CN209858945U - Chip fixing device of processing box - Google Patents

Abstract

The utility model relates to an electrostatic printing technical field, concretely relates to handle chip fixing device of box, include the chip mount of being connected with processing box and install the chip in chip fixed frame, the mount include with the fixed protruding of being connected of processing box and can dismantle the chip draw-in groove of being connected with fixed protruding, the chip is fixed on the chip draw-in groove, fixed protruding has the cavity of installing the chip draw-in groove, is equipped with the bellied locating piece that makes progress on the cavity, the chip draw-in groove includes the draw-in groove bottom plate, has on the draw-in groove bottom plate with locating piece complex locking mouth, this structure reduces manufacturer manufacturing cost and research and development cost, reduces the complexity of manufacturing, improves production efficiency.

Description

Chip fixing device of processing box

Technical Field

The utility model relates to an electrostatic printing technical field, concretely relates to handle chip fixing device of box.

Background

An electronic image forming apparatus is an image forming apparatus that forms a visible image on a record by the principle of electrophotographic image formation, and includes a copying machine, a printer, an LED printer, and the like. An image forming apparatus generally includes a process cartridge detachably mountable in an image forming apparatus main body, and the existing process cartridge includes various forms, and for example, the process cartridge may be a photosensitive drum cartridge including a photosensitive drum, or a developing cartridge storing a developer, or an integral cartridge integrally providing the above-described developing cartridge and the photosensitive drum cartridge. The image forming principle of the image forming apparatus is: first, the surface of the photosensitive drum is charged to a predetermined potential. A laser beam is projected onto the surface of the photosensitive drum to form an electrostatic latent image. A visible image is obtained by supplying a developer to the electrostatic latent image. Next, the visible developer image developed on the photosensitive drum is transferred to a printing medium directly or through an intermediate transfer medium and then fixed to the printing medium through a fixing process.

In the prior art, the process cartridges are all detachably mounted in the printer. Generally, process cartridges used by printers of the same family and different models are not identical. When the sizes of the process cartridges or chips of different models are not uniform, the entire process cartridge needs to be redesigned. The manufacturing of process cartridges requires the development of a large number of part molds, which undoubtedly increases the production cost and development cost of the manufacturer, while the diversity of process cartridges increases the complexity of the manufacturer's production.

Disclosure of Invention

For solving the problem that exists among the prior art, the utility model provides a drive assembly and processing box, this structure assembly is simple, and reduce cost prevents to drop because of the action frequently leads to the power receiving part and causes the phenomenon of the unable work of processing box.

For solving the problem that exists among the prior art, the utility model provides a handle chip fixing device of box reduces manufacturer manufacturing cost and research and development cost, reduces the complexity of manufacturing production, improves production efficiency.

In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a chip fixing device of processing box, includes the chip mount of being connected with the processing box and installs the chip in chip fixed frame, the chip mount include with the fixed protruding of being connected of processing box and can dismantle the chip card groove of being connected with fixed protruding, the chip is fixed on the chip card groove, fixed protruding has the cavity of installation chip card groove, is equipped with the bellied locating piece that makes progress on the cavity, the chip card groove includes the draw-in groove bottom plate, have on the draw-in groove bottom plate with locating piece complex locking mouth. Arranging a concave cavity for installing a chip clamping groove; the positioning block is heated by matching the locking port on the positioning block and the clamping groove bottom plate, the positioning block is deformed, and the chip clamping groove is fixed on the fixing protrusion. Therefore, the chip card slot is designed independently, and only the chip card slot needs to be redesigned without designing the whole processing when the sizes of the processing boxes or the chips of different models are different. The development cost of the die and the development cost of production are reduced, namely, the die does not need to be opened again for the processing box, and only the die of the chip card slot is opened. The chip is responsible for receiving information, storing information and feeding back information, and controls the processing box according to the information.

Furthermore, a front clamping groove concave position which is located on the cavity and is close to one side of the processing box and provided with a clamping groove bottom plate, a rear clamping groove concave position which is located on the cavity and is far away from one side of the processing box and provided with the clamping groove bottom plate, a first positioning gap is arranged between positioning blocks on the front clamping groove concave position, a second positioning gap is arranged between the positioning blocks on the rear clamping groove concave position and the rear clamping groove concave position, and two ends of the clamping groove bottom plate are installed on the first positioning gap and the second positioning gap. Thus, the front clamping groove concave position and the rear clamping groove concave position provide mounting positions for the clamping groove bottom plate; the first positioning gap and the second positioning gap facilitate quick positioning and installation of the clamping groove bottom plate.

Furthermore, the chip card slot further comprises a chip positioning frame which is positioned on the card slot bottom plate and is provided with an opening at one side, a chip supporting sheet which is upwards protruded on the card slot bottom plate and is positioned in the chip positioning frame, and connecting grooves which are positioned at two sides of the card slot bottom plate. The connecting groove is convenient for fast butt joint of the chip of the processing box and the printing equipment; the chip positioning frame and the chip supporting sheet are convenient for installing the chip.

Furthermore, a locking buckle is arranged on the side edge of the chip positioning frame, and the height of the chip supporting sheet is lower than the bottom surface of the locking buckle. A space for installing the chip is formed between the locking hasp and the chip support sheet, and the chip is locked by the chip hasp and is not easy to fall off.

Further, a heat dissipation hole is formed between the chip support sheet and the side edge of the chip positioning frame; so that the temperature of the chip is not overheated.

Furthermore, reinforcing strips are arranged on two sides of the connecting groove; therefore, the butt joint of the connecting grooves is not easy to damage, and the strength of the connecting grooves is ensured.

Furthermore, one end of the clamping groove bottom plate close to the processing box is larger than one end of the clamping groove bottom plate far away from the processing box; thus, the installation and fixation of the clamping groove bottom plate are facilitated.

Furthermore, one end of the fixed bulge is connected with the processing box, the other end of the fixed bulge is provided with a butt joint circular arc, and one side of the concave cavity is provided with a butt joint concave position; the quick butt joint of the processing box and the printing equipment is facilitated.

Drawings

Fig. 1 is an exploded view of a process cartridge.

Fig. 2 is a schematic view of the structure of the process cartridge.

Fig. 3 is an exploded view of the drive assembly.

Fig. 4 is a schematic structural diagram of the driving assembly.

Fig. 5 is a cross-sectional view of the drive assembly.

Fig. 6 is a schematic structural view of the hub.

Fig. 7 is a schematic view showing the connection of the protective cover and the fixing projection.

Fig. 8 is a schematic structural view of a chip card slot.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 5, a driving assembly 1 is used for a process cartridge 2.

The processing box 2 further comprises a shell 21, a chip fixing device 22 positioned on the shell 21, a rotating roller 23 arranged in the shell 21 and a charging roller 24 in transmission connection with the rotating roller 23; the housing 21 facilitates mounting of parts; the housing 21 includes a protective cover 2101 and a waste powder bin 2102 connected to the protective cover; the chip fixing device 22 is used for fixing a chip, so that the processing box 2 is convenient to control; the rotating roller 23 is the heart of the process cartridge 2, and all other components are distributed around the rotating roller 23 to exert different functions with the rotating roller 23 as the center; the charging roller 24 is responsible for charging and discharging the rotating roller 23.

As shown in fig. 1 and 2, the chip fixing device 22 includes a chip fixing frame 2201 connected to the processing box 2 and a chip 2202 fixed in the chip fixing frame, the chip fixing frame 2201 includes a fixing protrusion A1 connected to the processing box 2 and a chip card slot B2 detachably connected to the fixing protrusion A1, the chip is fixed to the chip card slot B2, the fixing protrusion is fixed to the protection cover, the fixing protrusion A1 has a cavity a101 for installing a chip card slot B2, a positioning block a100 protruding upward is disposed on the cavity a101, the chip card slot B2 includes a card slot bottom plate B201, and a locking opening B200 matched with the positioning block a100 is disposed on the card slot bottom plate B201. The cavity A101 is arranged by using a chip card slot B2; the positioning block A100 is matched with a locking opening B200 on the card slot bottom plate B201, the positioning block A100 is heated, the positioning block A100 deforms, and the chip card slot B2 is fixed on the fixing protrusion A1. Thus, the purpose of designing the chip card slot B2 separately is to redesign only the chip card slot B2 without designing the whole process when the sizes of the process cartridges 2 of different models or chips are not the same. The development cost and the production development cost of the die are reduced, namely, the processing box 2 does not need to be opened again, and only the die with the chip clamping groove B2 is required. The chip is responsible for receiving information, storing information, feeding back information, and controlling the process cartridge 2 according to the information.

As shown in fig. 7, a front card slot recess a102 having a card slot bottom plate B201 is located on the cavity a101 and on a side close to the processing box 2, a rear card slot recess a103 having a card slot bottom plate B201 is located on the cavity a101 and on a side far from the processing box 2, a first positioning gap a104 is provided between the positioning blocks a100 on the front card slot recess a102, a second positioning gap a105 is provided between the positioning block a100 on the rear card slot recess a103 and the rear card slot recess a103, and two ends of the card slot bottom plate B201 are mounted on the first positioning gap a104 and the second positioning gap a 105. Thus, the front card slot recess A102 and the rear card slot recess A103 provide mounting locations for the card slot floor B201; the first positioning gap a104 and the second positioning gap a105 facilitate quick positioning and installation of the card slot base plate B201.

One end of the fixed bulge A1 is connected with the processing box 2, the other end of the fixed bulge A1 is provided with a butt joint arc A106, and one side of the cavity A101 is provided with a butt joint concave position A107; thus, quick docking of the process cartridge 2 to the printing apparatus is facilitated.

As shown in fig. 8, the chip card slot B2 further includes a chip positioning frame B202 located on the card slot bottom plate B201 and having an opening at one side, a chip supporting plate B203 protruding upward from the card slot bottom plate B201 and located in the chip positioning frame B202, and connecting slots B204 located at two sides of the card slot bottom plate B201. The connection groove B204 facilitates quick docking of the chip of the process cartridge 2 with the printing apparatus; the chip positioning frame and the chip supporting sheet B203 are convenient for installing the chip.

The side edge B205 of the chip positioning frame B202 has a locking buckle B206, and the height of the chip supporting sheet B203 is lower than the bottom surface of the locking buckle B206. A space for mounting the chip is formed between the locking buckle B206 and the chip support piece B203, and the chip is locked by the chip buckle and is not easy to fall off.

A heat dissipation hole B207 is arranged between the chip support sheet B203 and the side edge B205 of the chip positioning frame; so that the temperature of the chip is not overheated.

Reinforcing strips B208 are arranged on two sides of the connecting groove B204; therefore, the butt joint of the connecting groove B204 is not easy to damage, and the strength of the connecting groove B204 is ensured.

One end of the clamping groove bottom plate B201 close to the processing box 2 is larger than one end far away from the processing box 2; this facilitates the mounting and fixing of the card slot bottom plate B201.

One end of the driving assembly 1 is installed on a rotating roller 23 in the processing box 2 and transmits a rotating driving force to the rotating roller, and the driving assembly 1 comprises a hub 3, an elastic group 4 arranged in the hub 3, a driving assembly mounting seat 5 arranged at the upper end of the hub 3 and a telescopic rotating piece 6 connected with the elastic group 4 by penetrating through the driving assembly mounting seat 5.

As shown in fig. 6, the hub 3 includes a hub main body 31, a guiding sleeve 32 located inside the hub main body 31, and a limiting ring 33 located between the hub main body 31 and the guiding sleeve 32, and the guiding sleeve 32 has a guiding runner 3201 and a reinforcing rib 3202 connected with the hub main body 31 in a scattering manner. The hub body 31 has a hub sleeve 3101, a bottom plate 3102 at the lower end of the hub sleeve 3101, and a meshing portion 3103 outside the hub sleeve 3101, and the bottom plate 3202 has a post 3204 protruding upward. The hub sleeve 3101 and post facilitate mounting the spring set 4 and the engagement portion 3103 facilitates transmission of a driving force.

As shown in fig. 3 and 5, the elastic member 41 includes an elastic member 41 and a clip strip 42, the elastic member 41 is a conical coil spring with a small top and a large bottom, the clip strip 42 has a convex portion 4201 in the middle and an extension portion 4202 extending perpendicularly to both ends of the convex portion 4201, and the clip strip 42 passes through the elastic member 41 and one end of the telescopic rotating member 6 and is constrained in the guide sliding groove 3201 at both ends. The clamping strip 42 penetrates through the elastic piece 41 and the telescopic rotating piece 6, so that the telescopic rotating piece 6 is connected with the elastic piece 41, the telescopic action of the telescopic rotating piece 6 is realized, and meanwhile, the telescopic rotating piece 6 is prevented from being loosened from the driving assembly 1; the clamping strip 42 passes through the telescopic rotating piece 6, two ends of the clamping strip are limited in the guide sliding groove 3201 to act, and the clamping strip 42 is driven to rotate through the rotation of the telescopic rotating piece 6, so that the hub 3 is driven to rotate, and the rotary driving force is transmitted to the driving assembly 1. The limiting ring 33 is arranged to limit the action position of the clamping strip 42, accurately control the compression position of the telescopic rotating piece 6 and prevent the elastic piece 41 from losing efficacy.

As shown in fig. 3, the driving unit mount 5 includes a cover plate 51 fixed to one side of the process cartridge 2, an urging member 52, and a slide member 53; the pressing piece 52 is a concave frame structure 5201, the inner side of the frame structure 5201 is provided with a sliding key 5202 parallel to the upper surface of the frame structure, the outer side of the frame structure 5201 is provided with a pressing strip 5203 perpendicular to the upper surface of the frame structure, and the upper end is provided with a pressing projection 5204; the sliding piece 53 is a trapezoidal structure 5301 with a narrow top and a wide bottom, both sides of the trapezoidal structure 5301 are provided with a sliding groove 5302 matched with the sliding key 5202 and a through hole 5303 of the rotating shaft 62 from top to bottom, and the sliding groove 5302 is parallel to the upper surface of the trapezoidal structure 5301; the cover plate 51 has a pressing member mounting hole 5101 engaged with the pressing member 52, a pressed sliding groove 5102 engaged with the pressed protrusion 5204, and a clearance arc 5103 of the slider 53, and the pressing member 52 is mounted on the pressing member mounting hole 5101. The pressing piece 52 is fixedly installed in an interference fit manner with the pressing piece installation hole 5101 on the cover plate 51 through the pressing protrusion 5204 and the pressing strip 5203; the sliding key 5202 on the inner side of the frame structure 5201 is in sliding translational fit with the sliding groove 5302 on the sliding piece 53, and the hole 5303 of the rotating shaft 62 is arranged to facilitate the transmission of the driving force by the telescopic rotating piece 6 through the driving component mounting seat 5; the clearance arc 5103 is provided, when the telescopic rotating member 6 acts, the sliding member 53 translates in the pressing member 52, and the clearance arc vacates a moving space for the sliding member 53.

The telescopic rotary member 6 includes a disk-shaped power receiving opening 61 located at an upper end of the telescopic rotary member 6 and a rotary shaft 62 located at a lower end of the power receiving opening 61. The disc-shaped power receiving opening 61 facilitates transmission of driving force, and the rotary roller is rotated by the rotary shaft 62.

The power receiving opening 61 is provided with an annular outer inclined plane 6101 outwards, the outer inclined plane 6101 is provided with a pair of convex claws 6102 which protrude outwards along the axial direction, a limit protrusion 6103 which is symmetrically arranged is arranged between the convex claws 6102, and an inner inclined plane 6104 is arranged in the power receiving opening 61 around the rotating shaft 62 of the telescopic rotating member 6 inwards; the pair of claws 6102 are provided with inclined surfaces 6102a facing inward around the rotation shaft 62 of the telescopic rotary member 6, and the inner inclined surfaces 6104 are integrally connected to the inclined surfaces 6102a in a smooth transition. The outer inclined plane 6101 is arranged to prevent interference with other parts, the convex claw 6102 is arranged to receive driving force, the inclined plane 6102a is arranged on the convex claw 6102 to make the device for inputting driving force access smooth, and the limit protrusion 6103 is arranged to accelerate the butt joint of the device for inputting driving force and the convex claw 6102.

The rotating shaft 62 comprises a first shaft section 6201, a second shaft section 6202 and a third shaft section 6203 which are sequentially connected and have sequentially reduced shaft diameters; the first shaft segment 6201 is connected to the power receiving opening 61, the second shaft segment 6202 passes through the driving assembly mounting base 5, and a notch 6203a is arranged on the third shaft segment 6203. Because the second shaft segment 6202 passes through the drive assembly mount 5 and the axial diameter of the first shaft segment 6201 is greater than the axial diameter of the second shaft segment 6202, the axial range of motion of the telescoping rotary member 6 is limited, the third shaft segment 6203 is provided with a notch 6203a to facilitate installation of the clip strip 42.

The upper end of the coil spring abuts on the axial end surface of the second axial section 6202; the boss 4201 passes through the upper end of the coil spring and the notch 6203a of the third shaft segment 6203, and the extension 4202 is located within the guide chute 3201. The conical helical spring has simple structure and convenient manufacture. The protrusion 4201 passes through the upper end of the coil spring and the notch 6203a of the third shaft segment 6203 so that the telescopic rotary member 6 does not get out of the drive assembly 1. Since the extension 4202 is located in the guide chute 3201, when the telescopic rotary member 6 rotates, the extension 4202 pushes the guide chute 3201, thereby driving the hub 3 to rotate.

The drive assembly and the processing box with the structure are simple to assemble, the phenomenon that the processing box cannot work due to the fact that the power receiving part falls off frequently caused by actions is prevented, and the service life of the processing box is prolonged.

Claims (8)

1. A chip fixing device of a processing box comprises a chip fixing frame connected with the processing box and a chip arranged in a chip fixing frame, and is characterized in that the fixing frame comprises a fixing protrusion connected with the processing box and a chip clamping groove detachably connected with the fixing protrusion, the chip is fixed on the chip clamping groove, the fixing protrusion is provided with a cavity for installing the chip clamping groove, a positioning block protruding upwards is arranged on the cavity, the chip clamping groove comprises a clamping groove bottom plate, and a locking opening matched with the positioning block is formed in the clamping groove bottom plate.

2. A chip holding device for a process cartridge according to claim 1, wherein: the positioning block on the front clamping groove concave position is provided with a first positioning gap, the positioning block on the rear clamping groove concave position is provided with a second positioning gap, and two ends of the clamping groove bottom plate are arranged on the first positioning gap and the second positioning gap.

3. A chip holding device for a process cartridge according to claim 2, wherein: the chip clamping groove further comprises a chip positioning frame, a chip supporting sheet and connecting grooves, wherein the chip positioning frame is located on the clamping groove bottom plate and provided with an opening at one side, the clamping groove bottom plate protrudes upwards and is located in the chip positioning frame, and the connecting grooves are located at two sides of the clamping groove bottom plate.

4. A chip holding device for a process cartridge according to claim 3, wherein: the side edge of the chip positioning frame is provided with a locking hasp, and the height of the chip supporting sheet is lower than the bottom surface of the locking hasp.

5. A chip holding device for a process cartridge according to claim 3, wherein: and heat dissipation holes are formed between the chip supporting sheet and the side edge of the chip positioning frame.

6. A chip holding device for a process cartridge according to claim 3, wherein: reinforcing strips are arranged on two sides of the connecting groove.

7. A chip holding device for a process cartridge according to claim 2, wherein: the end of the clamping groove bottom plate close to the processing box is larger than the end far away from the processing box.

8. A chip holding device for a process cartridge according to claim 1, wherein: one end of the fixed protrusion is connected with the processing box, the other end of the fixed protrusion is provided with a butt joint circular arc, and one side of the concave cavity is provided with a butt joint concave position.