CN208009025U - A kind of thread take-up tension lever and its wire picking device - Google Patents
A kind of thread take-up tension lever and its wire picking device Download PDFInfo
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- CN208009025U CN208009025U CN201820104778.0U CN201820104778U CN208009025U CN 208009025 U CN208009025 U CN 208009025U CN 201820104778 U CN201820104778 U CN 201820104778U CN 208009025 U CN208009025 U CN 208009025U
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Abstract
The utility model is related to sewing machine fields, a kind of thread take-up tension lever and its wire picking device are disclosed, including take-up bar body, take-up bar body includes first connecting rod and second connecting rod, first connecting rod is equipped with the first connecting hole for connecting the first crank, second connecting rod is equipped with the second connecting hole for connecting thread take-up crank, and the end of second connecting rod is equipped with the first cable-through hole, the second cable-through hole and third cable-through hole.The utility model is set there are three cable-through hole, increase the selectable take-up lever stroke range of upper thread, the number of take-up lever stroke directly affects take-up amount, the excessively high upper thread of take-up amount is taken out not tight, the too low upper thread of take-up amount easily snaps off, when cable-through hole only has two, take-up lever stroke fixes, its take-up amount also just fixes, the upper thread amount of recycling just fixes, so a more cable-through hole, take-up amount will more selections, sewing machine is easier to debug out suitable sewing effect, so that sewing machine can adapt to sew different types of sewing.
Description
Technical field
The utility model is related to sewing machine field more particularly to a kind of thread take-up tension levers and its wire picking device.
Background technology
Thread take-up tension lever in sewing machine is the key that one of sewing fabric, and the take-up amount of thread take-up tension lever directly affects sewing fabric
Quality, the excessively high upper thread of take-up amount is taken out not tight, and the too low upper thread of take-up amount is easy to break, currently on the market the cable-through hole in thread take-up tension lever
There are two general, optional take-up lever stroke range is small.
Invention content
The utility model for the small disadvantage of thread take-up tension lever take-up lever stroke range in the prior art, provide a kind of thread take-up tension lever and its
Wire picking device.
In order to solve the above-mentioned technical problem, the utility model is addressed by following technical proposals：
A kind of thread take-up tension lever, including take-up bar body, take-up bar body include first connecting rod and second connecting rod, on first connecting rod
Equipped with the first connecting hole for connecting the first crank, second connecting rod is equipped with the second connecting hole for connecting thread take-up crank,
The end of second connecting rod is equipped with the first cable-through hole, the second cable-through hole and third cable-through hole.The utility model is set there are three cable-through hole,
Increase the take-up lever stroke range of upper thread, take-up lever stroke number directly affect take-up amount, the excessively high upper thread of take-up amount take out it is not tight,
The too low upper thread of take-up amount easily snaps off, and when cable-through hole only has two, take-up lever stroke fixes, and take-up amount also just fixes,
The upper thread amount of sewing machine recycling just fixes, so a more cable-through hole, take-up amount will mostly a kind of selection, sewing machine is easier to adjust
Suitable sewing effect is tried out, so that sewing machine can adapt to the demand of sewing variety classes sewing.
Preferably, in the same plane, the center of circle of the first connecting hole is set to the circle center line connecting of the second connecting hole as m,
The circle center line connecting of the center of circle of second connecting hole to the first cable-through hole is a, and the angle between m and a is α, 134 < α < 145, second
The circle center line connecting of the center of circle of connecting hole to the second cable-through hole is b, and the angle between m and b is that β, 134 < β < 145, second are connected
The circle center line connecting of the center of circle in hole to third cable-through hole is c, and the angle between m and c is γ, 134 < γ < 145.The position of cable-through hole
The take-up amount that directly affects is set, the excessively high upper thread pumping of take-up amount is not tight, and the too low upper thread of take-up amount easily snaps off, 134 < α, β, γ <
145 within the scope of this, disclosure satisfy that the take-up amount for ensureing thread take-up tension lever in suitable value range.
Preferably, the circle center distance of the center of circle of the second connecting hole to the first cable-through hole connects for n, 31 < n < 37, second
The circle center distance of the center of circle in hole to the second cable-through hole is p, 31 < p < 37, the circle in the center of circle of the second connecting hole to third cable-through hole
Heart distance is s, 31 < s < 37.The position of cable-through hole directly affects take-up amount, and the excessively high upper thread of take-up amount takes out not tight, take-up amount
Too low upper thread easily snaps off, and 31 < n, p, s < 37 disclosure satisfy that the take-up amount for ensureing thread take-up tension lever suitable within the scope of this
In value range.
Preferably, take-up bar body further includes the first axle sleeve and the second axle sleeve, first connecting rod one end connects with the first axle sleeve
It connects, the first connecting rod other end is connect with the second axle sleeve, and the first connecting hole is located at first axle and puts on, and the second connecting hole is located at the second axis
It puts on.First axle sleeve and the second axle sleeve can carry out precise positioning with the first crank, facilitate installation take-up bar body.
Preferably, take-up bar body further includes third connecting rod, third connecting rod one end is fixedly connected with second connecting rod, third
The connecting rod other end is fixedly connected with the second axle sleeve outer wall, and first connecting rod end face is parallel to second connecting rod end face.Third connecting rod makes
First connecting rod can misplace with second connecting rod it is parallel, facilitate take-up bar body install.
Preferably, being all inlaid with ceramic jacket in the first cable-through hole, the second cable-through hole and third cable-through hole.Ceramic jacket it is resistance to
Mill property is good, extends the usage time of take-up bar body, and upper thread will not be worn or be cut off easily by ceramic jacket.
A kind of wire picking device with thread take-up tension lever further includes that the first crank, line-choosing connecting rod and the second crank, line-choosing connecting rod are worn
It crosses the second connecting hole take-up bar body is installed on the first crank, second crank one end passes through the first connecting hole by thread take-up tension lever sheet
Body is installed on the first crank, and the other end of the second crank is equipped with shank connecting rod.
Preferably, further including guide pad, sliding slot is equipped in guide pad, the end side of shank connecting rod is connected with sliding and exists
The end other end of sliding block in sliding slot, shank connecting rod is connected with shank connecting rod.
The utility model has significant technique effect as a result of above technical scheme：
The utility model is set there are three cable-through hole, increases the selectable take-up lever stroke range of upper thread, take-up lever stroke it is more
Take-up amount is directly affected less, and the excessively high upper thread pumping of take-up amount is not tight, and the too low upper thread of take-up amount is easy to break, when cable-through hole only has two
When a, take-up lever stroke fixes, and take-up amount also just fixes, and the upper thread amount of sewing machine recycling just fixes, so a more mistake
String holes, take-up amount will have more a selection, and sewing machine is easier to debug out suitable sewing effect, so that sewing function
It is enough to adapt to sew different types of sewing.
Description of the drawings
Fig. 1 is the first structure schematic diagram of thread take-up tension lever in the utility model.
Fig. 2 is the second structural schematic diagram of thread take-up tension lever in the utility model.
Fig. 3 is the third structural schematic diagram of thread take-up tension lever in the utility model.
Fig. 4 is the structural schematic diagram of wire picking device in the utility model.
The toponym that each number designation is referred in the figures above is as follows：Wherein, 1-take-up bar body, the 2-the first song
Handle, 3-line-choosing connecting rods, the 4-the second crank, 5-shank connecting rods, 6-guide pads, 7-sliding blocks, 8-shank connecting rods, 11-the
One connecting rod, 12-second connecting rods, the 13-the first connecting hole, the 14-the second connecting hole, the 15-the first cable-through hole, 16-the second cross line
Hole, 17-third cable-through holes, the 18-the first axle sleeve, the 19-the second axle sleeve, 61-sliding slots, 120-third connecting rods.
Specific implementation mode
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
A kind of thread take-up tension lever, as shown in Figs 1-4, including take-up bar body 1, the present embodiment take-up bar body 1 are stainless steel
Take-up bar body 1 made of matter, take-up bar body 1 include first connecting rod 11 and second connecting rod 12, and first connecting rod 11 and second connects
The dislocation of bar 12 links together, and first connecting rod 11 is equipped with the first connecting hole 13 for connecting the first crank, second connecting rod 12
It is equipped with the second connecting hole 14 for connecting thread take-up crank, the end of second connecting rod 12 is equipped with the first cable-through hole 15, the second mistake
String holes 16 and third cable-through hole 17.
In the same plane, the center of circle of the first connecting hole 13 is set to the circle center line connecting of the second connecting hole 14 as m, and second connects
The circle center line connecting for connecing the center of circle to first cable-through hole 15 in hole 14 is a, and the angle between m and a is that α, 134 < α < 145, second connect
The circle center line connecting for connecing the center of circle to second cable-through hole 16 in hole 14 is b, and the angle between m and b is that β, 134 < β < 145, second connect
The circle center line connecting for connecing the center of circle to the third cable-through hole 17 in hole 14 is c, and the angle between m and c is γ, 134 < γ < 145.
The circle center distance of the center of circle of second connecting hole 14 to the first cable-through hole 15 is n, 31 < n < 37, the second connecting hole 14
The circle center distance of the center of circle to the second cable-through hole 16 be p, 31 < p < 37, the center of circle of the second connecting hole 14 to third cable-through hole 17
Circle center distance be s, 31 < s < 37.
The present embodiment α is 140.2 °, n 36.85mm, take-up lever stroke 79.29mm；β is 138.6 °, p 33.44mm,
Take-up lever stroke is 75.22mm；γ is 134.8 °, s 35.92mm, take-up lever stroke 78.58mm.Wire picking device is in running, face
Line is not easily broken, and sewing machine operation is smooth.
Take-up bar body 1 further includes the first axle sleeve 18 and the second axle sleeve 19, and 11 one end of first connecting rod connects with the first axle sleeve 18
It connects, 11 other end of first connecting rod is connect with the second axle sleeve 19, and the first connecting hole 13 is located on the first axle sleeve 18, the second connecting hole 14
It is located on the second axle sleeve 19,11 integral type of the present embodiment the first axle sleeve 18, the second axle sleeve 19 and first connecting rod.
Take-up bar body 1 further includes third connecting rod 120, and 120 one end of third connecting rod is fixedly connected with second connecting rod 12, third
120 other end of connecting rod is fixedly connected with 19 outer wall of the second axle sleeve, and 11 end face of first connecting rod is parallel to 12 end face of second connecting rod, this reality
Apply 12 integral type of a third connecting rod 120, the second axle sleeve 19 and second connecting rod.
It is all inlaid with ceramic jacket in first cable-through hole 15, the second cable-through hole 16 and third cable-through hole 17.
A kind of wire picking device with thread take-up tension lever, further includes the first crank 2, line-choosing connecting rod 3 and the second crank 4, and take-up connects
Take-up bar body 1 is installed on the first crank 2 by bar 3 across the second connecting hole 14, and 4 one end of the second crank passes through the first connecting hole
13 are installed to take-up bar body 1 on first crank 2, and the other end of the second crank 4 is equipped with shank connecting rod 5.The present embodiment
The take-up lever stroke range bigger of wire picking device, the range of take-up amount also bigger.
Further include guide pad 6, sliding slot 61 is equipped in guide pad 6, the end side of shank connecting rod 5 is connected with sliding in sliding slot
The end other end of sliding block 7 in 61, shank connecting rod 5 is connected with shank connecting rod 8.
Embodiment 2
Embodiment 2 and 1 feature of embodiment are essentially identical, the difference is that cable-through hole, which is the first cable-through hole 15 or second, crosses line
Hole 16 either third cable-through hole 17 α or β or γ be 134 when °, when the center of circle of cable-through hole to 14 distance of center circle of the second connecting hole
From for 31mm, take-up lever stroke 72.52mm；When the center of circle of cable-through hole to 14 circle center distance of the second connecting hole is 37mm, take-up row
Journey is 79.97mm；α either β or γ be 145 °, when the center of circle of cable-through hole to 14 circle center distance of the second connecting hole be 31mm, choose
Lineal travel is 71.56mm；When the center of circle of cable-through hole to 14 circle center distance of the second connecting hole is 37mm, take-up lever stroke 78.93mm.
In running, upper thread is not easily broken wire picking device, and sewing machine operation is smooth.
In short, the above is only the preferred embodiment of the present invention, it is all according to present utility model application the scope of the claims institute
The equivalent changes and modifications of work should all belong to the covering scope of the utility model patent.
Claims (8)
1. a kind of thread take-up tension lever, including take-up bar body (1), take-up bar body (1) includes first connecting rod (11) and second connecting rod
(12), first connecting rod (11) is equipped with the first connecting hole (13) for connecting the first crank, and second connecting rod (12), which is equipped with, to be used
In the second connecting hole (14) of connection thread take-up crank, it is characterised in that：The end of second connecting rod (12) is equipped with the first cable-through hole
(15), the second cable-through hole (16) and third cable-through hole (17).
2. a kind of thread take-up tension lever according to claim 1, it is characterised in that：In the same plane, the first connecting hole is set
(13) circle center line connecting of the center of circle to the second connecting hole (14) is m, the center of circle to the first cable-through hole (15) of the second connecting hole (14)
Circle center line connecting be a, the angle between m and a is α, 134 < α < 145, the center of circle of the second connecting hole (14) to the second cable-through hole
(16) circle center line connecting is b, and the angle between m and b is β, 134 < β < 145, the center of circle of the second connecting hole (14) to third mistake
The circle center line connecting of string holes (17) is c, and the angle between m and c is γ, 134 < γ < 145.
3. a kind of thread take-up tension lever according to claim 1 or 2, it is characterised in that：The center of circle of second connecting hole (14) is to first
The circle center distance of cable-through hole (15) is n, 31 < n < 37, the center of circle in the center of circle of the second connecting hole (14) to the second cable-through hole (16)
Distance is p, and the circle center distance of 31 < p < 37, the center of circle to the third cable-through hole (17) of the second connecting hole (14) are s, 31 < s <
37。
4. a kind of thread take-up tension lever according to claim 1, it is characterised in that：Take-up bar body (1) further includes the first axle sleeve
(18) it is connect with the first axle sleeve (18) with the second axle sleeve (19), first connecting rod (11) one end, first connecting rod (11) other end and
Two axle sleeves (19) connect, and the first connecting hole (13) is located on the first axle sleeve (18), and the second connecting hole (14) is located at the second axle sleeve
(19) on.
5. a kind of thread take-up tension lever according to claim 4, it is characterised in that：Take-up bar body (1) further includes third connecting rod
(120), third connecting rod (120) one end is fixedly connected with second connecting rod (12), third connecting rod (120) other end and the second axle sleeve
(19) outer wall is fixedly connected, and first connecting rod (11) end face is parallel to second connecting rod (12) end face.
6. a kind of thread take-up tension lever according to claim 1, it is characterised in that：First cable-through hole (15), the second cable-through hole (16)
With third cable-through hole (17) in be all inlaid with ceramic jacket.
7. a kind of wire picking device with thread take-up tension lever described in claim 1-6 any one, it is characterised in that：It further include the first song
Handle (2), line-choosing connecting rod (3) and the second crank (4), line-choosing connecting rod (3) pass through the second connecting hole (14) to pacify take-up bar body (1)
It is attached on the first crank (2), take-up bar body (1) is installed to first by the second crank (4) one end across the first connecting hole (13)
On crank (2), the other end of the second crank (4) is equipped with shank connecting rod (5).
8. a kind of wire picking device according to claim 7, it is characterised in that：Further include guide pad (6), guide pad (6) is interior
Equipped with sliding slot (61), the end side of shank connecting rod (5) is connected with sliding block (7) of the sliding in sliding slot (61), shank connecting rod (5)
The end other end be connected with shank connecting rod (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820104778.0U CN208009025U (en) | 2018-01-22 | 2018-01-22 | A kind of thread take-up tension lever and its wire picking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820104778.0U CN208009025U (en) | 2018-01-22 | 2018-01-22 | A kind of thread take-up tension lever and its wire picking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208009025U true CN208009025U (en) | 2018-10-26 |
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ID=63884374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820104778.0U Active CN208009025U (en) | 2018-01-22 | 2018-01-22 | A kind of thread take-up tension lever and its wire picking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208009025U (en) |
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2018
- 2018-01-22 CN CN201820104778.0U patent/CN208009025U/en active Active
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