CN210776193U

CN210776193U - Developing device and imaging equipment thereof

Info

Publication number: CN210776193U
Application number: CN201921666389.8U
Authority: CN
Inventors: 范文燚; 姚行
Original assignee: Zhuhai Un Tern Imaging Products Co ltd
Current assignee: Zhuhai Un Tern Imaging Products Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-06-16
Anticipated expiration: 2029-09-30

Abstract

The utility model provides a developing device which can be detachably installed on an imaging device and comprises a shell, a transmission receiving unit, a power receiving unit and a storage unit; the storage unit includes at least one communication terminal provided at a rear end of the housing in a mounting direction of the developing device, the communication terminal being electrically connected with a probe on the image forming apparatus when the developing device is mounted on the image forming apparatus; the shell corresponding to the communication terminal is also provided with a covering sliding block, the covering sliding block comprises an elastic part and a sliding block part, the sliding block part can move between a covering position and a non-covering position relative to the shell, the communication terminal is covered by the sliding block part at the covering position, and at least part of the communication terminal is exposed at the non-covering position; the developing device with the structure can prevent the communication terminal from being exposed to contact with external foreign matters before being installed in the imaging equipment and expose the communication terminal after the slider part moves after being installed in the imaging equipment so as to realize the contact of the communication terminal and the probe.

Description

Developing device and imaging equipment thereof

[ technical field ] A method for producing a semiconductor device

The present invention relates to an electrophotographic image forming apparatus, and more particularly to a developing device and an image forming apparatus using the same.

[ background of the invention ]

Electrophotographic image forming apparatuses (also referred to as image forming apparatuses), such as laser printers, are generally provided with toner (also referred to as toner or developer) supplied thereto by a detachable developing device to develop an electrostatic latent image on a photosensitive member (also referred to as a photosensitive drum), and then transfer the toner on the photosensitive member onto a medium such as paper to form a visible image.

The developing device comprises a shell, a transmission receiving unit, a power receiving unit and a storage unit, wherein a plurality of communication terminals of the existing storage unit are mostly arranged on the rear side of the developing device and directly exposed for facilitating connection and installation, the storage unit can be directly connected with the imaging equipment and feed back information after the imaging equipment is installed in the storage unit through the exposed communication terminals, and meanwhile, the storage unit can be separated from the imaging equipment in a non-working state. In the prior art, a probe is generally disposed on the image forming apparatus, a corresponding communication terminal is disposed on the storage unit of the developing device, and the storage unit of the developing device and the image forming apparatus are electrically connected to transmit information through the contact between the probe and the communication terminal. When the developing device is separated from the image forming apparatus, the probe is separated from the communication terminal; when the imaging device works, the probe and the communication terminal can be directly electrically connected, so that the data interaction effect is achieved, and the normal work is realized.

However, in the above-mentioned developing device, since the developing device can be separated from the imaging device, the developing device exposed outside is placed for a long time, and the developing device thereon is often contacted with substances such as external dust or moisture, which easily causes the surface of the communication terminal on the developing device to adsorb various foreign matters, and when the communication terminal of the developing device is contacted with the probe of the imaging device again, the communication unit on the developing device is easily damaged; or when the two are connected for working, the middle is shielded by foreign matters, so that poor conduction between the two is caused, and further signal transmission is influenced, the imaging equipment cannot work normally, or the developing device cannot be used normally.

[ summary of the invention ]

In order to solve the above problem, the utility model discloses communication terminal department at developing device sets up one and can cover the slider that covers of whole communication terminal before the imaging device packs into, provides one kind and can adapt to various environment and be convenient for long-term storage, does not receive the influence of external foreign matter, the effectual entering that prevents objects such as dust or sewage, and does not obstruct probe and the good detachable developing device and the imaging device who is connected of communication terminal on the imaging device.

In order to realize the purpose of the invention, the utility model adopts the technical scheme that:

a developing device detachably mountable to an image forming apparatus, the developing device including a housing, a transmission receiving unit, a power receiving unit, and a storage unit; a transmission receiving unit provided at one side of the housing for receiving a driving force from the image forming apparatus; a power receiving unit disposed at the other side of the housing for receiving electric power from the image forming apparatus; the storage unit includes at least one communication terminal provided at a rear end of the housing in a mounting direction of the developing device, the communication terminal being electrically connected with a probe on the image forming apparatus when the developing device is mounted on the image forming apparatus; the shell that communication terminal corresponds department still is provided with covers the slider, covers the slider and includes elastic component and slider part, and the slider part can move between the position of covering and non-covering relative the casing, and at the position of covering, communication terminal is covered by slider part, and communication terminal is partly exposed at least in the non-position of covering.

Further, the slider portion includes a slide rail and at least one ramp for receiving a force from the probe to move the slider portion relative to the housing from the covering position to the uncovering position.

Further, in a state where the developing device is mounted in the image forming apparatus, at least a portion of the inclined surface faces upward or downward.

When the inclined plane of the developing device is arranged upwards, the slider part can move downwards under the action of the force of the probe, and the probe is contacted with the communication terminal; when the inclined plane is arranged downwards, the slide block part moves upwards under the action of the force of the probe, and the probe can be contacted with the communication terminal; the structure is simple and the manufacturing cost is low.

Furthermore, the elastic part is a bending elastic arm, one end of the bending elastic arm is connected with the shell, and the other end of the bending elastic arm is connected with the sliding block part.

With the developing device having the above-described structure, the slider portion can be positioned to cover the communication terminal under the support of the bent elastic arm.

Further, the bending elastic arm further comprises a fixing buckle.

Furthermore, the shell is provided with a positioning part, the positioning part comprises a clamping groove and a sliding groove, the fixing buckle is sleeved on the clamping groove, and the sliding groove is matched with the sliding rail so that the sliding block part can slide on the sliding groove.

Further, before the developing device is incorporated into the image forming apparatus, the slider portion is located at the covering position supported by the elastic arm; when the developing device is installed in the image forming apparatus, the inclined surface slides the slider portion from the covering position to the non-covering position by the force of the probe, and the communication terminal is electrically contacted with the probe; when the slider portion is not acted upon by the probe, the slider portion returns from the non-covering position to the covering position.

An image forming apparatus includes a main body in which at least one developing device such as the above-described developing device is mounted with the main body cover open, and a main body cover pivotally mounted on the main body for opening and closing the main body, the main body cover being disposed at a rear portion of the developing device with respect to a mounting direction of the developing device, and the main body cover being provided with probes corresponding to communication terminals.

The utility model has the advantages that:

the utility model discloses be applied to imaging device on, be provided with the slider that covers that can cover whole communication terminal in communication terminal department, this slider can prevent that communication terminal from exposing the outside foreign matter of contact and exposing communication terminal after the probe messenger slider part through imaging device after the imaging device of packing into removes before the imaging device of packing into, and then the probe produces the contact with developing device's communication terminal.

The covering slide block can cover the whole communication terminal before being installed in the imaging equipment, so that the developing device can adapt to various environments and is convenient for long-term storage, the communication terminal is not influenced by external foreign matters, and objects such as dust or sewage are effectively prevented from entering the communication terminal; meanwhile, when the device is used, the probe serving as a signal connecting part on the imaging equipment is not prevented from being well connected with the communication terminal, poor conduction between the probe and the communication terminal due to foreign matters is effectively prevented, the reliability of signal transmission is improved, and the reliability of normal work of the imaging equipment or the developing device is further improved.

In addition, cover the slider and can also protect communication terminal for a long time in the storage transportation, prevented that the foreign matter from adsorbing on the terminal surface, improved the contact effect of communication terminal signal of telecommunication.

[ description of the drawings ]

Fig. 1 is a schematic configuration diagram of an image forming apparatus according to a first embodiment;

FIG. 2 is a schematic configuration diagram of a developing device according to an embodiment before being mounted in an image forming apparatus;

FIG. 3 is a partial exploded view of a developing device according to an embodiment;

FIG. 4 is an enlarged view of a portion A of FIG. 3;

FIG. 5 is a diagram showing a positional relationship of a slider portion with respect to a housing during mounting of a developing device in an image forming apparatus according to an embodiment;

FIG. 6 is a diagram showing a positional relationship of a slider portion with respect to a housing after a developing device according to an embodiment is mounted in an image forming apparatus;

FIG. 7 is a view showing a positional relationship of a slider portion with respect to a casing before a developing device of the second embodiment is mounted in an image forming apparatus;

FIG. 8 is a diagram showing a positional relationship of a slider portion with respect to a housing after a second developing device according to an embodiment is mounted in an image forming apparatus.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

[ detailed description ] embodiments

Example one

A developing device, mainly used in an image forming apparatus, as shown in FIG. 1, a corresponding image forming apparatus 100 includes a main body 1 and a main body cover 2 pivotally mounted on the main body 1 for opening and closing the main body 1, four detachable developing devices 3 which are layered and stacked and can be respectively mounted and detached are mounted in the main body 1 with the main body cover 2 open; the main body cover 2 is mounted with a probe 21 that can contact the developing device 3.

As shown in fig. 1 to 4, the developing device 3 includes a housing 31, a transmission receiving unit 32, a power receiving unit 33, and a storage unit 34, wherein the transmission receiving unit 32 is provided at one side in a longitudinal direction of the housing 31 and serves to receive a driving force from the image forming apparatus 100; the power receiving unit 33 is provided at the other side of the longitudinal direction of the housing 31 and serves to receive electric power from the image forming apparatus 100; the storage unit 34 includes a plurality of communication terminals 341, the plurality of communication terminals 341 are provided side by side at the rear end of the housing 31 in the mounting direction a of the developing device 3, and the communication terminals 341 are provided at the end of the housing 31 near the power receiving unit 33 in the longitudinal direction of the developing device 3; when the housing 31 is mounted on the image forming apparatus 100, all the communication terminals 341 are connected to the probes 21 on the image forming apparatus, respectively. In the longitudinal direction of the developing device 3, the housing 31 is provided with positioning portions 311 including a card slot 3111 and a chute 3112 at both ends of the communication terminal 341 arranged side by side.

As shown in fig. 1 to 4, developing device 3 further includes a covering slider 35 provided at housing 31 corresponding to communication terminal 341 and capable of covering all communication terminals 341. The cover slider 35 includes an elastic portion 351 and a slider portion 352, the elastic portion 351 and the slider portion 352 are integrally combined, the elastic portion 351 is a curved elastic arm 351 in the present embodiment, and the curved elastic arm 351 is made of an elastic material; a fixing catch 3511 is provided on the curved elastic arm 351, the fixing catch 3511 being fitted over the card slot 3111 so that one end of the curved elastic arm is fixed to the housing 31, so that the slider portion 352 of the cover slider 35 can cover the communication terminal 341 before the developing device 3 is mounted in the image forming apparatus 100; slider portion 352 includes a slide rail 3521 and a plurality of inclined surfaces 3522, wherein slide rail 3521 is fitted on slide slot 3112 of housing 31 such that slider portion 352 can slide on slide slot 3112; in the present embodiment, the inclined surface 3522 faces upward and serves to receive the pressing force of the probe 21 from the image forming apparatus 100 in a state where the developing device 3 is mounted to the image forming apparatus 100.

Next, a moving process of the slider portion 352 covering the slider during the loading of the developing device 3 into the image forming apparatus 100 will be described with reference to fig. 1 to 6.

Fig. 2 is a positional relationship diagram of the slider portion 352 with respect to the housing 31 before the developing device 3 is mounted in the image forming apparatus 100, and as shown in fig. 2, the slider portion 352 covers the communication terminal 341 before the developing device 3 is mounted in the image forming apparatus 100, and the position at which the slider portion 352 is located with respect to the housing 31 at this time is referred to as a covering position in this embodiment. Fig. 6 is a positional relationship diagram of the slider portion 352 with respect to the housing 31 after the developing device 3 is mounted in the image forming apparatus 100; after the main body cover 2 is closed, the inclined surface 3522 of the slider portion 352 is pressed by the probe 21 provided on the main body cover 2, so that the slider portion 352 covering the slider 35 moves downward in a direction parallel to the slide rail 3521, as shown in fig. 6, the communication terminal 341 is exposed and electrically contacts with the probe 21 provided on the main body cover, and the position of the slider portion 352 relative to the housing 31 at this time is referred to as a non-covering position; the slider portion 352 of the cover slider 35 overcomes the elastic force of the bending elastic arm 351 in the process of moving downward in the direction parallel to the slide rail 3521, so that the bending elastic arm 351 is compressed, when the main body cover 2 is opened, the probe 21 provided on the main body cover 2 no longer presses against the inclined surface 3522 of the cover portion 352, the slider portion 352 of the cover slider 35 moves upward in the direction parallel to the slide rail 3521 under the elastic restoring force of the bending elastic arm 351, the slider portion 352 covers the communication terminal 341, and at this time, the slider portion 352 returns to the cover position again.

In this manner, the slider portion 352 is movable between a covering position and a non-covering position, the slider portion 352 covering the slider 35 covers the communication terminal 341 when the developing device 3 is in a non-operating state where the image forming apparatus 100 is not loaded, and the slider portion 352 covering the slider 35 is in the non-covering position after the image forming apparatus 100 is loaded so that the communication terminal 341 is exposed and electrically contacts the probe 21 provided on the main body cover. This structure can protect the communication terminal 341 of the developing device 3 in the non-operating state, prevent the communication terminal 341 from being contaminated by external foreign matter, and is simple.

Example two

As shown in fig. 7 to 8, the developing device 203 of the second embodiment is substantially the same as the developing device 3 of the first embodiment except that only the slider portion of the developing device that covers the slider is different in structure, and in a state where the developing device 203 is mounted on the image forming apparatus, the inclined surface 203522 of the slider portion 20352 is directed downward, and when the main body door cover is closed, the inclined surface 203522 of the cover slider is pressed by the probe 2021 provided on the main body cover, the slider portion 20352 of the cover slider 2035 is moved upward in the direction of the slide rail, the cover slider 2035 is in the non-covering position, and the elastic force of the curved elastic arm 20351 is overcome during the sliding of the slider portion 20352, so that the curved elastic arm 20351 is stretched. After the main body door cover is opened, the inclined surface 203522 of the slider portion 20352 is no longer pressed by the probe 2021 provided on the main body cover, the slider portion 20352 of the cover slider 2035 moves downward in the direction of the slide rail by the elastic restoring force of the curved elastic arm 20351, the cover slider 2035 is in the cover position, and the communication terminal is covered.

The above embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited thereto. According to the shape, structure and principle of the utility model, there are many changes, for example, the bending elastic arm and the sliding block part can be arranged integrally or separately; and the like. Therefore, any changes and modifications made without departing from the spirit and scope of the present invention should be covered by the present invention.

Claims

1. A developing device detachably mountable to an image forming apparatus, the developing device including a housing, a transmission receiving unit, a power receiving unit, and a storage unit; the method is characterized in that:

the transmission receiving unit is disposed at one side of the housing for receiving a driving force from the image forming apparatus;

the power receiving unit is disposed at the other side of the housing for receiving electric power from the image forming apparatus;

the storage unit includes at least one communication terminal provided at a rear end of the housing in a mounting direction of the developing device, the communication terminal being electrically connected with a probe on the image forming apparatus when the developing device is mounted on the image forming apparatus;

the shell corresponding to the communication terminal is further provided with a covering sliding block, the covering sliding block comprises an elastic part and a sliding block part, the sliding block part can move between a covering position and a non-covering position relative to the shell, in the covering position, the communication terminal is covered by the sliding block part, and in the non-covering position, at least part of the communication terminal is exposed.

2. The developing device according to claim 1, characterized in that:

the slider portion includes a slide track and at least one ramp for receiving a force from the probe to move the slider portion relative to the housing from the covering position to the uncovering position.

3. The developing device according to claim 2, characterized in that:

in a state where the developing device is mounted to the image forming apparatus, at least a portion of the inclined surface faces upward or downward.

4. The developing device according to claim 3, characterized in that:

the elastic part is a bending elastic arm, one end of the bending elastic arm is connected with the shell, and the other end of the bending elastic arm is connected with the sliding block part.

5. The developing device according to claim 4, characterized in that:

the curved resilient arm further comprises a securing catch.

6. The developing device according to claim 5, characterized in that:

the shell is provided with a positioning part, the positioning part comprises a clamping groove and a sliding groove, the fixing buckle is sleeved on the clamping groove, and the sliding groove is matched with the sliding rail to enable the sliding block part to slide on the sliding groove.

7. The developing device according to any one of claims 4 to 6, characterized in that:

before the developing device is installed in the image forming apparatus, the slider portion is supported by the elastic arm to be located at the covering position; when the developing device is installed in the image forming apparatus, the slider portion is slid by the slope from the covering position to the uncovering position by the force of the probe, and the communication terminal is electrically contacted with the probe; the slider portion returns from the non-covering position to the covering position when the slider portion is not acted upon by the probe.

8. An image forming apparatus comprising a main body and a main body cover pivotally mounted on the main body for opening and closing the main body, at least one developing device being mounted in the main body with the main body cover open, the developing device being as claimed in any one of claims 1 to 7, the main body cover being disposed at a rear of the developing device with respect to a mounting direction of the developing device, and a probe corresponding to the communication terminal being provided on the main body cover.