CN2377087Y

CN2377087Y - Inking device

Info

Publication number: CN2377087Y
Application number: CN 98204372
Authority: CN
Inventors: 萧庆国; 胡晓东
Original assignee: Unicorn Image Products Co Ltd
Current assignee: Print Rite Unicorn Image Products Co Ltd
Priority date: 1997-05-12
Filing date: 1998-05-11
Publication date: 2000-05-10
Anticipated expiration: 2008-05-11

Abstract

The utility model relates to an inking device which is used for inking an ink box which is provided with a vent hole. The utility model comprises a base component, wherein, the base component is used for containing and holding the ink box to be arranged on the position of the ink box. The utility model also comprises an ink supplying device, wherein, ink which is used for being inked for the ink box is filled in the ink supplying device; the ink supplying device comprises a nozzle, a piston, and a sleeve barrel device for conveniently conveying the ink through the nozzle. The base component also comprises a connector, a first end of the connector is connected with the nozzle, and a second end of the connector is connected with the vent hole through being pressed on and appressed with the surface of the ink box around the vent hole. Therefore, the ink can flow from the ink supplying device into the ink box.

Description

Ink-filling device

The utility model is a kind of to be the ink-filling device of the infusing ink in ink box of computer printer.

Ink-cases of printers is relative more expensive consumption annex, and the replacing print cartridge also is disadvantageous to environment.Existing some refilling instrument on market, but they can only be used for the print cartridge of certain type, especially for the sort of print cartridge with a through hole.Printer manufacturer has been omitted this through hole to the redesign of its print cartridge, has so just limited the use of existing refilling instrument.

The utility model adopts a kind of improved ink-filling device to solve this problem.

The utility model, a kind of ink-filling device is provided, be used for the ink-cases of printers with a passage is carried out refilling, this device comprises that one remains on its locational base member and an ink feeder with said print cartridge, the China ink of annotating to print cartridge is housed in this ink feeder, wherein ink feeder comprises an outlet and dispensing device, be used for sending China ink by this outlet, and this base member comprises a connector, first end of this connector is connected with outlet, its second end is by being pressed against on the print cartridge surface around the passage, and is connected with this passage, thereby China ink can be flow to the print cartridge from ink feeder.

Way is preferably, provides a sealing device at this second end place that is pressed against the connector of passage circumferential surface.

Better way is that making the sealing device is annular, and makes the edge of second end of its end covering connector.

In a preferred embodiment, base member is by a matrix and the hollow body that top cover forms, and in the said top cover connector is housed, and second end that will make this connector of closing of this top cover is connected with this passage like this.

Better way is, has formed a groove on this top cover, is used for holding that part that comprises outlet of ink feeder, thereby makes this ink feeder location, and said connector is in the bottom of this groove.

Preferably allow the outlet of ink feeder become a form of nozzle, so as interference fit enter first end of connector, thereby be connected with it.

In a preferred structure, ink feeder is a cylinder that China ink is housed, and its outlet is at the one end, and dispensing device comprises a piston and the piston rod that this piston is slided along this cylinder in this cylinder.

Way is a tapping on this piston rod preferably, so that by rotation piston is slided.

Better way is to make dispensing device comprise a support unit, and this support unit has a screwed hole, and piston rod slides piston by cooperating with this screwed hole to rotate.

Better way is by a pinned coupler this support unit to be connected dividually with the opposite end of matrix.

In a preferred embodiment, this piston rod is suitable for can combining dividually with the rear side of piston, so that it is pushed ahead, provides a spring in the front side of piston, is used for when piston rod is drawn back piston being returned.

Advantageously, between cylinder China and Mexico end and piston, a layer of air is arranged as buffering.

Now will be only in the mode of example, the present invention will be described in more detail with reference to the accompanying drawings, wherein:

Fig. 1 is the back perspective view of the base member among the embodiment of ink-filling device of the present utility model;

Fig. 2 is the left side cross sectional view of base member shown in Figure 1;

Fig. 3 is the right side perspective view of base member under the state of opening shown in Figure 1;

Fig. 4 is the left side perspective view according to Fig. 3, has shown to be placed on an inner print cartridge;

Fig. 5 is a left side cross sectional view, has shown the situation of all having sealed print cartridge when base member shown in Figure 4 is closed, and shown the use of ink feeder that this ink feeder has formed another part of this ink-filling device at the top of base member; With

Fig. 6 is one and the similar left side of Fig. 5 cross sectional view, has shown the operating position of a different ink feeder.

Fig. 1 at first with reference to the accompanying drawings is to Fig. 5, the ink-filling device 100 that wherein shows the utility model embodiment, this device carries out refilling with the print cartridge 400 of 10 pairs of computer printers of China ink, device 100 comprises a base member 200, has wherein comprised the print cartridge 400 and the ink feeder 300 that use in base member 200.Base member 200 has a plastics body, and this body is formed by pedestal 202 and a top cover 204, and this top cover 204 is linked to each other with pedestal 202 by the hinge 206 at rear side.The latch 208 of front side is used for pinning the top cover 204 of closing.This top cover 204 has a columnar inverted draw cut 210, so that the ink feeder 300 in using is positioned.Wall inboard at pedestal 202 and top cover 204 has formed lug 203, so that make print cartridge 400 location.As shown in the figure, in top cover 204, a sponge 212 is housed near groove 210 places.

Groove 210 has a center bottom outlet, and extend up and down the marginal portion in this hole, thereby forms a complete tubular connector 214.The top of this connector 214 is 216, and the bottom is 218, has been equipped with a tubular rubber seal 220 on the said bottom 218.Enter into to upper end 222 interference fits of sealing part 220 connector bottom 218, the lower end 224 of seal is radially enlarging, thereby has covered the edge of connector bottom 218.

Ink feeder 300 has the plastic casing 310 of a right cylindrical, and China ink 10 and top air layer 12 are arranged in this shell.In addition it also comprise one can piston 320 and one be used for promoting the piston rod 330 that this piston 320 moves downward in axial sliding along housing 310.There is the opposed side flange 312 of a pair of on the top of housing 310, and the bottom of housing 310 forms tubular nozzle 314, so that send China ink 10.A flow control pin 316 is housed, so that the flow of control China ink in this nozzle 314.A conical wind spring 318 is placed in the bottom of housing 310, and its position is near nozzle 314, so that when piston rod 330 is drawn back piston 320 is returned voluntarily.The upside of piston 320 has a central recess 322.

The cylinder 332 that it is X-shaped that piston rod 330 has a vertical section has been attacked screw thread on this cylinder 332, so that carry out threaded engagement with cover plate 334 with holes, this cover plate 334 with holes is connected with the top of housing 310.Cover plate 334 has the opposed side hook 336 of a pair of, and this offside hook connects by side flange corresponding on pinned coupler and the housing 310 312.Cover plate 334 also comprises a screwed hole of centre 338, and cylinder 332 cooperates with this screwed hole of centre 338, measures screw thread as one and little by little enters housing 310.The upper end 340 of cylinder 332 is a T shape, so that artificial the rotation, its lower end 342 is in housing 310, so that can engage dividually or lean on piston 320 by groove 322.

A printhead 402 is arranged in the bottom side of print cartridge 400, also have a passage 404, this hole can allow air enter when China ink runs out.In order to prevent ink leak, this passage 404 has tortuous or mazy path and a non-return valve.The ink-filling device of being discussed 100 is designed to carry out refilling by 404 pairs of print cartridges of passage 400.

In order to prepare for refilling, print cartridge 400 is placed on upside down in the pedestal 202 of base member 200, then top cover 204 is closed and pinned, so that fully seal print cartridge 400 and maintain the position of print cartridge 400.Rotate top cover 204 seal 220 at 218 places, lower end of connector 214 is pressed against on passage 404 surface on every side of print cartridge 400, thereby connector 214 and passage 404 are combined, make its connection.Simultaneously, sponge 212 leans against on the printhead 402.Then, ink feeder 300 is placed on the base member 200, its method is that the bottom with the housing 310 of ink feeder is inserted in the groove of base member 210.Like this, enter and be attached in the upper end 216 of connector 214 to nozzle 314 interference fits of ink feeder 300, make its connection.Also can adopt another rubber seal at 216 places, upper end of connector, in case stopping leak reveals as a sealing ring.In addition, also can do nozzle 314 very long, make on its upper end that leans against seal 220 222.

Ink-filling device 100 is set now.The artificially clockwise rotates ink feeder piston rod 330, promote piston 320 and little by little move downward, thereby extruded ink 10 flows out from nozzle 314, then through connector 214, enters into print cartridge by passage 404.Air layer 12 on China ink 10 plays cushion, makes level and smooth by piston 320 applied pressures.When piston 320 reached the bottom of housing 310, print cartridge 400 was filled with China ink.Excessive China ink will leak and absorbed by sponge 212 by printhead.

Piston rod 330 should be left standstill about 30 seconds, till the pressure stability of China ink.Loose then screw thread makes piston 320 be promoted to return voluntarily by wind spring 318.The print cartridge 400 that has contains a spring-loaded air bag, this air bag occupy China ink use up the back last space, for this print cartridge 400, after refilling, generally need some air be imported in the air bag through a passage by a ball, thereby air bag is expanded slightly, and with equalizing pressure, this is well-known in known technology.

Last Fig. 6 with reference to the accompanying drawings the figure illustrates the operating position of a different slightly ink feeder 300A, and wherein identical part is represented by identical reference numbers generation suffix ＂ A ＂.This ink feeder 300A has identical housing 310A, and adopts identical piston 320A, but does not have tapping on the piston rod 330A, and does not operate with the action of twisting screw thread.This piston rod 330A can be along the axis rectilinear motion of housing 310, and its situation is as ordinary syringe.

Claims

1. ink-filling device, be used for the ink-cases of printers with a passage is carried out refilling, this device comprises that one remains on its locational base member and an ink feeder with said print cartridge, the China ink of annotating to print cartridge is housed in this ink feeder, wherein ink feeder comprises an outlet and dispensing device, so that send China ink by this outlet, and this base member comprises a connector, first end of this connector is connected with outlet, its second end is by being pressed against on the passage print cartridge surface on every side, and be connected, thereby China ink can be flow to the print cartridge from ink feeder with this passage.

2. according to the ink-filling device of claim 1, it is characterized in that: provide a sealing device at this second end place that is pressed against the connector on the passage circumferential surface.

3. according to the ink-filling device of claim 2, it is characterized in that: the sealing device is the edge that annular and its end have covered second end of connector.

4. according to the ink-filling device of claim 1, it is characterized in that: base member is by a matrix and the hollow body that top cover forms, and in the said top cover connector is housed, and second end that will make this connector of closing of this top cover is connected with this passage like this.

5. according to the ink-filling device of claim 4, it is characterized in that: formed a groove on this top cover, be used for holding that part that comprises outlet of ink feeder, thereby made this ink feeder location, said connector is in the bottom of this groove.

6. according to the ink-filling device of claim 1, it is characterized in that: make the outlet of ink feeder become a form of nozzle so that interference fit enter first end of connector, thereby be connected with it.

7. according to the ink-filling device of claim 1, it is characterized in that: ink feeder is a cylinder that China ink is housed, and its outlet is at the one end, and dispensing device comprises a piston and the piston rod that this piston is slided along this cylinder in this cylinder.

8. according to the ink-filling device of claim 7, it is characterized in that: attacked screw thread on this piston rod, so that piston is slided by rotation.

9. ink-filling device according to Claim 8, it is characterized in that: dispensing device comprises a support unit, and this support unit has a screwed hole, and piston rod slides piston by cooperating with this screwed hole to rotate.

10. according to the ink-filling device of claim 9, it is characterized in that: this support unit can be connected dividually with the opposite end of matrix by a pinned coupler.

11. the ink-filling device according to claim 7 is characterized in that: piston rod is suitable for can combining dividually with the rear side of piston, so that it is pushed ahead, provides a spring in the front side of piston, is used for when piston rod is drawn back piston being returned.

12. the ink-filling device according to claim 7 is characterized in that: a layer of air is arranged in the cylinder between China ink end and piston as buffering.