CN100365524C

CN100365524C - Electronic display device

Info

Publication number: CN100365524C
Application number: CNB2004100014937A
Authority: CN
Inventors: 王忠明
Original assignee: BenQ Corp
Current assignee: Qisda Corp
Priority date: 2004-01-09
Filing date: 2004-01-09
Publication date: 2008-01-30
Anticipated expiration: 2024-01-09
Also published as: CN1641492A

Abstract

The present invention discloses an electronic display device and a roller mechanism thereof which comprises a first roller, a second roller, two elastic units, two spacing adjustment devices and a driving device, wherein the first roller is rotatablely and movably arranged in the electronic display device, the second roller is rotatablely arranged in the electronic display device, and a space is formed between the two rollers for a piece of paper to pass through. The two flexible units are respectively arranged on both ends of the first roller to buffer the movement of the first roller. The driving device drives the spacing adjustment devices which are movably arranged between the first roller and the second roller, and the first roller to move to change the space for the paper to pass through.

Description

Electronic development equipment

Technical field

The present invention relates to a kind of electronic development equipment, especially relate to a kind of electronic development equipment with the cylinder mechanism that can adjust spacing.

Background technology

Electronic display technology produces electrostatic image on display material, utilize the charged powder developing technique again.Common electronic development equipment is as laser printer, facsimile recorder and multifunctional paper feeding machine.With the laser printer is example, at first static is distributed on the made photosensitive drums of the semiconductor material of utilizing a kind of sensitization, thereby again with inswept changes of laser sensitization degree, makes the zone that photosensitive drums produces to be had static and do not have static, i.e. electrostatic image.So toner such as carbon dust will be attracted to the part that has static.Via high temperature carbon dust is stamped on the paper more at last, carbon dust and paper are merged and finishes video picture.

Usually use the mode of cylinder to heat traditionally, toner is fixed on the paper.As shown in Figure 1, comprise the spacing 14 that has a fixed range between 12, two cylinders 12 of two rotating cylinders in the display, be used for making the paper 16 that produces electrostatic image to pass through.One of them is hot cylinder in the cylinder 12, is used for heating paper to finish video picture.

The shortcoming of conventional art is that the spacing 14 that cylinder is 12 is fixed.When paper 16 criteria of right and wrong thickness that use, problem then takes place easily, for example heating-up temperature or pressure are inappropriate, make the bad of image, even cause paper 16 to damage or device generation fault itself.Secondly, though, cause paper 16 to be stuck in 12 on cylinder easily and the situation that can't take out because the situation of paperboard is considered in traditional design.For addressing the above problem the cylinder mechanism that some can adjust spacing is proposed.Yet the complicated mechanical design is used in the design of this class usually, and uses considerable assembly to reach the adjustment of spacing.Though this technology has been considered the problem of using non-standard paper and paperboard situation, but produced new problem.I.e. Fu Za design has caused the cost raising of making, the failure rate increase of product and the difficulty of follow-up maintenance to increase again.

Therefore, need the cylinder mechanism that a kind of cost is low, easy to manufacture and failure rate is low, so that be applied in the various electronic development equipment.

Summary of the invention

One aspect of the present invention provides a kind of electronic development equipment of adjusting the cylinder mechanism of spacing, so that adjust spacing at the paper of different-thickness.

The present invention provides the cylinder mechanism that a kind of cost is low, easy to manufacture and failure rate is low on the other hand, with and applied electronic development equipment.

Cylinder mechanism of the present invention comprises one first cylinder, a second tin roller, two Flexible elements, two spacing regulators and a drive unit.Cylinder mechanism is applied to electronic development equipment, and electronic development equipment comprises a visualization unit and a housing.Housing then is used to hold cylinder mechanism.First cylinder is rotatable also to be arranged in the housing movably.Second tin roller is arranged in the housing rotationally, and and first cylinder between have a spacing so that a paper passes through.Two Flexible elements are separately positioned on the two ends of first cylinder, are used to cushion moving of first cylinder.Spacing regulator is between first cylinder and second tin roller, and two spacing regulators are arranged on the two ends of first cylinder respectively movably.Drive unit then is used to drive spacing regulator, drives moving of first cylinder, the spacing that paper is passed through with change.

First cylinder and second tin roller have a clutch shaft bearing and one second bearing respectively.Flexible element has a guide rail, a bearing gasket and an elastic body.Guide rail is used to guide moving of first cylinder, and elastic body is the coupling shaft rim then, is used to cushion moving of first cylinder.Bearing gasket is used to contact the clutch shaft bearing of first cylinder, so that clutch shaft bearing is stressed evenly.Spacing regulator has a junction surface and an adjustment part, and the adjustment part contacts first cylinder.Drive unit comprises one and two gears.Axle is arranged in the housing rotationally.Two gears then are separately positioned on the two ends of axle, and engage one another with pairing junction surface respectively.

Description of drawings

Fig. 1 shows known cylinder mechanism;

Fig. 2 a shows the exploded view according to the cylinder mechanism of the specific embodiment of the invention;

The applied electronic development equipment of Fig. 2 b displayed map 2a intermediate roll mechanism;

The spacing of Fig. 3 displayed map 2a intermediate roll mechanism has the side view of normal width;

The spacing of Fig. 4 displayed map 2a intermediate roll mechanism has the side view of breadth extreme; And

The spacing of Fig. 5 displayed map 2a intermediate roll mechanism has the side view of minimum widith.

Embodiment

The present invention discloses a kind of cylinder mechanism that is used for electronic development equipment.Fig. 2 a is depicted as the exploded view according to cylinder mechanism 2 of the present invention.Cylinder mechanism 2 comprises one first cylinder 20, a second tin roller 22, two Flexible elements 24, two spacing regulators 26 and drive units 28.Fig. 2 b is an electronic development equipment 3 of utilization cylinder mechanism 2 of the present invention.Electronic development equipment 3 comprises a visualization unit (not shown) and a housing 32.Visualization unit is used for toner is formed on paper, and housing 32 is then in order to hold cylinder mechanism 2 and visualization unit.One of them is hot cylinder at least for first cylinder 20 and second tin roller 22, is used for heating and makes toner and paper fusion.

With reference to Fig. 2 a and Fig. 2 b, first cylinder 20 turns and is arranged on movably in the housing 32.Second tin roller 22 is arranged in the housing 32 rotationally, and and 20 on first cylinder have a spacing 30 so that a paper (not shown) passes through.Two Flexible elements 24 are arranged at the two ends of first cylinder 20 respectively, are used to cushion moving of first cylinder 20.Spacing regulator 26 is between first cylinder 20 and second tin roller 22, and two spacing regulators 26 are arranged on the two ends of first cylinder 20 respectively movably.Housing 32 comprises pair of supporting 34, is respectively applied for support interval adjusting gear 26.Each bracing frame 34 comprises a slide rail 36, with moving of guiding spacing regulator 26.Drive unit 28 drives spacing regulators 26, drives moving of first cylinder 20, the spacing that paper is passed through with change.

Figure 3 shows that the side view of cylinder mechanism 2.The two ends of first cylinder 20 and second tin roller 22 have two clutch shaft bearings 202 and 2 second bearings 222 respectively.Flexible element 24 has two guide rails 242, a bearing gasket 244 and two elastic bodys 246.Guide rail 242 is used to guide moving of

first cylinder

20, and 246 coupling shaft rims 244 of elastic body are used to cushion moving of first cylinder 20, and provides first cylinder 20 downward pressure.Bearing gasket 244 is used to contact the clutch shaft bearing 202 of first cylinder 20, so that clutch shaft bearing 202 is stressed even.Spacing regulator 26 has a junction surface 260 and an adjustment part 262, the clutch shaft bearing 202 of 262 contacts, first cylinder, 20 ends, adjustment part.Its middle guide 242 also is arranged to the low right high form in a left side, so that adjustment part 262 can be easy to touch clutch shaft bearing 202, and does not hinder the left and right sides translation of adjustment part 262 to move.Adjustment part 262 is to be example with an inclined-plane, can certainly do some simple changes, the plane that for example is multistage differing heights forms similar stair-stepping outward appearance, and each plane of spacing regulator contacts with first cylinder respectively, spacing is changed accordingly, or other can adjust design of roller height or the like, then seldom gives unnecessary details at this.Drive unit 28 comprises 282 and two gears 280.Axle 282 is arranged in the housing 32 rotationally.Two 280 of gears are separately positioned on the two ends of axle 282, and engage one another with pairing junction surface 260 respectively.

Drive unit 28 shown in Figure 3 is bonded on a primary importance with

spacing regulator

26, and 222 spacing is one first distance between the clutch shaft bearing 202 and second bearing at this moment, makes that the spacing 30 between cylinder is a normal width.Normal width is set at the standard thickness corresponding to paper, so that paper passes through cylinder mechanism 2 via the spacing between two cylinders, so that paper is applied suitable temperature or pressure.

In the present embodiment, though in diagram, do not represent, those skilled in the art as can be known, drive unit 28 also can comprise a driver (not shown), it is connected an end of axle 282, rotates to drive axle 282.By the drive of driver, gear 280 optionally changes clockwise and changes counterclockwise.When axle 282 rotates, drive spacing regulator 26 by gear 280 with engaging of junction surface 260 and move.Junction surface 260 is a tooth-like part, and adjustment part 262 is an inclined-plane, and when gear 280 optionally changeed clockwise and changes counterclockwise, spacing regulator 26 contacted with the clutch shaft bearing 202 of first cylinder 20 with inclined-plane 262, and spacing 30 is changed accordingly.With reference to Fig. 4, when axle 282 driven gears 280 were clockwise rotated by direction shown in the figure, spacing regulator 26 moved accordingly, promoted first cylinder 20 and moved along guide rail 242, thereby strengthen spacing 30, made that the spacing between two cylinders reaches big width.With reference to Fig. 5, when axle 282 driven gears 280 were rotated counterclockwise by direction shown in the figure, spacing regulator 26 moved accordingly, and first cylinder 20 of elastic body 246 promotions at this moment moves along guide rail 242, thereby reduction spacing 30 makes that the spacing between two cylinders reaches a less width.

Utilize the effect of drive unit 28 and spacing regulator 26, according to the cylinder mechanism 2 of the specific embodiment of the invention, can corresponding different paper sheet thickness and adjust spacing 30, to reach best imaging results.Have again, when the paperboard situation takes place,, just can easily paper be taken out, also can avoid cylinder mechanism 2 itself is damaged as long as adjust spacing 30 to breadth extreme.Should be noted that at this, easy on describing, in Fig. 3 to Fig. 5 of specific embodiments of the invention, three kinds of spacing sizes have only been enumerated, but those skilled in the art should know, by drive unit 28 and spacing regulator 26, the present invention can finely tune spacing 30, with corresponding to various paper sheet thickness.

The above embodiments are to be used for describing the present invention, but the technology of the present invention still can have many modifications and variations.Therefore, the present invention is not limited to the description of above specific embodiment, and within the spirit and scope of the present invention, claim of the present invention comprises all such modifications and variation.

Claims

1. electronic development equipment comprises:

One housing;

One first cylinder turns and is arranged on movably in this housing;

One second tin roller is arranged in this housing rotationally, and has a spacing between first cylinder one paper is passed through;

At least one Flexible element is arranged on an end of this first cylinder, is used to provide the pressure of first cylinder to the second tin roller direction;

At least one spacing regulator, this spacing regulator has an adjustment part, and spacing regulator is arranged on an end of first cylinder movably, and this adjustment part contacts first cylinder;

Wherein, when this spacing regulator moved, this adjustment part drove first roller shifting, the spacing that paper is passed through with change,

Also comprise a drive unit, this drive unit drives this spacing regulator and moves,

The adjustment part is an inclined-plane, and spacing regulator contacts with first cylinder with this inclined-plane, and spacing is changed accordingly.

2. electronic development equipment as claimed in claim 1 wherein also comprises a visualization unit, is used for a toner is formed at a paper, and one of them is hot cylinder at least for first cylinder and second tin roller, is used for heating and makes toner and paper fusion.

3. electronic development equipment as claimed in claim 1, wherein this Flexible element also comprises:

One guide rail is used to guide moving of first cylinder;

One bearing gasket is used to contact a side of first cylinder; And

One elastic body connects this bearing gasket, is used to cushion moving of first cylinder.

4. electronic development equipment as claimed in claim 1, wherein, spacing regulator also includes a junction surface, and drive unit also comprises:

One, be arranged in the housing rotationally; And

At least one gear is arranged at an end of axle, and engages with pairing junction surface;

Wherein, when axle rotates, drive spacing regulator by gear with engaging of junction surface and move.

5. electronic development equipment as claimed in claim 4, its middle gear optionally change clockwise and change counterclockwise.

6. electronic development equipment as claimed in claim 1, its middle shell also comprises at least one bracing frame, is used for the support interval adjusting gear.

7. electronic development equipment as claimed in claim 6, wherein bracing frame comprises a slide rail, with moving of guiding spacing regulator.

8. electronic development equipment as claimed in claim 4, wherein the junction surface comprises a tooth-like part of anything.

9. electronic development equipment as claimed in claim 4 wherein also comprises a driver, is connected an end of axle, rotates to drive axle.

10. electronic development equipment as claimed in claim 1, wherein the adjustment part is the plane that comprises multistage differing heights, spacing regulator contacts with first cylinder respectively with each plane, and spacing is changed accordingly.