CN208721981U - Rotate force transfer unit, roller and handle box - Google Patents

Abstract

The utility model provides a kind of rotation force transfer unit, roller and handle box, wherein rotation force transfer unit includes that transmission gear, rotary force receive head, post rod mechanism and rotation force transmission element.The inside of transmission gear offers accommodating chamber, and the input arm towards the radial center extension of transmission gear is provided on the inner wall of accommodating chamber.Rotary force receives head and transmission gear Connected degree for receiving rotary driving force, and rotary force receives head and transmission gear is relatively fixed in the axial direction of transmission gear.Post rod mechanism includes mandril and axial return unit, and mandril has forced section, and forced section drives mandril along the axial movement for being parallel to rotary force reception head under external force.Rotation force transmission element is connect with mandril, and mandril drives rotation force transmission element to move between the position that rotation force transmission element is separated with the input arm position engaged and rotation force transmission element with input arm, and axial return unit driving mandril resets.The rotation force transfer unit can be improved the smoothness for the machine of falling.

Description

Rotate force transfer unit, roller and handle box

Technical field

The utility model relates to a kind of handle boxes and its rotary force being removably mounted on electrophotographic image forming Transmitting assembly and roller.

Background technique

Electrophotographic image forming is a kind of image to be formed on print media such as paper using electrofax principle Equipment, including duplicator, printer, facsimile machine, all-in-one machine etc., the place for generally including host and being removably installed in host Manage box.Wherein, it is provided with rotating element on handle box and receives the rotary force biography for the rotary driving force that the hosts such as printer provide Component is passed, rotating element includes at least one of developing element, photosensitive drums, charge member, and handle box is installed to host, Rotation force transfer unit matches the rotary force for merging and receiving driving mechanism and providing with the transmission shaft of host, and then rotating element is driven to turn It is dynamic.

A kind of handle box is disclosed in the Chinese patent literature that publication No. is CN102067042A, its existing rotary force transmitting group Part uses sphere type universal joint.This sphere type universal joint is easy to deviate from from gear or offset direction, is especially transporting In the process, this phenomenon is easier to occur, and engages in addition, sphere type gimbal structure is more difficult with the transmission shaft of host, to make At the transfer function forfeiture of sphere type universal joint or job insecurity.In order to enable the driving machine of sphere type universal joint with host Structure cooperation, it usually needs torsional spring and locating part are set to position to it, this substantially increases the quantity of components, makes handle box Structure is complicated changes.

In addition, another existing handle box, rotation force transfer unit has Telescopic, i.e. rotary force transmitting group The rotary force of part receives head and can move back and forth along the axis of photosensitive drums, when being moved to first position, driving head and printer Transmission shaft engagement, when being moved to the second position, the transmission shaft of driving head and printer is detached from.But this connecting structure is more multiple It is miscellaneous, and the process that the driving head of handle box is coupled and is detached from the transmission shaft of printer is not smooth enough.

Utility model content

The main purpose of the utility model, which is to provide one kind and can be improved, falls machine smoothness, guarantees that the rotary force of handle box passes It passs component accurately to couple with the drive shaft of imaging device, while rotating force transfer unit and being passed with the rotary force that drive shaft is easy to be detached from Pass component.

The another object of the utility model is to provide a kind of roller with above-mentioned rotation force transfer unit.

A further object of the utility model is to provide a kind of handle box with above-mentioned roller.

To realize above-mentioned main purpose, the utility model provides a kind of rotation force transfer unit, including transmission gear, rotation Power receives head, post rod mechanism and rotation force transmission element.The inside of transmission gear offers accommodating chamber, is arranged on the inner wall of accommodating chamber There is the input arm towards the radial center extension of transmission gear.Rotary force receives head and transmission gear Connected degree and drives for receiving rotation Power, rotary force receives head and transmission gear is relatively fixed in the axial direction of transmission gear.Post rod mechanism includes mandril and axial direction Return unit, mandril have forced section, and forced section drives mandril along the axial direction for being parallel to rotary force reception head under external force It is mobile.Rotation force transmission element is connect with mandril, and mandril drives rotation force transmission element to engage in rotation force transmission element with input arm It is moved between the position that position and rotation force transmission element are separated with input arm, axial return unit driving mandril resets.

By above scheme as it can be seen that when handle box is installed, under original state, rotation force transmission element is separated with input arm, and Rotation force transmission element can be freely rotated in the circumferential relative to transmission gear, and the dog and printer of head are received by rotary force Transmission shaft can rotate evacuation after abutting smooth in place to realize, then, under the effect of external force by the forced section of mandril Drive rotation force transmission element to, rotation force transmission element and input arm contact, to drive driving cog mobile far from transmission shaft side The transmitting of rotary driving force is realized in wheel rotation.When handle box is taken out from printer, mandril is separated with transmission shaft, and mandril To close to the movement of transmission shaft side under the action of axial return unit, rotation force transmission element is separated with input arm and rotary force passes Passing part can be freely rotated in the circumferential relative to transmission gear, so that rotary force easy to accomplish receives the dog and printer of head The disengaging of transmission shaft makes handle box smooth taking-up from printer.

One Preferable scheme is that, rotation force transfer unit further includes driving mechanism, driving mechanism connect with mandril and to Forced section applies the active force that the dog end of head is received along the axial direction for being parallel to rotary force reception head and backwards to rotary force.

It can be seen that driving mechanism is used to apply active force to forced section, to push mandril mobile, to realize rotation The engagement of power transmission part and input arm.

Further embodiment is that driving mechanism is located at one end that mandril receives head far from rotary force, and driving mechanism includes pushing away Bar and dynamic clamping head and quiet clamping head, push rod are arranged perpendicular to mandril, and push rod includes force side and force side, and force side receives external force, force End pushes mandril mobile.

Further scheme is that force side has guide groove and guide portion, and mandril is located in guide groove and and guide portion Adjacent, guide portion includes release face, retraction face and the joint face being connected between release face and retraction face, releases face and retraction Face has difference in height in the axial direction of mandril.

It can be seen that making mandril be now parallel to mandril axial direction in fact by the difference in height between release face and retraction face Movement on direction, so that rotation force transmission element and input arm contact, so that transmission gear rotation be driven to realize that rotation is driven The transmitting of power.

Further scheme is that mandril includes bar portion and ground connection pin, and ground connection pin is located at bar portion and connects far from rotary force One end of head is received, ground connection pin is located in guide groove and abuts with guide portion.

It can be seen that photosensitive drums can be achieved at the same time in ground connection pin when rotary force receiving unit is installed in photosensitive drums Positioning and grounding function.

One Preferable scheme is that, driving mechanism is located at one end that mandril receives head close to rotary force, and driving mechanism includes Driving lever, driving lever include force side and force side, and force side receives external force, and force side pushes mandril mobile.Driving lever can be around vertical It is rotated in the rotary shaft of driving lever extending direction, between force side and force side, force side is set on mandril rotary shaft.

It can be seen that driving lever is rotated around rotary shaft, together after the active force of the door closure of the force side reception printer of driving lever When, force side pushes mandril mobile, to drive rotation force transmission element to mobile far from transmission shaft side, rotation force transmission element with Arm contact is inputted, to drive the transmitting of transmission gear rotation realization rotary driving force.

Further embodiment is that one end that rotary force receives head has dog, and post rod mechanism further includes force rod, force rod It being fixed on mandril and extends outwardly in the side wall radially from mandril of mandril, force rod is located on mandril at dog, Rotary force, which receives, to be opened up on head there are two along the first axially extending guide openings for being parallel to rotary force and receiving head, and two the One guide openings are diametrically arranged on the peripheral wall that rotary force receives head, and the both ends of force rod are opened from two first guiding respectively Mouth stretches out, and force rod can be moved along the extending direction of the first guide openings, and force side is between dog and force rod.

One Preferable scheme is that, rotation force transmission element includes output arm, and output arm is fixed on mandril and in mandril Extend outwardly radially from the side wall of mandril.Rotary force, which receives to offer on the side wall of head, receives head along being parallel to rotary force The second axially extending guide openings, output arm pass through the second guide openings and can move along the extending direction of the second guide openings It is dynamic.

It can be seen that the both ends of the second guide openings, which are used to limit output arm, receives the position in head axial direction in rotary force It moves, guarantees that output arm can be engaged and be separated with input arm.

Further embodiment is that rotation force transfer unit further includes axial limiting part, and axial limiting part is received in rotary force The side wall for receiving head radially from rotary force of head extends outwardly, and axial limiting part is located at outside transmission gear and and transmission gear End wall it is adjacent.

It can be seen that axial limiting part for guarantee rotary force receive head with transmission gear the phase in the axial direction of transmission gear To fixation.

Further embodiment is that axial return unit is elastic component, and elastic component is set in rotary force and receives outside head, elastic component First end is connected on output arm, and the second end of elastic component is connected on the end wall of transmission gear.

It can be seen that elastic component applies active force to mandril when rotary force receives head and separates with the transmission shaft of printer, Restore mandril to initial position, output arm is separated with input arm at this time.

One Preferable scheme is that, mandril and rotary force receive head coaxial arrangement, and rotation force transmission element is hinged with mandril, revolve Turn the quantity at least two of power transmission part, multiple rotation force transmission elements are symmetrical set centered on the axis of mandril, rotation Power transmission part includes the connecting rod and output arm being hinged, and link tilt setting, the first end and mandril of connecting rod are hinged, connecting rod Second end is hinged with output arm, output arm can on the end wall of transmission gear moving radially along transmission gear, output arm can It engages or separates with input arm.

It can be seen that mandril is mobile to separate transmission shaft side after abutting with transmission shaft, and output arm exists when handle box is installed The radial direction to close to input arm under the thrust of connecting rod along transmission gear move and with input arm contact, to drive The transmitting of rotary driving force is realized in nutating gear rotation.When handle box is taken out from printer, mandril is separated with transmission shaft, And mandril is mobile to close transmission shaft side under the action of axial return unit, so that connecting rod drives output arm along transmitting tooth The radial direction to the axis close to transmission gear of wheel is mobile, and output arm is separated with input arm and rotation force transmission element can be with It is freely rotated in the circumferential relative to transmission gear, so that rotary force easy to accomplish receives the dog and printer transmission shaft of head It is detached from, makes handle box smooth taking-up from printer.

Further embodiment is that the fixing end that rotary force receives head offers the radial activity that head is received through rotary force Slot, connecting rod are located in loose slot and can move in loose slot.

It can be seen that loose slot can limit the direction of motion of connecting rod, meanwhile, it is easy to implement the transmitting of driving force.

Further embodiment is that rotation force transfer unit further includes axial limiting part, and axial limiting part includes top cover and limit Position protrusion, top cover are located at the dog end that transmission gear receives head close to rotary force, and retention bead is arranged on the inner wall of accommodating chamber And extend towards the radial center of transmission gear, rotary force receives the fixing end of head between top cover and retention bead.

It can be seen that the setting of top cover and retention bead can prevent rotation force transfer unit phase in the axial direction of transmission gear It is mobile for transmission gear.

One Preferable scheme is that, axial return unit is elastic component, and the first end of elastic component is connected to the end of mandril, bullet The second end of property part is connected on the end wall of transmission gear.

It can be seen that elastic component is mentioned when the rotary force of handle box receives head and separates with the transmission shaft of printer for mandril For active force, so that separating with the rotation force transmission element of mandril connection with input arm, keep handle box smooth from printer It takes out.

To realize above-mentioned another object, the utility model provides a kind of roller, and roller includes roll body and is mounted on one of roll body The rotation force transfer unit of axial end；Rotation force transfer unit is above-mentioned rotation force transfer unit.

To realize above-mentioned a further object, the utility model provides a kind of handle box, and handle box includes box body and rotatable Ground is supported on the roller between box body end walls, roller include roll body and be mounted on roll body an axial end rotary force transmitting group Part；Rotation force transfer unit is above-mentioned rotation force transfer unit.

One Preferable scheme is that, rotation force transfer unit further include corner limitation component, corner limit component include turn round Spring and shaft bearing plate, shaft bearing plate, which is mounted on box body, offers guide groove, torsional spring on rotation force transfer unit side, shaft bearing plate Including spring coil and two torque arm, rotary force receives head and is clamped between two torque arm, and the end of two torque arm is protruded into guide groove, Positioning column is provided on the side wall of box body, spring coil is set on positioning column.

It is clamped between two torque arm it can be seen that rotary force receives head, the end of two torque arm is protruded into guide groove, from And realize the control that head rotation angle is received to rotary force, when in order to which handle box being installed to printer, rotary force receives head It can swimmingly be engaged with transmission shaft.

Further embodiment is restraining position ring block to be arranged on the position at the nearly dog end of rotary force reception head rest, stop collar is by certainly The protrusion that the peripheral wall that rotary force receives head extends radially outward is constituted, and side of the stop collar far from dog end is arranged in torsional spring, Torsional spring and stop collar are adjacent.

It can be seen that stop collar and torque arm synergy, rotary force can be limited in the axial direction of transmission gear and receives head Position prevents rotary force from receiving head and moves up in the axis of transmission gear, and influences the realization of rotation force transfer unit function.

Detailed description of the invention

Fig. 1 is the structure chart of the utility model handle box first embodiment.

Fig. 2 is the partial enlarged view in Fig. 1 at A.

Fig. 3 is the structure chart that force transfer unit is rotated in the utility model handle box first embodiment.

Fig. 4 is the cross-sectional view that force transfer unit is rotated in the utility model handle box first embodiment.

Fig. 5 is the structural exploded view that force transfer unit is rotated in the utility model handle box first embodiment.

Fig. 6 is to rotate in the utility model handle box first embodiment after force transfer unit engages with the transmission shaft of printer State diagram.

Fig. 7 is the structural exploded view that force transfer unit is rotated in the utility model handle box second embodiment.

Fig. 8 is the cross-sectional view that force transfer unit is rotated in the utility model handle box second embodiment.

Fig. 9 is the structure chart that rotary force receives head in the utility model handle box second embodiment.

Figure 10 is the driving head cooperation that force transfer unit and printer are rotated in the utility model handle box second embodiment First state under structure chart.

Figure 11 is the driving head cooperation that force transfer unit and printer are rotated in the utility model handle box second embodiment The second state under structure chart.

Figure 12 is the driving head cooperation that force transfer unit and printer are rotated in the utility model handle box second embodiment The third state under structure chart.

Figure 13 is the structure chart of the utility model handle box 3rd embodiment.

Figure 14 is the structure chart of photosensitive drums, driving mechanism and end cap in the utility model handle box 3rd embodiment.

Figure 15 is the STRUCTURE DECOMPOSITION of photosensitive drums, driving mechanism and end cap in the utility model handle box 3rd embodiment Figure.

Figure 16 is the structure chart of push rod force side in the utility model handle box 3rd embodiment.

Figure 17 be in the utility model handle box 3rd embodiment the force side of push rod and the forced section of mandril in rotary force Location diagram under transferring member and input arm discrete state.

Figure 18 be in the utility model handle box 3rd embodiment the force side of push rod and the forced section of mandril in rotary force Location diagram under transferring member and input arm engagement state.

Figure 19 is the cross-sectional view that force transfer unit is rotated in the utility model handle box 3rd embodiment.

Figure 20 is the structural exploded view that force transfer unit is rotated in the utility model handle box 3rd embodiment.

Figure 21 is the cross-sectional view that force transfer unit is rotated in the utility model handle box fourth embodiment.

Figure 22 is the structure chart that force transfer unit is rotated in the 5th embodiment of the utility model handle box.

Figure 23 is the cross-sectional view that force transfer unit is rotated in the 5th embodiment of the utility model handle box.

Figure 24 is the structural exploded view that force transfer unit is rotated in the 5th embodiment of the utility model handle box.

Figure 25 is the cross-sectional view that force transfer unit is rotated in the utility model handle box sixth embodiment.

Figure 26 is the structural exploded view that force transfer unit is rotated in the utility model handle box sixth embodiment.

The following is a further explanation of the present invention with reference to the accompanying drawings and embodiments.

Specific embodiment

Following embodiment is mainly for the utility model handle box, since the utility model handle box is practical using this Novel rotary force transfer unit and roller have included to rotation force transfer unit embodiment and roller in the explanation of handle box embodiment The explanation of embodiment.

Handle box first embodiment

Referring to Fig. 1, the handle box of the present embodiment includes box body 10 and is rotatably supported between 10 end walls of box body Roller, roller include roll body and be mounted on roll body an axial end rotation force transfer unit 1.Roller in the present embodiment is photosensitive Drum, roller may be developer roll or powder feeding roller etc. in other embodiments.Force transfer unit 1 is rotated for the transmission with printer Axis 100(Fig. 6 shows) it is coupled and receives rotary force, and received rotary force is passed into drum barrel and other revolving parts.

Referring to fig. 2 to Fig. 4, rotate force transfer unit 1 include transmission gear 11, rotary force receive head 12, post rod mechanism 13, Rotation force transmission element 14, corner limitation component 15 and axial limiting part.

As shown in Figure 4 and Figure 5, the shape of transmission gear 11 is substantially cylindrical, positioned at the radial outer wall of transmission gear 11 It is equipped with helical gear 110, for the received rotary force of transmission gear 11 to be passed to other revolving parts.Transmission gear 11 is equipped with The accommodating chamber 111 of one axial end opening is formed with the location hole being connected to accommodating chamber 111 on the end wall 114 of another axial end 113, the input arm 112 that a pair of radial center towards transmission gear 11 extends, input arm are provided on the inner wall of accommodating chamber 111 112 at the middle part for the inner wall for being located axially at accommodating chamber 111 for being parallel to transmission gear 11.Rotary force receives head 12 and is mounted on appearance It receives in chamber 111, rotary force receives head 12 and is used to receive the rotary driving force that the transmission shaft 100 of printer transmits, and rotary force receives First 12 is relatively fixed in the axial direction of transmission gear 11 with transmission gear 11.

Rotary force receives the dog 124 that head 12 includes bar portion 123 and an axial end positioned at bar portion 123.Bar portion 123 is Hollow structure, it is dog end that rotary force, which receives head 12 to have one end of dog 124, and one end far from dog 124 is fixing end.Bar Portion 123 successively has neck 1231, stop collar 1232, clamped portion 1236, cover 1233, main part from dog end to fixing end 1234 and fixed part 1235, stop collar 1232 and cover 1233 by spinning power receive head 12 peripheral wall extend radially outward Protrusion constitute, cover 1233 is close to dog end and is covered on the open-position-side of transmission gear 11.Fixed part 1235 passes through location hole It 113 and stretches out outside transmission gear 11, the diameter of main part 1234 is greater than the diameter of fixed part 1235.

Axial limiting part includes limit shaft 161, and limit shaft 161 runs through and be fixed on the fixed part that rotary force receives head 12 On 1235, limit shaft 161 extends outwardly in the side wall for receiving head 12 radially from rotary force that rotary force receives head 12, limit shaft 161 are located at 11 outside of transmission gear and the adjoining of the outer surface of limit shaft 161 and the end wall 114 of transmission gear 11.Due to rotary force The diameter for receiving the main part 1234 of head 12 is greater than the diameter of fixed part 1235, therefore in main part 1234 and fixed part 1235 Junction is formed with step, the abutment of the end wall 114 of the step and transmission gear 11, therefore, limit shaft 161 and step Cooperation limitation rotary force receives displacement of the head 12 in 11 axial direction of transmission gear, so that rotary force receives head 12 in transmission gear 11 Axial direction on it is relatively fixed with transmission gear 11.

Referring to Fig. 5, it includes torsional spring 151 and shaft bearing plate 152 that corner, which limits component 15, and torsional spring 151 is located at 1232 He of stop collar Between cover 1233 and adjacent with stop collar 1232, torsional spring includes spring coil and two torque arm, and rotary force receives the clamped of head 12 Portion 1236 is clamped between two torque arm, and the distance between two torque arm are less than the diameter of stop collar 1232.Shaft bearing plate 152 is pacified On an end wall of box body and it is located at close to 1 side of force transfer unit is rotated, offers guide groove 1521 on shaft bearing plate 152, The end of two torque arm of torsional spring 151 is protruded into the guide groove 1521, and the side wall 1522 and side wall 1523 of guide groove 1521 are constituted Limit of the torque arm in the circumferential direction of its rotation, is provided with positioning column 101 on the side wall of box body 10, spring coil is set in positioning column 101 On.Therefore, torsional spring 151 plays the role of limiting rotary force reception 12 rotational angle of head.

Post rod mechanism 13 includes mandril 131 and axial return unit, in the present embodiment, mandril 131, rotary force receive head 12 with And transmission gear 11 is coaxially disposed.In other embodiments, mandril 131 can also receive head 12 with rotary force and be arranged in parallel.Top Bar 131 is threaded through rotary force and receives in the bar portion 123 of head 12, and one end of mandril 131 has forced section, and forced section can be from rotary force The dog end for receiving head 12 is stretched out, the transmission shaft 100 which receives printer it is applied along being parallel to rotary force After receiving the axial direction of head 12 and receiving the active force (direction as shown in arrow F in Fig. 4) at dog end of head 12 backwards to rotary force, band Dynamic mandril 131 receive the axial movement of head 12 along rotary force and drive rotation force transmission element 14 rotation force transmission element 14 with it is defeated Enter and is moved between the position of the engagement of arm 112 and the position that rotation force transmission element 14 is isolated with input arm 112.In the present embodiment, rotation Turning the position that power transmission part 14 is engaged with input arm 112 refers to rotation force transmission element 14 in the projection and input of 131 axis of mandril Arm 112 is in the position that the projection of 131 axis of mandril coincides；The position isolated with input arm 112 of rotation force transmission element 14 refers to rotation Turn the position that power transmission part 14 has gap in the projection of 131 axis of mandril and input arm 112 between the projection of 131 axis of mandril It sets.

Rotation force transmission element 14 includes output arm 141, and output arm 141 is fixed on mandril 131 and in the radial direction of mandril 131 On extend outwardly from the side wall of mandril 131.Rotary force receive head 12 side wall on offer along be parallel to rotary force receive head 12 axially extending guide openings 121, output arm 141 pass through guide openings 121 and can be along the extension sides of guide openings 121 To movement.

Axial return unit is after transmission shaft 100 is discharged to the active force of the forced section of mandril 131, for driving mandril 131 It resets.Axial return unit is elastic component, it is preferable that elastic component is spring 132.Spring 132 is set in rotary force and receives outside head 12, The first end of spring 132 is connected on output arm 141, and the second end of spring 132 is connected on the end wall 114 of transmission gear 11.

Referring to Fig. 6, the installation to handle box in the present embodiment below and taking-up process are described as follows.

The installation process of handle box includes the following steps.

After handle box is packed into printer first, mandril 131 is mobile to separate 100 side of transmission shaft, meanwhile, mandril 131 It drives output arm 141 mobile and applies active force, 132 forced compression of spring to spring 132.

Before output arm 141 is moved to the position engaged with input arm 112, throwing of the output arm 141 in 131 axis of mandril Shadow and input arm 112 have gap between the projection of 131 axis of mandril, and rotary force receives head 12 and exists relative to transmission gear 11 Be freely rotated in circumferential direction, torsional spring 151 limits rotary force and receives the angle that rotates in the circumferential of head 12, thus when dog 124 with The transmission shaft 100 of printer occurs to support when touching interference, and rotary force, which receives head 12 and turns an angle, to be avoided, so that rotation Turning power reception head 12 can swimmingly engage with the transmission shaft of printer 100, ensure that handle box falls the smoothness of machine.

Then, mandril 131 drives output arm 141 to be moved to output arm 141 and the contour position of input arm 112 namely defeated On the position that arm 141 is engaged with input arm 112 out, at this point, output arm 141 is in input arm 112 in the circumferential direction of transmission gear 11 Position at 112 abutting contact of input arm.

Handle box is installed to after printer, after rotary force receives the rotary driving force that head 12 receives the transmitting of transmission shaft 100 Transmission gear 11 is passed to by input arm 112, so that transmission gear 11 be driven to rotate.

The process that handle box takes out from printer includes the following steps.

It after the carbon dust in handle box has printed, needs to take out from printer, when pulling out handle box, due to mandril 131 It is separated with the transmission shaft 100 of printer, mandril 131 receives head 12 along rotary force under the action of the elastic restoring force of spring 132 Axis direction from rotary force receive head 12 end stretch out, meanwhile, output arm 141 is separated with input arm 112, output arm 141 It can dally inside transmission gear 11, when pulling on handle box, rotary force, which receives head 12, can be freely rotated certain angle Degree, while torsional spring 151 limits rotary force and receives the angle that head 12 rotates in the circumferential, so that the rotary force of handle box be made to receive First 12 completely disengage with the transmission shaft 100 of printer, and handle box is swimmingly taken out.

In addition, mandril, which also can be set, receives the outside of head in rotary force, and the axis of head is received in basic with rotary force It is arranged in parallel.

Handle box second embodiment

As the explanation of the utility model handle box second embodiment, below only to above-mentioned handle box first embodiment Difference is explained.

Referring to Fig. 7 to Fig. 9, rotation force transmission element 24 and mandril 231 are hinged, and the quantity of rotation force transmission element 24 is two, Two rotation force transmission elements 24 are symmetrical set centered on the axis of mandril, and rotation force transmission element 24 includes the company being hinged Bar 241 and output arm 242, connecting rod 241 are obliquely installed, and the first end and mandril 231 of connecting rod 241 are hinged, the second end of connecting rod 241 Hinged with output arm 242, output arm 242 can moving radially along transmission gear 21, output on the end wall of transmission gear 21 Arm 242 can be engaged or be separated with input arm 212.In the present embodiment, the position that output arm 242 is engaged with input arm 212 refers to It is greater than the nearest distance of the axis in input arm 212 to mandril 231 to the farthest distance of the axis of mandril 231 on output arm 242 When, the location of output arm 242；The position that output arm 242 is engaged with input arm 212 refers on output arm 242 to mandril 231 The farthest distance of axis be less than or equal in input arm 212 to the axis of mandril 231 it is nearest apart from when, 242 institute of output arm The position at place.

The fixing end that rotary force receives head 22 offers the radial loose slot 221 that head 22 is received through rotary force, connecting rod 241 are located in loose slot 221 and can move in loose slot 221.

Rotation force transfer unit further includes axial limiting part, and axial limiting part includes top cover 261 and retention bead 262, top Lid 261 is located at the open-position-side of transmission gear 21, namely receives the dog end of head 22 close to rotary force positioned at transmission gear 21.It accommodates Chamber 211 is parallel to the axial upper inner wall of transmission gear 21 and is equipped with the raised line (not shown) extended towards the radial center of transmission gear 21, The peripheral wall of top cover 261 is equipped with the card slot 2611 matched with raised line, and buckle card slot cooperation is formed between card slot 2611 and raised line, To which top cover 261 is fixed in transmission gear 21.

Retention bead 262 is arranged on the inner wall of accommodating chamber 211 and extends towards the radial center of transmission gear 21, rotary force The fixing end for receiving head 22 has fixed part 222, and fixed part 222 is between top cover 261 and retention bead 262,261 He of top cover The cooperation limitation rotary force of retention bead 262 receives displacement of the head 22 in 21 axial direction of transmission gear, so that rotary force receives head 22 It is relatively fixed with transmission gear 21 in the axial direction of transmission gear 21.

The closed side of transmission gear 21 is provided with bottom cover 214, and the bottom cover 214 can be integrally formed with transmission gear 21, It can also molding seperated with transmission gear 21.Bottom cover 214 offers spring mounting groove on the side wall of 211 side of accommodating chamber 2141, the spring 232 as axial return unit is located in spring mounting groove 2141, and the first end of spring 232 is connected to mandril 231 end, the second end of spring 232 are connected on the bottom wall of spring mounting groove 2414.

Referring to Figure 10 to Figure 12, the installation to handle box in the present embodiment below and taking-up process are described as follows.

The installation process of handle box includes the following steps.

After handle box is packed into printer first, mandril 231 is mobile to separate 200 side of transmission shaft, and applies to spring 232 Add active force, 232 forced compression of spring.Meanwhile mandril 231 drives connecting rod 241 to rotate, to drive output arm 242 along biography Pass the radial to mobile close to 212 side of input arm of gear 21.

Before output arm 242 is moved to the position engaged with input arm 212, apart from the axis of mandril 231 on output arm 242 The farthest distance of line is less than or equal to the nearest distance of the axis in input arm 212 apart from mandril 231, and rotary force receives 22 phase of head Transmission gear 21 is freely rotated in the circumferential, torsional spring (not shown) limits rotary force and receives what head 22 rotated in the circumferential Angle, so that rotary force receives head 22 and rotates certain angle when the transmission shaft 200 of dog 224 and printer occurs to support and touches interference Degree is avoided, so that rotary force, which receives head 22, swimmingly to be engaged with the transmission shaft of printer 200, ensure that processing Box falls the smoothness of machine.

Then, mandril 231 drives output arm 242 to be moved on the position that output arm 242 is engaged with input arm 212, at this point, In the circumferential direction of transmission gear 21, output arm 242 at the position of input arm 212 with 212 abutting contact of input arm.

Handle box is installed to after printer, after rotary force receives the rotary driving force that head 22 receives the transmitting of transmission shaft 200 Transmission gear 21 is passed to by input arm 212, so that transmission gear 21 be driven to rotate.

The process that handle box takes out from printer includes the following steps.

It after the carbon dust in handle box has printed, needs to take out from printer, when pulling out handle box, due to mandril 231 It is separated with the transmission shaft 200 of printer, mandril 231 receives head 22 along rotary force under the action of the elastic restoring force of spring 232 Axis direction from rotary force receive head 22 end stretch out, while connecting rod 241 rotate and drive output arm 242 along transmitting tooth The radial axis direction movement to close to transmission gear 21 of wheel 21.Then, output arm 242 is separated with input arm 212, output arm 242 can dally inside transmission gear 21, and when pulling on handle box, rotary force receives head 22 and can be freely rotated centainly Angle, while torsional spring limits rotary force and receives the angle that head 22 rotates in the circumferential, so that the rotary force of handle box be made to receive First 22 completely disengage with the transmission shaft 200 of printer, and handle box is swimmingly taken out.

Handle box 3rd embodiment

As the explanation of the utility model handle box 3rd embodiment, below only to above-mentioned handle box first embodiment Difference is explained.

It further includes driving mechanism 37 that force transfer unit is rotated referring to Figure 13 and Figure 20, in the present embodiment, and box body 30 is far from rotation Turn 3 side of force transfer unit with end cap 302, driving mechanism 37 is mounted on end cap 302, and driving mechanism 37 and mandril 331 connections simultaneously apply active force to the forced section of mandril 331 3310.

Referring to Figure 14 and Figure 15, driving mechanism 37 includes push rod 371 and dynamic clamping head and quiet clamping head, and dynamic clamping head and quiet clamping head is spring 372, Push rod 371 is arranged perpendicular to mandril 331, and push rod 371 includes force side 3711 and force side 3712, and force side 3711 is for receiving The active force of printer door closure, force side 3712 can push mandril 331 mobile.Spring mounting groove 3021 is offered on end cap 302, Spring 372 is arranged in spring mounting groove 3021, and the middle part of push rod 371 is provided with spring fixing portion 3711, spring fixing portion 3711 protrude into spring mounting groove 3021 perpendicular to the extending direction and spring fixing portion 3711 of push rod 371, one end of spring 372 It is fixed on spring fixing portion 3711, the other end of spring 372 is connected on the side wall of spring mounting groove 3021, spring 372 Extending direction is parallel to push rod 371.

Referring to Figure 15 to Figure 18, the force side 3712 of push rod 371 has guide groove 3713 and two guide portions 3714, guiding Slot 3713 is located between two guide portions 3714, and guide portion 3714 includes release face 37141, retraction face 37142 and is connected to Joint face 37143 between release face 37141 and retraction face 37142, retraction face 37142 and release face 37141 are along photosensitive drums The plane radially extended, joint face 37143 is connection and releases the plane between face 37141 and retraction face 37142, is retracted face 37142, joint face 37143 and release face 37141 constitute the guide surface of push rod 371 in the present embodiment, and mandril is located at guide groove It is in 3713 and adjacent with the guide surface.

Release face 37141 and retraction face 37142 have difference in height L1 in the axial direction of mandril 331, release face 37141 in axis It is greater than retraction face 37142 at a distance from 371 bottom surface of push rod upwards in the axial direction at a distance from 371 bottom surface of push rod, in the present embodiment, The bottom surface of push rod 371 is push rod 371 towards the face of box body 30.

Referring to Figure 14, Figure 19 and Figure 20, the 331 spinning power of mandril in the present embodiment receives the internal stretch of head 32 to feeling The inside of light drum 301 is simultaneously stretched out from photosensitive drums 301 far from one end of rotation force transfer unit 3, and mandril 331 includes 3311 He of bar portion The ground connection pin 3312 of one end positioned at bar portion 3311 far from rotation force transfer unit 3, photosensitive drums 301 are far from rotary force transmitting group One end of part 3 realizes positioning and the ground connection of photosensitive drums 301 by ground connection pin 3312 simultaneously, and forced section 3310 is located at ground connection On pin 3312.

Ground connection pin 3312 includes the plunger 33121 axially set gradually, the first cylindrical section 33122 and is used to prop up The second cylindrical section 33123 of photosensitive drums 301 is supportted, the second cylindrical section 33123 is connect with bar portion, is grounded the first cylinder of pin 3312 Section 33122 and 30 clearance fit of box body, and the diameter of plunger 33121 is greater than the diameter of the first cylindrical section 33122, the first cylindrical section 33122 diameter is greater than the diameter of the second cylindrical section 33123, and forced section 3310 is located at the first cylindrical section 33122 close to the second circle The end wall of 33123 side of shell of column, the second cylindrical section 33123 are located in guide groove, and forced section 3310 and guide surface are adjacent.

The fixed part 3235 that rotary force receives head 32 in the present embodiment is provided with limiting section 361 far from one end of dog 324, Limiting section 361 extends outwardly in the side wall that rotary force receives the radially self-fixed department 3235 of head 32, limiting section 361 and transmitting tooth The outer surface of the end wall 314 of wheel 31 is adjacent, the step and transmitting that in addition the junction of main part 3234 and fixed part 3235 is formed The abutment of the end wall 314 of gear 31, therefore, limiting section 361 cooperate limitation rotary force reception head 32 transmitting with step Displacement in 31 axial direction of gear.

The installation process of handle box includes the following steps.

When handle box is installed, handle box is put into after printer and before covering door closure, output arm 341 and input arm 312 Separation, output arm 341 have gap in the projection of 331 axis of mandril and input arm 312 between the projection of 331 axis of mandril, Rotary force receive head 32 it is free to rotate in the circumferential relative to transmission gear 31, at this point, the retraction face 37142 of push rod 371 with Forced section 3310 contacts.

After covering door closure, x direction of the door closure in Figure 14 pushes push rod 371, effect of the spring 372 in 371 thrust of push rod Lower compression, meanwhile, push rod 371 moves forward, and forced section 3310 is slided into adjacent with release face 37141 by joint face 37143 Position on, due to release face 37141 and retraction face 37142 in the axial direction have difference in height L1, so being parallel to photosensitive drums In 301 axially directions, releases face 37141 and push mandril 331 mobile, and then mandril 131 drives output arm 341 to be moved to output On the position that arm 341 and the contour position of input arm 312 namely output arm 341 are engaged with input arm 312.It is complete that handle box falls machine At.

Handle box fourth embodiment

As the explanation of the utility model handle box fourth embodiment, below only to above-mentioned handle box second embodiment Difference is explained.

Referring to fig. 21, rotation force transfer unit 4 further includes the driving mechanism in handle box 3rd embodiment in the present embodiment 37。

It is to the inside of photosensitive drums and remote from photosensitive drums that mandril spinning power in the present embodiment receives the internal stretch of head 42 One end from rotation force transfer unit 4 is stretched out, and mandril 431 includes bar portion 4311 and is located at bar portion 4311 far from rotary force transmitting group The ground connection pin 4312 of one end of part 4.It is grounded in the structure and handle box 3rd embodiment of pin 4312 and is grounded pin 3312 Structure is identical.

Be provided with spring location division 43111 in bar portion 4311, spring location division 43111 from the peripheral wall of bar portion 4311 radially Extend outwardly, the first end of spring 432 is connected in spring location division 43111, and the second end of spring 432 is connected to spring installation On the bottom wall of slot 4414.

The 5th embodiment of handle box

As the explanation of the 5th embodiment of the utility model handle box, below only to above-mentioned handle box first embodiment Difference is explained.

Referring to fig. 22 to Figure 24, rotation force transfer unit 5 further includes driving mechanism 57 in the present embodiment, and driving mechanism 57 is pacified Mounted in box body on the end cap of rotation 5 side of force transfer unit, and driving mechanism 57 is connect and to forced section with mandril 531 5310 apply active force.

Driving mechanism includes driving lever 571 and rotary shaft 572, and driving lever 571 is hinged on end cap by rotary shaft 572, driving lever 571 are arranged perpendicular to mandril 531.Driving lever 571 includes force side 5711 and force side 5712, and force side 5711 receives printing gate The active force of lid 501, force side 5712 can push mandril 531 mobile.Driving lever 571 can be around perpendicular to 571 extending direction of driving lever Rotary shaft 572 rotate, which receives the axis of head 52 both perpendicular to rotary force, and rotary shaft 572 is located at force side Between 5711 and force side 5712.

The force side 5711 of driving lever 571 has guide surface 5713, and driving lever 571 is arranged in close to the one of box body in guide surface 5713 The door closure 501 of side and the guide surface 5713 towards printer is obliquely installed, and setting is closed in directed section 5011 on door closure 501 When door closure 501, guide surface 5713 is contacted with directed section 5011 and opposite sliding, meanwhile, the directed section 5011 of door closure 501 pushes away The force side 5711 of dynamic driving lever 571 is rotated to the direction (direction as shown in arrow R in Figure 22) far from box body.

Post rod mechanism 53 further includes force rod 533, force rod 533 be fixed on mandril 531 and mandril 531 radially Extend outwardly from the side wall of mandril 531.Rotary force, which receives, opens up that there are two along being parallel to rotary force on the neck 5231 of head 52 Receive the axially extending guide openings 52311 of head 52, two guide openings 52311 diameter on the peripheral wall that rotary force receives head 52 To being oppositely arranged, the both ends of force rod 533 are stretched out from two guide openings 52311 respectively, and force rod 533 can be along guide openings 52311 extending direction is mobile, and forced section 5310 is located at force rod 533 close to 524 side of dog, the force side of driving lever 571 5712 are set on the neck 5231 of mandril 531 and between dog 524 and force rod 533, and specifically, force side 5712 is opened Equipped with the opening 5714 radially extended for receiving head 52 along rotary force, neck 5231 is located in opening 5714.

The installation process of handle box includes the following steps.

When handle box is installed, before handle box is put into after printer and covers door closure 501, output arm 541 and input arm 512 separation, output arm 541 is between the projection of 531 axis of mandril and input arm 512 have between the projection of 531 axis of mandril Gap, it is free to rotate in the circumferential relative to transmission gear 51 that rotary force receives head 52.

After covering door closure 501, door closure 501 pushes the force side 5711 of driving lever 571, R side of the force side 5711 in Figure 22 To turning an angle, due to lever principle, force side 5712 applies active force to force rod 533 and pushes 533 edge of force rod Guide openings 52311 extending direction it is mobile, so that force rod 533 drives mandril 531 along the axial movement of mandril 531, And then mandril 531 drive output arm 541 be moved to output arm 541 and the contour position of input arm 512 namely output arm 541 with On the position that input arm 512 engages.Handle box falls machine completion.

Handle box sixth embodiment

As the explanation of the utility model handle box sixth embodiment, below only to above-mentioned handle box second embodiment Difference is explained.

5 and Figure 26 referring to fig. 2, rotation force transfer unit 6 further includes the drive in the 5th embodiment of handle box in the present embodiment Motivation structure 57.

Post rod mechanism 63 further includes force rod 633, force rod 633 be fixed on mandril 631 and mandril 631 radially Extend outwardly from the side wall of mandril 631.Rotary force, which receives, opens up that there are two along being parallel to rotary force on the neck 6231 of head 62 Receive the axially extending guide openings 62311 of head 62, two guide openings 62311 diameter on the peripheral wall that rotary force receives head 62 To being oppositely arranged, the both ends of force rod 633 are stretched out from two guide openings 62311 respectively, and force rod 633 can be along guide openings 62311 extending direction is mobile, and forced section 6310 is located at force rod 633 close to 624 side of dog, the force side of driving lever 671 6712 are set on the neck 6231 of mandril 631 and between dog 624 and force rod 633, and specifically, force side 6712 is opened Equipped with the opening 6714 radially extended for receiving head 62 along rotary force, neck 6231 is located in opening 6714.

Finally it is emphasized that the above is only the preferred embodiment of the utility model, it is practical new to be not limited to this Type, for those skilled in the art, the utility model can have various change and change, all essences in the utility model Mind and principle within, any modification, equivalent substitution, improvement and etc. done, should be included in the protection scope of the utility model it It is interior.

Claims (18)

1. rotating force transfer unit, it is characterised in that: including

Transmission gear, the inside of the transmission gear offer accommodating chamber, are provided on the inner wall of the accommodating chamber towards the biography Pass the input arm that the radial center of gear extends；

Rotary force receives head, and the rotary force receives head and connect and be used to receive rotary driving force with the transmission gear, described Rotary force receives head and the transmission gear is relatively fixed in the axial direction of the transmission gear；

Post rod mechanism, the post rod mechanism include mandril and axial return unit, and the mandril has forced section, and the forced section exists Drive the mandril along the axial movement for being parallel to the rotary force reception head under external force；

Rotation force transmission element, the rotation force transmission element are connect with the mandril, and the mandril drives the rotation force transmission element It is separated in the position that the rotation force transmission element and the input arm engage and the rotation force transmission element with the input arm It is moved between position, the axial direction return unit drives the mandril to reset.

2. rotation force transfer unit according to claim 1, it is characterised in that:

The rotation force transfer unit further includes driving mechanism, and the driving mechanism connect with the mandril and to the forced section Apply the active force that the dog end of head is received along the axial direction for being parallel to the rotary force reception head and backwards to the rotary force.

3. rotation force transfer unit according to claim 2, it is characterised in that:

The driving mechanism be located at the mandril far from the rotary force receive head one end, the driving mechanism include push rod and Dynamic clamping head and quiet clamping head, the push rod are arranged perpendicular to the mandril, and the push rod includes force side and force side, the stress termination By external force, the force side pushes the mandril mobile.

4. rotation force transfer unit according to claim 3, it is characterised in that:

The force side has guide groove and guide portion, and the mandril is located in the guide groove and abuts with the guide portion, The guide portion includes release face, retraction face and the joint face being connected between the release face and the retraction face, described Release face and the retraction face have difference in height in the axial direction of the mandril.

5. rotation force transfer unit according to claim 4, it is characterised in that:

The mandril includes bar portion and ground connection pin, and the ground connection pin is located at the bar portion and receives the one of head far from rotary force End, the ground connection pin are located in the guide groove and abut with the guide portion.

6. rotation force transfer unit according to claim 2, it is characterised in that:

The driving mechanism is located at one end that the mandril receives head close to the rotary force, and the driving mechanism includes driving lever, The driving lever includes force side and force side, and the force side receives external force, and the force side pushes the mandril mobile；

The driving lever can be rotated around the rotary shaft perpendicular to the driving lever extending direction, and the rotary shaft is located at the force side Between the force side, the force side is set on the mandril.

7. rotation force transfer unit according to claim 6, it is characterised in that:

One end that the rotary force receives head has dog, and the post rod mechanism further includes force rod, and the force rod is fixed on Extend outwardly on the mandril and in the side wall radially from the mandril of the mandril, the force rod is located at the mandril It is upper at the dog, the rotary force, which receives, opens up that there are two along the axial direction for being parallel to the rotary force and receiving head on head The first guide openings extended, two first guide openings are diametrically set on the peripheral wall that the rotary force receives head It sets, the both ends of the force rod are stretched out from two first guide openings respectively, and the force rod can be led along described first Mobile to the extending direction of opening, the force side is between the dog and the force rod.

8. rotation force transfer unit according to any one of claims 1 to 7, it is characterised in that:

The rotation force transmission element includes output arm, the output arm be fixed on the mandril and the mandril radially Extend outwardly from the side wall of the mandril；

It is offered on the side wall of the rotary force reception head along axially extending second for being parallel to the rotary force reception head Guide openings, the output arm pass through second guide openings and can move along the extending direction of second guide openings It is dynamic.

9. rotation force transfer unit according to claim 8, it is characterised in that:

The rotation force transfer unit further includes axial limiting part, and the axial limiting part receives the radial direction of head in the rotary force On extend outwardly from the side wall that the rotary force receives head, the axial limiting part be located at outside the transmission gear and with it is described The end wall of transmission gear is adjacent.

10. rotation force transfer unit according to claim 8, it is characterised in that:

The axial direction return unit is elastic component, and the elastic component is set in the rotary force and receives outside head, the of the elastic component One end is connected on the output arm, and the second end of the elastic component is connected on the end wall of the transmission gear.

11. rotation force transfer unit according to any one of claims 1 to 7, it is characterised in that:

The mandril and the rotary force receive head coaxial arrangement, and the rotation force transmission element and the mandril are hinged, the rotation Turn the quantity at least two of power transmission part, multiple rotation force transmission elements are in symmetrically to set centered on the axis of the mandril It sets, the rotation force transmission element includes the connecting rod and output arm being hinged, the link tilt setting, and the first of the connecting rod End is hinged with the mandril, and the second end of the connecting rod and the output arm are hinged, and the output arm can be in the transmission gear End wall on moving radially along the transmission gear, the output arm can with the input arm engage or separate.

12. rotation force transfer unit according to claim 11, it is characterised in that:

The fixing end that the rotary force receives head offers the radial loose slot that head is received through the rotary force, the connecting rod It can move in the loose slot and in the loose slot.

13. rotation force transfer unit according to claim 12, it is characterised in that:

The rotation force transfer unit further includes axial limiting part, and the axial limiting part includes top cover and retention bead, described Top cover is located at the dog end that the transmission gear receives head close to the rotary force, and the retention bead is arranged in the accommodating chamber Inner wall on and extend towards the radial center of transmission gear, the fixing end that the rotary force receives head be located at the top cover with it is described Between retention bead.

14. rotation force transfer unit according to claim 12 or 13, it is characterised in that:

The axial direction return unit is elastic component, and the first end of the elastic component is connected to the end of the mandril, the elastic component Second end be connected on the end wall of the transmission gear.

15. roller, the roller include roll body and be mounted on the roll body an axial end rotation force transfer unit；

It is characterized by:

The rotation force transfer unit is any one of claim 1 to 14 rotation force transfer unit.

16. handle box, the handle box includes box body and the roller that is rotatably supported between the box body end walls, described Roller include roll body and be mounted on the roll body an axial end rotation force transfer unit；

It is characterized by:

The rotation force transfer unit is any one of claim 1 to 14 rotation force transfer unit.

17. handle box according to claim 16, it is characterised in that:

The rotation force transfer unit further includes corner limitation component, and the corner limitation component includes torsional spring and shaft bearing plate, institute It states shaft bearing plate and is mounted on the box body the close rotation force transfer unit side, offer guide groove on the shaft bearing plate, The torsional spring includes spring coil and two torque arm, and the rotary force receives head and is clamped between two torque arm, two torsions The end of arm is protruded into the guide groove, and positioning column is provided on the side wall of the box body, and the spring coil is set in the positioning On column.

18. handle box according to claim 17, it is characterised in that:

The rotary force, which receives, is arranged restraining position ring block on the position at the nearly dog end of head rest, and the stop collar from the rotary force by connecing The protrusion composition that the peripheral wall of head extends radially outward is received, one of the stop collar far from the dog end is arranged in the torsional spring Side, the torsional spring and the stop collar are adjacent.