CN2474311Y - Recording medium delivery device and ink jet printing device using said recording medium delivery device - Google Patents
Recording medium delivery device and ink jet printing device using said recording medium delivery device Download PDFInfo
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- CN2474311Y CN2474311Y CN 01208996 CN01208996U CN2474311Y CN 2474311 Y CN2474311 Y CN 2474311Y CN 01208996 CN01208996 CN 01208996 CN 01208996 U CN01208996 U CN 01208996U CN 2474311 Y CN2474311 Y CN 2474311Y
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- Prior art keywords
- recording medium
- wheel
- conveying device
- inkjet
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Abstract
Provided is a transmitting device for recording medium which is used for jet printing device. The utility model is composed of a drive roll wheel, a chain gear and an elastic overhanging beam, wherein the chain gear is arranged with components to contact with the recording medium which just finishes printing, enabling the recording medium to be transmitted by rotating the drive roll wheel when the recording medium is compressed to the drive roll wheel by the chain gear. The elastic overhanging beam arranged with a fixing end and a free end is employed to support the chain gear, the fixing end is fixedly connected to the housing body of the jet printing device, and a mounting seat is arranged on the free end, and the chain gear is connected with the mounting seat. The components of the chain gear can keep in contact with the recording medium without damaging the recording medium in the rotary process of the chain gear.
Description
The utility model relates to the recording medium conveying device, particularly relates to a kind of recording medium conveying device for the inkjet-printing device use.
Recording medium is at the process inkjet-printing device, and as printing Hou of ink-jet printer, ink-jet duplicator, ink-jet facsimile machine or the like, the ink on the recording medium still can be dried fully not solid in sending the process of inkjet-printing device.If in the exit of inkjet-printing device, use two groups of running rollers (roller) to carry this recording medium at the upper and lower surface of recording medium, be easy to cause recording medium other printing portions or the not pollution of printing portion.The ink that printing portion is not dried is infected with earlier on the running roller, and the ink on the running roller further is infected with other printing portions or not printing portion of recording medium again.
At these characteristics, except being arranged, the people proposes the quick drying ink, and the structure of pocket-wheel also is suggested.The edge of pocket-wheel has a plurality of tiny tooth spares, and the quantity of ink of being infected with when contacting not dried ink is minimum, can pollute other printing portions or not printing portion of recording medium hardly.But the tooth spare that the pocket-wheel edge is tiny is too big because put on the strength of recording medium unit are easily, and recording medium is damaged.The structure of keeping the suitable application of force in two kinds of prior aries below is provided.
Please refer to Fig. 1 a, Brant people's such as (Brent) U.S. Patent number 5, the structure of clip wheel (pinch wheel) 101 is proposed in 420,621, it is to be formed by connecting by two pocket-wheels, be installed on the front end of a cantilever 102, the Hou end of cantilever has a yoke seat (yoke) 103, and this yoke seat can be socketed on the export trade (outer pin) 104 on the printing equipment casing, and supply with a suitable strength with a L type spring 105, make the spine on the clip wheel be unlikely to expose or destroy the surface of recording medium.When assembling, need be in conjunction with cantilever, yoke seat, folder opinion and spring, and also clip wheel also may need the action of some combinations, causes the speed of assembling slow excessively easily when producing, and reduces productivity.
With reference to figure 1b, the United States Patent (USP) that pretty man of virtue and ability's number of households involved people such as (Toshihiko Bekki) proposes, its patent No. 5,606,357, the spur 107 (spur) that proposition is supported with helical spring 106 (coil spring), the structure of spur 107 is walked back and forth with starlike the wheel mutually in fact, and more different with case before aforementioned two is the use of helical spring 106.This case uses the elasticity of helical spring 106 that suitable strength is provided, and the spine that makes bilateral folder take turns is unlikely to expose or destroy the surface of recording medium.Though use spring good when the conception of wheel shaft, still in rolling process, helical spring easily produces and comes off.And because the spur volume is small and exquisite, if it is strengthen the fixing of helical spring two again, very difficult and lose time in assembling.
The purpose of this utility model is to provide a kind of recording medium conveying device and inkjet-printing device thereof, solving the above-mentioned shortcoming that is had,
The purpose of this utility model is achieved in that promptly provides a kind of recording medium conveying device, uses for an inkjet-printing device, and this inkjet-printing device has a casing, and this recording medium conveying device comprises: an active roll; One pocket-wheel, this pocket-wheel has a tooth piece, and in order to contact a recording medium of just finishing printing, this pocket-wheel is pushed the active roll of this recording medium to this rotation, to carry this recording medium; One elasticity overhanging beam, in order to supporting this pocket-wheel, this elasticity overhanging beam has a stiff end and a free end that can move up and down with recording medium thickness, and this stiff end is fixedly connected on the casing of this inkjet-printing device, have a mount pad on this free end, this pocket-wheel is connected with this mount pad; This pocket-wheel pocket-wheel tooth piece does not when rotated keep in touch with this recording medium with not damaging recording medium.Wherein, the free end of this elasticity overhanging beam can move up and down, so that when this pocket-wheel rotation, the free end of this elasticity overhanging beam can move up and down along with the thickness of recording medium, make the tooth piece on this pocket-wheel keep suitably contacting, and recording medium is not caused damage with recording medium.
The utility model also provides a kind of recording medium conveying device, uses for an inkjet-printing device, and this inkjet-printing device has a casing, and this recording medium conveying device comprises: an active roll; One support, this support are connected on the casing of this inkjet-printing device; One roller bearing, this roller bearing are carried on this support; One star ring, this star ring has a tooth piece, and in order to contact a recording medium of just finishing printing, this pocket-wheel is pushed this recording medium to this active roll, and rotates this active roll to carry this recording medium; And a deformable nonrigid connector when being subjected to stress, this nonrigid connector connects this roller bearing and this star ring, can be along a pocket-wheel of star ring center rotation to form; Tooth piece when this pocket-wheel rotates does not keep in touch with this recording medium with not damaging recording medium.Wherein, when nonrigid connector is subjected to stress in this tooth piece, can produce deformation, make the adjustment that can move up and down along with the thickness of recording medium of this pocket-wheel, so that when pocket-wheel rotated, this tooth piece can keep suitably contacting with recording medium, and recording medium is not caused damage.
The utility model also provides a kind of inkjet-printing device, and this inkjet-printing device comprises above-mentioned a kind of recording medium conveying device.
The utility model also provides a kind of inkjet-printing device, and this inkjet-printing device comprises above-mentioned alternative recording medium conveying device.
Furtherly, a preferred embodiment use provided by the utility model and the integrated overhanging beam of inkjet-printing device, overhanging beam has several bracing or strutting arrangements and a region of stress concentration.Overhanging beam can utilize the elastic force of self, the pocket-wheel that is contained in the one end is kept with recording medium contacted, and can the surface of recording medium not damaged.The position restriction that region of stress concentration can stress take place because overhanging beam be one-body molded with casing, is installed pocket-wheel again additional and is promptly accused and finish so need only in assembling in this embodiment.
On the other hand, in second embodiment of the present utility model, we use a nonrigid connector to connect a star ring and a wheel shaft to constitute a rotatable pocket-wheel, even this nonrigid connector can make this pocket-wheel not have under the flexible situation at erection seat, by the elasticity of self, keep suitable contact the between pocket-wheel and the recording medium, and can not damage by the overwriting medium.
Above-mentioned two embodiment also can further combined with, form double elasticity structure with elasticity overhanging beam and nonrigid connector.
The advantage of the utility model device is, it is provided with active roll, pocket-wheel and elasticity overhanging beam, when pocket-wheel is pushed this recording medium to active roll, can carry this recording medium by the rotation of this active roll, and this recording medium is not caused damage, it uses reliable, and improves and carry and print quality.
Below in conjunction with accompanying drawing, describe embodiment of the present utility model in detail, wherein:
Fig. 1 a is a recording medium conveying device figure of the prior art;
Fig. 1 b is a recording medium conveying device figure of the prior art;
Fig. 2 is the overhanging beam in the utility model first preferred embodiment and the schematic diagram of pocket-wheel;
Fig. 3 is the side view of the medium conveying device in the utility model first preferred embodiment;
Fig. 4 a is the medium conveying device of the utility model first preferred embodiment, the schematic diagram when carrying to approach recording medium;
Fig. 4 b is the medium conveying device of the utility model first preferred embodiment, the schematic diagram when carrying a thick recording medium;
Fig. 5 is in the utility model second preferred embodiment, the schematic diagram of pocket-wheel and nonrigid connector;
Fig. 6 is in the utility model second preferred embodiment, in conjunction with the schematic diagram of the Hou of pocket-wheel and support;
Fig. 7 a is the medium conveying device of the utility model second preferred embodiment, the schematic diagram when carrying to approach recording medium;
Fig. 7 b is the medium conveying device of the utility model second preferred embodiment, the schematic diagram when carrying a thick recording medium.
The utility model proposes a kind of recording medium conveying device of using for inkjet-printing device, it has assembling and reaches the high advantage of reliability easily, can solve the problem that prior art meets with.Please refer to Fig. 2, Fig. 2 is the schematic diagram of the recording medium conveying device of the utility model first embodiment.On the cabinet parts 201 of inkjet-printing device, installing one and cabinet parts 201 integrated elasticity overhanging beams 202.Elasticity overhanging beam 202 has a stiff end 203 and a free end 204, and stiff end 203 is one-body molded with fixed form and cabinet parts 201.Free end 204 shapes such as yoke have two protruding axles 205 (a protruding axle is at shadow surface), can be used as the usefulness of the mount pad of a pocket-wheel 206.Pocket-wheel 206 has a tooth piece 207 along circumference, porose moving running through (also can not running through) of pocket-wheel 206 central center of circle parts, can be undertaken on the two protruding axles 205.
Such arrangement is for pocket-wheel 206 can freely be rotated the Hou that is installed in free end 204.Any other method that can reach this purpose all can be used.For instance, pocket-wheel 206 itself can have the protruding axle (not shown) that vertically stretches out in center of circle part, and protruding axle 205 holes of instead running through on the free end 204 are moving.So, pocket-wheel 206 can be installed in free end 204 equally, and can freely rotate.
General cabinet parts is constituted with ABS or other polymer plastic materials, this class material itself promptly has elasticity, especially the variation when recording medium has in limited time very much, with the elasticity that the overhanging beam 202 of cabinet parts 201 same materials is had, can keep the power that 206 pairs of recording mediums of pocket-wheel are pushed very appositely.In addition, the up and down meeting of free end 204 is unfavorable for being connected of stiff end 203 and cabinet parts 201.One consider that stiff end 203 can have a plurality of bracing or strutting arrangements 208 with the junction of cabinet parts 201 at this, to consolidate being connected between stiff end 203 and the cabinet parts 201.Please refer to Fig. 3, overhanging beam 301 has an area of stress concentration 302.The possible thinner thickness of area of stress concentration 302, or width is narrower, makes the zone that strain takes place concentrate on area of stress concentration 302.Bracing or strutting arrangement 303 does not extend to, or crosses over area of stress concentration 302, concentrates on area of stress concentration 302 really to guarantee stress.
When desire was carried recording medium, pocket-wheel was pressed into recording medium on one active roll, when active roll rotates, can carry recording medium towards specific direction.Fig. 4 a and Fig. 4 b have disclosed the schematic diagram of transporting thin recording medium and Hou recording medium.Shown in Fig. 4 a, be a thin recording medium 401 when what carry, 403 meetings of overhanging beam of carrying pocket-wheel 402 are in area of stress concentration 404 slight deformation.Pocket-wheel 403 will approach recording medium 401 by being pressed on the running roller 405, when running roller 405 rotations, and can transporting thin recording medium 401.When carrying a thick recording medium 406, please refer to Fig. 4 b, overhanging beam 403 produces bigger deformation at area of stress concentration 404 places, but will Hou recording medium 406 by being pressed on the running roller 405, when running roller 405 rotations, can carry thick recording medium 406.Overhanging beam 403 has specific size, can not damage recording medium in fact to guarantee the tooth spare 407 on the pocket-wheel 406.
According to first preferred embodiment of the present utility model, only need utilize the variation of the external form and the structure of cabinet parts extended structure, the suitable strength in the time of can providing pocket-wheel to push recording medium does not need to add the elastic device of other different materials.
In second preferred embodiment, we are between the star ring of the wheel shaft of rigidity and rigidity, install a nonrigid connector additional, this nonrigid connector is preferably formed with rubber, and number number of employed rubber better is between the A40 at shore hardness (Shore hardness) A20.The hardness of rubber and size all must suitably be selected, so that the tooth spare on the pocket-wheel can not damage recording medium in fact.
Please refer to Fig. 5 now, Fig. 5 discloses the schematic diagram according to the recording medium conveying device of the utility model second embodiment.One nonrigid connector 501 has a groove 502 along circumference.The internal diameter of one star ring 503 equates in fact that with the distance of groove 502 bottoms to the center of circle so groove 502 can hold star ring 503 just and fix it.The Hou that star ring 503 is contained in the groove 502 just forms a pocket-wheel 504.The center of circle part of pocket-wheel 504 has an axial hole 505.Please refer to Fig. 6, on a cabinet parts 601, can install a plurality of supports 602.Support has protruding axle (not shown) away from an end of cabinet parts 601, can engage and pocket-wheel 504 is contained on the support 602 with the axial hole 505 of pocket-wheel.Pocket-wheel 504 can freely rotate on support 602.
Such arrangement is for pocket-wheel 504 can freely be rotated the Hou that is installed on the support 602.Any other method that can reach this purpose all can be used.For instance, pocket-wheel 504 itself can have the protruding axle (not shown) that vertically stretches out in center of circle part, and the hole that support 602 runs through away from the protruding axle on cabinet parts 601 1 ends instead.So, pocket-wheel 504 can be installed on the support 602 equally, and can freely rotate.
Fig. 7 a and Fig. 7 b illustrate the pocket-wheel according to second preferred embodiment respectively, when suffering from different-thickness recording medium, and the deformation situation of the nonrigid connector on the pocket-wheel.Please refer to Fig. 7 a, when to carry be a thin recording medium 701 time, 702 of nonrigid connectors can produce the deformation of trace.In the time will carrying recording medium, star ring 703 is pressed ironed recording medium 701 to active roll 704.When active roll 704 rolls, can carry this thin recording medium 701.Please refer to Fig. 7 b, when to carry be a thick recording medium 705 time, nonrigid connector 702 can produce significantly deformation.Star ring 703 is pushed thick recording medium 705 to active roll 704.When active roll 704 rolls, can carry this thick recording medium 705.
The 3rd preferred embodiment of the present utility model is first preferred embodiment and the combining of second preferred embodiment.Just, with the pocket-wheel among first embodiment, be replaced as the pocket-wheel that is combined into by nonrigid connector and star ring among second embodiment.So, the place that deformation can take place increases to two places.One is the area of stress concentration of overhanging beam, and another is a nonrigid connector.Because the zone of changeable type increases to two, the amount of two regional deformations can reduce.That is to say that the region of stress concentration of overhanging beam can be more abundant, and the hardness of rubber that nonrigid connector uses can improve.Do that like this durability is improved, and can not influence performance.
Claims (11)
1. a recording medium conveying device is used for an inkjet-printing device, and this inkjet-printing device has a casing, and this recording medium conveying device comprises: an active roll; One pocket-wheel, this pocket-wheel has a tooth piece, and in order to contact a recording medium of just finishing printing, this pocket-wheel is pushed the active roll of this recording medium to this rotation, to carry this recording medium; It is characterized in that, this recording medium conveying device also comprises an elasticity overhanging beam, in order to support this pocket-wheel, this elasticity overhanging beam has a stiff end and a free end that can move up and down with recording medium thickness, this stiff end is fixedly connected on the casing of this inkjet-printing device, have a mount pad on this free end, this pocket-wheel is connected with this mount pad; This pocket-wheel pocket-wheel tooth piece does not when rotated keep in touch with this recording medium with not damaging recording medium.
2. recording medium conveying device as claimed in claim 1 is characterized in that, this elasticity overhanging beam is to become a vertical platy structure with this casing, and has a plurality of bracing or strutting arrangements at this stiff end and this casing junction, to consolidate the stiff end of this elasticity overhanging beam.
3. recording medium conveying device as claimed in claim 2, it is characterized in that, this elasticity overhanging beam also has a region of stress concentration, this region of stress concentration is between this stiff end and this free end, and the thickness of this region of stress concentration is littler than other regional thickness of this elasticity overhanging beam, and these a plurality of bracing or strutting arrangements do not extend to this region of stress concentration.
4. a recording medium conveying device is used for an inkjet-printing device, and this inkjet-printing device has a casing, it is characterized in that, this recording medium conveying device comprises: an active roll; One support, this support are connected on the casing of this inkjet-printing device; One roller bearing, this roller bearing are carried on this support; One star ring, this star ring has a tooth piece, and in order to contact a recording medium of just finishing printing, this pocket-wheel is pushed this recording medium to this active roll, and rotates this active roll to carry this recording medium; And a deformable nonrigid connector when being subjected to stress, this nonrigid connector connects this roller bearing and this star ring, can be along a pocket-wheel of star ring center rotation to form; Tooth piece when this pocket-wheel rotates does not keep in touch with this recording medium with not damaging recording medium.
5. recording medium conveying device as claimed in claim 4, it is characterized in that, this support is an elasticity overhanging beam, this elasticity overhanging beam has a stiff end and a free end that can move up and down, this stiff end is fixedly connected on the casing of this inkjet-printing device, and has a mount pad on this free end, in order to hold this pocket-wheel, tooth piece when this pocket-wheel rotates does not keep in touch with this recording medium with not damaging recording medium.
6. recording medium conveying device as claimed in claim 5 is characterized in that, this elasticity overhanging beam is for to be a vertical platy structure with this casing, and this stiff end and this casing junction have a plurality of bracing or strutting arrangements, in order to consolidate the stiff end of this elasticity overhanging beam.
7. recording medium conveying device as claimed in claim 6, it is characterized in that, this elasticity overhanging beam also has a region of stress concentration, this region of stress concentration is between this stiff end and this free end, and the thickness of this region of stress concentration is littler than other regional thickness of this elasticity overhanging beam, and these a plurality of bracing or strutting arrangements do not extend to this region of stress concentration.
8. recording medium conveying device as claimed in claim 4, it is characterized in that, this nonrigid connector has a radial side and two circular axial faces, the central authorities of this radial side have a groove, for accepting and fix this star ring, one hole runs through the center of circle of this two circular axial face, for accepting this roller bearing.
9. recording medium conveying device as claimed in claim 8 is characterized in that, this nonrigid connector is an elastomeric material.
10. inkjet-printing device, this inkjet-printing device comprises recording medium conveying device as claimed in claim 1.
11. an inkjet-printing device, this inkjet-printing device comprise recording medium conveying device as claimed in claim 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01208996 CN2474311Y (en) | 2001-04-12 | 2001-04-12 | Recording medium delivery device and ink jet printing device using said recording medium delivery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01208996 CN2474311Y (en) | 2001-04-12 | 2001-04-12 | Recording medium delivery device and ink jet printing device using said recording medium delivery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2474311Y true CN2474311Y (en) | 2002-01-30 |
Family
ID=33628956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01208996 Expired - Lifetime CN2474311Y (en) | 2001-04-12 | 2001-04-12 | Recording medium delivery device and ink jet printing device using said recording medium delivery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2474311Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100364770C (en) * | 2004-06-07 | 2008-01-30 | 旺宏电子股份有限公司 | Fluid exhaust device and its making process and operation method |
-
2001
- 2001-04-12 CN CN 01208996 patent/CN2474311Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100364770C (en) * | 2004-06-07 | 2008-01-30 | 旺宏电子股份有限公司 | Fluid exhaust device and its making process and operation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BENQ MOTOR CO., LTD. Free format text: FORMER NAME OR ADDRESS: BENQ ELECTRONS STOCK CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Patentee after: Benq Corp. Patentee before: Benq Corp. |
|
| C56 | Change in the name or address of the patentee |
Owner name: BENQ MOTOR CO., LTD. Free format text: FORMER NAME OR ADDRESS: BENQ ELECTRONS STOCK CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Patentee after: Benq Corp. Patentee before: Benq Corp. |
|
| ASS | Succession or assignment of patent right |
Owner name: QISDA CORPORATION Free format text: FORMER OWNER: BENQ CORP. Effective date: 20100728 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20100728 Address after: China Taiwan Taoyuan County Patentee after: Qisda Corporation Address before: China Taiwan Taoyuan County Patentee before: Benq Corp. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20110412 Granted publication date: 20020130 |