A kind of drive component of cartridge
Technical field
The present invention relates to the drive component of image forming apparatus, more particularly to a kind of drive component of cartridge.
Background technology
Currently on the market, a kind of for integral type there are mainly two types of cartridge drive components, another is split type
, and the drive component of both forms, the function of being realized all are that the driving force on machine is transferred to the work of cartridge
On gear, to realize print job, since structure relatively easy is commonly used for the drive component of integral type.
Patent publication No. is the patent of invention of CN101595433A, and disclosing a kind of can be used for electrophotographic image forming
Developing apparatus can be moved along the axis direction generally perpendicular direction with drive shaft comprising for transmitting rotary force
To the coupling member of developer roll, coupling member is at following position:Rotary force for transmitting rotary force transmits Angle Position;
Angle Position Angle Position is combined in advance, and coupling member is inclined away from rotary force and transmits Angle Position at this time;And it is detached from Angle Position, couple structure
This position is in when part is detached from drive shaft, coupling member is inclined away from rotation along with the pre- direction opposite in conjunction with Angle Position at this time
Power transmits Angle Position;Wherein, in response to the movement of developing apparatus, coupling member is moved to and drive shaft phase from pre- in conjunction with Angle Position
To rotary force transmit Angle Position, wherein when movable member further moves in the same direction, coupling member is by from rotation
Turn power transmission Angle Position to be moved to disengaging Angle Position and be detached from drive shaft.And the defect of the disclosed invention technology is:It incite somebody to action this
Invention is used for printer, and in print job, the coupling member for transmitting rotating force to developer roll be easy to cause rotary force
The stuck phenomenon of transferring element, influences to print, or even damage printer, simultaneously as rotational force transmitting part is a kind of easily consumption
Product, it is the rotational force transmitting part of integral type no doubt to use structure, reduces the replaceability of the component, improves maintenance cost.
Invention content
In view of the deficiencies of the prior art, the purpose of the present invention is to provide a kind of drive component of split type cartridge,
Install convenient, stabilized structure, the stability for transmitting power is high, effectively prevent stuck phenomenon occur when work, improves the driving group
The replaceability of part reduces maintenance cost.
The technical solution adopted in the present invention is:
A kind of drive component of cartridge, in dismountable installation to the image forming apparatus with driving head, the drive
Dynamic component includes main part, has axis and can be rotated around the axis, power drive pawl, is mounted in the main part, institute
Stating power drive pawl can move along a straight line and can be along the approximate circumferencial direction of the main part in the end straight trough of the main part
It swings, cylindrical element, set on the end of the main part and can receive the driving force from the power drive pawl to realize along institute
State the axis rotation on main part, control assembly, the movement for controlling the power drive pawl, on the power drive pawl
Equipped with a protruding portion, the direction distance that moves along a straight line of the protruding portion is D1, and the power drive pawl is at the end of main part
Linear motion distance is more than the width D 2 of the protruding portion in portion's straight trough, the main part include mounting groove, the first limiting section and
Second limiting section, first limiting section are set to the top of the mounting groove, and second limiting section is set to the installation
The lower part of slot, is equipped with elastomeric element between the control assembly and main part, and the elastomeric element may make the control group
Part stretches on the axis direction of the main part.
Preferably, the main part further includes reset spring part protrusion, the reset spring part protrusion is symmetrically disposed on described
The top of first limiting section, is equipped with reset spring part in the reset spring part protrusion, and one of the reset spring part is connected to institute
State the side of power drive pawl.
Preferably, the power drive pawl includes integrally formed montant and slide, the slide is set to the peace
On tankage, the slide is equipped with the first limited post and inclined-plane, and first limited post is located on second limiting section.
Preferably, being equipped with the inclined thrust surface with the slopes which match on the slide in control assembly.
Preferably, the power drive pawl includes the first rotating bar and the first sliding block, first rotating bar hinged the
One sliding block, first sliding block are set on the mounting groove, and the second limited post and skewback, institute are equipped on first sliding block
The second limited post is stated to be located on second limiting section.
Preferably, the accommodation space that can house the skewback on first sliding block is equipped in control assembly, and it is described
The ramp and lower inclined plane of skewback are fitted closely with the control assembly.
Preferably, the power drive pawl includes the second rotating bar and the second sliding block, second rotating bar hinged the
Two sliding blocks, second sliding block are set on the mounting groove, and the guide groove of perforation is equipped on second sliding block.
Preferably, being equipped with symmetrical brace in control assembly, the brace is slidably connected with the guide groove, in institute
The end for stating brace is equipped with brace spacer pin.
Preferably, being additionally provided with the bar shaped limit hole of perforation on the main part, set in the end of the control assembly
There are location hole, the bar shaped limit hole to be connect by bolt with the location hole.
Preferably, being additionally provided with the location structure of installation carbon dust box support on the main part.
The beneficial effects of the present invention are:
This case includes three kinds of embodiments, wherein:
Controllable linear motion of the power drive pawl on main part of control assembly in (1) three kind of embodiment, makes
Power drive pawl is in gathering or open configuration, realizes installation or takes machine, and the transitivity of stable structure, power is good, when can prevent rotation
There is stuck phenomenon;
(2) activity space when being supplied to people to take machine due to printer is more narrow, no doubt the power drive in this case
Pawl can also be swung, convenient for taking machine in open configuration along the approximate circumferencial direction of main part.
Description of the drawings
Fig. 1 is the sectional view of installation state in the embodiment of the present invention one;
Fig. 2 is the sectional view that machine state is taken in the embodiment of the present invention one;
Fig. 3 is the stereogram exploded view of the embodiment of the present invention one;
Fig. 4 is the sectional view of installation state in the embodiment of the present invention two;
Fig. 5 is the sectional view that machine state is taken in the embodiment of the present invention two;
Fig. 6 is the stereogram exploded view of the embodiment of the present invention two;
Fig. 7 is the sectional view of installation state in the embodiment of the present invention three;
Fig. 8 is three kinds of sectional views for taking machine state of the embodiment of the present invention;
Fig. 9 is the stereogram exploded view of the embodiment of the present invention three;
Figure 10 is to install and take machine process schematic in the embodiment of the present invention one;
Figure 11 is to install and take machine process schematic in the embodiment of the present invention two;
Figure 12 is to install and take machine process schematic in the embodiment of the present invention three;
Figure 13 is a kind of installation process side view of the drive component of cartridge of the present invention;
Figure 14 is a kind of installation diagram that the drive component of cartridge is connect with cartridge of the present invention.
Drawing reference numeral explanation:Main part 1;Mounting groove 11;First limiting section 12;Second limiting section 13;Reset spring part protrusion
14;Reset spring part 141;Bar shaped limit hole 15;Power drive pawl 2;Protruding portion 20;Montant 21;Slide 22;First limited post 221;
Inclined-plane 222;Recess portion 223;First rotating bar 23;First sliding block 24;Second limited post 241;Skewback 242;Card slot 243;Pin
244;Second rotating bar 25;Second sliding block 26;Guide groove 261;Cylindrical element 3;Control assembly 4;Inclined thrust surface 41;Accommodation space 42;
Bearing 421;Trapezoid seat 422;Location hole 44;Brace 43;Brace spacer pin 431;Elastomeric element 5;Location structure 6.
Specific implementation mode
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
As shown in the picture, a kind of drive component of cartridge of the present invention, dismountable installation to the image with driving head
In forming apparatus, the driving component includes main part 1, and the main part 1 has axis and can be rotated around the axis;Power
Driving claw 2 is mounted in the main part 1, and the power drive pawl 2 can be transported straight line in the end straight trough of the main part 1
It moves and can be swung along the approximate circumferencial direction of the main part 1;Cylindrical element 3 set on the end of the main part 1 and can receive
From the driving force of the power drive pawl 2 to realize that the axis on the main part 1 rotates;Control assembly 4, for controlling
State the movement of power drive pawl 2;A protruding portion 20 is equipped on the power drive pawl 2, the protruding portion 20 is transported along straight line
Dynamic direction distance is D1, and the power drive pawl 2 moves along a straight line distance more than the protrusion in the end straight trough of main part 1
The width D 2 in portion 20;The main part 1 includes mounting groove 11, the first limiting section 12 and the second limiting section 13, first limit
Portion 12 is set to the top of the mounting groove 11, and first limiting section 12 up moves and peace for limiting power drive pawl 2
Tankage 11 is detached from, and second limiting section 13 is set to the lower part of the mounting groove 11, and second limiting section 13 limits power
Sliding distance of the driving claw 2 on mounting groove 11, prevents it from skidding off outside mounting groove 11;In the control assembly 4 and main part 1
Between be equipped with elastomeric element 5, the elastomeric element 5 may make the control assembly 4 to be stretched on the axis direction of the main part 1
Contracting.
This case includes that there are three types of example schemes, described in detail below:
Embodiment one, as shown in Figure 1 to Figure 3, the main part 1 further include having reset spring part protrusion 14, the reset bullet
Part protrusion 14 is symmetrically disposed on the top of first limiting section 12, and reset spring part is equipped in the reset spring part protrusion 14
141, a side for being connected to the power drive pawl 2 of the reset spring part 141, under 141 reset state of reset spring part,
The reset spring part 141 is pushed the power drive pawl 2 toward the end of the second limiting section 13 by the elastic force of itself.It is described dynamic
Power drive pawl 2 includes integrally formed montant 21 and slide 22, and the slide 22 is set on the mounting groove 11, the slide
22 are equipped with the first limited post 221 and inclined-plane 222, and first limited post 221 is located on second limiting section 13.In control group
Part 4 is equipped with the inclined thrust surface 41 to match with the inclined-plane 222 on the slide 22.
In conjunction with Fig. 1 and Figure 10, when installation, control assembly 4 is pressed toward 5 direction of elastomeric element by the power of head machine, control
Inclined thrust surface 41 on component drives the slide 22 to be drawn close toward 11 center of mounting groove, and the power drive pawl 2 is locked with head machine,
Realize rotation.
In conjunction with Fig. 2 and Figure 10, when taking machine, head machine is detached with control assembly 4, elastomeric element 5 will be controlled by elastic force
While component 4 ejects outward, reset spring part 141 is also by reset itself elastic force by power drive pawl 2 toward the two of mounting groove 11
End pushes so that the screens of head machine is detached with power drive pawl 2, takes machine in order to more convenient, the slide 22 in this case and montant
A recess portion 223 is additionally provided between 21, when the power drive pawl 2 is pushed to the limit of the second limiting section 13 by reset spring part 141
When position, the recess portion 223 combines the shape cooperation of mounting groove 11 that power drive pawl 2 can be achieved and swings certain angle, i.e., described
Recess portion 223 is embedded in the one end of the mounting groove 11 so that takes machine more convenient.
Embodiment two, as shown in Figures 4 to 6, the power drive pawl 2 include the first rotating bar 23 and the first sliding block 24,
First rotating bar 23 is hinged the first sliding block 24, and first sliding block 24 is equipped with a card slot 243 and is rotated for holding first
Bar 23 is connected between first rotating bar, 23 and first sliding block 24 so that the first rotating bar 23 can be described by pin 244
Card slot 243 rotates, and first sliding block 24 is set on the mounting groove 11, and the second limit is equipped on first sliding block 24
Column 241 and skewback 242, second limited post 241 are located on second limiting section 13.Being equipped in control assembly 4 can hold
The accommodation space 42 of the skewback 242 on first sliding block 24 is set, the accommodation space 42 is by with bevelled bearing 421 and ladder
Shape seat 422 forms, and the trapezoid seat 422 is set to the lower part of bearing 421, and the ramp of the skewback 242 and lower inclined plane are equal
The even control assembly 4 fits closely, i.e. the ramp of the skewback 242 is bonded with the inclined-plane on bearing 421, the skewback
242 lower inclined plane is bonded with the inclined-plane of trapezoid seat 422.
In conjunction with Fig. 4 and Figure 11, when the present embodiment is installed, when head machine presses bearing 421 toward 5 direction of elastomeric element, profit
With the characteristic of accommodation space 42 and skewback 242, bearing 421 squeezes skewback 242, so that skewback 242 is placed in accommodation space 42, together
Shi Shixian collapses power drive pawl 2 toward center, locks head machine.
In conjunction with Fig. 5 and Figure 11, when taking machine, head machine is detached with control assembly 4, elastomeric element 5 by trapezoid seat 422 outward
Ejection, when inclined-plane outward movment on trapezoid seat 422, in conjunction with the lower inclined plane of skewback 242, by power drive pawl 2 toward mounting groove 11
Both ends push, realization takes machine, and in the present embodiment, since the first rotating bar 23 is rotatable, no doubt when power drive pawl 2
When sliding into the end of mounting groove 11, by rotating the first rotating bar 23, swing can be realized in conjunction with the shape of mounting groove 11
Certain angle so that take machine more convenient.
In the embodiment one and embodiment two of this case, control assembly 4 pops up under the elastic force of elastomeric element 5 in order to prevent
Outside is detached with main part 1, Gu the bar shaped limit hole 15 of perforation is additionally provided on the main part 1, in the control assembly 4
End be equipped with location hole 44, the bar shaped limit hole 15 connect by bolt with the location hole 44 to limit control assembly 4
Sliding distance on main part 1.
Embodiment three, as shown in Figure 7 to 9, the power drive pawl 2 include the second rotating bar 25 and the second sliding block 26,
Second rotating bar 25 is hinged the second sliding block 26, and the clamping groove that second sliding block 26 is equipped with the second rotating bar of holding 25 makes
Second rotating bar 25 can swing certain angle on clamping groove, and second sliding block 26 is set to the mounting groove 11
On, the guide groove 261 of perforation is equipped on second sliding block 26.Symmetrical brace 43 is equipped in control assembly 4, it is described oblique
Bar 43 is slidably connected with the guide groove 261, and brace spacer pin 431, the guide groove 261 are equipped in the end of the brace 43
It is equipped with pin hole, when the brace spacer pin 431 slides into the pin hole on guide groove 261, the bullet part on brace spacer pin 431
Brace spacer pin 431 is popped up, the pin hole on guide groove 261 is sticked into, to prevent elastomeric element 5 from control assembly 4 is popped up outside,
It is detached with the main part 1.
In conjunction with Fig. 7 and Figure 12, when the present embodiment is installed, head machine squeezes control assembly 4 toward 5 direction of elastomeric element, moves
The direction sliding that power drive pawl 2 is drawn close with brace 43 toward center, when power drive pawl 2 locks head machine, on brace 43
Brace spacer pin 431 just matches with the dowel hole on main part 1, and brace spacer pin 431 enters dowel hole, makes control
Component 4 is fixed on main part 1, and when preventing machine from rotating, head machine is detached from power drive pawl 2.
In conjunction with Fig. 8 and Figure 12, when taking machine, head machine is detached with control assembly 4, elastomeric element 5 by control assembly 4 outward
Ejection, while brace 43 pushes power drive pawl 2 toward 11 both ends of mounting groove, until brace spacer pin 431 slides into guide groove
Pin hole on 261, you can completion takes machine, takes machine, the present embodiment and the power drive pawl 2 of embodiment two equally may be used in order to more convenient
It completes to swing in 11 end of mounting groove, principle is identical as embodiment two.
In the present invention, the location structure 6 of installation carbon dust box support, the location structure 6 are additionally provided on the main part 1
One be connected on carbon dust box support, another is equipped with the turn of bilge that matches with 1 outside positioning protrusion of main part.
As shown in figure 13, it is the side view of installation process of the present invention, it is known that when installation, power drive pawl 2 remains straight
Line moves, and until locking head machine, the structural stability is high, and can prevent phenomenon stuck when work from occurring.
As shown in figure 14, the drive component of cartridge plays the role of a vital position in printer work,
And drive component is as a kind of easily-consumed products, the use value for improving drive component be also the major issue to be solved in this case it
One.
The transmission stability of the invention, stabilized structure, power is good, and phenomenon stuck when print job is effectively prevent to occur.
It is aobvious for those skilled in the art by the disclosure although the present invention is described in detail with reference to above example
And be clear to, it, can be to this in the case where not departing from the principle of the present invention and scope that the claim limits
Invention makes a variety of changes or changes.Therefore, the detailed description of the embodiment of the present disclosure is only used for explaining, rather than for limiting this
Invention, but it is defined by the subject-matter of the claims the range of protection.