CN2849776Y

CN2849776Y - Carbon dust box

Info

Publication number: CN2849776Y
Application number: CN 200520064781
Authority: CN
Inventors: 林龙; 李连富
Original assignee: Print Rite Unicorn Image Products Co Ltd
Current assignee: Print Rite Unicorn Image Products Co Ltd
Priority date: 2005-09-16
Filing date: 2005-09-16
Publication date: 2006-12-20
Anticipated expiration: 2015-09-16

Abstract

The utility model relates to a carbon dust box which comprises a carbon dust box body, a carbon dust outlet and a protecting cover, wherein the carbon dust box body is provided with the first end and the second end, the carbon dust outlet is positioned between the first end and the second end, and the protecting cover is rotatable to be arranged on the carbon dust box body and is used for opening and closing the carbon dust outlet, wherein the surface of the carbon dust box body is provided with a positioning protruding part which is matched with a groove and can lead the carbon dust box to be positioned in a developing device. The utility model has the advantage of simple structure, and the utility model has the advantage that the carbon dust is not easy to leak, etc.

Description

Cartridge

Technical field

The utility model relates to a kind of laser printer developing device cartridge, especially has the cartridge of accurate location structure.

Background technology

In a kind of laser printer developing device, cartridge is installed on the laser printer developing device removably, carbon dust is fed in the developing chamber of developing apparatus by the meal outlet of cartridge, be delivered on the photosensitive drums of printer by the developer roll in the developing chamber then and develop, and then finish imaging work on medium.Wherein, the developing chamber of developing apparatus has the mouth that is pollinated, mouthful outer mouthful protecting cover of rotation that can be pollinated relatively that has that is pollinated, the opening and closing that the rotation by protecting cover can realize being pollinated mouthful.

A kind of cartridge that is applicable to above-mentioned laser printer developing device of US5630198 U.S. Patent Publication, it comprises a carbon dust box body with first end and second end; One meal outlet between first end and second end; One is installed in rotation on the box body, can open and close the guard shield of meal outlet when box body rotates; Each end place at the contiguous guard shield of box body two ends is equipped with a pair of projection.During use, the user packs cartridge in the developing apparatus, and the box body that the user promotes cartridge rotates, and the protecting cover that drives in the developing apparatuss by two pairs of projections that distribute on the box body rotates, thereby opens the mouth that is pollinated of developing apparatus.The relative developing apparatus of guard shield is static in the said process, promptly also rotates relative to box body, therefore, can open the meal outlet of cartridge simultaneously.Thus, the carbon dust in the cartridge enters into the developing chamber of developing apparatus by the mouth that is pollinated of meal outlet and developing apparatus.

Above-mentioned cartridge need rotate box body when work, not only be difficult to guarantee mouthful aligned in position of being pollinated of the meal outlet and the developing apparatus of postrotational cartridge, and take place easily box body rotation not in place or rotate excessive, cause developing apparatus be pollinated mouthful and the meal outlet of cartridge can not be opened or thoroughly close fully.Therefore, can not guarantee the smooth and easy supply of developer, and cause carbon dust to reveal the surrounding environment of making dirty easily.Though can adopt solutions such as strengthening mouthful size of being pollinated, but be unfavorable for the miniaturization of device.

Summary of the invention

Fundamental purpose of the present utility model provides a kind of accurate cartridge of location when being convenient to install;

Another purpose of the present utility model provides a kind of guard shield can cartridge accurately in place under the opening/closing operating mode.

For achieving the above object, the cartridge that provides of the utility model comprises that one has the carbon dust box body of first end and second end; One meal outlet between first end and second end; One rotating being installed on the carbon dust box body is to open and close the guard shield of meal outlet; Wherein, the cartridge surface is provided with a location projection, and a groove fit of itself and developing apparatus can make cartridge locate in developing apparatus.

Can be provided with at least one pair of on the guard shield of this cartridge and connect projection, it cooperates with the developing apparatus mouthful protecting cover of locating that is pollinated, can be in guard shield opening/closing meal outlet, and the mouth that is pollinated of opening/closing developing apparatus.

Box body one end of this cartridge can also be provided with restriction protrusion, when guard shield when the carbon dust box body rotates, it can slide in guard shield stopper slot correspondingly.Wherein, stopper slot is circular arc, this arc right central angle required anglec of rotation when equaling the complete opening/closing meal outlet of guard shield.

Can also establish one on the circumferential surface of the guard shield of this cartridge and be used for the anti-rotation projection that prevents that guard shield from rotating in advance in the cartridge installation process.

By above scheme as can be seen, according to cartridge of the present utility model, that can realize not only that its meal outlet and developing apparatus be pollinated mouthful accurately aliging, and can accurately control the be pollinated opening/closing of mouth of cartridge meal outlet and developing apparatus.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment;

Fig. 2 is the structural representation of the utility model embodiment under the meal outlet open mode;

Fig. 3 is the structural representation of the utility model embodiment under the meal outlet closed condition;

Fig. 4 is the assembling synoptic diagram of the utility model embodiment;

Fig. 5 is to use the structural representation of the developing apparatus of cartridge among the utility model embodiment.

Embodiment:

The utility model is described in further detail below in conjunction with drawings and the specific embodiments.

Referring to Fig. 5, at first introduce a kind of known developing apparatus 6 that uses the utility model cartridge.Developing apparatus 6 comprises two parts up and down, but for clarity sake, Fig. 5 only illustrates the bottom.Developing apparatus 6 comprises a developing frame 27, one seals the protecting cover 614 of the mouth 612 that is pollinated, the flange 615 of band groove, the auxiliary prominent muscle 616 and 650 of arc, separate latching projection 600, be connected connecting hole 630, a planar bottom surface 643 and the gear supported hole 610 etc. of usefulness with upper frame.The two ends 614e of protecting cover 614 is supported by flange 615, and can move along flange 615 defined arc tracks, wherein when Fig. 5 arrow A direction moves, can open and be pollinated mouthfuls 612, when the arrow B direction moves, can close and be pollinated mouthfuls 612.

Referring to Fig. 1 to Fig. 4, cartridge 1 is made up of the guard shield 3 that is used to hold the box body 2 of carbon dust and be installed in rotation on the box body 2.

Box body 2 is tubular basically, can adopt the PP plastics blow molding to make.Between box body 2 first ends 4 and second end 5, be provided with the meal outlet 7 that is used to discharge carbon dust.For the box body 2 of avoiding meal outlet 7 places deforms, can in the middle of meal outlet 7, add spacer ribs 7a.

One location projection 8 is arranged on the circumferential surface of box body 2, and itself and box body 2 integrally blows are made.When cartridge 1 was mounted to developing apparatus 6, locator protrusions 8 placed developing apparatus groove (not shown) between two parts about in the of 6, and box body 2 is determined with respect to the position of developing apparatus 6.After the position of locator protrusions 8 was provided with and should guarantees that cartridge 1 is installed in the developing apparatus 6, the meal outlet 7 of box body 2 accurately alignd with the mouth 612 that is pollinated of developing apparatus 6.

The guard shield 3 rotatable outsides that are enclosed within box body 2, it has an openend 9 and a blind end 10.Position corresponding to the meal outlet 7 of box body 2 has window portion 11 on the surface of guard shield 3, when guard shield 3 during around box body 2 rotations, can selectively open or close meal outlet 7 by window portion 11.

On the circumferential surface of guard shield 3, be provided with paired connection projection 12.In the present embodiment, connecting projection 12 is two pairs, its position is provided with like this, that is: when cartridge 1 is not mounted to developing apparatus, two pairs connect the two ends that projection 12 faces toward the meal outlet 7 of box body 2 respectively, and every pair connects relative two parts 12a of projection 12, the both sides that 12b just in time is respectively in meal outlet 7; When cartridge 1 was inserted into developing

apparatus

6,12a, 12b can closely be connected respectively with two side 614a, 614b of protecting cover 614.Thus, in the time of the meal outlet of rotating shroud 3 opening/closing cartridges 1, connect projection 12 and can drive protecting cover 614 and move, thereby opening/closing is pollinated mouthfuls 612.

Blind end 9 sides at guard shield 3 are provided with stopper slot 13, and stopper slot 13 is curved substantially, and an arc length is arranged along guard shield 3 along circumferential surface, this arc right central angle required anglec of rotation when being equivalent to the complete opening/closing meal outlet 7 of guard shield 3.Be provided with limited block 14 near the end 5 of box body 2, it is stuck in the stopper slot 13 slidably.Take this, guard shield 3 is restricted because of limited block 14 and cooperating of stopper slot 13 with respect to the rotation of box body 2, avoided being pollinated mouthfuls 612 o'clock at opening/closing meal outlet 7 and developing apparatus, guard shield 3 rotations not in place or rotate excessive.

Openend 9 at guard shield 3 has an extension 15, wherein has groove 16.When cartridge 1 was not mounted to developing apparatus 6, itself and the surface that is positioned at box body 2 with box body 2 integrated locking projection 17 lock fit, can prevent guard shield 3 rotations.When cartridge 1 when direction shown in Fig. 5 arrow I is inserted developing apparatus 6, extension 15 is connected with the latching projection 600 of separating of developing apparatus 6, make extension 15 to direction bending away from box body 2, thereby open the lock fit of locking projection 17 and groove 16, guard shield 3 can be rotated with respect to box body 2.But sometimes, because of the extension distortion waits other reason, before cartridge 1 was not in place, locking projection 17 was promptly opened with the lock fit of groove 16, but do not wish that guard shield 3 rotates with respect to box body 2, can establish an anti-rotation projection 21 for this reason this moment on the surface of guard shield 3.Cooperate by the prominent muscle (not shown) of one on anti-rotation projection 21 and the developing apparatus 6, can prevent cartridge 1 in installation process, guard shield 3 rotates in advance.

Be respectively equipped with the

prominent muscle

18,19 of C shape on the surface of guard shield 3 and box body 2, the openend of the

prominent muscle

18,19 of C shape cooperates with the auxiliary prominent muscle 650 and 616 of arc in the developing apparatus 6 respectively, can determine the installation site of cartridge 1, guarantee that cartridge 1 inserts developing apparatus with suitable orientation along Fig. 5 arrow I direction.

Sometimes, operating personnel can forget rotating shroud 3 with the meal outlet of opening cartridge 1 and developing apparatus 6 be pollinated mouthfuls 612, and directly developing apparatus 6 is installed on the printer, this moment, printer can't operate as normal because of being unable to supply carbon dust.For this reason, can establish a prominent muscle 20 in blind end 9 sides of guard shield 3, it extends axially the circumferential surface upper edge of guard shield 3 guard shield 3.Guard shield 3 being pollinated mouthfuls 612 o'clock of the meal outlet of Unscrew cartridge 1 and developing apparatus 6 not,, developing apparatus 6 can't be mounted on the printer because of the muscle 20 of dashing forward is printed a stop limits of machine.

Variation based on the utility model design is not limited in the foregoing description; also multiple variation can be arranged; structure in the foregoing description can also be accepted or rejected targetedly, the embodiment that combination makes new advances, these simple structural changes still belong to the protection domain of the utility model requirement.

Claims

1, cartridge comprises

One has the carbon dust box body of first end and second end;

One meal outlet between described first end and second end;

One rotating being installed on the described carbon dust box body is to open and close the guard shield of described meal outlet;

It is characterized in that:

Described cartridge surface is provided with a location projection, and a groove fit of itself and developing apparatus is located described cartridge in developing apparatus.

2, cartridge according to claim 1 is characterized in that:

Described guard shield is provided with at least one pair of and connects projection, and it cooperates with mouthful protecting cover of locating that is pollinated on the developing apparatus, can be in the described meal outlet of described guard shield opening/closing, and the mouth that is pollinated of opening/closing developing apparatus.

3, cartridge according to claim 1 and 2 is characterized in that:

One end of described carbon dust box body is provided with restriction protrusion, when described guard shield when described carbon dust box body rotates, restriction protrusion is slided in described guard shield stopper slot correspondingly.

4, cartridge according to claim 3 is characterized in that:

Described stopper slot is circular arc, this arc right central angle required anglec of rotation when equaling the described meal outlet of the complete opening/closing of described guard shield.

5, cartridge according to claim 1 and 2 is characterized in that:

The circumferential surface of described guard shield is provided with one and is used for the anti-rotation projection that prevents that described guard shield from rotating in advance in described cartridge installation process.

6, cartridge according to claim 1 and 2 is characterized in that:

One end of described guard shield is provided with spacing prominent muscle.