CN208980901U - A kind of thread ran of sewing machine anti-oil leakage mechanism - Google Patents
A kind of thread ran of sewing machine anti-oil leakage mechanism Download PDFInfo
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- CN208980901U CN208980901U CN201821740128.1U CN201821740128U CN208980901U CN 208980901 U CN208980901 U CN 208980901U CN 201821740128 U CN201821740128 U CN 201821740128U CN 208980901 U CN208980901 U CN 208980901U
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Abstract
The utility model provides a kind of thread ran of sewing machine anti-oil leakage mechanism, belongs to technical field of sewing equipment.It solves the problems, such as that existing thread take-up tension lever is easy oil leak.This thread ran of sewing machine anti-oil leakage mechanism includes thread take-up tension lever, cross line plate and the casing with inner cavity, mounting hole is provided on internal side of shell wall, mounting groove is provided on lateral wall, mounting hole and mounting groove are disposed adjacent and are interconnected, mounting hole and mounting groove adjacent are formed with step surface, bearing is installed on mounting hole, thread take-up tension lever one end is stretched out outside shell after sequentially passing through bearing and mounting groove, mounting groove is equipped with oil-sealing sleeve, one end of oil-sealing sleeve is set on thread take-up tension lever by first fixed structure fixation, the other end is fixed on step surface by the second fixed structure, when the thread take-up tension lever rotates certain swing angle a, oil-sealing sleeve is with the corresponding amplitude of take-up rod twisting.This anti-oil leakage mechanism has the advantages that good oil seal, fuel-economizing and structure are simple.
Description
Technical field
The utility model belongs to technical field of sewing equipment, is related to a kind of thread ran of sewing machine anti-oil leakage mechanism.
Background technique
Existing Yarn taking-up mechanism generally comprises thread take-up tension lever, crosses line plate and drives the transmission mechanism of thread take-up tension lever rotation.As disclosed in
Notification number is 207276924U, and a kind of entitled Chinese patent of use in sewing machine thread take-up tension lever, which disclose a kind of sewing machines
With thread take-up tension lever, including cylinder-shaped link, it is fixed with pouring orifice at the top of the cylinder-shaped link, and on the pouring orifice
Equipped with sealing block, and the sealing block bottom is equipped with the screw thread convex block matched with the pouring orifice, sets at the top of the sealing block
There is stubborn bar, the bottom of the cylinder-shaped link is fixed with slide bar, and the cylinder-shaped link side is fixed with connecting rod,
Described connecting rod one end is fixed with cable-through hole boss, and the cable-through hole boss is equipped with threading hole, by being equipped with sealing block, energy
It is enough effectively to prevent the pouring orifice on thread take-up tension lever from entering dust, influence using.In order to make thread take-up tension lever be not easy to be worn in rotation,
Injection lubricating oil is lubricated thread take-up tension lever, but there is also problems: since thread take-up tension lever is more demanding to oil-leakage-prevention, actually making
Oil leakage phenomenon would tend to occur in.
Summary of the invention
Purpose of the utility model is to solve above-mentioned technical problems, propose a kind of thread ran of sewing machine leakproof oil machine
Structure.
The purpose of this utility model can be realized by the following technical scheme: a kind of thread ran of sewing machine anti-oil leakage mechanism,
Including thread take-up tension lever, cross line plate and with the casing of inner cavity, it is characterised in that: be provided with mounting hole on the internal side of shell wall, outside
Mounting groove is provided on side wall, the mounting hole and mounting groove are disposed adjacent and are interconnected, mounting hole and mounting groove adjacent shape
At there is step surface, bearing is installed on mounting hole, thread take-up tension lever one end is stretched out outside shell after sequentially passing through above-mentioned bearing and mounting groove,
The mounting groove is equipped with oil-sealing sleeve, and one end of the oil-sealing sleeve is set on thread take-up tension lever by first fixed structure fixation, separately
One end is fixed on above-mentioned step surface by the second fixed structure, when the thread take-up tension lever rotates certain swing angle a, institute
Oil-sealing sleeve is stated with the corresponding amplitude of take-up rod twisting.
In a kind of above-mentioned thread ran of sewing machine anti-oil leakage mechanism, the axial line of the step surface and thread take-up tension lever is mutual
Vertically.
In a kind of above-mentioned thread ran of sewing machine anti-oil leakage mechanism, the swing angle a is 15-25 °.
In a kind of above-mentioned thread ran of sewing machine anti-oil leakage mechanism, the oil-sealing sleeve, thread take-up tension lever, bearing and step surface
Between be formed with cavity, oil return hole is also provided on the casing, the oil return hole is connected to the inner cavity of above-mentioned cavity and casing,
There is gap, the inner cavity of the gap connection casing and above-mentioned cavity between the bearing and thread take-up tension lever.
In a kind of above-mentioned thread ran of sewing machine anti-oil leakage mechanism, annular groove is offered on the thread take-up tension lever, on
The one end for stating oil-sealing sleeve is set on annular groove by first fixed structure fixation.
In a kind of above-mentioned thread ran of sewing machine anti-oil leakage mechanism, the first fixed structure is band, the bundle
One end of oil-sealing sleeve is fixed in above-mentioned annular groove by band.
In a kind of above-mentioned thread ran of sewing machine anti-oil leakage mechanism, second fixed structure is annular pressing sleeve, institute
It states annular pressing sleeve one end the other end compression of above-mentioned oil-sealing sleeve is connected on above-mentioned step surface, the other end crosses line plate pressure by above-mentioned
Tight limit, the line plate of crossing are fixedly mounted on casing lateral wall by screw.
In a kind of above-mentioned thread ran of sewing machine anti-oil leakage mechanism, the oil-sealing sleeve is by with favorable elasticity material system
It forms, it is deformable.Oil-sealing sleeve is made by rubber material.
Compared with prior art, this anti-oil leakage mechanism has the advantages that following several:
1, its oil-sealing sleeve has elasticity well, can be with take-up rod twisting in thread take-up tension lever rotation, i.e. oil-sealing sleeve
Relative motion will not be generated between the other end and thread take-up tension lever, the mill generated so as to avoid relative motion to thread take-up tension lever and oil-sealing sleeve
Damage prevents oil leak, to improve oil seal；
2, oil return pore structure makes lubricating oil form a circuit, and lubricating oil enters bearing and thread take-up tension lever from housing cavity
Between gap bearing and thread take-up tension lever are lubricated, it is extra enter by oil-sealing sleeve, thread take-up tension lever, bearing and step surface it
Between be formed in cavity after flowed back into housing cavity from oil return hole, oil return recycling is carried out to lubricating oil, saves lubricating oil
And to lubricating efficiency height；
3, each part such as oil-sealing sleeve, band and annular pressing sleeve is conventional hardware, and structure is simple, easily fabricated, and is stablized
Property is good.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that this anti-oil leakage mechanism is mounted on casing.
Fig. 2 is the cross-sectional view of this anti-oil leakage mechanism.
Fig. 3 is the enlarged drawing of A in Fig. 2.
In figure, 1, casing；11, inner cavity；12, mounting hole；13, mounting groove；14, step surface；15, oil return hole；2, line plate is crossed；
3, thread take-up tension lever；31, annular groove；4, bearing；5, oil-sealing sleeve；6, band；7, annular pressing sleeve；8, cavity.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1,2 and 3, this thread ran of sewing machine anti-oil leakage mechanism includes thread take-up tension lever 33, crosses line plate 2 and have interior
The casing 1 of chamber 11 is crossed line plate 2 and is located at outside 1 lateral wall of casing.It is provided with mounting hole 12 on 1 inner sidewall of casing, peace is provided on lateral wall
Tankage 13,12 cross section of mounting hole are circle, and the cross section of mounting groove 13 is also circle, and the bore of mounting groove 13 is greater than mounting hole
12 bore, and the centre bore of the center line of mounting hole 12 and mounting groove 13 is overlapped with the axial line of thread take-up tension lever 3.12 He of mounting hole
Mounting groove 13 is disposed adjacent and is interconnected, and mounting hole 12 and 13 adjacent of mounting groove are formed with step surface 14, i.e. mounting groove 13
Slot bottom among be mounting hole 12 one end port, and be conducting, step surface 14 be 13 slot bottom of mounting groove a part, and
Step surface 14 and the axial line of thread take-up tension lever 3 are mutually perpendicular to.Bearing 4 is installed on mounting hole 12,3 one end of thread take-up tension lever sequentially passes through
It being stretched out outside shell after stating bearing 4 and mounting groove 13, thread take-up tension lever 3 can be rotated relative to bearing 4, and have gap between bearing 4,
In use, flowing into gap has lubricating oil to be lubricated to bearing 4 and thread take-up tension lever 3, prevent between thread take-up tension lever 3 and bearing 4
Abrasion.
Annular groove 31 is offered on thread take-up tension lever 3, mounting groove 13 is equipped with oil-sealing sleeve 5, and equal 45 degree of the both ends of oil-sealing sleeve 5 are curved
Folding is formed with connecting pin, and two connecting pins are mutually perpendicular to, and wherein one end connecting pin is embedded in the annular groove 31 of thread take-up tension lever 3, and
It is fixed in annular groove 31 by band 6；Other end connecting pin is fixed on above-mentioned step surface 14 by the second fixed structure
On, the second fixed structure is annular pressing sleeve 7, and the other end connecting pin of oil-sealing sleeve 5 is compressed and is connected to above-mentioned step by annular pressing sleeve 7
On face 14, crosses line plate 2 and be fixedly mounted on 1 lateral wall of casing by screw and limit is compressed to annular pressing sleeve 7.Certain above-mentioned oil
The fixed form of 5 liang of connecting pins of big envelope can also be other modes other than the fixed forms such as above-mentioned band 6 and annular pressing sleeve 7,
As long as can be realized being fixedly connected to 5 liang of connecting pins of oil-sealing sleeve, such as dead ring or fastening screw.
In actual work, the swing angle that thread take-up tension lever 3 can generate 15-25 ° is rotated, and the swing angle of the present embodiment is
20 °, when thread take-up tension lever 3 rotates, oil-sealing sleeve 5 reverses corresponding amplitude also with thread take-up tension lever 3, since its oil-sealing sleeve 5 is by with good
Good elastic material is made, can preferable torsional deflection, thread take-up tension lever 3 rotate when, two connecting pins of oil-sealing sleeve 5 can be distinguished
Opposite thread take-up tension lever 3 and step surface 14 are kept fixed state, do not produce relative rotation, i.e., one end connecting pin of oil-sealing sleeve 5 is solid always
It is scheduled on step surface 14 and remains stationary, other end connecting pin is rotated synchronously as thread take-up tension lever 3 rotates, and oil-sealing sleeve 5 is except two connections
Other parts outside end twist, i.e., will not generate relative motion between the other end connecting pin and thread take-up tension lever 3 of oil-sealing sleeve 5,
The abrasion generated so as to avoid relative motion to thread take-up tension lever 3 and oil-sealing sleeve 5 prevents oil leak, to improve oil seal.
Further, it is formed with cavity 8 between oil-sealing sleeve 5, thread take-up tension lever 3, bearing 4 and step surface 14, is also opened up on casing 1
There is oil return hole 15, oil return hole 15 is connected to the inner cavity 11 of cavity 8 and casing 1, there is gap between the bearing 4 and thread take-up tension lever 3,
The inner cavity 11 of gap connection casing 1 and above-mentioned cavity 8.Gap, cavity 8 between its 1 inner cavity 11 of casing, bearing 4 and thread take-up tension lever 3
The oil circuit of a circulation is formd with oil return hole 15, lubricating oil enters between bearing 4 and thread take-up tension lever 3 from housing cavity 11
Gap bearing 4 and thread take-up tension lever 3 are lubricated, extra enters by oil-sealing sleeve 5, thread take-up tension lever 3, bearing 4 and step surface
It is flowed back into housing cavity 11 after being formed between 14 in cavity 8 from oil return hole 15, oil return recycling, section is carried out to lubricating oil
About lubricating oil and to lubricating efficiency height.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (8)
1. a kind of thread ran of sewing machine anti-oil leakage mechanism including thread take-up tension lever (3), crosses line plate (2) and with the machine of inner cavity (11)
Shell (1), it is characterised in that: be provided with mounting hole (12) on casing (1) inner sidewall, mounting groove (13), institute are provided on lateral wall
It states mounting hole (12) and mounting groove (13) is disposed adjacent and is interconnected, mounting hole (12) and mounting groove (13) adjacent are formed with
Step surface (14) is installed with bearing (4) on mounting hole (12), and thread take-up tension lever (3) one end sequentially passes through above-mentioned bearing (4) and mounting groove
(13) it stretches out outside shell afterwards, the mounting groove (13) is equipped with oil-sealing sleeve (5), and one end of the oil-sealing sleeve (5) is solid by first
To determine structure fixation to be set on thread take-up tension lever (3), the other end is fixed on above-mentioned step surface (14) by the second fixed structure, when
When the thread take-up tension lever (3) rotates certain swing angle a, the oil-sealing sleeve (5) reverses corresponding amplitude with thread take-up tension lever (3).
2. a kind of thread ran of sewing machine anti-oil leakage mechanism according to claim 1, which is characterized in that the step surface
(14) axial line with thread take-up tension lever (3) is mutually perpendicular to.
3. a kind of thread ran of sewing machine anti-oil leakage mechanism according to claim 2, which is characterized in that the swing angle
A is 15-25 °.
4. a kind of thread ran of sewing machine anti-oil leakage mechanism according to claim 2 or 3, which is characterized in that the oil sealing
It is formed with cavity (8) between set (5), thread take-up tension lever (3), bearing (4) and step surface (14), is also provided with back on the casing (1)
Oilhole (15), the oil return hole (15) are connected to the inner cavity (11) of above-mentioned cavity (8) and casing (1), the bearing (4) and take-up
There is gap, the inner cavity (11) of gap connection casing (1) and above-mentioned cavity (8) between bar (3).
5. a kind of thread ran of sewing machine anti-oil leakage mechanism according to claim 4, which is characterized in that the thread take-up tension lever
(3) it is offered on annular groove (31), one end of above-mentioned oil-sealing sleeve (5) is set in annular groove by first fixed structure fixation
(31) on.
6. a kind of thread ran of sewing machine anti-oil leakage mechanism according to claim 5, which is characterized in that described first is fixed
Structure is band (6), and one end of oil-sealing sleeve (5) is fixed in above-mentioned annular groove (31) by the band (6).
7. a kind of thread ran of sewing machine anti-oil leakage mechanism according to claim 6, which is characterized in that described second is fixed
Structure is annular pressing sleeve (7), and the other end compression of above-mentioned oil-sealing sleeve (5) is connected to above-mentioned by described annular pressing sleeve (7) one end
On terrace (14), the other end compresses limit by above-mentioned line plate (2) excessively, and line plate (2) excessively are fixedly mounted on casing by screw
(1) on lateral wall.
8. a kind of thread ran of sewing machine anti-oil leakage mechanism according to claim 1, which is characterized in that the oil-sealing sleeve
(5) deformable by being made with favorable elasticity material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821740128.1U CN208980901U (en) | 2018-10-25 | 2018-10-25 | A kind of thread ran of sewing machine anti-oil leakage mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821740128.1U CN208980901U (en) | 2018-10-25 | 2018-10-25 | A kind of thread ran of sewing machine anti-oil leakage mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN208980901U true CN208980901U (en) | 2019-06-14 |
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ID=66789051
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821740128.1U Active CN208980901U (en) | 2018-10-25 | 2018-10-25 | A kind of thread ran of sewing machine anti-oil leakage mechanism |
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| CN (1) | CN208980901U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113699706A (en) * | 2020-05-22 | 2021-11-26 | 杰克缝纫机股份有限公司 | Sealed take-up mechanism and sewing machine |
-
2018
- 2018-10-25 CN CN201821740128.1U patent/CN208980901U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113699706A (en) * | 2020-05-22 | 2021-11-26 | 杰克缝纫机股份有限公司 | Sealed take-up mechanism and sewing machine |
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Address after: 318014 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. |