CN107010483A - Strainer - Google Patents
Strainer Download PDFInfo
- Publication number
- CN107010483A CN107010483A CN201710228682.5A CN201710228682A CN107010483A CN 107010483 A CN107010483 A CN 107010483A CN 201710228682 A CN201710228682 A CN 201710228682A CN 107010483 A CN107010483 A CN 107010483A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- sleeve pipe
- torsion spring
- torsion
- stop block
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
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- Knitting Of Fabric (AREA)
Abstract
The invention discloses a kind of strainer, including：Tension cam, first sleeve, support mandrel, the second sleeve pipe, the 3rd sleeve pipe, the first torsion spring, the second torsion spring, the 3rd torsion spring, the first joint portion and the second joint portion, the coefficient of torsion of the first torsion spring are more than the coefficient of torsion of the 3rd torsion spring less than the coefficient of torsion of the second torsion spring.The strainer of the present invention can adapt to the silk thread of different size of tension force and differential tension excursion by the combination of the first torsion spring, the combination of the first torsion spring and the second torsion spring, the first torsion spring and the 3rd torsion spring, therefore, strainer provided by the present invention can be applied to the silk thread of various tension force for strainer of the prior art.
Description
Technical field
The present invention relates to a kind of textile technology field, more particularly to a kind of strainer for being used to be tensioned silk thread.
Background technology
Silk thread is in walking and winding process, it usually needs strainer is tensioned to it so that it keeps some tension to protect
Barrier silk thread occurs without confusion in walking and winding.Therefore, a kind of strainer is occurred in that in the prior art, the strainer bag
Include a support shaft, the sleeve pipe being set in support shaft, be arranged in sleeve pipe and while the torsion spring that is set in support shaft and
The tension cam being fixedly connected with sleeve pipe.The cam surface of tension cam is walked for silk thread, and torsion spring provides twisting resistance for tension cam
So that tension cam is all the time with thread contact and to make silk thread be walked in some tension.When thread tension changes, tension cam
By reversing to adapt to the change of thread tension.Yet with tension cam cam surface self structure the characteristics of, when because of silk thread
When overtension make it that tension cam rotational angle is excessive, cam surface may turn over the part of wherein Curvature varying, so that
Tensioning can not be played a part of by obtaining tension cam.In order to prevent such case from producing, prior art is big by changing the coefficient of torsion
Torsion spring solve this problem, although but the torsion spring of the big coefficient of torsion will not cause tension cam to rotate in overtension
Angle is excessive, but bring one it is new the problem of, i.e. when the tension force of silk thread is smaller, and when changing, tension cam is because turning round
The coefficient of torsion of spring is excessive and hardly rotates, so that the change of thread tension can not be adapted to.
The content of the invention
For above-mentioned technical problem of the prior art, the invention provides a kind of that can adapt to larger tension variation
Tight mechanism.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of strainer.
1st, a kind of strainer, including：
Tension cam, it has the cam surface walked for silk thread；
First sleeve, it is fixedly connected with the tension cam；
Support mandrel, the first sleeve is set in the support mandrel；
Second sleeve pipe, the 3rd sleeve pipe, both of which are set in the support mandrel and are located at respectively on the first sleeve axial direction
Both sides；
First torsion spring, the second torsion spring and the 3rd torsion spring, three are set in the support mandrel and are correspondingly arranged at respectively
In the endoporus of the first sleeve, second sleeve pipe and the 3rd sleeve pipe so that the first sleeve, described second set
Pipe and the 3rd sleeve pipe are rotated under torsion relative to the support mandrel, and the coefficient of torsion of first torsion spring is less than institute
State the second torsion spring the coefficient of torsion and more than the 3rd torsion spring the coefficient of torsion；
First joint portion and the second joint portion, first joint portion be arranged on the first sleeve and second sleeve pipe it
Between, second joint portion is arranged between the first sleeve and the 3rd sleeve pipe；Wherein：
When the first sleeve rotates predetermined angular in one direction under tension cam drive, second sleeve pipe is borrowed
First joint portion is helped to rotate to increase twisting resistance needed for the tension cam unit turn angle with the first sleeve；When
When the first sleeve rotates predetermined angular to another way under tension cam drive, the 3rd sleeve pipe is by institute
The second joint portion is stated to rotate to reduce twisting resistance needed for the tension cam unit turn angle with the first sleeve.
Preferably, first joint portion includes being separately positioned on the first sleeve and the second sleeve pipe opposing end surface
The first stop block and the second stop block, second joint portion include be separately positioned on the first sleeve and described 3rd set
3rd stop block of pipe opposing end surface and the 4th stop block, first stop block and three stop block are located at described the respectively
Circumferentially upper two positions of sleeve, with when the first sleeve rotates predetermined angular in one direction, first stop block
Second stop block is pushed against to drive second sleeve pipe to rotate, when the first sleeve rotates predetermined angle to another way
When spending, the 3rd stop block pushes against the 4th stop block to drive the 3rd sleeve pipe to rotate.
Preferably, the support mandrel stretches out second sleeve pipe and the two ends formation of the 3rd sleeve pipe is respectively formed with
First limiting stand and the second limiting stand, between first limiting stand and second sleeve pipe and the second limiting stand and described the
Stage clip is provided between three sleeve pipes.
Preferably, the first sleeve is integrally formed with the tension cam.
Preferably, the first sleeve and the tension cam are made of ceramic materials.
Preferably, bearing rotation of the first sleeve by being arranged on its two ends is installed in the support mandrel.
Compared with prior art, the beneficial effect of strainer of the invention is：The strainer of the present invention can be by the
One torsion spring, the combination of the first torsion spring and the second torsion spring, the combination of the first torsion spring and the 3rd torsion spring adapt to different size of tension force
And the silk thread of differential tension excursion so that the scope increase of regulation tension variation, therefore, tensioning device provided by the present invention
Structure can be applied to the silk thread of various tension force for strainer of the prior art.
Brief description of the drawings
Fig. 1 is the decomposition view of the strainer of the present invention.
Fig. 2 is the structural representation of the strainer of the present invention.
Fig. 3 is Fig. 2 local A zoomed-in view.
Fig. 4 is the structural representation of tension cam and first sleeve.
Fig. 5 is the section plan of the strainer of the present invention.
In figure：
1- first sleeves；The sleeve pipes of 2- second；The sleeve pipes of 3- the 3rd；4- tension cams；5- support mandrels；The torsion springs of 6- first；7- second
Torsion spring；The torsion springs of 8- the 3rd；9- bearings；10- stage clips；The stop blocks of 11- first；The stop blocks of 12- second；The stop blocks of 13- the 3rd；14-
4th stop block；The limiting stands of 15- first；The limiting stands of 16- second.
Embodiment
To make those skilled in the art be better understood from technical scheme, below in conjunction with the accompanying drawings and specific embodiment party
Formula elaborates to the present invention.
As shown in Fig. 1 to 5, embodiment of the invention discloses that a kind of strainer, for making silk thread that there is some tension,
The strainer includes：Tension cam 4, it has the cam surface walked for silk thread；First sleeve 1, it is fixed with tension cam 4
Connection；Support mandrel 5, first sleeve 1 is set in support mandrel 5；Second sleeve pipe 2, the 3rd sleeve pipe 3, both of which are set in branch
It is located at the both sides on the axial direction of first sleeve 1 on support core axle 5 and respectively；First torsion spring 6, the second torsion spring 7 and the 3rd torsion spring 8, three
Person is set in support mandrel 5 and is correspondingly arranged at first sleeve 1 respectively, in the endoporus of the second sleeve pipe 2 and the 3rd sleeve pipe 3
So that first sleeve 1, the second sleeve pipe 2 and the 3rd sleeve pipe 3 the relative support mandrel 5 under torsion are rotated, and the torsion of the first torsion spring 6
Transfer from one department to another the coefficient of torsion that number is more than the 3rd torsion spring 8 less than the coefficient of torsion of the second torsion spring 7；First joint portion and second is combined
Portion, the first joint portion is arranged between the sleeve pipe 2 of first sleeve 1 and second, and the second joint portion is arranged on first sleeve 1 and the 3rd set
Between pipe 3；Wherein：When first sleeve 1 rotates predetermined angular in one direction under the drive of tension cam 4, second set of 2 pipe is borrowed
The first joint portion is helped to rotate to increase twisting resistance needed for the unit turn angle of tension cam 4 with first sleeve 1；When first sleeve 1
When rotating predetermined angular to another way under the drive of tension cam 4, the 3rd sleeve pipe 3 is by the second joint portion and first sleeve
1 rotates to reduce twisting resistance needed for the unit turn angle of tension cam 4.
Preferably, the first joint portion is stopped including being separately positioned on the first of the opposing end surface of 1 and second sleeve pipe of first sleeve 2
The stop block 12 of block 11 and second, the second joint portion includes being separately positioned on the of first sleeve 1 and the opposing end surface of the 3rd sleeve pipe 3
Three stop blocks 13 and the 4th stop block 14, the first stop block 1 and the 3rd stop block 13 are located at circumferential upper two of first sleeve 1 respectively
Position, so that when first sleeve 1 rotates predetermined angular in one direction, the first stop block 11 pushes against the second stop block 12 to drive
Second sleeve pipe 2 is rotated, when first sleeve 1 rotates predetermined angular to another way, and the 3rd stop block 13 pushes against the 4th backstop
Block 14 with drive the 3rd sleeve pipe rotate.
When being tensioned silk thread using the strainer of the present invention, when the tension force of silk thread has in advance in median size, and tension force
When determining excursion, the tension force of silk thread can be provided by the first torsion spring 6, and the tension force of this kind of degree occurs within a predetermined range
During change, tension cam 4 can adjust tension variation by rotating predetermined angular.When thread tension is larger, this kind of degree
When tension force has made the tension cam 4 exceed predetermined angular, and tension variation scope it is larger when, the first stop block 11 pushing and pressing second
Stop block 12 so that the sleeve pipe 2 of first sleeve 1 and second is combined together, so that second with the larger coefficient of torsion turns round
Resistance tension cam 4 rotational angle continues the trend increased, and then of adjustable this kind of degree to the torsion spring 6 of spring 7 and first jointly
The change of power simultaneously enables silk thread to keep the tension force of this kind of degree.When the tension force of silk thread is smaller, and tension variation scope is smaller,
Tension cam 4 can be rotated backward, and when the opposite direction rotational angle of tension cam 4 is more than predetermined angular, illustrate the first torsion spring 6
The coefficient of torsion is relative to the overtension, and this can make tension cam 4 insensitive to the small change of tension force, now, the 4th backstop
Block 14 stops the 3rd stop block 13 just so that the sleeve pipe 3 of first sleeve 1 and the 3rd is combined together, so that with smaller
The 3rd torsion spring 8 and the collective effect of the first torsion spring 6 of the coefficient of torsion are to reduce the rotational angle of tension cam 4, so that tension cam 4
Just there can be larger and rational rotational angle when changing compared with small tension receiving coil.
It should be explained that：1st, above-mentioned predetermined rotational angular is according to the coefficient of torsion of the first torsion spring 6, in medium journey
What the occurrence and excursion of degree tension force were set, that is to say, that when silk thread is in the state of moderate tension force, if
The angle of rotation for determining tension cam 4 is 0 °, when the tension force of silk thread changes in predetermined allowed band, the meeting of tension cam 4
Rotate predetermined angular（The angle is set in advance in the tension variation scope allowed in advance, when greater than predetermined angular, illustrates the
The moment of torsion of one torsion spring 6 and it is not suitable with this kind of degree tension force.2nd, the combination and first of the above-mentioned torsion spring 7 of first torsion spring 6 and second
The combination of torsion spring 6 and the 3rd torsion spring 8 should not because profile seem series connection be interpreted as the first torsion spring 6 connected with the second torsion spring 7 and
First torsion spring 6 is connected with the 3rd torsion spring 8, the combination of the first torsion spring 6 and the second torsion spring 7 and the first torsion spring 6 and the 3rd torsion spring 8
With reference to being a kind of structure of particular form, and in fact, the coefficient of torsion after the first torsion spring 6 and the second torsion spring 7 are combined is more than the
One torsion spring 6 and less than the coefficient of torsion of the second torsion spring 7, the coefficient of torsion after the first torsion spring 6 and the 3rd torsion spring 8 are combined is less than first
Torsion spring 6 and more than the 3rd torsion spring 8.
The strainer of the present invention can pass through the first torsion spring 6, the combination of the first torsion spring 6 and the second torsion spring 7, the first torsion spring 6
Combination with the 3rd torsion spring 8 adapts to the silk thread of different size of tension force and differential tension excursion so that regulation tension force
Excursion increases, and therefore, strainer provided by the present invention is for strainer of the prior art, Neng Gouying
Silk thread for various tension force.
Preferably, support mandrel 5 stretches out the second sleeve pipe 2 and the two ends formation of the 3rd sleeve pipe 3 is respectively formed with the first limit
The position limiting stand 16 of platform 15 and second, between the first limiting stand 15 and the second sleeve pipe 2 and the second limiting stand 16 and the 3rd sleeve pipe 3 it
Between be provided with stage clip 10.
Preferably, first sleeve 1 is integrally formed with tension cam 4.
Preferably, first sleeve 1 and tension cam 4 are made of ceramic materials.
Preferably, bearing 9 rotation of the first sleeve 1 by being arranged on its two ends is installed in the support mandrel 5
On.
Above example is only the exemplary embodiment of the present invention, is not used in the limitation present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art can make respectively in the essence and protection domain of the present invention to the present invention
Modification or equivalent substitution are planted, this modification or equivalent substitution also should be regarded as being within the scope of the present invention.
Claims (6)
1. a kind of strainer, it is characterised in that including：
Tension cam, it has the cam surface walked for silk thread；
First sleeve, it is fixedly connected with the tension cam；
Support mandrel, the first sleeve is set in the support mandrel；
Second sleeve pipe, the 3rd sleeve pipe, both of which are set in the support mandrel and are located at respectively on the first sleeve axial direction
Both sides；
First torsion spring, the second torsion spring and the 3rd torsion spring, three are set in the support mandrel and are correspondingly arranged at respectively
In the endoporus of the first sleeve, second sleeve pipe and the 3rd sleeve pipe so that the first sleeve, described second set
Pipe and the 3rd sleeve pipe are rotated under torsion relative to the support mandrel, and the coefficient of torsion of first torsion spring is less than institute
State the second torsion spring the coefficient of torsion and more than the 3rd torsion spring the coefficient of torsion；
First joint portion and the second joint portion, first joint portion be arranged on the first sleeve and second sleeve pipe it
Between, second joint portion is arranged between the first sleeve and the 3rd sleeve pipe；Wherein：
When the first sleeve rotates predetermined angular in one direction under tension cam drive, second sleeve pipe is borrowed
First joint portion is helped to rotate to increase twisting resistance needed for the tension cam unit turn angle with the first sleeve；When
When the first sleeve rotates predetermined angular to another way under tension cam drive, the 3rd sleeve pipe is by institute
The second joint portion is stated to rotate to reduce twisting resistance needed for the tension cam unit turn angle with the first sleeve.
2. strainer according to claim 1, it is characterised in that first joint portion is described including being separately positioned on
The first stop block and the second stop block of first sleeve and the second sleeve pipe opposing end surface, second joint portion include difference
It is arranged on the 3rd stop block and the 4th stop block of the first sleeve and the 3rd sleeve pipe opposing end surface, first backstop
Block and three stop block respectively be located at circumferentially upper two positions of the first sleeve, with when the first sleeve in one direction
When rotating predetermined angular, first stop block pushes against second stop block to drive second sleeve pipe to rotate, when described
When first sleeve rotates predetermined angular to another way, it is described to drive that the 3rd stop block pushes against the 4th stop block
3rd sleeve pipe is rotated.
3. strainer according to claim 1, it is characterised in that the support mandrel stretches out second sleeve pipe and institute
The two ends formation for stating the 3rd sleeve pipe is respectively formed with the first limiting stand and the second limiting stand, first limiting stand and described second
Stage clip is provided between sleeve pipe and between the second limiting stand and the 3rd sleeve pipe.
4. strainer according to claim 1, it is characterised in that the first sleeve and tension cam one into
Type.
5. strainer according to claim 4, it is characterised in that the first sleeve and the tension cam are by ceramics
Material is made.
6. strainer according to claim 1, it is characterised in that the first sleeve is by being arranged on the axle at its two ends
Forward dynamic be installed in the support mandrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710228682.5A CN107010483A (en) | 2017-04-10 | 2017-04-10 | Strainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710228682.5A CN107010483A (en) | 2017-04-10 | 2017-04-10 | Strainer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107010483A true CN107010483A (en) | 2017-08-04 |
Family
ID=59446375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710228682.5A Pending CN107010483A (en) | 2017-04-10 | 2017-04-10 | Strainer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107010483A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004109235A (en) * | 2002-09-13 | 2004-04-08 | Fuji Xerox Co Ltd | Tension release device and image forming apparatus using same |
| CN101147013A (en) * | 2005-03-21 | 2008-03-19 | 利滕斯汽车合伙公司 | Tensioner with reinstallation feature |
| CN101297129A (en) * | 2005-11-03 | 2008-10-29 | 盖茨公司 | Tensioner |
| DE102009052637A1 (en) * | 2009-11-10 | 2011-05-12 | Johann Singer | Automatic traction clamping device for tensioning belt of traction drive in vehicles with internal combustion engine, has base housing and swivel arm that is provided with roller-supported pulley |
| RU2013137030A (en) * | 2013-08-06 | 2015-02-20 | Закрытое акционерное общество "Вологодский подшипниковый завод" | STRETCHING DEVICE |
| CN204236952U (en) * | 2014-10-29 | 2015-04-01 | 江阴市巨匠文化创意发展有限公司 | A kind of film cylinder tensioning regulating mechanism |
-
2017
- 2017-04-10 CN CN201710228682.5A patent/CN107010483A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004109235A (en) * | 2002-09-13 | 2004-04-08 | Fuji Xerox Co Ltd | Tension release device and image forming apparatus using same |
| CN101147013A (en) * | 2005-03-21 | 2008-03-19 | 利滕斯汽车合伙公司 | Tensioner with reinstallation feature |
| CN101297129A (en) * | 2005-11-03 | 2008-10-29 | 盖茨公司 | Tensioner |
| DE102009052637A1 (en) * | 2009-11-10 | 2011-05-12 | Johann Singer | Automatic traction clamping device for tensioning belt of traction drive in vehicles with internal combustion engine, has base housing and swivel arm that is provided with roller-supported pulley |
| RU2013137030A (en) * | 2013-08-06 | 2015-02-20 | Закрытое акционерное общество "Вологодский подшипниковый завод" | STRETCHING DEVICE |
| CN204236952U (en) * | 2014-10-29 | 2015-04-01 | 江阴市巨匠文化创意发展有限公司 | A kind of film cylinder tensioning regulating mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170804 |
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| RJ01 | Rejection of invention patent application after publication |