CN205301812U - Developing box - Google Patents

Abstract

The utility model discloses a developing box, include: the box body, the developer roll, go out the powder sword, drive assembly, drive assembly includes: power receiving component, control unit, control unit controls the driving head meshing among the flexible of power receiving component and the image device to drive the developer roll and make rotary motion, drive the work of whole developing box. Control unit is including the exogenic action and the flexible trigger block that receive image forming device, the flexible in -process of trigger block for avoiding and go out whitewashed sword and take place to interfere, go out to be provided with on the powder sword and dodge the groove and make the trigger block can the smooth flexible control of accomplishing power receiving component.

Description

A kind of Delevoping cartridge

Technical field

This is practical relates to a kind of Delevoping cartridge, relates in particular to driven unit and the powder outlet cutter of Delevoping cartridge.

Background technology

Imaging device, or claim electrophotographic image forming, image processing system, be the equipment that forms image by electrophotographic image forming principle on recording materials. For example, electrophotographic copier, laser printer, electrophotographic printer (as laser printer and LED printer etc.), facsimile machine and word processor etc. Imaging device generally includes the Delevoping cartridge being detachably arranged on imaging equipment body.

Usually, be provided with developer roll on Delevoping cartridge, developer roll is provided with driven unit, and this driven unit engages with the machine driving head in image processing system, to drive developer roll to rotate, drives whole Delevoping cartridge work.

A kind of Delevoping cartridge is disclosed in China Patent Publication No. CN102419531A, this Delevoping cartridge is mounted in a kind of image processing system with disc installation position, the disk installation position of this image processing system is divided into four separate space, be respectively used to install the Delevoping cartridge of 4 kinds of colors, this image processing system has photosensitive drums, disk is installed when work drives each Delevoping cartridge to rotate with respect to photosensitive drums, thereby the electrostatic latent image in development photosensitive drums, the driven unit that is positioned at an axial end portion of developer roll is to adopt sphere type universal joint engaging structure. This engaging structure exists easily to deviate from from driven unit, and particularly, in the middle of transportation, this phenomenon is more prone to, and in addition, universal joint engaging structure is more difficult to be engaged with machine driving head, thereby makes afunction or the job insecurity of driven unit.

A kind of Delevoping cartridge is disclosed in China Patent Publication No. CN204188951U, the driven unit of this Delevoping cartridge is set to can be flexible by stay cord control, in engagement and out-of-gear process, thereby engage with disengaging by the flexible engagement of controlling driven unit of ball control stay cord that receives external force, but in a flash out-of-gear at Delevoping cartridge and machine driving head, driven unit and machine driving head are in engaged state, both cannot relatively rotate, the uncontrollable stay cord of ball drives driven unit retraction, therefore driven unit cannot depart from and engage with machine driving head, interfere between the two.

Utility model content

For solving the problem in technique scheme, the utility model is achieved through the following technical solutions:

Be mounted to the Delevoping cartridge in image processing system, described image processing system is provided with machine driving head and photosensitive drums, and what described Delevoping cartridge can rotate with respect to described photosensitive drums is mounted in described image processing system, and described Delevoping cartridge comprises:

Box body;

Be supported in the developer roll at box body two ends;

Be installed on the powder outlet cutter at box body two ends;

Be arranged at the driven unit of box body drive end,

Described driven unit comprises:

The power receiving-member engaging with described machine driving head;

Geared parts, in the telescopic inner chamber that is arranged on described geared parts of described power receiving part at least a portion;

Control assembly, it is flexible along being parallel to described developer roll axial direction that described control assembly receives described in the external force control of described image processing system power receiving-member,

Described control assembly is positioned at one end near driven unit on described box body, described control assembly comprises the triggering block being arranged on box body, triggering block is moved near powder outlet cutter from box surface by the effect of the external force of described image processing system, on described powder outlet cutter, is provided with and dodges accordingly groove.

Described powder outlet cutter comprises and is installed on the knife rest at box body two ends and is fixed on the blade on knife rest, described in dodge groove and be positioned on knife rest, with respect to the more close Delevoping cartridge drive end of Delevoping cartridge conducting end.

The described groove of dodging is 0 < M≤9mm in the scope of the length M perpendicular to developer roll axis direction.

The utility model structure is provided with on more stable and powder outlet cutter with respect to prior art structure to be dodged groove and prevents that control assembly and powder outlet cutter from interfering, and makes control assembly complete smoothly the control to power Receiver, the print procedure of finishing equipment.

Brief description of the drawings

Fig. 1 is the structural representation of the utility model embodiment Delevoping cartridge;

Fig. 2 is the utility model embodiment Delevoping cartridge drive end structural representation;

Fig. 3 is the structural representation of the utility model embodiment Delevoping cartridge driven unit;

Fig. 4 is the decomposition view of the utility model embodiment Delevoping cartridge driven unit;

Fig. 5 is the schematic diagram that the slide block of the utility model embodiment driven unit coordinates with triggering block;

Fig. 6 is the image processing system structural representation that the utility model embodiment Delevoping cartridge is used in conjunction with;

Fig. 7 a-7d is that the utility model embodiment Delevoping cartridge is mounted to image processing system schematic diagram;

Fig. 8 is the structural representation of the powder outlet cutter of the utility model embodiment Delevoping cartridge;

Fig. 9 is the partial structurtes schematic diagram of Fig. 8;

Figure 10 a is the view before the utility model embodiment triggering block triggers;

Figure 10 b is the view after the utility model embodiment triggering block is set out.

Detailed description of the invention

For making object, technical scheme and the advantage of the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiment. Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.

As shown in Figure 1, the Delevoping cartridge 1 that the utility model provides comprises: box body 10, be supported in the developer roll 20 at box body 10 two ends, be installed on the powder outlet cutter 50 at box body 10 two ends, be positioned at gear train and the driven unit 30 of the drive end 2 of box body 10, and prevent that the protecting cover 80 that gear train and driven unit 30 come off from box body 10, driven unit 30 are set to receive drive force gear train from imaging device, protecting cover 80 limiting gear systems and the movement of driven unit 30 at developer roll 20 axial directions.

As shown in Figure 2, the drive end 3 of Delevoping cartridge 1 is also fixedly installed locating support 90, locating support 90 is for the installation site of positioning tooth train and driven unit 30, gear train comprises developer roll gear 21, powder feeding roller gear 91, developer roll gear 21 is arranged on developer roll 20, developer roll gear 21 receives from the drive force developer roll 20 of driven unit 30 and rotates, powder feeding roller gear 91 is arranged on powder feeding roller (not shown), powder feeding roller gear 91 receives the drive force powder feeding roller rotation from driven unit 30, gear train and driven unit 30 are arranged between locating support 90 and protecting cover 80, therefore its axial displacement is limited by both, on protecting cover 80, offer through hole 81, a part for driven unit 30 is exposed to outside box body 10 by this through hole 81.

The structure of the driven unit 30 that the utility model provides is described below with reference to Fig. 3-Fig. 5.

As shown in Figure 3, driven unit 30 comprises: power receiving part 30a, geared parts 34 and control assembly 30b, power receiving-member 30a is arranged in the inner chamber of geared parts 34, it can opposing parallel stretch in developer roll axial direction, while stretching out, the drive force geared parts 34 that receives image processing system rotates, thereby control assembly 30b controls the flexible of power receiving-member 30a by a part for touching image processing system.

As shown in Figure 4, power receiving-member 30a comprises power Receiver 31 and power transfering part 33, between power Receiver 31 and power transfering part 33, be provided with torsion spring 32, this kind of structure setting, power Receiver 31 can rotate with power transfering part 33, in installation process, occurs that power Receiver 31 and machine driving head 100 withstand cannot engage time mutually, power Receiver 31 can rotate with machine driving head 100 and stagger, thereby prevents that dieback situation from occurring. Gear parts 34 is provided with the first 34a of tooth portion and the second 34b of tooth portion, and the first 34a of tooth portion is set to engage with developer roll gear 21, and the second 34b of tooth portion is set to engage with powder feeding roller gear 91. Control assembly 30b comprises slide block 36 and triggering block 37, between slide block 36 and gear 34, be provided with the first elastomeric element 35a and the second elastomeric element 35b, the first elastomeric element 35a is between the supporting bable tops 36d and gear 34 end faces of slide block 36, the second flexible member 35b is arranged between slide block 36 and locating support 90, its one end butt locating support 90, the other end is mounted on flexible member locating dowel 36c. Slide block 36 also comprises locating slot 36a and inclined-plane 36b, triggering block 37 has the press section 37a and the spigot surface 37b that coordinate with locating slot 36a, on power Receiver 31, be also provided with the 31c that has strong market potential, the 31c that has strong market potential, through torsion spring 32, power transfering part 33, gear 34, the first flexible member 35a and slide block 36, is fixed by jump ring 38. Have strong market potential 31c and power Receiver 31 of the utility model embodiment is set to one, and have strong market potential 31c and power Receiver 31 also can split designs.

As shown in Figure 6, the image processing system that the utility model embodiment Delevoping cartridge 1 is mounted to comprises rotation installation portion 101, rotation installation portion 101 comprises the installation disk that is arranged on both sides, install in disk and be provided with 101d, 101e, 101f, tetra-installation positions of 101g be used for installing develop black, blue, red, the Delevoping cartridge of Huang Si kind color, jackshaft 101b connects two disk is installed, the outer peripheral face that disk is installed is provided with gear, one metallic rod 101a both sides are provided with gear and engage with the gear that disk is installed respectively, the utility model Delevoping cartridge 1 is mounted to the four installation position 101d that disk is installed, 101e, 101f, 101g, Delevoping cartridge can rotate with disk is installed, in image processing system, be provided with machine driving head 100, the color rotation that four kinds of color development boxes are printed respectively is as required to engaging and print with machine driving head 100, in image processing system, be also provided with the urgent pushed section position 101c contacting with control assembly 30b, this urgent pushed section position 101c can be arranged on the inwall in image processing system, on photosensitive drums or door closure, in the present embodiment, compeling pushed section position 101c is arranged on the inwall of image processing system.

It as shown in Fig. 7 a-7b, is the process schematic diagram that Delevoping cartridge 1 is mounted to imaging device, tetra-kinds of color development boxes of the utility model embodiment are mounted to four installation position 101d of image processing system installation disk, 101e, 101f, 101g is to print process, for convenience of description, Fig. 7 a-7d only shows a kind of Delevoping cartridge of color, the Delevoping cartridge installation of other three kinds of colors is consistent with print procedure and the present embodiment Delevoping cartridge, as shown in Figure 7a, when image processing system does not need to develop the color of the utility model embodiment Delevoping cartridge, it is in non-print position as shown in Figure 7a, now triggering block 37 is in non-triggering state, power receiving-member 30a is in indentation state, in the time that image processing system need to develop color in the utility model embodiment Delevoping cartridge, rotation installation portion 101 drives the Delevoping cartridge that is arranged on installation position to rotate to print position, as shown in Figure 7b, triggering block 37 starts to contact urgent pushed section position 101c, slowly bounce back in the urgent triggering block 37 that pushes of compeling pushed section position 101c, under the effect of triggering block 37, power receiving-member 30a slowly stretches out from indentation state, referring to Fig. 7 c, along with being further rotated of drive block 37, power receiving-member 30a stretches out to engage with machine driving head 100 completely and receives driving force, Delevoping cartridge prints operation in this position, after printing, Delevoping cartridge 1 need to be further rotated and leave print position, now power receiving-member 30a and machine driving head 100 need to switch to released state from engagement, referring to Fig. 7 d, along with the rotation of installation portion 101, triggering block 37 is left and is compeled pushed section position 101c, at the first flexible member 35a, under the effect of the second flexible member 35b, triggering block 37 returns to the state of stretching out and makes power receiving-member 30a depart from and engage with machine driving head 100, therefore Delevoping cartridge can rotate smoothly and leave print position, so circulation rotating, the Delevoping cartridge of different colours all can engage printing with machine driving head.

The structural representation of the utility model embodiment powder outlet cutter 50 as shown in Figure 8, the partial view that Fig. 9 is Fig. 8, powder outlet cutter 50 comprises: be installed on the knife rest 52 on box body 10, be fixed on the blade 51 on knife rest 52. triggering block 37 indentations with stretch out in process, triggering block 37 has certain stroke, in order to prevent that powder outlet cutter 50 from producing and interfering with triggering block 37, on the knife rest 52 of powder outlet cutter 50, be provided with and dodge groove 52a, dodging groove 52a is positioned on powder outlet cutter 50, with respect to the more close Delevoping cartridge drive end 3 of conducting end 2 of Delevoping cartridge 1, drive end 3 engages with imaging device provides driving force for Delevoping cartridge 1, one end relative with drive end 3 is and conducting end 2, conducting end 2 realizes being electrically connected of Delevoping cartridge 1 and imaging device, dodge the width that groove 52a is greater than triggering block 37 along the length L that is parallel to developer roll axis direction on knife rest 52 and dodge groove 52a so that triggering block 37 can enter smoothly, dodging groove 52a is 0 < M≤9mm in the scope of the length M perpendicular on developer roll axis direction, if M is excessive, dodging groove 52a is formed on the blade 51 of powder outlet cutter 50, easily affect the effect of the control developer of powder outlet cutter 50.

As shown in Figure 10 a and 10b, Figure 10 a is that triggering block 37 is forced to the state before position, pushed section 101c triggers, now triggering block 37 is for stretching out state, power Receiver 31 is in retracted state, triggering block 37 is positioned to be dodged outside groove 52a, and Figure 10 b is that triggering block 37 is forced to the state after position, pushed section 101c triggers, and now triggering block 37 is in retracted state, power Receiver 31 is in stretching out state, and triggering block 37 indentations are dodged in groove 52a.

Above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit, although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement, the slide block 36 that the control assembly 30b of for example the utility model embodiment adopts and the form of triggering block 37, also other can make power accept projection to realize flexible technical scheme can to adopt gear and tooth bar or slide block and cam etc. and these amendments or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of the each embodiment technical scheme of the utility model.

Claims (3)

1. the Delevoping cartridge (1) being mounted in image processing system, described image processing system is provided with machine driving head (100) and photosensitive drums, what described Delevoping cartridge (1) can rotate with respect to described photosensitive drums is mounted in described image processing system, and described Delevoping cartridge (1) comprising:

Box body (10);

Be supported in the developer roll (20) at box body (10) two ends;

Be installed on the powder outlet cutter (50) at box body (10) two ends;

Be arranged at the driven unit (30) of box body (10) drive end (3),

Described driven unit (30) comprising:

The power receiving-member (30a) engaging with described machine driving head (100);

Geared parts (34), in the telescopic inner chamber that is arranged on described geared parts (34) of described power receiving part (30a) at least a portion;

Control assembly (30b), it is flexible along being parallel to described developer roll axial direction that described control assembly (30b) receives described in the external force control of described image processing system power receiving-member (30a),

It is characterized in that, described control assembly (30b) is positioned at one end near driven unit (30) on described box body, described control assembly (30b) comprises the triggering block (37) being arranged on box body (10), triggering block (37) is moved near powder outlet cutter (50) from box body (10) surface by the effect of the external force of described image processing system, is provided with and dodges accordingly groove (52a) on described powder outlet cutter (50).

2. Delevoping cartridge as claimed in claim 1 (1), it is characterized in that, described powder outlet cutter (50) comprises and is installed on the knife rest (52) at box body two ends and is fixed on the blade (51) on knife rest (52), the described groove (52a) of dodging is positioned at knife rest (52) above, with respect to the more close Delevoping cartridge of Delevoping cartridge (1) conducting end (2) (1) drive end (3).

3. Delevoping cartridge as claimed in claim 2, is characterized in that, described in to dodge groove (52a) be 0 < M≤9mm in the scope of the length M perpendicular to developer roll axis direction.