CN1528596A - Scroll support and printer therewith - Google Patents
Scroll support and printer therewith Download PDFInfo
- Publication number
- CN1528596A CN1528596A CNA03139079XA CN03139079A CN1528596A CN 1528596 A CN1528596 A CN 1528596A CN A03139079X A CNA03139079X A CN A03139079XA CN 03139079 A CN03139079 A CN 03139079A CN 1528596 A CN1528596 A CN 1528596A
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- China
- Prior art keywords
- paper roll
- cursor
- base
- paper
- bracing frame
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Abstract
The invention relates to a scroll support frame as well as a printer with it. It includes left and right support arms, which are set on left and right support frames, respectively, where the two support frames can slide leftward and rightward along the runner on the base; in the center of the base is hinged rotary arm, left and right ends of which hinge left and right swing arms, respectively, where the left and right swing arms hinge the left and right support frames, respectively, so as to form two brace slide block mechanisms centrally symmetrical at rotary arm hinging point, in addition, it sets an elastic component to make the two support frames close to the middle. It can support scrolls of different widths; assure synchronous action and has good centring property.
Description
Technical field
The present invention relates to a kind of support and fixture of the copier medium of typewriting, relate in particular to a kind of paper roll holder and have the printer of this support.
Background technology
In equipment such as printer, often utilize the stent support roll web to realize continuous paper supply.Common paper roll holder structure as shown in Figure 1, it comprises rack body 120 and paper spool 130, the both sides of rack body 120 all are provided with holddown groove 140, rack body 120 is fixed in the printer by the fixing hole 180 of its bottom, and two terminations of paper spool 130 are provided with the step 150 that is complementary with holddown groove 140.During use, earlier paper roll is set on the paper spool 130, then paper spool 130 is fixed on the rack body 120.Like this, 120 two inside side walls of rack body are pressed close to two sides of paper roll, and paper roll is fixed on this position, can not move left and right.There are two to force the paper piece in the corresponding position of paper feed passage, be respectively that a left side forces the paper piece 160 and the right side to force paper piece 170, during use, force the paper piece 160 and the right side to force paper piece 170 to push both sides on a left side earlier, paper is placed on the centre position, then a left side is forced the paper piece 160 and the right side to force paper piece 170 to shift suitable position onto.
There is following shortcoming in the type paper roll holder: at first when placing width less than the paper roll of support width, the position of paper roll is depended on artificial placement fully, and is poor to neutrality, causes paper feed to have some setbacks; Simultaneously, paper roll easy double swerve under the effect of pulling force causes paper to wander off and can not print in the tram, influences printing effect greatly; Secondly because on the rack body 120 open holddown groove 140 is arranged, when printer inclination certain angle, paper spool 130 is easy to come off from rack body 120, causes and can't normally print; The paper feed passage that is complementary with this paper roll holder also must be furnished with the paper of forcing piece once more, causes the paper action complicated, and printer arrangement is loaded down with trivial details, and cost increases.
U.S. Pat 6431492 discloses a kind of paper roll holder, this support width is adjustable, good to neutrality, its structure as shown in Figure 2, comprise the left and right sidesing supporting frame c, the d that have left and right sides support arm a, b respectively, left and right sidesing supporting frame c, d install left and right sides tooth bar e, f respectively, and left and right sides tooth bar e, f are meshed with same gear g.Because left and right sides tooth bar e and same gear g engagement, their motion is synchronous all the time, and a fixing line of symmetry is promptly always arranged, and goes up the better to neutrality of paper like this.
But the paper roll holder structure of the type is too complicated, causes the cost of production and processing too high, has limited applying of it greatly.In addition, the engaging paper roll determines by manual, so the paper roll too pine or too tight of card easily, and too pine can be caused the paper supply instability, too tightly then causes fault generations such as stuck, paper damage.
Summary of the invention
Purpose of the present invention just provides a kind of simple in structure, support paper rolls of different width that can be stable and makes paper roll to the good paper roll holder of neutrality and have the printer of this support.
Two paper roll support arms that can be respectively insert paper core about the present invention includes from the paper roll two ends, about two paper roll support arms be separately positioned on about on two bracing frames, bracing frame can horizontally slip along the chute on the base; In the center of base hinged cursor is set, the two ends, the left and right sides of cursor each hinged left swing arm and right swing arm, left and right sides swing arm is hinged left and right sidesing supporting frame respectively, formation is centrosymmetric two slider-crank mechanisms with the cursor pin joint, and the flexible member that two bracing frames are drawn close to the centre also is set in addition.
Described flexible member is that the spring that cursor is had be rotated into vertical state trend is set between two ends each and the base of cursor; Or extension spring is set between left and right sidesing supporting frame.
Chute on the base has two and be parallel to each other, and the bracing frame relevant position has the slider bar that can be slidingly matched with it; Fixedly connected rotating spanner on the described cursor.
Because left and right sidesing supporting frame of the present invention can slide, and the flexible member that two bracing frames are drawn close to the centre is arranged, so paper roll holder of the present invention can stably support the paper roll of different in width; Because left and right sidesing supporting frame is connected on the slider-crank mechanism of symmetry, therefore can guarantee synchronization action, and is good to neutrality; Owing to be provided with rotating spanner, make that upward paper is convenient; Save in the paper feed passage and force the paper piece, simple in structure, reduced cost.
Description of drawings
Fig. 1 is the schematic diagram of traditional printer paper roll support;
Fig. 2 is the structural representation of U.S. Pat 6302604 supports;
Fig. 3 removes stereogram behind the loam cake for printer of the present invention;
Fig. 4 is the upward view of printer paper roll support of the present invention;
Fig. 5 is the front view of printer paper roll support of the present invention;
Fig. 6 is the vertical view after printer paper roll support of the present invention removes bottom;
Fig. 7 is the stereogram of the left paper roll bracing frame of printer paper roll support of the present invention;
Fig. 8 is the stereogram of the right paper roll bracing frame of printer paper roll support of the present invention.
The specific embodiment
The overall structure of printer of the present invention is being fixed movement base plate 102 is being installed as shown in Figure 3 on the printer casing 101, movement is installed the paper roll holder that is connecting printer core 100 on the base plate 102 and having left bracing frame 2 and right bracing frame 3.
The structure of paper roll holder is shown in Fig. 4,5,6, and it comprises that the bottom has the base 1 of fixing hole 14 and positioning boss 15, and paper roll holder is fixed on movement by them and installs on the base plate 102; On nethermost four angles of base 1, four bottom fixing holes 16 are arranged, fixing bottom 10 on the bottom fixing hole 16; Two sides up and down of base 1 are provided with first chute 11 and second chute 12 that is parallel to each other respectively.The center of base 1 is provided with connecting rod rotating shaft 18, and cursor 6 position therebetween is hinged in the connecting rod rotating shaft 18, and the two ends of cursor 6 are hinged left swing arm 5 and right swing arm 8 respectively.Fixedly connected rotating spanner 63 on the cursor 6.
Structure such as Fig. 4, Fig. 5 and shown in Figure 7 of left side bracing frame 2, it comprises left bracing frame base 21, and it top supporting left bracing frame main body 22, and the correct position of left bracing frame main body 22 has a left support arm 23.Left slider 25 is arranged at the bottom of left side bracing frame base 21.Wherein, the distance between two slide blocks 25 equates that with distance between two chutes the width of slide block 25 is slightly less than the width of chute.The structure of right bracing frame 3 as shown in Figure 8, it is big or small identical and they are with respect to connecting rod rotating shaft 18 symmetries with left bracing frame 2.Left slider 25, right slide block 35 all insert in the chute and can slide along chute.
In the back of base 1, with left bracing frame 2 corresponding positions left skateboard 4 is set, left skateboard 4 is fixed together by the fixing hole 41 on its four angles and screw and left slider 25.The bottom of left slider 4 is hinged with an end of left swing arm 5 by left slider axle 42.
In the back of base 1, with right bracing frame 3 corresponding positions right slide plate 9 is set, right slide plate 9 is fixed together by the fixing hole 91 on its four angles and screw and right slide block 35.The bottom of right slide block 9 is hinged with an end of right swing arm 8 by right slide block axle 92.
In the back of base 1 left spring fixed leg 17 is arranged, the other end that hangs with first flexible member, 7, the first flexible members 7 on the left spring fixed leg 17 hangs on the left spring fixing hole 61 on the cursor 6.Opposite side in the back of base 1 has right spring fixed column 19, and the other end that hangs with second flexible member, 71, the second flexible members 71 on the right spring fixed column 19 hangs on the right spring fixed hole 62 on the rotating spanner 63.
Operation principle of the present invention is such, when not having paper roll on the support, under the pulling force effect of first flexible member 7 and second flexible member 71, cursor 6 is in plumbness, under the pulling of left swing arm 5, left skateboard 4 is in the centre position near base 1, right slide plate 9 is under the pulling of right swing arm 8, also be in centre position near base 1, at this moment, the distance of left skateboard 4 and right slide plate 9 also is minimum, because left bracing frame 2 and left skateboard 4 link together, right paper roll bracing frame 3 and right slide plate 9 link together, so, the distance of left side paper roll bracing frame 2 and right bracing frame 2 also is minimum, and the distance of left support arm 23 on the left bracing frame 2 and the right support arm 33 on the right bracing frame 3 also is minimum.The minimum paper roll width that support can hold is exactly the distance of the end face of left support arm 23 at this moment to the end face of right support arm 33.
When paper roll is installed, pull spanner 63 (direction among Fig. 6) with the hand clockwise direction, because spanner 63 is fixedlyed connected with cursor 6, so cursor 6 is (direction among Fig. 6) rotation clockwise also, the rotation of cursor 6 has driven the motion of left swing arm 5 and right swing arm 8, the motion of left side swing arm 5 has driven left slider to the center direction motion away from base 1, and as a same reason, right slide plate 9 is also to the center direction motion away from base 1.Because left swing arm 5 and right swing arm 8 and left skateboard 4 and right slide plate 9 are to be centrosymmetric with respect to the connecting rod rotating shaft 18 on the base 1, so be fixed on the left bracing frame 2 on the left skateboard 4 and be fixed on the motion of the right bracing frame 3 on the right slide plate 9 also with respect to connecting rod rotating shaft 18 symmetries.When the distance of the end face of the end face of left support arm 23 and right support arm 33 is slightly larger than the width of paper roll, left support arm 23 or right support arm 33 are inserted in the mandrel of paper roll one end, and maintenance paper roll level, counterclockwise pull spanner 63 (direction among Fig. 6) then, make right support arm 33 or left support arm 23 be inserted into the other end of paper core, unclamp spanner 63, then left bracing frame main body 22 and right bracing frame main body 32 are drawn close to the centre under the effect of spring, and give the certain pressure of paper roll both ends of the surface, paper roll is clamped, promptly installed.At this moment, the free degree of paper roll has only one, sways exactly, and what paper roll was stabilized is supported on the support, and paper feeding reposefully in print procedure is not easy to wander off, and can produce good printing effect.Therefore the present invention paper roll support stable aspect be better than prior art.
Specific embodiments of the invention have been announced its preferred implementation, but are not limited to this kind embodiment.Those of ordinary skill in the art understands spirit of the present invention very easily according to the foregoing description, and makes different amplifications and variation.But only otherwise break away from spirit of the present invention, all in this patent protection domain.
Claims (10)
1. paper roll holder, two paper roll support arms that can insert paper core respectively from the paper roll two ends about it comprises, about two paper roll support arms be separately positioned on about on two the bracing frame, it is characterized in that bracing frame can horizontally slip along the chute on the base; In the center of base hinged cursor is set, the two ends, the left and right sides of cursor each hinged left swing arm and right swing arm, left and right sides swing arm is hinged left and right sidesing supporting frame respectively, formation is centrosymmetric two slider-crank mechanisms with the cursor pin joint, and the flexible member that two bracing frames are drawn close to the centre also is set in addition.
2. paper roll holder according to claim 1 is characterized in that described flexible member is that the spring that cursor is had be rotated into vertical state trend is set between two ends each and the base of cursor.
3. paper roll holder according to claim 1 is characterized in that described flexible member is that extension spring is set between left and right sidesing supporting frame.
4. according to claim 2 or 3 described paper roll holders, it is characterized in that chute on the base has two and be parallel to each other, the bracing frame relevant position has the slide block that can be slidingly matched with it.
5. paper roll holder according to claim 4 is characterized in that fixedly connected rotating spanner on the described cursor.
6. printer that has above-mentioned paper roll holder, two paper roll support arms that can insert paper core respectively from the paper roll two ends about it comprises, about two paper roll support arms be separately positioned on about on two the bracing frame, it is characterized in that bracing frame can horizontally slip along the chute on the base; In the center of base hinged cursor is set, the two ends, the left and right sides of cursor each hinged left swing arm and right swing arm, left and right sides swing arm is hinged left and right sidesing supporting frame respectively, formation is centrosymmetric two slider-crank mechanisms with the cursor pin joint, and the flexible member that two bracing frames are drawn close to the centre also is set in addition.
7. printer according to claim 6 is characterized in that described flexible member is that the spring that cursor is had be rotated into vertical state trend is set between two ends each and the base of cursor.
8. printer according to claim 7 is characterized in that described flexible member is that extension spring is set between left and right sidesing supporting frame.
9. according to claim 6 or 7 described printers, it is characterized in that chute on the base has two and be parallel to each other, the bracing frame relevant position has the slide block that can be slidingly matched with it.
10. paper roll holder according to claim 9 is characterized in that fixedly connected rotating spanner on the described cursor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03139079 CN1290710C (en) | 2003-09-26 | 2003-09-26 | Scroll support and printer therewith |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03139079 CN1290710C (en) | 2003-09-26 | 2003-09-26 | Scroll support and printer therewith |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1528596A true CN1528596A (en) | 2004-09-15 |
| CN1290710C CN1290710C (en) | 2006-12-20 |
Family
ID=34286443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03139079 Expired - Fee Related CN1290710C (en) | 2003-09-26 | 2003-09-26 | Scroll support and printer therewith |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1290710C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010081425A1 (en) * | 2009-01-19 | 2010-07-22 | 山东新北洋信息技术股份有限公司 | Paper bin and printer using the paper bin |
| CN103692780A (en) * | 2012-09-27 | 2014-04-02 | 兄弟工业株式会社 | Tape cartridge |
| CN105445101A (en) * | 2015-11-12 | 2016-03-30 | 中国矿业大学 | Experiment clamp capable of being adjusted and aligned and used for determining tensile strength of rocks with splitting method and method for determining tensile strength of rocks |
| CN108328331A (en) * | 2018-01-19 | 2018-07-27 | 贵港市瑞成科技有限公司 | A kind of centering mechanism of the preceding subordinate piece transmission line of shelves glass deburring machinery |
| CN108407470A (en) * | 2018-03-01 | 2018-08-17 | 宁波精芯科技有限公司 | Thermal printer movement |
| CN111469567A (en) * | 2019-01-24 | 2020-07-31 | 兄弟工业株式会社 | Printing apparatus |
| CN113119612A (en) * | 2019-12-30 | 2021-07-16 | 深圳市新普贴科技有限公司 | Printing consumables loading mechanism |
-
2003
- 2003-09-26 CN CN 03139079 patent/CN1290710C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010081425A1 (en) * | 2009-01-19 | 2010-07-22 | 山东新北洋信息技术股份有限公司 | Paper bin and printer using the paper bin |
| CN103692780A (en) * | 2012-09-27 | 2014-04-02 | 兄弟工业株式会社 | Tape cartridge |
| CN103692780B (en) * | 2012-09-27 | 2016-05-04 | 兄弟工业株式会社 | Tape drum |
| US9718636B2 (en) | 2012-09-27 | 2017-08-01 | Brother Kogyo Kabushiki Kaisha | Tape cartridge |
| CN105445101A (en) * | 2015-11-12 | 2016-03-30 | 中国矿业大学 | Experiment clamp capable of being adjusted and aligned and used for determining tensile strength of rocks with splitting method and method for determining tensile strength of rocks |
| CN108328331A (en) * | 2018-01-19 | 2018-07-27 | 贵港市瑞成科技有限公司 | A kind of centering mechanism of the preceding subordinate piece transmission line of shelves glass deburring machinery |
| CN108407470A (en) * | 2018-03-01 | 2018-08-17 | 宁波精芯科技有限公司 | Thermal printer movement |
| CN111469567A (en) * | 2019-01-24 | 2020-07-31 | 兄弟工业株式会社 | Printing apparatus |
| CN113119612A (en) * | 2019-12-30 | 2021-07-16 | 深圳市新普贴科技有限公司 | Printing consumables loading mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1290710C (en) | 2006-12-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061220 Termination date: 20150926 |
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| EXPY | Termination of patent right or utility model |