CN208421533U - Handle box - Google Patents

Abstract

The utility model provides a kind of handle box, including rotating force transfer unit, rotating force transfer unit includes drum gear, rotational force transmitting part, rotary force receives head and limit assembly, drum gear has accommodating chamber, it accommodates cavity wall and is equipped with input arm, rotational force transmitting part has channel parts, central axis and Flexible Reset component, channel parts have upper hopper chute and gliding groove, rotary force receives head and is slidably matched in a first direction with upper hopper chute, central axis is slidably matched in second direction and gliding groove, central axis can be connect with rotating about the axis with drum gear, central axis can be resisted against accommodating chamber bottom, central axis outer wall is equipped with output arm, output arm can be with input arm abutting contact, Flexible Reset component forces output arm far from input arm, limit assembly receives head in the displacement slided perpendicular to drum gear axis direction for limiting rotary force, and Head is received far from drum gear movement for limiting rotary force.Handle box can swimmingly fall machine and remove from host, and print performance is stablized.

Description

Handle box

Technical field

The utility model relates to printing consumables technical fields, more particularly, to a kind of handle box.

Background technique

The imaging of electro photography forms equipment such as laser printer, is a kind of utilization electrofax principle, at least through Charging, exposure are developed, and are transferred, fixing, and clean process forms the equipment of image on image forming medium such as paper.Imaging The material of the easy consumption used in equipment is generally called printing consumables.In general, carbon dust consumed by developing generally is mentioned by handle box For, after the carbon dust in handle box is finished, then the handle box more renewed.

Existing handle box, generally include powder cabin, be arranged in powder cabin with developing cell cooperation driving part, development Conductive contact in roller, powder outlet cutter, transmission gear and conducting end and conducting end on handle box end cap, and comprising useless The developing device of powder cabin and photosensitive drums.Handle box is placed in imaging device, the rotation force transfer unit of handle box by with Drive shaft coupling in imaging device is set, and rotation force transfer unit is as the drive shaft turns of imaging device are at realization Developing cell rotates in a circumferential direction movement in reason box.The conductive contact of handle box conducting end is contacted with conductive site on imaging device, is made Handle box internal development component according to design feature it is positively charged pressure or negative voltage powder cabin inside carbon dust developer roll and other To photosensitive drums powder supply under the effect of component electric field force, to develop to photosensitive drums, then carbon dust is transferred on paper by transferring. When the carbon dust in handle box exhausts, handle box need to be unloaded from imaging device.

A kind of rotation force transfer unit of existing handle box is the drive connection structure using sphere type universal joint, is being transported During, rotation force transfer unit is easily separated from, and causes photosensitive drums that can not receive driving force, can not be just so as to cause handle box It is often used.

In addition there are also a kind of handle box, the gear positioning that the driving body of rod in force transfer unit passes through Locating driver is rotated Component, and can be slided relative to gear axial reciprocating, when mounting and dismounting handle box, rotation force transfer unit holds It is easily stuck with the drive rod of imaging device, cause to rotate force transfer unit and drive shaft damage, causes handle box can not normal work Make.

Summary of the invention

In order to realize the main purpose of the utility model, the utility model provides a kind of handle box, it is intended to improve handle box It is falling machine and is removing the smoothness of process from host, and print performance is stablized.

In order to realize the main purpose of the utility model, the utility model provides a kind of handle box, including box body and can revolve Be supported on photosensitive drums between box body end walls with turning, photosensitive drums include drum barrel and be installed on drum barrel an axial end rotation Force transfer unit, rotation force transfer unit include that drum gear, rotational force transmitting part, rotary force receive head and limit assembly, Rotary force, which receives head, has opening for receiving the rotary force from laser printer host driven axis, axial one end of drum gear Accommodating chamber, the inner wall of accommodating chamber is equipped with the input arm extended towards the radial center of drum gear, and rotational force transmitting part has Channel parts, central axis and Flexible Reset component, channel parts have spatially orthogonal upper hopper chute and gliding groove, rotary force The one end for receiving head forms with upper hopper chute slidably cooperates relatively in a first direction, one end of central axis in a second direction with Gliding groove is formed slidably to be cooperated relatively, and first direction and second direction are each perpendicular to the axis of drum gear, and central axis can be around it Axis is rotatably connect with drum gear, and the other end of central axis is resisted against the bottom of accommodating chamber, and the outer wall of central axis is equipped with edge Its output arm radially extended, in the circumferential direction of drum gear, output arm can be with input arm abutting contact, Flexible Reset component Force output arm far from input arm, limit assembly is used to limit rotary force and receives head in the axis direction sliding perpendicular to drum gear Displacement, and to receive head mobile far from drum gear for limiting rotary force.

It is connect it can be seen that central axis receives head with rotary force by channel parts, the other end of central axis is resisted against receiving The bottom of chamber, limit assembly receive head far from drum gear movement, so that rotary force receives head in the axial direction for limiting rotary force Position is fixed.The outer wall of central axis is equipped with the output arm radially to extend outwardly, and in the circumferential direction of drum gear, output arm can With input arm abutting contact, Flexible Reset component forces output arm far from input arm, thus make rotary force receive two of head it is convex Pawl is placed towards a fixed-direction to laser printer always, fall during machine the obstruction that not will receive certain components and It interferes and generates stuck phenomenon, it is more smoothly with the cooperation of laser printer host driven axis.Also, limit assembly is for limiting Rotary force processed receives head in the displacement of the axis direction sliding perpendicular to drum gear, i.e. rotary force receives head perpendicular to drum gear Axis direction can be slided within the scope of certain displacement, so that rotary force is received the cooperation of head and laser printer host driven axis more It is smooth.One end that rotary force receives head is formed with upper hopper chute in a first direction slidably to be cooperated relatively, one end of central axis It is formed with gliding groove and is slidably cooperated relatively in a second direction, first direction and second direction are each perpendicular to the axis of drum gear Line, makes rotary force receive head and laser printer host driven axis mutual dislocation, and realization is disengaged, can swimmingly be taken at this time Handle box out.Therefore, it is more stable to fall machine for above-mentioned handle box, print it is more stable, laser printer host driven axis and handle box Rotary force receives head and can correctly and fully be engaged, and improves the compatibility of handle box, cost performance is higher.

Further scheme is that limit assembly includes limiting section, keeps end cap and tension spring, and end cap is kept to be mounted on box On the end face of body, the both ends of tension spring are connect with end cap and limiting section is kept respectively, and limiting section is in the axis side perpendicular to drum gear To slideably cooperating with end cap is kept, limiting section receives head far from drum gear movement for limiting rotary force, and limiting section opens up There is limiting through hole, rotary force receives head and is arranged through limiting through hole.

Further scheme is, it includes outer end, inner end and axle portion that rotary force, which receives head, axle portion be located at outer end with Between inner end, axle portion through limiting through hole be arranged, inner end be resisted against on limiting section and in a first direction with upper hopper chute shape At slidably cooperating relatively, it is arranged protrudingly positioned at outer end there are two dog, two dogs receive head about rotary force Axis formed central symmetry.

Further scheme is that tension spring keeps end cap prolonging along tension spring in the axis direction extension perpendicular to drum gear It stretches direction and offers sliding slot, limiting section slideably cooperates with sliding slot.

Further scheme is that tension spring extends in a first direction.

Further scheme is that the boss of prominent end face is provided on limiting section, backstop of the boss towards tension spring direction Face is obliquely arranged, and stop surface, which can be resisted against, to be kept on end cap.

Further scheme is that the quantity of output arm and input arm is two, and two output arms are about central axis Axis forms central symmetry, and two input arm form central symmetry, in the circumferential direction of drum gear, two about the axis of drum gear Output arm is located between two input arm.

Further scheme is that Flexible Reset component is torsional spring, and accommodating chamber is set in the circumferential direction between two input arm Be equipped with fixed column, a torque arm of torsional spring is fixed on the output arm being located in same semicircle with fixed column, torsional spring another Torque arm is fixed in fixed column.

Further scheme is, the shaft core position in accommodating chamber bottom is extended axially by cylindrical portion, central axis it is another It is resisted against to the pilot hole clearance fit of one end and cylindrical portion the bottom of accommodating chamber, the ring of torsional spring covers the external annulus in cylindrical portion On.

Further scheme is that the handle portion of the axis direction extension along photosensitive drums is provided on box body, in photosensitive drums Axis direction on, the side of the neighbouring rotation force transfer unit of handle portion and the distance between box body center line are remote greater than handle portion The distance between other side and box body center line from rotation force transfer unit.

It can be seen that the side setting of the neighbouring rotation force transfer unit of the handle portion of handle box, holds handle box in user Handle portion handle box is placed to laser printer inside during, or handle box is taken out inside the laser printer In the process, rotary force receives head and smoothly slides in upper hopper chute along first direction, and central axis is also along second party in gliding groove To smoothly sliding, tilt angle is not present, interference will not be generated.Moreover, rotary force, which receives head, can pass through limiting section and drawing Spring is smoothly slided in the axis direction perpendicular to drum gear, and two dogs for making the rotary force of handle box receive head realize disengaging Contact, it is convenient that handle box is taken out out of laser printer.

Detailed description of the invention

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

Fig. 2 is the main view of the utility model handle box embodiment.

Fig. 3 is the local structural graph of photosensitive drums in the utility model handle box embodiment.

Fig. 4 is the structure chart that force transfer unit is rotated in the utility model handle box embodiment.

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

Fig. 6 is the structure chart of drum gear in the utility model handle box embodiment.

Fig. 7 is the structure chart of torsional spring and central axis cooperation in the utility model handle box embodiment.

Fig. 8 is the structure sectional view cooperated between drum gear, torsional spring and central axis in the utility model handle box embodiment.

Fig. 9 is the top view cooperated between drum gear, torsional spring and central axis in the utility model handle box embodiment.

Figure 10 is the structure chart of limit assembly in the utility model handle box embodiment.

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

Specific embodiment

Referring to Fig. 1 to Fig. 3, handle box 1 includes box body 2 and the photosensitive drums being rotatably supported between 2 end walls of box body, Photosensitive drums include drum barrel 4 and be installed on drum barrel 4 an axial end rotation force transfer unit 3.Wherein, it is provided on box body 2 The handle portion 21 extended along the axis direction of photosensitive drums, on the axis direction of photosensitive drums, handle portion 21 is transmitted adjacent to rotary force The distance between the side of component 3 and 2 center line H of box body be greater than handle portion 21 far from rotation force transfer unit 3 the other side with The distance between 2 center line H of box body.According to the needs that user holds, the overall structure of handle portion 21 can be located at 2 center line of box body The side of the neighbouring rotation force transfer unit 3 of H, alternatively, the overall structure of handle portion 21 may span across 2 center line H of box body setting.This reality The overall structure for applying a handle portion 21 is to be arranged across 2 center line H of box body, and handle portion 21 is adjacent to rotation force transfer unit 3 The distance between side and 2 center line H of box body L1 are greater than the other side and box body 2 of the handle portion 21 far from rotation force transfer unit 3 The distance between center line H L2.

Referring to Fig. 3 to Fig. 5, rotating force transfer unit 3 includes drum gear 31, rotational force transmitting part, rotary force reception head 35 and limit assembly, rotary force receives head 35 for receiving the rotary force from laser printer host driven axis, limit group Part is used to limit rotary force and receives head 35 in the displacement of the axis direction sliding perpendicular to drum gear 31, and for limiting rotation It is mobile far from drum gear 31 that power receives head 35.It includes outer end 351, inner end 355 and axle portion, axle portion position that rotary force, which receives head 35, Between outer end 351 and inner end 355, axle portion has a cylindrical section 354 and oval section 353, oval section 353 respectively with cylindrical section 354 one end and outer end 351 connect, and the other end of cylindrical section 354 is connect with inner end 355, the major radius of oval section 353 and The radius of cylindrical section 354 is identical.Be arranged protrudingly positioned at outer end 351 there are two dog 352, two dogs 352 about The axis that rotary force receives head 35 forms central symmetry, and two dogs 352 can be engaged with laser printer host driven axis.

Referring to Fig. 6, axial one end of drum gear 31 has open accommodating chamber 311, has on the outer circumference surface of drum gear 31 There is transmission gear ring 312, the inner wall of accommodating chamber 311 is equipped with the input arm 316 extended towards the radial center of drum gear 31, is accommodating The shaft core position of 311 bottom 313 of chamber is extended axially by cylindrical portion 314.The quantity of this implementation input arm 316 is two, and two A input arm 316 forms central symmetry about the axis of drum gear 31.In accommodating chamber 311 and be located at two input arm 316 it Between circumferential direction on be respectively formed with two fixed columns 317, compartment of terrain between two of them fixed column 317 and two input arm 316 Circumferential direction along drum gear 31 is uniformly distributed.

Rotational force transmitting part has channel parts 36, central axis 37 and Flexible Reset component, and central axis 37 can be around its axis It is rotatably connect with drum gear 31, the other end of central axis 37 is resisted against the bottom 313 of accommodating chamber 311, the outer wall of central axis 37 It is equipped with the output arm 373 radially to extend outwardly, in the circumferential direction of drum gear 31, output arm 373 can be supported with input arm 316 By contact, Flexible Reset component forces output arm 373 far from input arm 316.

Referring to Fig. 7 to Fig. 9, the present embodiment central axis 37 has head 371 and bar portion 372, and head 371 is located at bar portion 372 One end, the cross section on head 371 is substantially in the shape of a " convex ", and output arm 373 is located at bar portion 372 on the one end on head 371, The other end of bar portion 372 is resisted against the bottom 313 of accommodating chamber 311 with 315 clearance fit of pilot hole of cylindrical portion 314.This reality The quantity for applying an output arm 373 is two, and two output arms 373 form central symmetry about the axis of central axis 37.In drum In the circumferential direction of gear 31, two output arms 373 are located between two input arm 316.The present embodiment Flexible Reset component is Torsional spring 38, the ring of torsional spring 38 cover on the external annulus of cylindrical portion 314, and a torque arm of torsional spring 38 is fixed on an output arm On 373, another torque arm of torsional spring 38 is fixed in the fixed column 317 being located in same semicircle with the output arm 373.Along drum tooth The circumferential direction of wheel 31, the circumferential elastic restoring force of torsional spring 38 force two output arms 373 to be located between two input arm 316, That is the elastic restoring force of torsional spring 38 circumferentially forces output arm 373 far from input arm 316.

Channel parts 36 are to open slotted cylindrical body, and top has the upper hopper chute 361 radially penetrated through, and bottom has radial The cross section of the gliding groove 362 of perforation, the upper hopper chute 361 and gliding groove 362 is substantially in " mouth " font, upper hopper chute 361 and downslide Slot 362 is spatially mutually perpendicular to.The cross section that rotary force receives the inner end 355 of head 35 is substantially in the shape of a " convex ", inner end 355 convex section can radially cooperate slidingly back and forth in upper hopper chute 361 relative to channel parts 36, i.e., slide in a first direction It is dynamic.The convex section on the head 371 of central axis 37 can radially match slidingly back and forth in gliding groove 362 relative to channel parts 36 It closes, i.e., slides in a second direction.So that first direction and second direction are each perpendicular to the axis of drum gear 31.

Referring to Figure 10, limit assembly includes limiting section 33, keeps end cap 32 and tension spring 34, and end cap 32 is kept to be mounted on box On the end face of body 2, the both ends of tension spring 34 are connect with end cap 32 and limiting section 33 is kept respectively, and limiting section 33 is perpendicular to drum gear 31 axis direction slideably cooperates with end cap 32 is kept, and limiting section 33 receives head 35 far from drum gear for limiting rotary force 31 is mobile, and limiting section 33 offers limiting through hole 331, and the cylindrical section 354 that rotary force receives the axle portion of head 35 runs through limiting through hole 331 setting, rotary force receive head 35 inner end 355 be resisted against on limiting section 33 and in a first direction with 361 shape of upper hopper chute At slidably cooperating relatively.Tension spring 34 is in the axis direction extension perpendicular to drum gear 31, and the present embodiment tension spring 34 is along first party To extension, end cap 32 is kept to offer sliding slot 321 along the extending direction of tension spring 34, limiting section 33 is slideably matched with sliding slot 321 It closes.The boss 332 of prominent end face is provided on limiting section 33, the stop surface in the boss 332 towards 34 direction of tension spring is obliquely set It sets, stop surface, which can be resisted against, to be kept on end cap 32.

Central axis 37 and drum gear 31 are coaxially disposed, and the bar portion 372 of central axis 37 is resisted against the bottom 313 of accommodating chamber 311, In the axial direction, central axis 37 receives head 35 with rotary force by channel parts 36 and connect, while rotary force receives the inner end of head 35 355 are resisted against on limiting section 33, and torsional spring 38 forces central axis 37, channel parts 36 and rotary force to connect along axial elastic restoring force Head 35 is received to fix position in the axial direction.

When handle box 1 needs to place to laser printer, user holds the handle portion 21 of handle box 1 handle box 1 places to laser printer, and two dogs of rotary force reception head 35 are forced using the circumferential elastic restoring force of torsional spring 38 352 place towards a fixed-direction, while rotary force receives head 35 and slides in upper hopper chute 361 along first direction, central axis 37 Slided in a second direction in gliding groove 362, thus make rotary force receive head 35 two dogs 352 steadily with laser printing The occlusion of machine host drive shaft, at this moment rotary force receives head 35 and may be implemented to be rotatably assorted with laser printer host driven axis. If dog 352 and laser printer host driven axis that rotary force receives head 35 are in the presence of interfering, rotary force receives head 35 can By limiting section 33 in the axis direction sliding perpendicular to drum gear 31, so that the position of adjust automatically dog 352 avoids and swashs The interference of optical printer host driven axis.Laser printer is started to work, and two dogs 352 and laser printer host driven axis are steady Fixed cooperation to drive photosensitive drums to stablize rotation, at this time the input arm 316 of the output arm 373 of central axis 37 and drum gear 31 against Contact.Therefore, handle box 1 not will receive during falling machine certain components obstruction and interference and generate stuck phenomenon, It is more smoothly with the cooperation of laser printer host driven axis.

After the carbon dust in handle box 1 has printed, need at laser printer inside taking-up handle box 1, user's gripping The handle portion 21 of reason box 1 pulls handle box 1 outward, moves a certain distance handle box 1 outward, and at this moment rotary force receives head 35 slide in upper hopper chute 361 along first direction, and central axis 37 also slides in gliding groove 362 in a second direction, to make to revolve Turn power and receive head 35 in the axis direction translation perpendicular to laser printer host driven axis, rotary force is made to receive head 35 and laser Printer host drive shaft mutual dislocation, realization disengage, and can swimmingly take out handle box 1 at this time.Place after taking-up Box 1 is managed under the circumferential elastic restoring force effect of torsional spring 38, forces two dogs 352 of rotary force reception head 35 to reset back original Fixed-direction, two dogs 352 for making the rotary force of handle box 1 receive head 35 can be placed into again laser with fixed-direction and beat In print machine.

The side setting of the neighbouring rotation force transfer unit 3 of the handle portion 21 of handle box 1 holds the hand of handle box 1 in user During shank 21 places handle box 1 to laser printer inside, or handle box 1 is taken out inside laser printer In the process, rotary force receives head 35 and smoothly slides in upper hopper chute 361 along first direction, and central axis 37 is also in gliding groove 362 It inside smoothly slides in a second direction, tilt angle is not present, interference will not be generated.Moreover, rotary force, which receives head 35, to be led to It crosses limiting section 33 and tension spring 34 smoothly to slide in the axis direction perpendicular to drum gear 31, receives the rotary force of handle box 1 First 35 two dogs 352 realization disengages, convenient that handle box 1 is taken out out of laser printer.The present embodiment handle box 1 is fallen Machine is more stable, and printing is more stable, and the rotary force of laser printer host driven axis and handle box 1 receives head 35 can be correct and abundant Ground occlusion, improves the compatibility of handle box 1, cost performance is higher.

Above embodiments, only preferred embodiments of the utility model, be not to limit the utility model practical range, therefore it is all According to the equivalent change or modification that the structure, feature and principle of present utility model application the scope of the patents is done, this reality should be included in With in new patent application range.

Claims (10)

1. handle box, including box body and the photosensitive drums being rotatably supported between the box body end walls, the photoreceptor drum It includes drum barrel and is installed on the rotation force transfer unit of an axial end of the drum barrel, it is characterised in that:

The rotation force transfer unit includes that drum gear, rotational force transmitting part, rotary force receive head and limit assembly, described Rotary force receives head for receiving the rotary force from laser printer host driven axis, and axial one end of the drum gear has Open accommodating chamber, the inner wall of the accommodating chamber are equipped with the input arm extended towards the radial center of the drum gear；

The rotational force transmitting part has channel parts, central axis and Flexible Reset component, and the channel parts have spatially Orthogonal upper hopper chute and gliding groove, one end that the rotary force receives head form phase with the upper hopper chute in a first direction To slidably cooperating, one end of the central axis is formed with the gliding groove in a second direction slidably to be cooperated relatively, described First direction and the second direction are each perpendicular to the axis of the drum gear；

The central axis can be connect with rotating about the axis thereof with the drum gear, and the other end of the central axis is resisted against the appearance Receive the bottom of chamber, the outer wall of the central axis is equipped with the output arm radially to extend outwardly, in the circumferential direction of the drum gear On, the output arm can force the output arm far from described defeated with the input arm abutting contact, the Flexible Reset component Enter arm；

The limit assembly is used to limit the rotary force and receives head in the position of the axis direction sliding perpendicular to the drum gear It moves, and receive head far from drum gear movement for limiting the rotary force.

2. handle box according to claim 1, it is characterised in that:

The limit assembly includes limiting section, keeps end cap and tension spring, the end face for keeping end cap to be mounted on the box body On, the both ends of the tension spring are connect with the holding end cap and the limiting section respectively, and the limiting section is perpendicular to the drum The axis direction of gear slideably cooperates with the holding end cap, and the limiting section is remote for limiting the rotary force reception head Mobile from the drum gear, the limiting section offers limiting through hole, and the rotary force receives head and sets through the limiting through hole It sets.

3. handle box according to claim 2, it is characterised in that:

It includes outer end, inner end and axle portion that the rotary force, which receives head, and the axle portion is located at the outer end and the inner end Between portion, the axle portion is arranged through the limiting through hole, and the inner end is resisted against on the limiting section and described first It is formed on direction with the upper hopper chute and is slidably cooperated relatively；

It is arranged protrudingly positioned at the outer end there are two dog, two dogs receive head about the rotary force Axis forms central symmetry.

4. handle box according to claim 3, it is characterised in that:

The tension spring is in the axis direction extension perpendicular to the drum gear, the extending direction for keeping end cap along the tension spring Sliding slot is offered, the limiting section slideably cooperates with the sliding slot.

5. handle box according to claim 4, it is characterised in that:

The tension spring extends along the first direction.

6. handle box according to claim 5, it is characterised in that:

The boss of prominent end face is provided on the limiting section, the stop surface in the boss towards the tension spring direction is obliquely set It sets, the stop surface can be resisted against on the holding end cap.

7. handle box according to claim 1, it is characterised in that:

The quantity of the output arm and the input arm is two, axis shape of two output arms about the central axis In a center of symmetry, two input arm form central symmetry about the axis of the drum gear；

In the circumferential direction of the drum gear, two output arms are located between two input arm.

8. handle box according to claim 7, it is characterised in that:

The Flexible Reset component is torsional spring, and the accommodating chamber is provided with fixation in the circumferential direction between two input arm Column, a torque arm of the torsional spring are fixed on the output arm being located in same semicircle with the fixed column, the torsional spring Another torque arm be fixed in the fixed column.

9. handle box according to claim 8, it is characterised in that:

Shaft core position in the accommodating chamber bottom is extended axially by cylindrical portion, the other end of the central axis and the cylinder It is resisted against to the pilot hole clearance fit in portion the bottom of the accommodating chamber, the ring of the torsional spring covers the outer ring in the cylindrical portion On wall.

10. handle box according to any one of claims 1 to 9, it is characterised in that:

The handle portion of the axis direction extension along the photosensitive drums is provided on the box body, in the axis direction of the photosensitive drums On, the handle portion is greater than the hand adjacent to the distance between the side of the rotation force transfer unit and the box body center line The other side and the box body center line the distance between of the shank far from the rotation force transfer unit.