CN104597733B - Rotate force transfer unit, photosensitive drums and handle box - Google Patents
Rotate force transfer unit, photosensitive drums and handle box Download PDFInfo
- Publication number
- CN104597733B CN104597733B CN201510085436.XA CN201510085436A CN104597733B CN 104597733 B CN104597733 B CN 104597733B CN 201510085436 A CN201510085436 A CN 201510085436A CN 104597733 B CN104597733 B CN 104597733B
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- guide rod
- rotary force
- axial
- arm
- groove
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/75—Details relating to xerographic drum, band or plate, e.g. replacing, testing
- G03G15/757—Drive mechanisms for photosensitive medium, e.g. gears
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
- G03G21/1839—Means for handling the process cartridge in the apparatus body
- G03G21/1857—Means for handling the process cartridge in the apparatus body for transmitting mechanical drive power to the process cartridge, drive mechanisms, gears, couplings, braking mechanisms
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Electrophotography Configuration And Component (AREA)
Abstract
The photosensitive drums and handle box of component parts are used as the present invention relates to rotation force transfer unit and using the rotation force transfer unit.Wherein, rotation force transfer unit includes drum gear, rotational force transmitting part, elastomeric element and axial limiting component；Rotational force transmitting part includes guide rod and the rotary force receiving division on one axial end of guide rod, rotary force receiving division stretching out respectively formed with a rotary force receiving arm back to the groove for running through rotary force receiving division in the outer end wall of guide rod formed with the lateral arrangement along guide rod, the outer end wall of the both sides of the groove along the axial of guide rod back to guide rod.Its groove is penetrated through since driving force receiving division is equipped with one, improves the handle box with the rotation force transfer unit and is falling machine and the smoothness of process is pulled down from host.
Description
Technical field
The present invention relates to for receiving the rotary force from laser printer host driven axis and passing to rotary part
Force transfer unit is rotated, and the photosensitive drums and handle box of component parts are used as using the rotation force transfer unit.
Background technology
Laser printer is a kind of equipment image being formed at using electrofax principle on print media such as paper, is led to
Often it is made of host and the handle box being removably installed on host；Wherein, handle box has box body, forms electrostatic latent image
With the developer roll for the electrostatic latent image that develops, photosensitive drums and the rotatable twelve Earthly Branches of developer roll in photosensitive drums and offer developer to photosensitive drums
Hold between the end walls of box body.Photosensitive drums have drum barrel and are installed on the rotation force transfer unit of an axial end of drum barrel,
Drum barrel is usually made of aluminum pipe and the photosensitive material layer being coated on outside aluminum pipe.When handle box is installed to host, rotary force passes
Pass component should be easy to the drive shaft electrical connection on host, by the rotary force of drive shaft pass to drum barrel and other rotation
Component, so as to ensure photosensitive drums and the normal work of other rotary parts；, it is necessary to will place after the carbon dust in handle box exhausts
Reason box is pulled down from host, and more to renew handle box, during handle box is pulled down, rotation force transfer unit is in outer power
It should be easy to depart from drive shaft under effect to be coupled.
Publication No. is to disclose a kind of handle box in the Chinese patent literature of CN102067042A, it rotates force transfer unit
For a connector with sphere type universal joint.During the cartridge enters host and is pulled down from host, due to
The effect of sphere type universal joint, the axis of connector can fold an angle or coaxial with the axis of photosensitive drums, easy to rotary force
Transmitting assembly is coupled with being coupled for drive shaft with departing from；It is special but this sphere type universal joint easily produces undesirable separation
It is not in transportational process, this phenomenon is easier to occur, and causes the transmission function of connector to lose.
As the improvement to CN102067042A public technology schemes, the applicant is October 30 in 2013 in publication date
Day, publication No. is that a kind of torque transmission is disclosed in the Chinese invention patent application of CN103376696A, i.e. rotary force passes
Pass component.
As shown in Figure 1, the torque transmission 01 is by rotational force transmitting part 011, axial limiting component 012, drum gear
013 and spring 014 form, formed with the open accommodating chamber 0131 on 013 1 axial end of drum gear, drum on drum gear 013
Formed with the pilot hole 0133 connected with accommodating chamber 0131 on another axial end of gear 013.When handle box is mounted to printing
When on machine host, the rotary force applying unit of the drive shaft 02 on host will connect with the rotary force of rotational force transmitting part 011
Receipts portion is coupled.
As shown in Fig. 2, rotary force applying unit is two edges being formed on 02 end of drive shaft perpendicular to 02 axis of drive shaft
Apply arm 021 to the columnar rotary force of extension, two rotary forces apply axis centre symmetrical cloth of the arm 021 on drive shaft 02
Put；Rotational force transmitting part 011 is formed by guide rod 0112 and positioned at the rotary force receiving division 0111 of 0,112 1 axial ends of guide rod,
Rotary force receiving division 0111 is more than guide rod 0112 along the lateral dimension of guide rod 0112；The lateral external wall of guide rod 0112 is equipped with a pair
The output arm 01121 transversely to extend outwardly；In rotary force receiving division 0111 along guide rod 0112 axially back to guide rod 0112
In outer end wall, in position of the outer end wall along 0112 lateral run-out outer end wall center of guide rod, equipped with a pair along the axial court of guide rod 0112
The rotary force receiving arm 01111 that outer lug is formed, rotary force receiving division 0111 are outer between two rotary force receiving arms 01111
The axial direction of end wall along guide rod 0112 is recessed a dome shape shrinkage pool 01112.013 substantially cylindrical of drum gear, in accommodating chamber
0131 is equipped with a pair of input arm 0132 towards the extension of its radial center parallel to the axial inner wall of drum gear 013, in drum gear
In 013 circumferential direction, output arm 01121 at the position of input arm 0132 with 0132 abutting contact of input arm.Guide rod 0112 is another
A axial end sequentially passes through the through hole being formed on axial limiting component 012, and spring 014, accommodating chamber 0131 reach gap therewith
The pilot hole 0133 of cooperation；The open end of axial limiting component 012 and accommodating chamber 0131 coordinates and forms rotary force receiving division
0111 away from the spacing of drum gear 013.One end of spring 014 is resisted against output arm 01121 away from rotary force receiving division 0111
On side, the other end is resisted against on the bottom inner side of accommodating chamber 0131.
For being used for transmitting the sphere type universal joint of rotary force in technical solution disclosed in CN102067042A easily from drum
The problem of departing from gear, the moment of torsion receiving unit that CN103376696A is provided will be formed in leading using axial limiting component 012
Output arm 01121 on bar 0112 is limited in accommodating chamber 0131, rotational force transmitting part 011 is also fixed in drum gear
On 013.This make avoids rotational force transmitting part 011 and 013 separated risk of drum gear, so as to ensure entirely to turn round
Square receiving unit has good reliability and stability when transmitting rotary force.
However, the handle box with the moment of torsion receiving unit can not be swimmingly by handle box in actual use process presence
The problem of loading laser printing machine host and handle box can not be swimmingly pulled down from host.
The content of the invention
The main object of the present invention is to provide a kind of improved rotation force transfer unit, it is intended to which improving, there is the rotary force to pass
The handle box for passing component is falling machine and the smoothness of process is pulled down from host；
It is a further object of the present invention to provide a kind of photosensitive drums using above-mentioned improved rotation force transfer unit structure；
Another object of the present invention is to provide a kind of handle box using above-mentioned improved rotation force transfer unit structure.
In order to realize above-mentioned main purpose, the present invention provides a kind of for receiving from laser printer host driven axis
Rotary force applies the rotation force transfer unit for the rotary force that arm applies；Wherein, rotating force transfer unit includes drum gear, rotary force
Transferring element, elastomeric element and axial limiting component, rotational force transmitting part include guide rod and an axial direction positioned at the guide rod
The rotary force receiving division at end, the outer end wall of rotary force receiving division back to guide rod are recessed fluted, horizontal stroke of the groove along guide rod
To through rotary force receiving division, the outer end wall positioned at groove both sides is respectively applied along the axial evagination of guide rod formed with one with rotary force
Add the matched rotary force receiving arm of arm；Drum gear is equipped with the accommodating chamber in the axial open at one end of drum gear, in drum gear
The axial other end on formed with the pilot hole connected with accommodating chamber, another axial end of guide rod through accommodating chamber and with guiding
Interporal lacuna coordinates；Accommodating chamber is equipped with the input extended towards the radial center of drum gear parallel to the axial inner wall of drum gear
Arm, the lateral external wall of guide rod is equipped with the output arm laterally outwardly extended along guide rod, in the circumferential direction of drum gear, output arm in
Position where input arm forms abutting contact with input arm；Elastomeric element forces rotary force receiving division away from accommodating chamber, elasticity
Component also forces output arm to be completed away from input arm, this two actions by one or more elastic components；Axial limiting component structure
Into rotary force receiving division away from the spacing of accommodating chamber.
By above scheme as it can be seen that due on rotary force receiving division evagination formed with two rotary force receiving arms, pass through the rotation
Turn power receiving arm to be coupled the reception completed to the rotary force in drive shaft with the rotary force application arm in drive shaft and pass through
Drum gear passes to drum barrel and other rotary parts；Due to being connect between two rotary force receiving arms formed with a perforation rotary force
The groove in receipts portion, during rotation force transfer unit is coupled with drive shaft, the end of drive shaft can enter simultaneously from groove
It is positioned in groove, improves the smoothness that is coupled process of the drive shaft with rotational force transmitting part, during connection is departed from,
Have angle easy to the axis of drive shaft and the axis shape of rotational force transmitting part, improve the place with the rotation force transfer unit
Reason box is falling machine and the smoothness of process is pulled down from printer host；In addition, elastic component forces output arm away from input arm, just
In the process being coupled in rotation force transfer unit with drive shaft, rotational force transmitting part can be around the certain angle of axial-rotation of guide rod
Degree, improves the smoothness for falling machine process.
Specific scheme is that the lateral cross section of guide rod is circular, the axis of two rotary force receiving arms and groove on guide rod
Line is centrosymmetrically arranged.
Preferable scheme is plane for the side of above-mentioned groove and bottom surface.
Preferred scheme is the bottom surface of above-mentioned groove and the intersection of its two side is two axis protrusions towards guide rod
Curve.
In order to realize above-mentioned another object, the present invention, which provides, a kind of including drum barrel and is installed on an axial end of the drum barrel
Rotation force transfer unit；Rotate force transfer unit and be used to receive the rotary force application arm from laser printer host driven axis
The rotary force of application；Wherein, rotation force transfer unit includes drum gear, rotational force transmitting part, elastomeric element and axial limiting
Component, rotational force transmitting part include the rotary force receiving division of guide rod and an axial end positioned at the guide rod, and rotary force receives
The outer end wall of portion back to guide rod forms fluted, which extends transversely through rotary force receiving division along guide rod, positioned at groove both sides
Outer end wall along guide rod shaft convex respectively formed with one with rotary force apply the matched rotary force receiving arm of arm；On drum gear
Accommodating chamber equipped with the axial open at one end in drum gear, formed with being connected with accommodating chamber on the axial other end of drum gear
Pilot hole, another axial end of guide rod through accommodating chamber and with pilot hole clearance fit；Axis of the accommodating chamber parallel to drum gear
To inner wall be equipped with the input arm that extends towards the radial center of drum gear, the lateral external wall of guide rod is equipped with the transverse direction along guide rod
The output arm to extend outwardly, in the circumferential direction of drum gear, output arm is formed against connecing in the position where input arm with input arm
Touch；Elastomeric element forces rotary force receiving division away from accommodating chamber, and elastomeric element also forces output arm, and away from input arm, this two dynamic
Work can be completed by one or more elastic components；Axial limiting component forms rotary force receiving division away from the spacing of accommodating chamber.
Specific scheme is that the lateral cross section of guide rod is circular, the axis of two rotary force receiving arms and groove on guide rod
Line is centrosymmetrically arranged.
Preferable scheme is plane for the side of above-mentioned groove and bottom surface, and the intersection of the two side of the bottom surface and groove is
Two curves towards the axis protrusion of guide rod；Two curves are arranged symmetrically on the axis centre of guide rod.
In order to realize above-mentioned a further object, the present invention, which provides one kind, to be included box body and is rotatably supported in the box body both ends
The handle box of photosensitive drums between wall, photosensitive drums include drum barrel and are installed on the rotary force transmission group of an axial end of the drum barrel
Part；Force transfer unit is rotated to be used to receive the rotary force that the rotary force from laser printer host driven axis applies arm application；
Wherein, rotation force transfer unit includes drum gear, rotational force transmitting part, elastomeric element and axial limiting component, and rotary force passes
Passing component includes the rotary force receiving division of guide rod and an axial end positioned at the guide rod, and rotary force receiving division is back to the outer of guide rod
End wall forms fluted, which extends transversely through rotary force receiving division along guide rod；Outer end wall positioned at groove both sides is along guide rod
Axial evagination respectively applies the matched rotary force receiving arm of arm formed with one and rotary force；Drum gear is equipped with drum gear
The accommodating chamber of axial open at one end, formed with the pilot hole connected with accommodating chamber on the axial other end of drum gear, guide rod
Another axial end through accommodating chamber and with pilot hole clearance fit；Accommodating chamber is equipped with parallel to the axial inner wall of drum gear
The input arm extended towards the radial center of drum gear, the lateral external wall of guide rod are equipped with the output laterally outwardly extended along guide rod
Arm, in the circumferential direction of drum gear, output arm forms abutting contact in the position where input arm with input arm；Elastomeric element forces
Rotary force receiving division is away from accommodating chamber, and elastomeric element also forces output arm, and away from input arm, this two actions can be by one or more
A elastic component is completed；Axial limiting component forms rotary force receiving division away from the spacing of accommodating chamber.
Specific scheme is that the lateral cross section of guide rod is circular, the axis of two rotary force receiving arms and groove on guide rod
Line is centrosymmetrically arranged.
Preferable scheme is plane for the side of above-mentioned groove and bottom surface, and the intersection of the two side of the bottom surface and groove is
Two curves towards the axis protrusion of guide rod；Two curves are arranged symmetrically on the axis centre of guide rod.
Brief description of the drawings
Fig. 1 is a kind of structure chart of existing rotation force transfer unit；
Fig. 2 is the structure decomposition figure of rotation force transfer unit shown in Fig. 1；
Fig. 3 is the stereogram of handle box first embodiment of the present invention；
Fig. 4 is the stereogram of photosensitive drums first embodiment of the present invention；
Fig. 5 is the structure chart of present invention rotation force transfer unit first embodiment；
Fig. 6 is the structure chart of rotational force transmitting part in present invention rotation force transfer unit first embodiment；
Fig. 7 is the structure decomposition figure of present invention rotation force transfer unit first embodiment；
Fig. 8 is that the first of rotational force transmitting part and drive shaft join in present invention rotation force transfer unit first embodiment
The schematic diagram of knot process；
Fig. 9 is second of rotational force transmitting part and drive shaft in present invention rotation force transfer unit first embodiment
The schematic diagram of knot process；
Figure 10 is rotational force transmitting part and a kind of disengaging of drive shaft in present invention rotation force transfer unit first embodiment
The schematic diagram of connection process；
Figure 11 is the structure chart of rotational force transmitting part in present invention rotation force transfer unit second embodiment；
Figure 12 is the structure chart of rotational force transmitting part in present invention rotation force transfer unit 3rd embodiment.
The invention will be further described with reference to the accompanying drawings and embodiments.
Embodiment
The present invention is mainly to for receiving the rotary force from laser printer host driven axis and passing to rotating part
The structure of the rotation force transfer unit of part is improved, with improve with the rotation force transfer unit handle box fall machine and from
Pull down the smoothness of process on host, the other parts of photosensitive drums and handle box are designed according to existing product.
Rotate force transfer unit, photosensitive drums and handle box first embodiment
Referring to Fig. 3, handle box has box body 1 and the photosensitive drums 2 being rotatably supported between 1 end walls of box body.
Referring to Fig. 4, photosensitive drums 2 have drum barrel 21 and are installed on the rotation force transfer unit of an axial end of drum barrel 21
22, drum barrel 21 is made of aluminum pipe and the photosensitive material layer being coated on outside aluminum pipe.
Referring to Fig. 5, rotation force transfer unit 22 is by rotational force transmitting part 221, axial limiting component 222, torsionspring
223 and drum gear 224 form.Drum gear 224 is equipped with accommodating chamber 2241 open on one axial end, on another axial end
Formed with the pilot hole 2242 connected with accommodating chamber 2241.
Referring to Fig. 6, rotational force transmitting part 221 is by columned guide rod 2211 and an axial end positioned at guide rod 2211
Rotary force receiving division 2212 form.The radial outer wall of guide rod 2211 is equipped with the output arm 22111 radially to extend outwardly.
Back to forming fluted 22121 in the outer end wall 22123 of guide rod 2211 on rotary force receiving division 2212, groove 22121 is along guide rod
2211 extend radially through rotary force receiving division 2212, the axial evagination of the outer end walls 22123 of 22121 both sides of groove along guide rod 2211
Respectively formed with a rotary force receiving arm 22122, formed with for receiving drive shaft on the side of rotary force receiving arm 22122
Rotary force applies the concave surface 221221 of arm, the axis of two rotary force receiving arms 22122 and groove 22121 on guide rod 2211
It is centrosymmetrically arranged.It is axially directed to the direction of rotary force receiving division 2212 along guide rod 2211, rotary force receiving arm 22122 is along guide rod
The one side 221222 of 2211 radial directions back to guide rod 2211 gradually tapers up, i.e. the side 221222 and the axis spacing of guide rod 2211
It is gradually reduced and forms a smooth surface.The direction of rotary force receiving division 2212, outer end wall 22123 are axially directed to along guide rod 2211
Gradually taper up along close to the direction of rotary force receiving arm 22122 and form a smooth surface.
Referring to Fig. 7, the face shaping substantially cylindrical of drum gear 224, positioned at the footpath at 224 approximately axial middle part of drum gear
Helical gear 2240 is equipped with to outer wall, the rotary force for drum gear 224 to be received passes to other rotary parts；Accommodating chamber
2241 output arms 2244 extended parallel to the axial inner wall of drum gear 224 equipped with the radial center towards drum gear 224.Lead
Another axial end of bar 2211 sequentially passes through the through hole being formed on axial limiting component 222, torsionspring 223, accommodating chamber
2241 reach the pilot hole 2242 of clearance fit therewith, so that rotational force transmitting part 221 can be along the axial direction of guide rod 2211
Moved back and forth with respect to drum gear 224；In the circumferential direction of drum gear 224, output arm 22111 at the position of input arm 2244 with it is defeated
Enter 2244 abutting contact of arm.
Referring to Fig. 5 to Fig. 7, a torque arm of torsionspring 223 is fixed on an output arm 22111, another torque arm
It is fixed in the fixed column 2243 being formed in accommodating chamber 2241, along the circumferential direction of drum gear 224, output arm 22111 is located at two
Between a input arm 2244, i.e., the elastic restoring force of torsionspring 223 circumferentially forces output arm 22111 away from input arm
2244.Axial limiting component 222 is placed on the open end of accommodating chamber 2241, and the elastic restoring force of torsionspring 223 vertically is compeled
Make output arm 22111 against axial limiting component 222.When the rotary force of drive shaft 02 applies arm 021 and rotary force receiving arm
During 22122 connection, the domed ends 022 of drive shaft 02 are located in groove 2212, domed ends 022 and groove 22122
There is gap between both sides.
Referring to Fig. 8, handle box is loaded into the process in printer host, that is, falls machine process, when rotary force applies arm 021
When the arranged direction of axis and groove 22121 is almost parallel, handle box drives rotary force receiving part 221 along shown in Fig. 8 arrows
Direction is moved along the direction close to drive shaft 02, and the domed ends 022 of drive shaft 02 are directly entered in groove 22121, then
Drive shaft 02 rotates about the axis thereof and rotary force is applied arm 021 and be resisted against at concave surface 221221 and drive rotary force receiving part
221 rotate around the axis of guide rod 2211, make output arm 22111 against input arm 2244, drive drum gear 224 to be revolved around its axis
Turn, and then drive the rotation of the drum barrel and other rotary parts of photosensitive drums.
Referring to Fig. 9, handle box is loaded into the process in printer host, that is, falls machine process, when rotary force applies arm 021
When the arranged direction of axis and groove 22121 folds an angle, handle box drives rotary force receiving part 221 along Fig. 9 arrows institute
Show that direction is moved along close to the direction of drive shaft 02, the domed ends 022 of drive shaft 02 first against outer end wall 22123, with
Rotary force receiving part 221 is continued to move to along direction shown in arrow, and domed ends 022 will extrude inclined outer end wall 22123,
It is axially downward while making rotational force transmitting part 221 around the axial-rotation of guide rod 2211, so that domed ends
022 enters groove 22121, as drive shaft 02 is around its axial-rotation, drives rotational force transmitting part 221 to rotate, drives drum tooth
Wheel rotation, and then drive the rotation of the drum barrel and other rotary parts of photosensitive drums.
Referring to Figure 10, handle box is pulled down into process from host, due to the presence of groove 22121, domed ends 022
Constrained by groove two side, the two-port of groove 22121 is to it without constraint, the axis of guide rod 2211 and the axis of drive shaft 02
The angle of a low-angle can be formed under external force, and rotational force transmitting part 221 is easily along direction shown in Figure 10 arrows with driving
Moving axis 02, which departs from, to be coupled.
Rotate force transfer unit, photosensitive drums and handle box second embodiment
As the explanation to present invention rotation force transfer unit, photosensitive drums and handle box second embodiment, below only pair with
The difference of above-mentioned rotation force transfer unit, photosensitive drums and handle box first embodiment illustrates.
Referring to Figure 11, the bottom surface 311 of the groove on the rotary force receiving division 31 of rotational force transmitting part 3 is a plane, bottom
The intersection of face 311 and groove two side is the curve 3111 and curve 3112 towards the axis protrusion of guide rod 32, curve 3111 and song
Line 3112 is arranged symmetrically on the axis centre of guide rod 32, recessed along the direction for being axially directed to rotary force receiving division 31 of guide rod 32
Spacing between the two side of groove and the axis of guide rod 32 gradually increases.
Falling the process of machine, along the circumferential direction of guide rod 32, the domed ends of drive shaft can be straight from the circumferential angle of bigger
Tap into groove, improve the smoothness for falling machine of handle box.Since groove two-port is trumpet type, drive shaft and rotary force are reduced
Transferring element 3 is departing from the obstruction of connection process.
Rotate force transfer unit, photosensitive drums and handle box 3rd embodiment
As the explanation to present invention rotation force transfer unit, photosensitive drums and handle box 3rd embodiment, below only pair with
The difference of above-mentioned rotation force transfer unit, photosensitive drums and handle box second embodiment illustrates.
Referring to Figure 12, the bottom surface 411 of the groove on the rotary force receiving division 41 of rotational force transmitting part 4 along guide rod 42 radially
Size be more than guide rod 42 and be less than rotary force receiving division 41.
Claims (10)
1. rotating force transfer unit, for receiving the rotary force from laser printer host driven axis, the drive shaft includes
Rotary force applies arm and end；
The rotation force transfer unit includes drum gear, rotational force transmitting part, elastomeric element and axial limiting component, the rotation
Turning force transmission member includes the rotary force receiving division of guide rod and an axial end positioned at the guide rod, the rotary force receiving division
Outer end wall back to the guide rod is respectively matched somebody with somebody along the axial evagination of the guide rod formed with one for applying arm with the rotary force
The rotary force receiving arm of conjunction；
The drum gear is equipped with the accommodating chamber in the axial open at one end of the drum gear, another in the axial direction of the drum gear
Formed with the pilot hole connected with the accommodating chamber on end, another axial end of the guide rod through the accommodating chamber and with institute
State pilot hole clearance fit；
The accommodating chamber is equipped with towards the radial center extension of the drum gear parallel to the axial inner wall of the drum gear
Input arm, the lateral external wall of the guide rod is equipped with the output arm laterally outwardly extended along the guide rod, in the drum gear
Circumferential direction on, the output arm in the position where the input arm with the input arm formed abutting contact；
The elastomeric element forces the rotary force receiving division to form the rotation away from the accommodating chamber, the axial limiting component
Turn power receiving division away from the spacing of the accommodating chamber；
It is characterized in that：
Groove of the outer end wall formed with the end for accommodating the drive shaft, the groove are passed through along the transverse direction of the guide rod
Wear the rotary force receiving division；
Two rotary force receiving arms are located at the both sides of the groove；
The elastomeric element also forces the output arm away from the input arm.
2. force transfer unit is rotated according to claim 1, it is characterised in that：
The lateral cross section of the guide rod is circular, the axis of two rotary force receiving arms and the groove on the guide rod
Line is centrosymmetrically arranged.
3. rotation force transfer unit according to claim 1 or claim 2, it is characterised in that：
The bottom surface of the groove is plane.
4. force transfer unit is rotated according to claim 3, it is characterised in that：
The intersection of the bottom surface and the two side of the groove is two curves towards the axis protrusion of the guide rod.
5. photosensitive drums, including drum barrel and be installed on the drum barrel an axial end rotation force transfer unit, the rotary force
Transmitting assembly be used for receive the rotary force from laser printer host driven axis, the drive shaft include rotary force apply arm and
End；
The rotation force transfer unit includes drum gear, rotational force transmitting part, elastomeric element and axial limiting component, the rotation
Turning force transmission member includes the rotary force receiving division of guide rod and an axial end positioned at the guide rod, the rotary force receiving division
Outer end wall back to the guide rod is respectively matched somebody with somebody along the axial evagination of the guide rod formed with one for applying arm with the rotary force
The rotary force receiving arm of conjunction；
The drum gear is equipped with the accommodating chamber in the axial open at one end of the drum gear, another in the axial direction of the drum gear
Formed with the pilot hole connected with the accommodating chamber on end, another axial end of the guide rod through the accommodating chamber and with institute
State pilot hole clearance fit；
The accommodating chamber is equipped with towards the radial center extension of the drum gear parallel to the axial inner wall of the drum gear
Input arm, the lateral external wall of the guide rod is equipped with the output arm laterally outwardly extended along the guide rod, in the drum gear
Circumferential direction on, the output arm in the position where the input arm with the input arm formed abutting contact；
The elastomeric element forces the rotary force receiving division to form the rotation away from the accommodating chamber, the axial limiting component
Turn power receiving division away from the spacing of the accommodating chamber；
It is characterized in that：
Groove of the outer end wall formed with the end for accommodating the drive shaft, the groove are passed through along the transverse direction of the guide rod
Wear the rotary force receiving division；
Two rotary force receiving arms are located at the both sides of the groove；
The elastomeric element also forces the output arm away from the input arm.
6. photosensitive drums according to claim 5, it is characterised in that：
The lateral cross section of the guide rod is circular, the axis of two rotary force receiving arms and the groove on the guide rod
Line is centrosymmetrically arranged.
7. according to the photosensitive drums of claim 5 or 6, it is characterised in that：
The bottom surface of the groove is plane；
The intersection of the bottom surface and the two side of the groove is two curves towards the axis protrusion of the guide rod；
Two curves are arranged symmetrically on the axis centre of the guide rod.
8. handle box, including box body and the photosensitive drums that are rotatably supported between the box body end walls, the photoreceptor drum
Include drum barrel and be installed on the rotation force transfer unit of an axial end of the drum barrel, the rotation force transfer unit is used to receive
Rotary force from laser printer host driven axis, the drive shaft include rotary force and apply arm and end；
The rotation force transfer unit includes drum gear, rotational force transmitting part, elastomeric element and axial limiting component, the rotation
Turning force transmission member includes the rotary force receiving division of guide rod and an axial end positioned at the guide rod, the rotary force receiving division
Outer end wall back to the guide rod is respectively matched somebody with somebody along the axial evagination of the guide rod formed with one for applying arm with the rotary force
The rotary force receiving arm of conjunction；
The drum gear is equipped with the accommodating chamber in the axial open at one end of the drum gear, another in the axial direction of the drum gear
Formed with the pilot hole connected with the accommodating chamber on end, another axial end of the guide rod through the accommodating chamber and with institute
State pilot hole clearance fit；
The accommodating chamber is equipped with towards the radial center extension of the drum gear parallel to the axial inner wall of the drum gear
Input arm, the lateral external wall of the guide rod is equipped with the output arm laterally outwardly extended along the guide rod, in the drum gear
Circumferential direction on, the output arm in the position where the input arm with the input arm formed abutting contact；
The elastomeric element forces the rotary force receiving division to form the rotation away from the accommodating chamber, the axial limiting component
Turn power receiving division away from the spacing of the accommodating chamber；
It is characterized in that：
Groove of the outer end wall formed with the end for accommodating the drive shaft, the groove are passed through along the transverse direction of the guide rod
Wear the rotary force receiving division；
Two rotary force receiving arms are located at the both sides of the groove；
The elastomeric element also forces the output arm away from the input arm.
9. handle box according to claim 8, it is characterised in that：
The lateral cross section of the guide rod is circular, the axis of two rotary force receiving arms and the groove on the guide rod
Line is centrosymmetrically arranged.
10. handle box according to claim 8 or claim 9, it is characterised in that：
The bottom surface of the groove is plane；
The intersection of the bottom surface and the two side of the groove is two curves towards the axis protrusion of the guide rod；
Two curves are arranged symmetrically on the axis centre of the guide rod.
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| CN104597733B true CN104597733B (en) | 2018-05-11 |
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| CN105607451B (en) * | 2015-12-29 | 2022-11-08 | 珠海天威飞马打印耗材有限公司 | Processing box |
| CN105511246B (en) * | 2016-01-21 | 2022-12-09 | 珠海天威飞马打印耗材有限公司 | Processing box |
| CN106338903A (en) * | 2016-11-04 | 2017-01-18 | 邓平 | Processing cartridge driving device |
| CN107219736B (en) * | 2017-07-28 | 2024-03-19 | 珠海天威飞马打印耗材有限公司 | Rotational force transmitting assembly and process cartridge |
| CN207992695U (en) * | 2017-08-14 | 2018-10-19 | 珠海市拓佳科技有限公司 | Power reception part, power transmission and handle box |
| CN107479345B (en) * | 2017-09-26 | 2023-11-17 | 珠海天威飞马打印耗材有限公司 | Rotational force transmitting assembly, photosensitive drum and process cartridge |
| CN108873659A (en) * | 2018-07-24 | 2018-11-23 | 珠海天威飞马打印耗材有限公司 | Handle box |
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