CN208255637U - A kind of waste powder hopper and handle box - Google Patents

Abstract

The utility model relates to a kind of waste powder hopper and with the handle box of the waste powder hopper; waste powder hopper includes waste powder hopper shell, the cleaning device being removably mounted in useless powder shell and the guard member being installed in rotation in waste powder hopper shell, and guard member includes screening glass, the left arm connecting respectively with longitudinal two ends of screening glass and right arm and the first rotary body and the second rotary body that connect respectively with left arm and right arm；First rotary body includes the first rotary shaft extended to the direction far from the second rotary body；Second rotary body includes the second rotary shaft and third rotary shaft；The second supporting surface for being used to support cleaning device is formed in the wherein side of waste developer accommodating chamber；Waste powder hopper further includes the first surface opposite with the second supporting surface and the second surface adjacent with first surface; the distance between straight line that the rotation axis of guard member intersects with first surface and second surface is greater than the maximum gauge of the first rotary shaft, also greater than the maximum gauge of the second rotary shaft and third rotary shaft.

Description

A kind of waste powder hopper and handle box

Technical field

The utility model relates to electrophotographic image forming fields more particularly to one kind to be detachably mounted to electrophotographic image forming The handle box of equipment, the handle box include the waste powder hopper for accommodating waste developer.

Background technique

Handle box is commonly called as cartridge, wherein the developer of development is accommodated, when handle box is mounted to imaging device After (hereinafter referred to as " equipment "), the laser beam by being loaded with image-forming information irradiates sensitive piece surface, is formed on sensitive piece surface Electrostatic latent image, from developer supply part to sensitive piece surface supply developer, with developing electrostatic latent image, after sensitive piece will develop again Image be transferred on image forming medium, finally the image on image forming medium is fixed and is exported by equipment.

As described above, the service life length of handle box is directly proportional to the developer level accommodated in it, to prevent because of developer It is depleted that the usage experience for influencing terminal user stores handle box in chip in general, can be mounted chip on handle box The information such as model, page yield, applicable printer model, after handle box is mounted to equipment, by between chip and equipment The information interchange both realized of electrical connection, thus, equipment may know that the page yield of the handle box, that is, wherein accommodate aobvious Shadow dosage reminds terminal user to need replacing handle box, thus really by set device when reaching the predetermined value before page yield Protect the usage experience of terminal user.

Handle box further includes the guard member being installed in rotation on waste powder hopper, for not being mounted to equipment in handle box When protect sensitive piece；Existing guard member includes the rotary shaft longitudinally extended along handle box, when guard member is mounted to handle box When, rotary shaft runs through on handle box longitudinal direction, thus, also need to be arranged the holding of a holding rotary shaft on handle box Portion in general, the maintaining part is arranged on the waste powder hopper shell of handle box, and then causes the mold for producing waste powder hopper shell to become multiple It is miscellaneous.

Utility model content

The utility model provides a kind of waste powder hopper, wherein the guard member installed cancels the rotation for running through handle box longitudinal direction Axis, the both ends for using guard member instead are supported by waste powder hopper shell, and the rotation axis of guard member is far from two surfaces adjacent thereto Intersection, thus, the mold of production waste powder hopper shell is simplified.

To achieve the above object, the utility model uses following technical scheme:

Waste powder hopper is pacified including waste powder hopper shell, the cleaning device being removably mounted in useless powder shell and rotationally Guard member in waste powder hopper shell, guard member includes screening glass, the left arm that connect respectively with longitudinal two ends of screening glass The first rotary body and the second rotary body being connect with right arm and respectively with left arm and right arm；Guard member passes through the first rotary body With the second rotary body in conjunction with waste powder hopper shell；First rotary body include the first rotating part being connect with left arm, from first rotation The first rotary shaft that transfer part extends to the direction far from the second rotary body；Second rotary body includes the second rotating part and with second The second rotary shaft and third rotary shaft of rotating part connection；Waste powder hopper shell is enclosed waste developer accommodating chamber, in useless development The wherein side of agent accommodating chamber is formed with the second supporting surface for being used to support cleaning device；Waste powder hopper further includes and the second supporting surface phase Pair first surface and the second surface adjacent with first surface；The rotation axis and first surface and the second table of guard member The distance between straight line of face intersection is greater than the maximum gauge of the first rotary shaft, also greater than the second rotary shaft and third rotary shaft Maximum gauge.

First rotary body further includes the mating groove being formed on the first rotating part.

Second rotary shaft and third rotary shaft extend from the two sides of the second rotating part respectively.

Waste powder hopper further includes the first protrusion, the second protrusion, third protrusion and the 4th protrusion outstanding from waste powder hopper shell； Along the longitudinal direction of handle box, the first space is formed between the first protrusion and the second protrusion, between third protrusion and the 4th protrusion Form second space；First protrusion is in conjunction with the first rotary shaft, and the second protrusion is in conjunction with mating groove, and the first rotating part is by the first sky Between accommodate；Third protrusion and the second rotary shaft set, the 4th protrusion is in conjunction with third rotary shaft, and the second rotating part is by second space It accommodates.

First protrusion is formed with the first swivelling chute, and the second protrusion is formed with the second swivelling chute, and third protrusion is formed with third Swivelling chute, the 4th protrusion are formed with the 4th swivelling chute；First rotary shaft is in conjunction with the first swivelling chute, mating groove and the second swivelling chute In conjunction with the second rotary shaft is in conjunction with third swivelling chute, and third rotary shaft is in conjunction with the 4th swivelling chute.

The utility model also provides a kind of handle box, the powder cabin including be combineding with each other and waste powder hopper as described above.

As described above, the utility model relates to waste powder hopper in the guard member installed cancel through handle box longitudinal direction Rotary shaft, the both ends for using guard member instead are supported by waste powder hopper shell, and the rotation axis of guard member is far from adjacent thereto two Surface intersection line, thus, the mold for producing waste powder hopper shell is simple and reliable.

Detailed description of the invention

Fig. 1 be the utility model relates to handle box overall structure diagram.

Fig. 2 be along the utility model relates to handle box transverse cross sectional sectional view.

Fig. 3 be the utility model relates to handle box waste powder hopper overall structure diagram.

Fig. 4 be the utility model relates to handle box waste powder hopper schematic diagram of internal structure.

Fig. 5 be the utility model relates to handle box in chip mounting base structural schematic diagram.

Fig. 6 be the utility model relates to handle box waste powder hopper in the schematic diagram that decomposes of guard member and waste powder hopper shell.

Fig. 7 be the utility model relates to handle box in guard member the schematic diagram to waste powder hopper is installed.

Fig. 8 be the utility model relates to handle box in guard member install to waste powder hopper, it is useless along handle box transverse cross sectional The sectional view of powder cabin.

Fig. 9 be the utility model relates to handle box in powder cabin part structural schematic diagram.

Figure 10 be the utility model relates to handle box in powder cabin part decomposition diagram.

Figure 11 A be the utility model relates to handle box in powder cabin second end cover schematic diagram of internal structure.

Figure 11 B be the utility model relates to handle box in powder cabin second end cover external structure schematic diagram.

Figure 12 A be the utility model relates to handle box in intermediate gear assemblies be installed in showing for powder cabin first end cover It is intended to.

Figure 12 B be the utility model relates to handle box in the state decomposed from powder cabin first end cover of intermediate gear assemblies Schematic diagram.

Figure 13 be the utility model relates to handle box middle gear between driving force transmit schematic diagram.

Figure 14 A be the utility model relates to handle box in powder cabin first end cover schematic diagram of internal structure.

Figure 14 B be the utility model relates to handle box in powder cabin first end cover external structure schematic diagram.

Figure 15 A- Figure 15 C be the utility model relates to handle box in pull ring structural schematic diagram.

Figure 16 be the utility model relates to handle box in pull ring powder cabin first end cover two status diagrams.

Specific embodiment

The embodiments of the present invention are described in detail with reference to the accompanying drawing, for convenience of describing, handle box are defined as follows: fixed The length direction of adopted handle box is longitudinal direction X, and the installation direction of handle box is transverse direction Y.

[overall structure of handle box]

Fig. 1 be the utility model relates to handle box overall structure diagram；Fig. 2 be along the utility model relates to place Manage the sectional view of the transverse cross sectional of box；Fig. 3 be the utility model relates to handle box waste powder hopper overall structure diagram.

As depicted in figs. 1 and 2, handle box C includes the powder cabin 100 be combineding with each other and waste powder hopper 200, and powder cabin 100 includes powder Storehouse shell 10, first end cover 11 and second end cover 12 positioned at the longitudinal both ends of powder cabin shell 10, are rotatably installed in powder cabin shell Development part 13, developer layer regulating part 14 and stirring parts 15 in body 10；Powder cabin shell 10 is enclosed developer-accommodating chamber TC, Stirring parts 15 prevent developer agglomeration hardening for stirring developer；The part 13 that develops is used as developer supply part, rotatable status Between first end cover 11 and second end cover 12, it is used for bearing developer, and the sensitive piece 21 of described in the text to supply development downwards Agent；The developer layer thickness that developer layer regulating part 14 is used to adjust development 13 surface of part reaches scheduled value.

Waste powder hopper 200 includes waste powder hopper shell 20, the sensitive piece 21 being rotatably installed in waste powder hopper shell 20 and fills Electric part 22, cleaning device 23 and the guard member 24 being installed in rotation in waste powder hopper shell 20；Charge part 22 and sensitive piece 21 It is in close contact, for filling scheduled charge on 21 surface of sensitive piece, sensitive piece 21 is by the laser beam for being loaded with image-forming information After irradiation, it can be formed on its surface electrostatic latent image, development part 13 will feel developer supply to sensitive piece 21 using developer The latent electrostatic image developing on 21 surface of light part, then, the electrostatic latent image after development is transferred to image forming medium by sensitive piece 21, and by setting It is exported after standby fixing；Waste powder hopper shell 20 is enclosed waste developer accommodating chamber WTC, and cleaning device 23 and 21 surface of sensitive piece are close Contact for striking off the developer for remaining in 21 surface of sensitive piece after transfer, and is stored in waste developer accommodating chamber WTC.

As shown in figure 3, sensitive piece 21 includes photosensitive cylinder 211 and fixes company with 211 1 longitudinal ends of photosensitive cylinder The gear mass 212 connect, sensitive piece 21 pass through the power reception device being disposed therein and are received from the device for driving photosensitive circle The driving force of 211 rotation of cylinder, the power reception device can be gear mass 212, can also be and are mounted on moving in gear mass 212 Power receiving element, the power reception part are used in conjunction with the power output member in equipment, and receive the drive of power output member output Power drives photosensitive cylinder 211 to rotate by gear mass 212；To support sensitive piece 21, waste powder hopper 200 further includes and gives up Sensitive piece 21 is pivotally supported at useless by the bracket 25 that powder cabin shell 20 connects, bracket 25 by support gear mass 212 In powder cabin shell 20, it is preferred that the bracket 25 and waste powder hopper shell 20 are integrally formed, thus, handle box C is in assembling process In, it is not necessary to it is attached the operation of bracket 25 Yu waste powder hopper shell 20, advantageously reduces working hour, reduces production cost.

[chip carrier]

Fig. 4 be the utility model relates to handle box waste powder hopper schematic diagram of internal structure；Fig. 5 be the utility model relates to Handle box in chip mounting base structural schematic diagram.

As shown in figure 5, waste powder hopper 200 further includes the chip carrier 26 connecting with waste powder hopper shell 20 and is mounted on chip carrier Chip 27 in 26, along the installation direction Y of handle box C, chip carrier 26 is located at the downstream end (as shown in Figure 6) of waste powder hopper 200； Preferably, chip carrier 26 and waste powder hopper shell 20 are integrally formed, thus, it can effectively prevent because chip carrier 26 is from waste powder hopper shell 20 In fall off caused by handle box C and equipment communication failure.Chip 27 includes substrate 271 and the first device being mounted on substrate 271 Part 272, as shown, component 272 is prominent from a surface of substrate 271 and forms protrusion, meanwhile, on substrate 271 also It is formed with the limiting section 273 for limiting 27 position of chip, it is preferred that limiting section 273 is limiting groove.

Chip carrier 26 includes the first side wall that cross section is rectangular matrix 26a, extends from three sides of matrix 26a 26c and the first supporting surface 26e, the top plate 26f for connecting the first side wall 26c；Along the installation direction Y of handle box, top plate 26f and first Between supporting surface 26e there is difference in height h, described matrix 26a to connect with waste powder hopper shell 20；When the reversed sight of Y in assembly direction When examining, the shape and the first supporting surface 26e that the first side wall 26c and top plate 26f are enclosed are substantially complementary, thus, the first supporting surface 26e is also to extend from three sides of matrix 26a, as shown, the first supporting surface 26e, which is enclosed, has opening 26m Pockets 26g, the pockets 26g has bottom surface 26d, for accommodating the component 272 of chip 27.

Further, chip carrier 26 further include in opening 26m the supporting table 26h that extends from bottom surface 26d, supporting table 26h and Top plate 26f connection, to enhance its rigidity, along the installation direction of chip 27, supporting table 26h is substantially flush with the first supporting surface 26e； The installation process of chip 27 in order to facilitate observation of, the position with supporting table 26h is correspondingly, be additionally provided with observation panel on top plate 26f 26i, in other words, when along the direction observation opposite with the installation direction Y of handle box C, supporting table 26h is not blocked.

To prevent chip 27 from falling off from chip carrier 26, chip carrier 26 further includes ipsilateral from matrix with the first supporting surface 26e 26a extend second sidewall 26b, second sidewall 26b extend height between the first side wall 26c and the first supporting surface 26e, When along the direction observation opposite with the installation direction Y of handle box C, second sidewall 26b is located at the outside of the first supporting surface 26e, That is, the first supporting surface 26e and supporting table 26h is surrounded by the first side wall 26c and second sidewall 26b；Further, chip Seat 26 further includes the restriction protrusion 26n extended from second sidewall 26b to pockets 26g, and restriction protrusion 26n is used for and chip 27 limiting groove 273 combines, and prevents chip 27 from shaking；Further, chip carrier 26 further include from second sidewall 26b towards The welding projection 26j extended with the second sidewall 26b extending direction same direction, it is preferred that welding projection 26j is set as opposite Two.

The foregoing describe the structures of chip carrier 26, and after chip 27 is mounted, substrate 271 is by the first supporting surface 26e and support Platform 26h is supported between the first supporting surface 26e and top plate 26f, and component 272 is received groove 26g receiving, limiting groove 273 in conjunction with restriction protrusion 26n, thus, the position of chip 27 is defined, then by way of thermal weld that two welding are prominent 26j is played to be welded as a whole with chip substrate 271.

As shown in figure 4, waste powder hopper shell 20 is enclosed waste developer accommodating chamber WTC, waste developer accommodating chamber WTC's Wherein side is formed with the second supporting surface 201 for being used to support cleaning device 23, and cleaning device 23 is removably mounted on waste powder hopper shell In body 20.Mold to realize that said chip seat 26 and waste powder hopper shell 20 are integrally formed needs, described in waste powder hopper shell 20 Waste developer accommodating chamber WTC and pockets 26g are interconnected, specifically, as shown, the second supporting surface 201 offer it is logical Hole 202, before assembling handle box C, further, before assembling waste powder hopper 200, further, in installation cleaning device Before 23, through-hole 202 and waste developer accommodating chamber WTC are interconnected, as shown in figure 5, through-hole 202 also by opening 26m and holds The groove 26g that receives is interconnected, thus, waste developer accommodating chamber WTC and pockets 26g are interconnected by through-hole 202, also It is to say, waste developer accommodating chamber WTC and chip carrier 26 are interconnected.After cleaning device 23 is mounted to waste powder hopper shell 20, institute Through-hole 202 is stated to be closed, thus, the waste developer in waste developer accommodating chamber WTC will not be leaked by through-hole 202.

The chip carrier 26 and waste powder hopper shell 20 are integrally formed, thus, it is not necessary to chip carrier 26 is individually produced again, and in group When filling handle box C, also no longer needs chip carrier 26 to be installed to waste powder hopper shell 20, chip carrier will not only occur from waste powder hopper The wind direction to fall off on shell 20 reduces production cost also while reducing production process.

[guard member]

Fig. 6 be the utility model relates to handle box waste powder hopper in the schematic diagram that decomposes of guard member and waste powder hopper shell； Fig. 7 be the utility model relates to handle box in guard member the schematic diagram to waste powder hopper is installed；Fig. 8 be the utility model relates to Handle box in guard member install to waste powder hopper, along the sectional view of handle box transverse cross sectional waste powder hopper.

As shown in fig. 6, the left arm that guard member 24 is connect including screening glass 241, respectively with longitudinal two ends of screening glass 241 24L and right arm 24R and the first rotary body 242 and the second rotary body 243 being connect respectively with left arm 24L and right arm 24R；It protects Guard 24 is installed in rotation on waste powder hopper shell 20 by the first rotary body 242 and the second rotary body 243.

First rotary body 242 include the first rotating part 242a being connect with left arm 24L, from the first rotating part 242a far from The first rotary shaft 242b that the direction of second rotary body 243 extends and the mating groove being formed on the first rotating part 242a 242c, thus, first side 242d and second side 242e are formed in the two sides of mating groove 242c.

Second rotary body 243 includes the second rotating part 243a and the second rotary shaft connecting with the second rotating part 243a 243b and third rotary shaft 243c, it is preferred that the second rotary shaft 243b and third rotary shaft 243c is respectively from the second rotating part The two sides of 243a extend, i.e. the second rotary shaft 243b extends to the direction close to the first rotary body 242, third rotary shaft 243c to Direction far from the first rotary body 242 extends, thus, guard member 24 can be around by the first rotary body 242 and the second rotary body 243 Axis L1 it is (as shown in Figure 7) rotation.

As shown in Figure 6 and Figure 7, waste powder hopper 200 further includes first protrusion 204, second outstanding from waste powder hopper shell 20 Protrusion 205, third protrusion 207 and the 4th protrusion 208, wherein along the longitudinal direction X of handle box C, the first protrusion 204 and second The first space 206 is formed between protrusion 205, and second space 209 is formed between third protrusion 207 and the 4th protrusion 208；First is prominent 204 are played in conjunction with the first rotary shaft 242b, the second protrusion 205 is in conjunction with mating groove 242c, and the first rotating part 242a is by the first sky Between 206 accommodate；Third protrusion 207 and the second rotary shaft 243b gather, and the 4th protrusion 208 is in conjunction with third rotary shaft 243c, and the Two rotating part 243a are accommodated by second space 209；Specifically, the first protrusion 204 is formed with the first swivelling chute 2041, the second protrusion 205 are formed with the second swivelling chute 2051, and third protrusion 207 is formed with third swivelling chute 2071, and the 4th protrusion 208 is formed with the 4th Swivelling chute 2081, the first rotary shaft 242b are combined with the first swivelling chute 2041, and mating groove 242c is combined with the second swivelling chute 2051, Second rotary shaft 243b is combined with third swivelling chute 2071, and third rotary shaft 243c is combined with the 4th swivelling chute 2081.

As shown in Figure 7 and Figure 8, waste powder hopper 200 further includes the first surface 210 opposite with the second supporting surface 201, Yi Jiyu The adjacent second surface 203 of first surface 210, along the installation direction Y of handle box C, first surface 210 is located at second surface 203 Upstream, and first surface 210 and the second supporting surface 201 are respectively two apparent surfaces for supporting the plate-like piece of cleaning device 23, Plate-like piece where second surface 203 is all connected with first surface 210 and the second supporting surface 201, first surface 210 and the second table Face 203 intersect straight line be L2, as shown, the distance between rotation axis L1 and straight line L2 of guard member 24 be d1, first The maximum gauge of rotary shaft 242a is that the maximum gauge of d2, the second rotary shaft 243b and third rotary shaft 243c are d3, is met: d1 > d2, and d1 > d3, thus, it need not be arranged at the intersection L2 of first surface 210 and second surface 203 and accommodate above-mentioned first rotation The space of axis 242a, the second rotary shaft 243b and third rotary shaft 243c, the mold of waste powder hopper shell 20 are simplified, handle box The manufacturing cost reduction of C is possibly realized.

[powder cabin]

Fig. 9 be the utility model relates to handle box in powder cabin part structural schematic diagram；Figure 10 is that the utility model relates to And handle box in powder cabin part decomposition diagram；Figure 11 A be the utility model relates to handle box in powder cabin second end cover Schematic diagram of internal structure；Figure 11 B be the utility model relates to handle box in powder cabin second end cover external structure schematic diagram.

As shown in figure 9, powder cabin 100 includes powder cabin shell 10, is located at the first of 10 two longitudinal ends of powder cabin shell End cap 11 and second end cover 12, the development part 13 being rotatably installed in powder cabin shell 10 and it is fixedly mounted on powder cabin shell Developer thickness regulating part 14 in body 10, development part 13 and developer thickness regulating part 14 are respectively positioned on first end cover 11 and second Between end cap 12.

Powder cabin shell 10 is enclosed developer-accommodating chamber TC, is provided with stirring parts 15, is accommodated in developer container The developer received in chamber TC is transported to development 13 surface of part by the developer outlet being disposed adjacent with development part 13, to ensure Handle box C is before use, developer therein will not leak, in general, handle box manufacturer can be in the developer Sealing film is sticked in exit, to terminal user using before handle box, pull open sealing film can normal use handle box, thus, be Ensuring to seal film can smoothly be pulled out, and powder cabin 100 further includes being fixed on powder cabin shell 10 to pull part 16, described to pull part 16 one end is connect with sealing film；Further, into developer-accommodating chamber TC, replenishment developer, powder cabin 100 are also wrapped for convenience Include the developer entrance 101 being arranged on powder cabin shell 10 and the closure member 19 for closed developer entrance 19.

As shown in Figure 10, development part 13 is rotatably supported by first end cover 11 and second end cover 12, including developing cylinder 13a, it the magnet 13b in developing cylinder 13a, the fixing axle 13c for being fixed on mono- longitudinal end of developing cylinder 13a, is socketed respectively In the developing gap holder 13d of two longitudinal ends of the developing cylinder 13a and driving gear 13e in conjunction with fixing axle 13c, Driving gear 13e receives the driving force of gear mass 212 for engaging with said gear body 212, is driven by fixing axle 13c Developing cylinder 13a rotation.In the utility model, the fixing axle 13c is supported by second end cover 12, is pulled part 16 and is fixed on first On end cap 11.

Development part 13 also needs constantly to receive electric power during rotary work, with the shape between development part 13 and sensitive piece 21 At electrostatic field, as shown, powder cabin 100 further includes for the power supply part 102 for development part power supply, which is fixed In first end cover 11, and a part for part 102 of powering is contacted with the inner surface of developing cylinder 13a；Part 102 of powering includes support portion 102a, electrical contacts 102c and the middle part 102b for being electrically connected support portion 102a and electrical contacts 102c, support portion 102a are used It is contacted in developing cylinder 13a inner surface, and supports developing cylinder 13a；Electrical contacts 102c is located at the outer surface of first end cover 11, when After handle box C is mounted to predetermined position, electrical contacts 102c is electrically connected with the electric power output in equipment, thus, developing cylinder 13a receives electric power by part 102 of powering from the device.Preferably, power supply part 102 is made of metal, it is furthermore preferred that power supply part 102 are made of copper.

Below with reference to the structure of Figure 11 A and Figure 11 B detailed description second end cover 12.

As shown, second end cover 12 has opposite front surface 12a, anti-surface 12b and between positive and negative surface Joint face 12c, including second end cover main body 121, from front surface 12a to far from anti-surface 12b direction extend support ring 122, the boss 123 concentric with support ring 122, the height that boss 123 extends are less than the height that support ring 122 extends, due to branch Pushing out ring 122 extends in the position close to joint face 12c, to ensure that support ring 122 does not exceed joint face 12c, as shown, branch Pushing out ring 122 is not a complete annular, is also formed with notch 124 in the position adjacent with joint face 12c.

In the utility model, the fixing axle 13c is not supported ring 122 and directly supports, that is to say, that fixing axle 13c not with Support ring 122 directly contacts, and as shown in Figure 10, waste powder hopper 100 further includes the intermediate ring 18 for supporting fixing axle 13c, intermediate ring 18 It being installed in support ring 122, and is supported by boss 123, fixing axle 13c is supported by intermediate ring 18, thus, the notch 124 Presence, be conducive to operator and take out intermediate ring 18 from support ring 122；Preferably, intermediate ring 18 is made of metal, more excellent Choosing, intermediate ring 18 is formed from steel, thus, intermediate ring 18 is more able to bear what fixing axle 13c was generated in continuous rotary course Frictional dissipation, correspondingly, the development rotation of part 13 is more stable, image defects can be effectively suppressed.

Support ring 122 and boss 123 extend from front surface 12a to the direction far from anti-surface 12b, as shown in Figure 11 B, Substantially there is no protrusion on the anti-surface 12b of second end cover 12, be conducive to reduce space shared by handle box C entirety, further , be conducive to the miniaturization of equipment.

As shown in Figure 11 A, second end cover 12 further includes the branch extended from front surface 12a to the direction far from anti-surface 12b Dagger 125 and the deformable projection 126 extended from support column 125 to the direction far from front surface 12a；Deformable projection 126 Including adjacent guiding face 1261 and retaining surface 1262.

Figure 12 A be the utility model relates to handle box in intermediate gear assemblies be installed in showing for powder cabin first end cover It is intended to；Figure 12 B be the utility model relates to handle box in intermediate gear assemblies show from the state that powder cabin first end cover is decomposed It is intended to；Figure 13 be the utility model relates to handle box middle gear between driving force transmit schematic diagram.

As shown in figure 13, powder cabin 100 further includes being removably secured to the center tooth of 10 1 longitudinal ends of powder cabin shell Wheel group 17 and stirring parts gear 151, stirring parts gear 151 and 15 coaxial rotating of stirring parts, for providing rotation for stirring parts 15 Driving force；Wherein, intermediate gear group 17 respectively with driving gear 13e and stirring parts gear 151 engage, drive gear 13e also with Gear mass 212 engages, and when gear mass 212 is received externally driving force, is transmitted to driving gear 13e first, then pass through centre Gear set 17 is transferred to stirring parts gear 151；In the utility model, intermediate gear group 17 is rotatably mounted to second in advance On end cap 12, thus, operator is when assembling powder cabin 100, it is not necessary to again one by one by the gear in intermediate gear group 17 It is installed to powder cabin shell 10, the installment work of intermediate gear group 17 can be completed by the supplier of powder cabin shell 10, handle box production The production process of producer is reduced, and production efficiency is improved；Simultaneously as intermediate gear group 17 need respectively with sliding tooth It takes turns 13e and stirring parts gear 151 engages, when the gear in intermediate gear group 17 is installed to powder cabin shell 10 one by one, Do not only need to ensure that its corresponding rotary shaft of each gear is corresponding, it is also necessary to ensure smoothly to engage between each gear, and Intermediate gear group 17 is pre-installed in second end cover 12, handle box manufacturer is during production, it is no longer necessary to examine The engagement between each gear of intermediate gear group 17 is considered, to improve production efficiency.

As illustrated in figs. 12 a and 12b, intermediate gear group 17 includes intermeshing first gear 171 and second gear 172, wherein first gear 171 than second gear 172 closer to the front surface 12a of second end cover, and first gear 171 also with Gear 13e engagement is driven, second gear 172 is also engaged with stirring parts gear 151；When intermediate gear group 17 is mounted to second end When lid 12, second gear 172 is guided by guiding face 1261, so that flexible deformation occurs for deformable projection 126, thus, second Gear 172 can be mounted to support column 125, and second gear 172 is kept the holding of face 1262, finally, entire intermediate gear Group 17 is all maintained in second end cover 12.

Figure 14 A be the utility model relates to handle box in powder cabin first end cover schematic diagram of internal structure；Figure 14 B is this The external structure schematic diagram of powder cabin first end cover in the handle box that utility model is related to；Figure 15 A- Figure 15 C is that the utility model relates to And handle box in pull ring structural schematic diagram；Figure 16 be the utility model relates to handle box in pull ring in powder cabin first end cover Two status diagrams.

As shown in figs. 14 a and 14b, first end cover 11 has opposite outer surface 11a and inner surface 11b, and by adjacent First part 113 and second part 114 form, including first end cover main body 111, the envelope in first end cover main body 111 Closing member mounting hole 112 pulls part mounting hole 115 and pulls part fixed column 116；Pull part 16 pass through pull part mounting hole 115 It is fixed on powder cabin shell 10, first part 113 is recessed by outer surface 11a inner surface 11b and is formed, and second part 114 is The remaining part of first end cover main body 111, that is to say, that first part 113 is surrounded by second part 114；In the utility model, It closure member mounting hole 112 and pulls part fixed column 116 and is arranged in first part 113, pull part mounting hole 115 and be arranged on On second part 114.

For fixed part 102 of powering, first end cover 11 further includes the extending column 118 being arranged on second part 114, the extension Column 118 extends from inner surface 11b to the direction far from outer surface 11a, and the support portion 102a for part of powering is socketed in extending column 118 Outer surface；Meanwhile to prevent power supply part 102 from falling off from first end cover 11, as shown in Figure 10 and Figure 14 A, power supply part 102 further includes The engaging portion 102d being disposed therein, the engaged portion 119 being additionally provided in first end cover 11 in conjunction with the 102d of engaging portion, preferably , engaging portion 102d is the combined hole being arranged on power supply part 102, and engaged portion 102d is the column being arranged in first end cover Protrusion, it is furthermore preferred that engaging portion 102d is arranged on middle part 102b；Certainly, the combined hole 102d and columnar protrusions 119 Position can also exchange, i.e., columnar protrusions 119 are set on power supply part 102, combined hole 102d are set in first end cover 11.

Consider in general, the metaplasia that conforms to the principle of simplicity produces mould structure and reduces production cost angle, extending column 118 and columnar protrusions 119 is integrally formed with first end cover 11, and material used in extending column 118 is identical as material used in 11 entirety of first end cover, It is commonly plastics, and extending column 118 needs to contact with the developing cylinder 13a inner surface of rotation, in the two Long Term Contact process In, extending column 118 may be worn, and then cause the positioning of development part 13 inaccurate, cause image defects.The utility model In, power supply part support portion 102a made of metal is socketed in 118 outer surface of extending column, and contacts with developing cylinder 13a inner surface, Therefore, during the part 13 that develops is rotating, support portion 102a made of metal is contacted with developing cylinder 13a inner surface, On the one hand, support portion 102a made of metal is more more wear resistant than extending column 118 made of plastics, and then can ensure that development part 13 is smart Determine position, on the other hand, support portion 102a made of metal receives electric power by electrical contacts 102c from the device, to be supplied to Developing cylinder 13a.

Closure member mounting hole 112 is used to that operator to be allowed not disassemble first end cover 11 from powder cabin shell 10 Under the premise of disassembled and assembled freely closure member 19 thus can save operator's a large amount of time.In general, can also be set on closure member 19 The component being affectedly bashful convenient for the hand of operator is set, is installed correspondingly, being additionally provided with one in first end cover 11 with closure member The extending bore 117 that hole 112 is connected to, the component that the hand convenient for operator is affectedly bashful are accommodated by extending bore 117.

It pulls part fixed column 116 to extend in first part 113 from outer surface 11a to the direction far from inner surface 11b, pull After part 16 is mounted, it is fixed that part of it is pulled part fixed column 116, and is located in first part 113, as described above, first Part 113 is recessed by outer surface 11a inner surface 11b and is formed, and first part 113 is surrounded by second part 114, therefore, position One of the closure member 19 for pulling part 16, pulling part fixed column 116 and being accommodated by extending bore 117 in first part 113 Dividing can be destroyed by being protected from for second part 114；And on the longitudinal direction of powder cabin 10, pull ring 16 and Part fixed column 116 is pulled without departing from the range of first end cover 11, helps to realize the miniaturization of equipment.

Pulling part mounting hole 115 includes interconnected the first hole 1151, the second hole 1152 and third hole 1153, along processing The installation direction Y of box C, the length in third hole 1153 is most short, thus, along the installation direction Y of handle box C, in third hole 1153 Top forms stage portion with the first hole 1151 and the second hole 1152 respectively；First hole 1151, the second hole 1152 and third hole 1153 respectively in conjunction with the corresponding site for pulling part 16.

As shown in Figure 15 A- Figure 15 C, part 16 is pulled including relatively turnable and pulls portion 161 and fixed part 162, Yi Jilian Connect the interconnecting piece 163 of the portion of pulling 161 and fixed part 162, in the utility model, pull portion 161 and fixed part 162 using it is flexible even The mode connect connects, i.e., interconnecting piece 163 is flexible part, and fixed part 162 is used to be combined fixation with powder cabin shell 10, pulls portion 161 For with pull part fixed column 116 and combined fixation.

Part 16 is pulled with opposite upper surface 16a and lower surface 16b, pulling portion 161 includes pulling ring 165 and from drawing Take the extension of 165 outer peripheral surface of ring pulls piece 164, pulls piece 164 for lifting drawing when operator needs and pulls open and pull part 16 Portion 161 is taken, pulls ring 165 for accommodating the finger of operator after the portion that pulls 161 is lifted.

Fixed part 162 include from upper surface 16a to far from lower surface 16b direction extend first combine raised 16c and Third combination protrusion 16f and what is extended from lower surface 16b to the direction far from upper surface 16a second combine raised 16d and the Four combine protrusion 16g, wherein first is oppositely arranged in conjunction with protrusion 16c and third combination protrusion 16f, second combine protrusion 16d with 4th is oppositely arranged in conjunction with protrusion 16g, and first combines protrusion 16c and second to be located at the same of fixed part 162 in conjunction with protrusion 16d Side, third combination protrusion 16f and the 4th are located at the other side of fixed part 162 in conjunction with protrusion 16g；To prevent fixed part 162 from being inserted Enter to being more than scheduled position, first combines protrusion 16c, second that protrusion 16d, third combination protrusion 16f and the 4th is combined to combine Protrusion 16g is respectively provided with first step portion 16c1, second step portion 16d1, third stage portion 16f1 and the 4th stage portion 16g1, Thus, the insertion depth of fixed part 162 is restricted, and be not in that fixed part 162 is inserted into is more than predetermined position；Further , first, which combines protrusion 16c and second that protrusion 16d is combined to pass through the second hole 1152, is fixed, third combination protrusion 16f and the 4th The first hole 1151 is passed through in conjunction with protrusion 16g to be fixed, positioned at first combine protrusion 16c in conjunction with third between protrusion 16f the Two, which partially pass through third hole 1153, is fixed.

Interconnecting piece 163 includes spaced first flexible part 1631, the second flexible part 1632 and third flexible part 1633, The interconnecting piece 163 can be the compliant member being additionally installed between the portion of pulling 161 and fixed part 162, can also be and draws The compliant member for taking portion 161 and fixed part 162 integrally formed, it is preferred that the first flexible part 1631, the second flexible part 1632 and the At least one of three flexible parts 1633 and the portion that pulls 161 and fixed part 162 are integrally formed, specifically, the first flexible part 1631, At least one of second flexible part 1632 and third flexible part 1633 are from upper surface 16a or lower surface 16b to lower surface 16b Or upper surface 16a is recessed to be formed, such mode do not need not only to spend additional time the portion that pulls 161 and fixed part 162 it Between flexible part is installed, and also save production material, advantageously reduce production cost；Certainly, above-mentioned first flexible part 1631, Second flexible part 1632 and third flexible part 1633 can also be integrally formed, however, from the point of view of saving material, preferably originally Interconnecting piece 163 described in utility model includes that spaced first flexible part 1631, the second flexible part 1632 and third are flexible The mode in portion 1633.

As shown in figure 16, pulling portion 161 has the first state flushed with fixed part 162 and relative to fixed part 162 The second state (as shown in phantom in FIG.) of bending pulls portion 161 across pulling part when the portion that pulls 161 is in first state Mounting hole 115, and then apply active force to the portion that pulls 161, ring 165 is pulled so that pulling part fixed column 116 and passing through, finally, is drawn It takes ring 165 to be pulled part fixed part 116 to fix, pulls portion 161 and reach the second state；Preferably, when the portion that pulls 161 is located at second When state, the longitudinal direction along handle box C (powder cabin 100) is observed, and described at least part for pulling piece 164 is installed with closure member Hole 112 is overlapped, in this way, closure member mounting hole 112 is the finger of operator when operator needs to lift and pulls piece 164 Operating space is provided；Part fixed column is pulled since the manufacturer of powder cabin shell 10 can will pull part before factory and be fixed on On, handle box manufacturer is when assembling handle box, it is not necessary to install pull part again, be conducive to the life for promoting handle box manufacturer Produce efficiency.

As described above, the utility model relates to waste powder hopper 200, wherein be equipped with chip mounting base 26, and the chip is pacified It fills seat 26 and waste powder hopper shell 20 is integrally formed, thus, which does not need chip mounting base again in assembling 26, advantageously reduce the cost of manufacturer.

Claims (6)

1. waste powder hopper including waste powder hopper shell, the cleaning device being removably mounted in useless powder shell and is rotatably mounted Guard member in waste powder hopper shell,

Guard member include screening glass, the left arm being connect respectively with longitudinal two ends of screening glass and right arm and respectively with left arm The first rotary body and the second rotary body connected with right arm；Guard member by the first rotary body and the second rotary body and waste powder hopper Shell combines；

First rotary body includes the first rotating part connecting with left arm, prolongs from the first rotating part to far from the direction of the second rotary body The first rotary shaft stretched；

Second rotary body includes the second rotating part and the second rotary shaft and third rotary shaft that connect with the second rotating part；

Waste powder hopper shell is enclosed waste developer accommodating chamber, is formed with and is used to support in the wherein side of waste developer accommodating chamber Second supporting surface of cleaning device；

Waste powder hopper further includes the first surface opposite with the second supporting surface and the second surface adjacent with first surface；

It is characterized in that, the distance between straight line that the rotation axis of guard member and first surface and second surface intersects is greater than the The maximum gauge of one rotary shaft, also greater than the maximum gauge of the second rotary shaft and third rotary shaft.

2. waste powder hopper according to claim 1, which is characterized in that the first rotary body further includes being formed on the first rotating part Mating groove.

3. waste powder hopper according to claim 2, which is characterized in that the second rotary shaft and third rotary shaft are respectively from the second rotation The two sides of transfer part extend.

4. waste powder hopper according to claim 3, which is characterized in that waste powder hopper further includes outstanding from waste powder hopper shell One protrusion, the second protrusion, third protrusion and the 4th protrusion；

Along the longitudinal direction of handle box, the first space, third protrusion and the 4th protrusion are formed between the first protrusion and the second protrusion Between form second space；

First protrusion is in conjunction with the first rotary shaft, and the second protrusion is in conjunction with mating groove, and the first rotating part is by the first space；

Third protrusion and the second rotary shaft set, in conjunction with third rotary shaft, the second rotating part is held the 4th protrusion by second space It receives.

5. waste powder hopper according to claim 4, which is characterized in that the first protrusion is formed with the first swivelling chute, the second protrusion It is formed with the second swivelling chute, third protrusion is formed with third swivelling chute, and the 4th protrusion is formed with the 4th swivelling chute；

First rotary shaft is in conjunction with the first swivelling chute, and mating groove is in conjunction with the second swivelling chute, the second rotary shaft and third swivelling chute In conjunction with third rotary shaft is in conjunction with the 4th swivelling chute.

6. a kind of handle box, including the powder cabin be combineding with each other and as described in any one of claim 1-5 claim Waste powder hopper.