that：Including casing (1), the axle portion one of the casing (1) inner cavity top is laterally disposed in
(2) and axle portion two (3), the axle portion two (3) is located at the side of the axle portion one (2), is set positioned at described (2) center of axle portion one
There is needle bar mechanism, synchronous pulley (13), the right output port and hand of the axle portion two (3) are provided with positioned at described (3) center of axle portion two
Wheel (16) is connected, and described (2) right output port of axle portion one is integral type structure with (3) left port connection of axle portion two.
2. sewing machine according to claim 1, it is characterised in that：Positioned at the axle portion one (2) close to casing (1) front end
Port is provided with least one mounting groove one (4).
3. sewing machine according to claim 2, it is characterised in that：Also include eccentric wheel (20), eccentric wheel (20) bag
Fixed part (201), eccentric part one (202), eccentric part two (203) are included, the fixed part (201) is located at the eccentric part one
(202) between the eccentric part two (203), the fixed part (201) is one with eccentric part one (202), eccentric part two (203)
Body formula structure, the eccentric part one (202) and described (203) eccentric setting of eccentric part two, the fixed part (201), which is prolonged, radially to be set
There is mounting hole (31), the fixed part (201) is abutted against by fixture (5) with the mounting groove one (4).
4. sewing machine according to claim 3, it is characterised in that：The mounting hole (31) is screwed hole (311), described solid
Part (5) is determined for screw one (51).
5. sewing machine according to claim 1, it is characterised in that：The needle bar mechanism includes needle bar crank (6), close
At least one mounting groove two (7) is additionally provided with the axle portion one (2) one end of casing (1) front end, the needle bar crank (6) passes through
Screw two (8) is fixed on the mounting groove two (7) of the axle portion one (2).
6. sewing machine according to claim 2, it is characterised in that：Also include spindle balance block (9), in the mounting groove one
(4) side is additionally provided with least one mounting groove three (10), and the spindle balance block (9) is fixed on the peace by screw three (11)
On tankage three (10).
7. sewing machine according to claim 6, it is characterised in that：Also include bearing one (12), the bearing one (12) is led to
Cross bearing holder (housing, cover) one (18) with the axle portion two (3) to be connected, the bearing one (12) is located at the right side of the spindle balance block (9).
8. sewing machine according to claim 1, it is characterised in that：The synchronous pulley (13) passes through at least two screws four
(14) it is fixed on the axle portion two (3).
9. sewing machine according to claim 8, it is characterised in that：Also include bearing two (15), described (15) position of bearing two
Right side in the synchronous pulley (13), the bearing two (15) is connected by bearing holder (housing, cover) two (19) with the axle portion two (3).
10. sewing machine according to claim 1, it is characterised in that：The handwheel (16) is by least one pair of in 90 ° of settings
Screw five (17) be fixed on the axle portion two (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720256126.4U CN206553738U (en) | 2017-03-16 | 2017-03-16 | A kind of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720256126.4U CN206553738U (en) | 2017-03-16 | 2017-03-16 | A kind of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206553738U true CN206553738U (en) | 2017-10-13 |
Family
ID=60365393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720256126.4U Active CN206553738U (en) | 2017-03-16 | 2017-03-16 | A kind of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206553738U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112760840A (en) * | 2020-12-25 | 2021-05-07 | 陕西精一工业科技有限公司 | Flat seaming machine vibration and noise reduction device |
-
2017
- 2017-03-16 CN CN201720256126.4U patent/CN206553738U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112760840A (en) * | 2020-12-25 | 2021-05-07 | 陕西精一工业科技有限公司 | Flat seaming machine vibration and noise reduction device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 318010 No. 1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Jack Technology Co.,Ltd. Address before: 318010 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Patentee before: JACK SEWING MACHINE Co.,Ltd. |