CN206224137U - Electronic imaging apparatus and its powder box - Google Patents

Abstract

A kind of electronic imaging apparatus and its powder box, powder box include a shell, a photosensitive drums, a cover piece, a travelling carriage, a coupling, a gear and a driving member；Photosensitive drums have a first axle；There is cover piece an elongated slot to be slided for travelling carriage；Coupling can be axially movably located at travelling carriage and with a second axis parallel to first axle；Driving member can axially movably be located at gear；When coupling is not acted on by external force, first and second axis apart from one another by, can be moved along elongated slot together with travelling carriage when coupling is acted on by external force, make first and second axis coaxle, and travelling carriage drives driving member axial movement and is connected together with coupling and can rotated together, and coupling is moved along second axis by the pushing and pressing of driving member towards the direction away from the photosensitive drums.A kind of electronic imaging apparatus, are provided with above-mentioned powder box.The utility model powder box can smooth, firmly be combined with electronic imaging apparatus and depart from and smoothly can be driven by electronic imaging apparatus.

Description

Electronic imaging apparatus and its powder box

Technical field

The utility model is on electronic imaging apparatus, particularly a kind of powder box for electronic imaging apparatus.

Background technology

It is unavoidable in work to need mimeograph documents, and the electronic imaging apparatus such as laser printer, ink-jet printer become One of necessaries for office.These electronic imaging apparatus are made up of multiple components, and powder box be electronics into As reaching one of important component of printing function in device.Existing powder box is typically detachable, is changed with convenient use person Or supplement carbon dust.And these powder boxs need smooth and firmly with electronic imaging apparatus to be combined and departed from, powder box and Driven (for example, driving turning for the photosensitive drums in powder box by electronic imaging apparatus It is dynamic), print job can be performed.However, part powder box is but unable to reach aforementioned claim.

Utility model content

Main purpose of the present utility model is to provide a kind of electronic imaging apparatus and its powder box so that powder box can be suitable Freely, consolidate and positively combined with electronic imaging apparatus and depart from and smoothly can be driven by electronic imaging apparatus.

To reach above-mentioned purpose, the utility model provides a kind of powder box, and it includes a shell, a photosensitive drums, a lid Part, a travelling carriage, a coupling, a gear and a driving member；The enclosure have an accommodation space, and the shell one End has the open communication accommodation space with the external world；The photosensitive drums are located in the accommodation space of the shell and with a first axle Line；The cover piece is located at the opening of the shell and with an elongated slot；The travelling carriage can slidably be located at along the bearing of trend of the elongated slot The cover piece；The coupling can axially movably located at the travelling carriage and through the elongated slot of the cover piece, the coupling and with one the Two diameter parallels are in the first axle；The gear is located at one end of the photosensitive drums and can be rotated together with the photosensitive drums；The transmission Part axially movably can extend located at the gear and along the first axle, and the driving member can rotate together with the gear；When the coupling When fitting is not acted on by external force, first and second axis is apart from one another by can be together with the slip when the coupling is acted on by external force Frame is moved along the elongated slot, makes first and second axis coaxle, and the travelling carriage drive the driving member move axially and with the coupling Part is connected together and can rotate together, and the coupling is photosensitive away from this along second axis court by the pushing and pressing of the driving member Bulging direction movement.

In an embodiment, the coupling includes a revolving force acceptance division, an axle to powder box described in the utility model Portion is extended by the revolving force acceptance division and a revolving force transfer part is located at the axle portion away from the one of the revolving force acceptance division End.

In an embodiment, there is the travelling carriage powder box described in the utility model a support body and a perforation to be located at The support body and axle portion for the coupling is passed through.

Powder box described in the utility model further includes one first spring housing located at the coupling in an embodiment Axle portion, and stick to the support body and the revolving force transfer part in the travelling carriage with the two ends of first spring.

In an embodiment, the coupling has further included a locating dowel by the axle portion footpath to powder box described in the utility model To extending.

In an embodiment, there is the cover piece powder box described in the utility model a limiting section to be located at the one of the elongated slot Side.

In an embodiment, the revolving force acceptance division of the coupling includes one in cone to powder box described in the utility model The body of shape, a concavity be located at the body in contrast to the side of the axle portion and two clip-connecting rods by the body in contrast to this Extend and positioned at the concavity both sides side of axle portion.

In an embodiment, the revolving force transfer part of the coupling is by a pin member footpath to powder box described in the utility model Formed to the axle portion is worn.

In an embodiment, the driving member includes a clamping joint and an axis to powder box described in the utility model Extended by the clamping joint, the support body of the travelling carriage has an at least guiding incline, this is made when the coupling is acted on by external force When travelling carriage is moved along the elongated slot, the clamping joint can be pushed against by the guiding incline and make the driving member along the first axle towards away from this The direction movement of photosensitive drums, makes the clamping joint of the driving member be connected together with the revolving force transfer part of the coupling.

In an embodiment, the driving member has further included one first spreader and has radially worn powder box described in the utility model Located at the axis, the gear is passed through with an axis hole for the axis of the driving member and two axial grooves are for the first of the driving member Stretch at the two ends of spreader.

In an embodiment, the driving member has further included one second spreader and has radially worn powder box described in the utility model Located at the axis away from the clamping joint one end, the powder box further includes the axis that a second spring is sheathed on the driving member, And sticked in the gear and second spreader with the two ends of the second spring.

Powder box described in the utility model in an embodiment, the cover piece have two chutes be located at the elongated slot both sides and It is parallel with the elongated slot, during there are the travelling carriage support body and two hook arms to be extended and stretched into two chute by the support body.

In an embodiment, the gear has a cup portion located at the interior of the photosensitive drums to powder box described in the utility model Portion and a ring gear are located at one end of the cup portion and are revealed in outside the photosensitive drums, and the cup portion supplies the travelling carriage, the office of the coupling The part in portion, first spring and the driving member is housed.

In an embodiment, the cup portion of the gear has a connected large-diameter portion and to powder box described in the utility model There is minor diameter part, the diameter with diameter greater than the minor diameter part of the large-diameter portion, minor diameter part an axis hole to be passed through for the driving member.

The utility model additionally provides a kind of electronic imaging apparatus, and above-mentioned powder box is provided with the electronic imaging apparatus, The electronic imaging apparatus have a driving head and a guide member by the driving head, when the coupling is not in contact with the guiding During part, first and second axis apart from one another by, when the coupling by the guide member push against when can be together with the travelling carriage along the elongated slot It is mobile, make first and second axis coaxle, and the travelling carriage drives the driving member to move axially and be connected together with the coupling And can rotate together, and the coupling is moved along the second axis by the pushing and pressing of the driving member towards the direction away from the photosensitive drums And be connected together with the driving head.

Thus, during the powder box group is entered electronic imaging apparatus by user, the coupling is by electronic imaging apparatus Component pushing and pressing and shift, just the coupling and the driving member can be connected together, and the coupling is filled by electronic imaging Can be rotated together with the driving member, the gear and the photosensitive drums when putting driving.

Brief description of the drawings

Fig. 1 is the stereogram of the powder box of the preferred embodiment of the utility model one.

Fig. 2 is the three-dimensional exploded view of the powder box of the preferred embodiment of the utility model one.

Fig. 3 is the partial perspective view of the powder box of the preferred embodiment of the utility model one.

Fig. 4 is the sectional perspective exploded view of the powder box of the preferred embodiment of the utility model one.

Fig. 5 is the partial sectional view of the powder box of the preferred embodiment of the utility model one.

Fig. 6 is the stereogram of the electronic imaging apparatus of the preferred embodiment of the utility model one.

Fig. 7 to 11 is that the powder box of the preferred embodiment of the utility model one is illustrated with the assembling flow path of electronic imaging apparatus Figure.

Figure 12 to 20 is that the powder box of the preferred embodiment of the utility model one is illustrated with the disengaging flow of electronic imaging apparatus Figure.

Wherein, reference：

1 powder box

11 shells

12 accommodation spaces

13 openings

15 photosensitive drums

2 electronic imaging apparatus

21 bodies

23 guide rails

25 driving heads

27 guide members

28 drive shafts

29 drive rib

30 cover pieces

31 lids

33 elongated slots

35 chutes

37 limiting sections

40 travelling carriages

41 support bodys

43 hook arm

45 perforation

46 connecting plates

47 side extending portion

48 leading slope parts

49 guiding inclines

50 couplings

51 revolving force acceptance divisions

52 axle portions

The post holes of 52a first

The post holes of 52b second

53 revolving force transfer parts

54 locating dowels

55 bodies

56 concavities

57 clip-connecting rods

57a breach

58 pin members

60 first springs

70 driving members

71 clamping joints

71a indentations

73 axis

The post holes of 73a the 3rd

The post holes of 73b the 4th

75 first spreaders

77 second spreaders

78 central indentations

80 gears

81 cup portion

82 large-diameter portions

83 ring gears

84 minor diameter parts

85 axis holes

87 axial grooves

90 second springs

L1 first axles

L2 second axis

Specific embodiment

The powder box 1 that Fig. 1~5 are the preferred embodiments of the utility model first is refer to, the powder box 1 includes a shell 11st, a photosensitive drums 15, a cover piece 30, a travelling carriage 40, a coupling 50, one first spring 60, a driving member 70, a gear 80 And a second spring 90.

There is an accommodation space 12 to be used to accommodating carbon dust for the inside of the shell 11, and one end of the shell 11 has an opening 13 connect the accommodation space 12.The photosensitive drums 15 are rotatably located in the accommodation space 12 of the shell 11 and with one First axle L1, the photosensitive drums 15 can rotate around first axle L1.

There is the cover piece 30 lid 31 to be located at the lid 31 and vertically should located at the opening 13 of the shell 11, an elongated slot 33 The direction of first axle L1 extends, two chutes 35 are located at the both sides of the elongated slot 33 and an and limiting section parallel with the elongated slot 33 Simultaneously extended by the inner vertical of lid 31 37 sides for being located at the elongated slot 33.

The travelling carriage 40 can slidably be located at the cover piece 30, in the present embodiment, the cunning along the bearing of trend of the elongated slot 33 Moving frame 40 there is a support body 41, two to hook arm 43 extended by the support body 41 and stretched into two chute 35 and a perforation 45 Positioned at the support body 41.There is the support body 41 connecting plate 46 to connect the two hook arm 43 with its two ends and be provided with the perforation 45, both sides Extending portion 47 by the connecting plate 46 two ends towards in contrast to this two hook arm 43 side extend and two leading slope parts 48 respectively by One end of the wherein one side extending portion 47 extends towards.The width of each leading slope part 48 is by the free end of respective side extending portion 47 towards another One end is gradually reduced, and forms a guiding incline 49 in the side of the leading slope part 48.

The coupling 50 can axially movably located at the travelling carriage 40 and through the elongated slot 33 of the cover piece 30, the coupling 50 And with a second axis L2 parallel to first axle L1, the coupling 50 can rotate around second axis L2.In this implementation In example, the coupling 50 includes a revolving force acceptance division 51, an axle portion 52 and is extended and worn by the revolving force acceptance division 51 Perforation 45, a revolving force transfer part 53 located at the elongated slot 33 and the travelling carriage 40 of the cover piece 30 are located at the axle portion 52 away from the rotation The one end and a locating dowel 54 for turning power acceptance division 51 are radially extended by the axle portion 52.The revolving force acceptance division 51 is included There are a tapered body 55, a concavity 56 to be located at side of the body 55 in contrast to the axle portion 52 and two clip-connecting rods 57 are extended and positioned at the both sides of concavity 56 by the body 55 in contrast to the side of the axle portion 52.The revolving force transfer part 53 is to be worn the axle portion 52 by the radial direction of a pin member 58 and formed.And the axle portion 52 has first, second post holes 52a, 52b is fixed for this Position post 54 and the pin member 58 wear.

First spring 60 is sheathed on the axle portion 52 of the coupling 50, and is sticked in this with the two ends of first spring 60 The connecting plate 46 of body 41 and the revolving force transfer part 53 (i.e. the pin member 58).Fig. 5 is refer to, first spring 60 bestows the pin member 58 1 towards the active force below drawing, and when the coupling 50 towards other external force above drawing by acting on, first spring 60 can be compressed.

The driving member 70 axially movably can extend located at the gear 80 and along first axle L1, and the driving member 70 is simultaneously wrapped The clamping of the selectivity of revolving force transfer part 53, an axis 73 is supplied to be extended by the clamping joint 71 with its one end containing a clamping joint 71 And go out, one first spreader 75 is radially arranged in the spreader 77 of axis 73 and 1 second to be radially arranged in the axis 73 remote From one end of the clamping joint 71.And there is the axis 73 the three, the 4th post holes 73a, 73b to supply first and second spreader 75,77 Wear, there is the clamping joint 71 central indentation 78 to be available for that the axle portion 52 of the coupling 50 is stretched into and two indentation 71a are located at The both sides of central indentation 78 and be available for the two ends of the pin member 58 of the coupling 50 to stretch into.Additionally, the both sides extending portion of the travelling carriage 40 47 spacing can house the clamping joint 71, and two leading slope part 48 is available for the clamping joint 71 to stick to.

Fig. 2,5 are refer to, the gear 80 is located at one end of the photosensitive drums 15 and can be rotated together with the photosensitive drums 15.Yu Ben In embodiment, the gear 80 has a cup portion 81 located at the inside of the photosensitive drums 15, a ring gear 83 located at one end of the cup portion 81 And be revealed in that the photosensitive drums 15 are outer, an axis hole 85 be located at the bottom side of cup portion 81 and for the driving member 70 axis 73 pass through, with And two axial groove 87 stretched into for the two ends of the first spreader 75 of the driving member 70.The cup portion 81 is for the travelling carriage 40, the coupling The part of part 50, first spring 60 are housed with the part of the driving member 70.In the present embodiment, the cup portion 81 has what is be connected One large-diameter portion 82 and a minor diameter part 84, the diameter with diameter greater than the minor diameter part 84 of the large-diameter portion 82, and the minor diameter part 84 have The axis hole 85 is passed through for the driving member 70.First spreader 75 of the driving member 70 can be moved along the direction of two axial groove 87.This Outward, when the clamping joint 71 of the driving member 70 is acted on by external force and rotates the driving member 70, first spreader 75 can push against this The lateral margin of two axial grooves 87, so as to drive the gear 80 to be rotated together with the photosensitive drums 15.

The second spring 90 is sheathed on the axis 73 of the driving member 70, and is sticked in the tooth with the two ends of the second spring 90 The bottom side of minor diameter part 84 of wheel 80 and second spreader 77.Fig. 5 is refer to, the second spring 90 bestows second spreader 77 1 towards figure Active force below face, and when the driving member 70 is by towards other external force above drawing, the second spring 90 can be compressed.

Fig. 6 is refer to, the powder box 1 can be installed in an electronic imaging apparatus 2 (e.g. printer, duplicator etc.). The electronic imaging apparatus 2 simultaneously there is a body 21, a guide rail 23 to be located at the guide rail located at the medial surface of body 21, a driving head 25 23 lower sections and be available for the coupling 50 the clamping of revolving force acceptance division 51 and a guide member 27 located at the side of driving head 25 and can Body 55 for the revolving force acceptance division 51 of the coupling 50 is sticked to.Fig. 7 is refer to, the driving head 25 can with a drive shaft 28 It is rotatably arranged in the body 21 and can stretches into the concavity 56 of the coupling 50 and two drive ribs 29 by the drive shaft 28 Extend opposite to each other and two clip-connecting rods 57 for the coupling 50 are sticked to.

Fig. 5 is refer to, before the not yet group of powder box 1 enters the electronic imaging apparatus 2,50 groups enter this due to the coupling The locating dowel 54 necessary parallel elongated slot 33 during cover piece 30 so that between the locating dowel 54 and two clip-connecting rods 57 of the coupling 50 Breach 57a be roughly parallel to the elongated slot 33 of the cover piece 30.Fig. 5,6 are refer to, the powder box 1 is with its cover piece 30 along the guide rail 23 To being slipped into the electronic imaging apparatus 2.Collocation Fig. 7~11 are continued explanation assembling flow path below.

Fig. 7,8 are refer to, the powder box 1 is to enter direction A groups along one group to enter the electronic imaging apparatus 2, and in the coupling Before 50 revolving force acceptance division 51 not yet touches the guide member 27, the breach between two clip-connecting rods 57 of the coupling 50 57a is roughly parallel to the group and enters direction A and the driving head 25 can be made to enter direction A by breach 57a along the group.That is, Now, the driving head 25 will not touch the revolving force acceptance division 51 of the coupling 50.Additionally, when the revolving force of the coupling 50 When acceptance division 51 is by external force effect (that is, not in contact with to the guide member 27), first and second axis L1, L2 apart from one another by.

Fig. 9,10 are refer to, when the revolving force acceptance division 51 of the coupling 50 touches the guide member 27, the coupling 50 are pushed against by the guide member 27, and when the powder box 1 enters direction A movements continuously along the group, the coupling 50 is hindered by the guide member 27 Keep off and direction A cannot be entered along the group and moved.Now, the axle portion 52 of the coupling 50 pushes against the support body 41 of the travelling carriage 40, the coupling Fitting 50 is moved relative to the cover piece 30 together with the travelling carriage 40 along the elongated slot 33.Additionally, being contacted in the clamping joint 71 To after two leading slope parts 48 of the travelling carriage 40, the clamping joint 71 will receive two leading slope part 48 with the movement of the powder box 1 Guiding incline 49 is pushed against, and makes the adjustable shelf 40 drive the driving member 70 along first axle L1 towards the direction away from the photosensitive drums 15 Move, and finally make the clamping joint 71 be connected together with the revolving force transfer part 53 of the coupling 50, now the coupling 50 Axle portion 52 stretch into the central indentation 78 of the clamping joint 71, and the pin member 58 of the coupling 50 then stretches into the notch of the clamping joint 71 Portion 71a, and make first and second axis L1, L2 is coaxial.Additionally, the coupling 50 by the driving member 70 pushing and pressing and along this second Axis L2 is connected together towards the direction movement away from the photosensitive drums 15 and with the driving head 25, and makes second axis L2 and be somebody's turn to do The axle center of drive shaft 28 is coaxial (as shown in Figure 10).

Figure 10,11 are refer to, when the driving head 25, the coupling 50 and the coaxial driving member 70, the driving head 25 Two driving ribs 29 just can be connected with the clip-connecting rod 57 of the coupling 50 and drive the coupling 50 to rotate, and make the driving member 70, The gear 80 and the photosensitive drums 15 rotate together, that is, complete assembling flow path.Now, the coupling 50 is bestowed by first spring 60 Active force and compress the driving member 70, and active force that the driving member 70 is bestowed by the second spring 90 simultaneously and the coupling Part 50 is compressed, so that the bottom of the clamping joint 71 compresses the top of two leading slope part 48, and first and second spring 60,90 one-tenth pressures Contracting state.

Thus, as long as the powder box 1 is entered direction A groups by user along the group enters the electronic imaging apparatus 2, just can be by this Guide member 27 pushes against the coupling 50, so as to drive the travelling carriage 40 and driving member 70, you can allow the driving head 25, the coupling 50th, the driving member 70, the gear 80 and the photosensitive drums 15 are coaxial and can rotate together.

On the other hand, will arrange in pairs or groups disengaging flow of Figure 12~20 explanation powder box 1 with electronic imaging apparatus 2 below.Please join According to Figure 12~13, when the powder box 1 is moved along the off-direction E for entering in contrast to the group direction A, the pin member of the coupling 50 58 are pushed against by the inclined-plane of the indentation 71a of the clamping joint 71, and make the coupling 50 photosensitive away from this along second axis L2 courts Move and push up to the driving head 25 in the direction of drum 15.Now, the coupling 50 is also bestowed towards this by first spring 60 The active force of the photosensitive drums 15 and revolving force acceptance division 51 is still connected in the driving head 25, therefore the coupling 50 will not be relative to this Electronic imaging apparatus 2 are moved, but the coupling 50 is moved along the elongated slot 33 together with the travelling carriage 40 relative to the cover piece 30 It is dynamic.

Figure 14~18 are refer to, during the coupling 50 is moved relative to the cover piece 30, the coupling 50 is determined Position post 54 is pushed against by the limiting section 37 of the cover piece 30 and makes the rotate counterclockwise of coupling 50 (being looked down by the 14th figure top), most The breach 57a that the coupling 50 is rotated to two clip-connecting rod 57 eventually is approximately towards off-direction E.Additionally, the driving member After 70 top sides of leading slope part 48 for departing from the travelling carriage 40 with the relative movement of the travelling carriage 40, the coupling 50 by this The active force of one spring 60 and moved towards the photosensitive drums 15 along second axis L2, and the driving member 70 is by the second spring 90 The pushing and pressing of active force and the coupling 50 and moved towards the photosensitive drums 15 along first axle L1.

Figure 19~20 are refer to, the revolving force acceptance division 51 of the coupling 50 departs from the driving head 25 towards the photosensitive drums 15 Two driving ribs 29 after, the powder box 1 just can continue towards off-direction E move, so as to depart from the electronic imaging apparatus 2.

Thus, as long as user moves the powder box 1 along off-direction E, just successfully the coupling 50 can be taken off From the driving head 25, the travelling carriage 40, the coupling 50 and the driving member 70 can also recover to group enter the electronic imaging apparatus 2 it Preceding state, the electronic imaging apparatus are set into after changing component or addition carbon dust with convenient use person by the powder box 1 again 2。

It should be noted that, based on spirit of the present utility model, the structure of the powder box 1 can be changed.For example, the coupling The locating dowel 54 of part 50 and the pin member 58 can be integrally formed with the axle portion 52；The coupling 50 can not have the locating dowel 54, and The cover piece 30 can not have a limiting section 37, but user need to pre-adjust this before 1 group of the powder box is entered into electronic imaging apparatus 2 The angle of coupling 50；The revolving force acceptance division 51 is not limited to the structure of taper body 55 and concavity 56, as long as can be with The driving head 25 is combined, and the body 55 can also be changed and adjusted with the shape of the guide member 27；The revolving force transfer part 53 The structure that the pin member 58 is arranged in the axle portion 52 is not limited to, as long as can be with the clamping of clamping joint 71 of the driving member 70；Should The two hook replaceable structures that two chute 35 can be slidedly arranged on into other of arm 43 of travelling carriage 40；Two leading slope part of the travelling carriage 40 48 can extend towards and be combined as a whole；First, second spreader 75,77 of the driving member 70 can be integrally formed with the axis 73； Second spreader 77 is replaceable into the plate (not shown) worn for the axis 73, or other are available for the second spring 90 to support Structure；The powder box 1 can be not provided with the second spring 90；As long as the gear 80 can be combined with the photosensitive drums 15 and can be somebody's turn to do The cup portion 81 of the structure that driving member 70 drives and rotates, such as gear 80 can be taper or only have large-diameter portion 82, The length of right second spreader 77 needs appropriateness adjustment can stretch into two axial groove 87.

Certainly, the utility model can also have other various embodiments, spiritual and its essence without departing substantially from the utility model In the case of, those of ordinary skill in the art can make various corresponding changes and deformation, but these phases according to the utility model The change and deformation answered should all belong to the utility model scope of the claims.

Claims (15)

1. a kind of powder box, it is characterised in that the powder box includes：

One shell, one end that inside has an accommodation space, the shell has the open communication accommodation space with the external world；

One photosensitive drums, are located in the accommodation space of the shell and with a first axle；

One cover piece, located at the opening of the shell and with an elongated slot；

One travelling carriage, can slidably be located at the cover piece along the bearing of trend of the elongated slot；

One coupling, can axially movably located at the travelling carriage and through the elongated slot of the cover piece, and the coupling has one second axle Line is parallel to the first axle；

One gear, can rotate located at one end of the photosensitive drums and together with the photosensitive drums；And

One driving member, axially movably can extend located at the gear and along the first axle, and the driving member can be together with the gear Rotation；

When the coupling is not acted on by external force, first and second axis is apart from one another by the energy when the coupling is acted on by external force Moved along the elongated slot together with the travelling carriage, make first and second axis coaxle, and the travelling carriage drives the driving member to move axially And be connected together with the coupling and can rotated together, and the coupling by the driving member pushing and pressing and along the second axis court Away from the direction movement of the photosensitive drums.

2. powder box as claimed in claim 1, it is characterised in that the coupling includes a revolving force acceptance division, an axle portion Extended by the revolving force acceptance division and a revolving force transfer part is located at the axle portion away from the one of the revolving force acceptance division End.

3. powder box as claimed in claim 2, it is characterised in that there is the travelling carriage support body and a perforation to be located at should The support body and axle portion for the coupling is passed through.

4. powder box as claimed in claim 3, it is characterised in that further include axle of one first spring housing located at the coupling Portion, and stick to the support body and the revolving force transfer part in the travelling carriage with the two ends of first spring.

5. powder box as claimed in claim 2, it is characterised in that the coupling has further included a locating dowel by the axle portion radially Extend.

6. powder box as claimed in claim 5, it is characterised in that there is the cover piece limiting section to be located at the side of the elongated slot.

7. powder box as claimed in claim 2, it is characterised in that it is tapered that the revolving force acceptance division of the coupling includes Body, a concavity be located at the body in contrast to the side of the axle portion and two clip-connecting rods by the body in contrast to the axle Extend and positioned at the concavity both sides side in portion.

8. powder box as claimed in claim 2, it is characterised in that the revolving force transfer part of the coupling be by a pin member radially Wear the axle portion and formed.

9. powder box as claimed in claim 2, it is characterised in that the driving member include a clamping joint and an axis by The clamping joint extends, and the support body of the travelling carriage has an at least guiding incline, and the cunning is made when the coupling is acted on by external force When moving frame is moved along the elongated slot, the clamping joint can be pushed against by the guiding incline and make the driving member along the first axle towards away from the sense The direction movement of light drum, makes the clamping joint of the driving member be connected together with the revolving force transfer part of the coupling.

10. powder box as claimed in claim 9, it is characterised in that the driving member has further included one first spreader and radially worn Located at the axis, the gear is passed through with an axis hole for the axis of the driving member and two axial grooves are for the first of the driving member Stretch at the two ends of spreader.

11. powder boxs as claimed in claim 9, it is characterised in that the driving member has further included one second spreader and radially worn Located at the axis away from the clamping joint one end, the powder box further includes the axis that a second spring is sheathed on the driving member, And sticked in the gear and second spreader with the two ends of the second spring.

12. powder boxs as claimed in claim 1, it is characterised in that the cover piece have two chutes be located at the elongated slot both sides and It is parallel with the elongated slot, during there are the travelling carriage support body and two hook arms to be extended and stretched into two chute by the support body.

13. powder boxs as claimed in claim 4, it is characterised in that the gear have a cup portion located at the photosensitive drums inside, And one ring gear located at the cup portion one end and be revealed in outside the photosensitive drums, the cup portion for the travelling carriage, the part of the coupling, First spring is housed with the part of the driving member.

14. powder boxs as claimed in claim 13, it is characterised in that the cup portion of the gear has a connected large-diameter portion and There is minor diameter part, the diameter with diameter greater than the minor diameter part of the large-diameter portion, minor diameter part an axis hole to be passed through for the driving member.

15. a kind of electronic imaging apparatus, it is characterised in that ink powder as claimed in claim 1 is provided with the electronic imaging apparatus Box, the electronic imaging apparatus have a driving head and a guide member by the driving head, when the coupling is led not in contact with this When drawing part, first and second axis apart from one another by, when the coupling by the guide member push against when can be together with the travelling carriage along the length Groove is moved, and makes first and second axis coaxle, and the travelling carriage drives the driving member to move axially and be connected to one with the coupling Rise and can rotate together, and the coupling is moved along the second axis by the pushing and pressing of the driving member towards the direction away from the photosensitive drums Move and be connected together with the driving head.