CN203376560U - Detection device of developing agent box - Google Patents
Detection device of developing agent box Download PDFInfo
- Publication number
- CN203376560U CN203376560U CN201320472115.1U CN201320472115U CN203376560U CN 203376560 U CN203376560 U CN 203376560U CN 201320472115 U CN201320472115 U CN 201320472115U CN 203376560 U CN203376560 U CN 203376560U
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- sensor
- pick
- driving circuit
- unit
- developer box
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Abstract
The utility model discloses a detection device of a developing agent box. The detection device of the developing agent box comprises a driving circuit controller, an execution unit and a triggering element which is in contact with a sensor. The triggering element is connected with the execution unit, and the driving element controller is connected with the execution unit. According to the detection device of the developing agent box, in the working process, the triggering element is controlled through the driving circuit controller to be matched with a picture forming device sensor, the accuracy of contact of the triggering element and the sensor is guaranteed, the contacting time of the triggering element and the sensor is prolonged, detection of delay existing in the sensor is achieved, a central processing unit of a laser printer is made to enter a counting working state, and the working process of the developing agent box is recorded. The detection device of the developing agent box is driven in an electronic mode, is simple in structure and more reliable in performance, meanwhile, universality of the structure can be achieved, equipment time sequence difference for different images can be achieved through software, and the structure is greatly simplified.
Description
Technical field
The utility model relates to the definition technique field, relate in particular to a kind of pick-up unit of the developer box for image forming apparatus such as laser printer or duplicating machine, for coordinate to detect the use state of developer box with the sensor of image forming apparatus.
Background technology
At laser class image forming apparatus, for example, in laser printer, duplicating machine or digital code intergrated machine, be provided with the developing apparatus that the electrostatic latent image to being formed on photosensitive drums is developed, developing apparatus is laid in developer on electrostatic latent image and is developed.The developer consumed that develops is generally provided by developer box, after the developer in developer box is finished, then the developer box more renewed.
Part one and split type developer box are provided with the use condition checkout gear, for the sensor with on image forming apparatus, coordinate, and whether the developer box that the detection of take is being used is as new.For example, the CN200720060742.9 Chinese utility model patent discloses a kind of developer box that uses condition checkout gear that is provided with, this developer box comprises powder storehouse, puddle support, powder feeding roller, developer roll and the powder outlet cutter etc. of receiving photographic developer, the end wall of developer box one side is provided with gear drive, for the driving force by the image forming input, passes to puddle support, powder feeding roller and developer roll to carry out work.In a kind of developer box with said structure, be provided with on the end wall of gear drive and also be provided with a pick-up unit, whether live through the use state for identifying this developer box, and trigger the corresponding state sensor that uses in image forming.Above-mentioned detection device mainly comprises detection wheel and a torsion spring, this detection wheel is rotatably supported on the back shaft be fixedly installed on described end wall outside surface, be fixed with at least two trigger elements at the detection wheel shaft on the end face back to described end wall, torsion spring is placed on described back shaft, the force arm outer end of its spiral pars intermedia one end forms a crotch section, this crotch section is hooked in being subject to the arm of force of stretching out from the end face of the close torsion spring of detection wheel, and the other end is pressed against the baffle plate that is formed on the back shaft surrounding.Developer box is before the image forming of packing into is used, and the state of torsion spring in tightening, locked by gear drive and detect wheel.When developer box is packed image forming into, the first gear in gear drive meshes to drive to detect to take turns by the toothed projections of taking turns with detection and turns over the also disengaging engagement of an angle, torsion spring discharges elastic force to detecting wheel it is rotated further along former direction, detect when wheel rotates and pass through the corresponding state sensor that uses in its trigger element triggering image forming, make image forming can identify this developer box and whether live through the use state.
Above-mentioned detection device need to coordinate with the driving web member on developer box, owing to being that Mechanical Driven detects, therefore, for the detection setting of different sequential, need to make different physical construction, need consider sequence problem with driving the web member assembling simultaneously.In addition owing to being the machinery cooperation, so baroque while, just cumbersome while again utilizing developer box, whole part need to be disassembled to reinstall and reset, even some fixed connection structure can't be accomplished this point, so whole pick-up unit complexity, and manufacture and installation accuracy require high, thereby cost is higher, and not general, replacement complexity.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of developer box pick-up unit with more reliable performance, after having that the new reagent of this pick-up unit is box-packed and entering image forming apparatus, can coordinate with the image forming apparatus sensor and realize electronic delay interaction detection accurately.
For solving the problems of the technologies described above, the utility model has adopted following technical scheme: the pick-up unit that designs a kind of developer box, for coordinate to detect the use state of developer box with the sensor of image forming apparatus, described pick-up unit comprises driving circuit controller, performance element and trigger element for contacting with described sensor, described trigger element is connected in described performance element, described driving circuit controller and described performance element control linkage.
Developer box pick-up unit of the present utility model in the course of the work, control coordinating of trigger element and image forming apparatus sensor by the driving circuit controller, guaranteed the accuracy that trigger element contacts with sensor, extended the duration of contact of trigger element and sensor, realize that the time delay that sensor exists detects, make the central processing unit of laser printer enter the counting duty, record the work course of developer box.The utility model is to drive by the electronics mode, so simple in structure, more reliable performance, but implementation structure is general simultaneously, for different image forming apparatus time sequence differences, can solve by software, its structure is obtained very large simplification, can remove and install easily and readjust sequential between pick-up unit and developer box in addition, also facilitate regeneration to reclaim powder box.
According to a kind of embodiment of the present utility model, described performance element is micro motor, and described trigger element is can be by the cam of described micro motor driven rotary.
According to another kind of embodiment of the present utility model, described performance element is solenoid mechanism, the movable screw rod of described trigger element for can be under the driving effect of described solenoid mechanism, moving along self axial reciprocating.Further, described solenoid mechanism comprises holder, magnet, spring coil and screw, described holder is connected in described driving circuit controller, described magnet is arranged in described holder, described screw is fixed on the inner and relative with described magnet of described movable screw rod, described spring coil is placed on described movable screw rod and is arranged between the flange and described holder on this movable screw rod, and this spring coil is electrically connected to described driving circuit controller.
The accompanying drawing explanation
Fig. 1 is the structural representation of developer box with pick-up unit of the utility model embodiment mono-.
Fig. 2 is the end construction schematic diagram after developer box shown in Fig. 1 is removed guard shield.
Fig. 3 is the original state schematic diagram of pick-up unit shown in Fig. 2.
Fig. 4 is the working state schematic representation of pick-up unit shown in Fig. 2.
Fig. 5 is the end-of-job view of pick-up unit shown in Fig. 2.
Fig. 6 is the original state stereographic map of the pick-up unit of the utility model embodiment bis-.
Fig. 7 is the original state axial view of pick-up unit shown in Fig. 6.
Fig. 8 is the original state cut-open view of pick-up unit shown in Fig. 6.
Fig. 9 is the contraction state stereographic map of the pick-up unit of the utility model embodiment bis-.
Figure 10 is the contraction state axial view of pick-up unit shown in Fig. 9.
Figure 11 is the contraction state cut-open view of pick-up unit shown in Fig. 9.
Embodiment
Embodiment mono-
Fig. 1 and the developer box that Figure 2 shows that the pick-up unit with the utility model embodiment mono-, this developer box is applied in the image forming apparatus such as laser printer, it comprises by the first end wall 11, the box body 1 that the second end wall 12 and some sidewalls surround, this box body 1 internal separation becomes to store the powder-storage bin 10 of rated capacity developer and developer is adsorbed in to developer roll 2(only shows end for laying in certain developer and completing therein) developing chamber on surface, be provided with puddle support 3 in powder-storage bin 10, between powder-storage bin 10 and developing chamber, be provided with to the powder feeding roller 4 of developer roll 2 supply developers, developer roll 2 and powder feeding roller 4 rotatably are supported on two end walls of box body 1, developer roll 2 tops are provided with the powder outlet cutter (not shown) of regulating the developing roller surface developer layer thickness.The first end wall 11 of box body 1 is provided with gear drive 6, for the rotary torque by laser printer input pass to puddle support 3, powder feeding roller 4 and developer roll 2 so that they stirred respectively, the work of powder feeding and development, puddle support 3 receives driving force by the puddle support gear 31 that is fixed on its end with gear drive 6 engagements.Gear drive 6 outsides are provided with guard shield 5, this guard shield 5 can the connected mode such as be buckled by bolt 51 or tenon and be fixed on the first end wall 11, and then gear drive 6 is enclosed in the inner chamber surrounded by guard shield 5 and the first end wall 11, avoid gear drive 6 to expose the impact that affects the sight and be subject to flying dust.Simultaneously, self towards the surface of the first end wall 11, with the respective gears axial end in gear drive 6, keep sliding contact state by guard shield 5, provide axial location to gear drive 6, and then avoid the gear in gear drive 6 come off so that cause and print obstacle etc. from corresponding gear shaft.Also be provided with a pick-up unit 7 between the first end wall 11 and guard shield 5, for triggering the corresponding state sensor 20 that uses of laser printer, whether live through the purpose of use state to reach this developer box of identification.
Referring to Fig. 3 to Fig. 5, this pick-up unit 7 comprises driving circuit controller 71, micro motor 72 and is fan-shaped cam 73, driving circuit controller 71 and micro motor 72 control linkages, cam 72 is connected to the output terminal of micro motor 72 and, by these micro motor 72 driven rotary, contacts for the sensor 20 with image forming apparatus.Under original state, after developer box is packed laser printer into, cam 73 on developer box contacts with the sensor 20 of image forming apparatus, make the contact jaw contact pressurized of sensor 20, by the gauge tap on artificial triggering driving circuit controller 71 (or automatic time delay structure control switch), then micro motor 72 rotates under the work order of driving circuit controller 71, and then cam 73 is rotated, along with the rotation realization of cam 73 contacts and realizes the sequential detection with the sensor 20 of image forming apparatus.
The pick-up unit 7 of said structure in the course of the work, control coordinating of cam 73 and sensor 20 by driving circuit controller 71, guaranteed the accuracy that cam 73 contacts with sensor 20, extended the duration of contact of cam 73 and sensor 20, realize that the time delay that sensor 20 exists detects, make the central processing unit of laser printer enter the counting duty, record the work course of developer box.This pick-up unit 7 is to drive by the electronics mode, so simple in structure, more reliable performance, but implementation structure is general simultaneously, for different image forming apparatus time sequence differences, can solve by software, its structure is obtained very large simplification, can remove and install easily and readjust sequential between pick-up unit 7 and developer box in addition, also facilitate regeneration to reclaim powder box.
Embodiment bis-
Referring to Fig. 6, the pick-up unit 8 of the utility model embodiment bis-comprises driving circuit controller 81, solenoid mechanism 82 and movable screw rod 83, driving circuit controller 81 and solenoid mechanism 82 control linkages, movable screw rod 83 can be under the driving effect of solenoid mechanism 82, along self axial reciprocating, move, for optionally contacting with the sensor 20 of image forming apparatus.Driving circuit controller 81 comprises driving circuit base 811 and position driving circuit 812 in the inner, solenoid mechanism 82 comprises holder 821, magnet 822, spring coil 823 and screw 824, holder 821 is connected in driving circuit base 811, magnet 822 is arranged in holder 821, screw 824 is fixed on the inner and relative with magnet 822 of movable screw rod 83, movable screw rod 83 is the major part screw rod, spring coil 823 is placed on movable screw rod 83 and is arranged between the major part flange and holder 821 on this movable screw rod 83, this spring coil 823 is electrically connected to by power lead 84 with driving circuit 812.
Under original state, after developer box is packed laser printer into, movable screw rod 83 contacts pressurized with sensor 20 contact jaws on image forming apparatus, trigger image forming apparatus and detect beginning, under driving circuit 812 effects, spring coil 823 and movable screw rod 83 produce electromagnetic force, with the magnet 822 in holder 821, produce different in nature suction, movable screw rod 83 is compressed spring coil 823 rapidly, and movable screw rod 83 shrinks.Movable screw rod 83 separates with the sensor 20 of image forming apparatus, by the time of counter on driving circuit 812 is set, guarantees pick-up unit 8 and the time that sensor 20 contacts, and realizes precise time control.
The transmitting electrode of the driving circuit 812 of above pick-up unit 8, can realize power supply by battery, also can connect the realization power supply by the voltage-regulation element be connected on developer box.Sequential adjustment on pick-up unit 8 can require to adjust according to different developer boxes and image forming apparatus makes specificity and versatility.
Claims (4)
1. the pick-up unit of a developer box, for coordinate to detect the use state of developer box with the sensor of image forming apparatus, it is characterized in that, described pick-up unit comprises driving circuit controller, performance element and trigger element for contacting with described sensor, described trigger element is connected in described performance element, described driving circuit controller and described performance element control linkage.
2. the pick-up unit of developer box according to claim 1, it is characterized in that: described performance element is micro motor, described trigger element is can be by the cam of described micro motor driven rotary.
3. the pick-up unit of developer box according to claim 1, it is characterized in that: described performance element is solenoid mechanism, the movable screw rod of described trigger element for can be under the driving effect of described solenoid mechanism, moving along self axial reciprocating.
4. the pick-up unit of developer box according to claim 3, it is characterized in that: described solenoid mechanism comprises holder, magnet, spring coil and screw, described holder is connected in described driving circuit controller, described magnet is arranged in described holder, described screw is fixed on the inner and relative with described magnet of described movable screw rod, described spring coil is placed on described movable screw rod and is arranged between the flange and described holder on this movable screw rod, and this spring coil is electrically connected to described driving circuit controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320472115.1U CN203376560U (en) | 2013-08-02 | 2013-08-02 | Detection device of developing agent box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320472115.1U CN203376560U (en) | 2013-08-02 | 2013-08-02 | Detection device of developing agent box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203376560U true CN203376560U (en) | 2014-01-01 |
Family
ID=49839083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320472115.1U Withdrawn - After Issue CN203376560U (en) | 2013-08-02 | 2013-08-02 | Detection device of developing agent box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203376560U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472696A (en) * | 2013-08-02 | 2013-12-25 | 珠海天威飞马打印耗材有限公司 | Detection device for developer box |
-
2013
- 2013-08-02 CN CN201320472115.1U patent/CN203376560U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472696A (en) * | 2013-08-02 | 2013-12-25 | 珠海天威飞马打印耗材有限公司 | Detection device for developer box |
| WO2015014252A1 (en) * | 2013-08-02 | 2015-02-05 | 珠海天威飞马打印耗材有限公司 | Detection device for developer box |
| CN103472696B (en) * | 2013-08-02 | 2016-01-27 | 珠海天威飞马打印耗材有限公司 | The pick-up unit of developer box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140101 Effective date of abandoning: 20160127 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |