CN2553996Y

CN2553996Y - Ink-jet head of printer II

Info

Publication number: CN2553996Y
Application number: CN 01278676
Authority: CN
Inventors: 吕培光
Original assignee: Meiji Electronic Co ltd
Current assignee: Meiji Electronic Co ltd
Priority date: 2001-12-20
Filing date: 2001-12-20
Publication date: 2003-06-04
Anticipated expiration: 2011-12-20

Abstract

The utility model relates to a printer inkjet head comprising an ink box body which is provided a complex number of surfaces to form a holding room inside and an ink output part on the surface, a porous ink storage part arranged in the holding room in the ink box body, a cap which is provided with an ink injection hole and an air hole and covers the holding room in the ink box body, a ventilation screw and a hollow ring part which are arranged in the air hole of the cap to form a ventilation channel and pull handle mechanism arranged at one side of the cap. The inkjet head of the inkjet printer supplies the needed ink to an ink conveying needle of the inkjet printer and prevents ink leakage during ink transmission, storage or operation.

Description

Ink-jet head of printer (two)

Technical field

The utility model relates to a kind of ink-jet head of printer, and particularly a kind of ink gun that the ventilation screw is arranged on lid can provide required ink to transmit syringe needle to the ink of ink-jet printer, and the unlikely problem that has ink to overflow when transporting, storing or operating.

Background technology

Known ink-jet printer has an ink gun that is filled with ink usually, and when this printing of inkjet printer file, this ink gun can be with ink feed to the ink-jet syringe needle of this ink-jet printer, by ink-jet syringe needle mimeograph documents on paper.As shown in Figure 1, this ink gun has an ink cartridges, and this ink cartridges has an ink cartridges main body 1a, or a plurality of ink cartridges main body wherein is equipped with a lid 2a on this ink cartridges main body 1a to deposit color inks.This lid 2a surface thereon has an ink inlet 20a and a pore 21a to introduce ambient atmos.This lid 2a also has thereon a closing membrane 22a, to seal this pore 21a.This ink cartridges main body 1a has an ink output 10a at its lower surface, and ink cartridges main body 1a has a room to hold the black porous part 3a of a storage.When this ink gun is installed, earlier this closing membrane 22a is torn, and this ink gun is installed in this ink-jet printer, at this moment, ink can be delivered to the ink transmission syringe needle of ink-jet printer by ink cartridges main body 1a via the fluid connection of ink output 10a.

In known ink gun, the upper surface of lid 2a has a tortuous passageway 23a (referring to Fig. 2), and this tortuous passageway 23a extends one section quite long length, and receives on the pore 21a, to introduce outside air.This ink cartridges must be introduced outside air to use as pressure balance.Yet this pore 21a can cause evaporation of ink, when especially printer seldom uses.Moreover when first the use, some user can forget the closing membrane 22a that removes on the lid 2a, transmits on the syringe needle and directly ink gun is placed in ink.

Therefore, the ink gun of known ink-jet printer has following defective:

1. owing to have the cause of tortuous passageway 23a, the surface structure complexity of lid 2a;

2. owing to have pore 21a on the lid 2a, the ink in the ink cartridges evaporates easily;

3. owing to lack the fool proof design, the user can forget the closing membrane 22a that removes on the lid 2a, transmits on the syringe needle and directly ink gun is placed in ink.

The utility model content

The purpose of this utility model is to provide the ink gun that the ventilation screw is arranged on a kind of lid, and this ventilation screw can be used as a vent passages, makes ink gun can effectively provide required ink to transmit syringe needle to the ink of ink-jet printer.

Another purpose of the present utility model is to provide a kind of ink gun of printer, and this ink gun has error-proof structure, to avoid the user when ink gun is installed, forgets the problem that tears the closing membrane on the lid off.

For achieving the above object, the utility model provides a kind of ink gun that is used for printer, comprises an ink cartridges main body, and it has a plurality of surfaces, defining a room in wherein, and has a lip-deep ink output therein; The black porous part of one storage places the room of this ink cartridges main body; One lid has an ink inlet and a pore, and covers on the room of ink cartridges main body; An one ventilation screw and a hollow ring portion are arranged in the pore of lid, to define a vent passages; And a pull handle mechanism is placed in one side of lid.

Description of drawings

Fig. 1 is the profile of known ink gun;

Fig. 2 is the top view of known ink gun;

Fig. 3 is the profile of ink gun of the present utility model;

Fig. 4 is the exploded view of ink gun of the present utility model;

Fig. 5 is the profile of ink gun of the present utility model, and wherein pull handle mechanism is removed;

Fig. 6 is the stereogram of ink gun of the present utility model;

Fig. 7 is the top view of ink gun of the present utility model.

The specific embodiment

To Fig. 7, the utility model provides a kind of ink-jet head of printer, mainly comprises with reference to figure 3: an ink cartridges main body 1 is taken in the black porous part 2 of a storage in wherein, and this stores up black porous part 2 is that the sponge material is to absorb ink; One lid 3 covers on ink cartridges main body 1; One ventilation screw 4 has a hollow ring portion 40, and a pull handle mechanism 5 is with as fool proof mechanism.

This ink cartridges main body 1 has a plurality of surfaces, defining a room 10 that is used for monochromatic ink, or is used for a plurality of accommodation spaces of color inks.Wherein this stores up black porous part 2 and places room 10, and this stores up black porous part 2 and with room 10 identical size and external form is arranged.This stores up black porous part 2 and has a plurality of apertures, and injects ink under low pressure, to avoid producing bubble.One basal surface of ink cartridges main body 1 has an ink output 11, and this ink output 11 can be with the ink transmission syringe needle 6 of ink feed to ink-jet printer.

Lid 3 has an ink inlet 30 and a pore 31, and respectively liquid and ambient atmos are guided in the room 10 of ink cartridges main body 1, this outer cover 3 has smooth upper surface, does not therefore have tortuous passageway to form in the above.

Ventilation screw 4 has a peripheral part, and hollow ring portion 40 forms on this peripheral part, moreover ventilation screw 4 also can be integrally formed with hollow ring portion 40.This ventilation screw 4 and hollow ring portion 40 are arranged in the pore 31 of lid 3, with as ventilating system.This ventilation screw 4 has a vertical passage 41, a helical duct 42 and is connected in interconnection 43 (with reference to figure 6, Fig. 7) between this vertical passage 41 and the helical duct 42.Therefore it is long apart from passage that the screw 4 that ventilates can constitute of being communicated with pore 31.Can arrive at room 10 via the inner surface of vertical passage 41, helical duct 42 and interconnection 43 and hollow ring portion 40 by structure outside air of the present utility model.Even therefore ink cartridges placements that reverse, for example in storage or when transporting, ink can not flow out.Moreover the upper surface of ventilation screw 4 has a closing membrane 44, and this closing membrane 44 is a film of aperture above the sealing vertical passage 41.Moreover this ventilation screw 4 can be placed in the negative area 20 of the black porous part 2 of storage, and this negative area 20 constitutes the space that separates ventilation screw 4 and store up black porous part 2, flows out to avoid the ink screw 4 that ventilates since then.

Pull handle mechanism 5 is placed in one side of lid 3, and has leader 50, one and rest on fulcrum 51 on the lid 3, and tip 52, and this closing membrane 44 is pierced through corresponding to the closing membrane 44 of apertures above the vertical passage 41 in this tip 52.In other words, via fulcrum 51 application of forces, this closing membrane 44 can be pierced through in this tip 52, makes air can flow in this ink cartridges.Moreover the distance between the fulcrum 51 and most advanced and sophisticated 52 is less than the distance between fulcrum 51 and the handle 50, to meet lever law.

When the ink gun of the ink-jet printer that the utility model provides is installed, remove pull handle mechanism 5 earlier, this closing membrane 44 can be pierced through in the tip 52 of pull handle mechanism 5 at this moment, this ink gun is placed in the ink-jet printer, the ink that ink can flow to ink-jet printer via the ink output 11 of ink cartridges main body 1 transmits syringe needle 6 again.

Generally speaking, the ink gun of the printer that the utility model provides can be supplied the ink transmission syringe needle 6 of ink to ink-jet printer smoothly, and is unlikely to have gas or bubble generation.The ink gun of this printer can provide required ink to transmit syringe needle 6 to the ink of ink-jet printer, and is unlikely to the problem that has ink to overflow when transporting, storing or operating.Helical duct 42 of the present utility model can replace the tortuous passageway in the known skill.Therefore lid 3 of the present utility model has smooth upper surface, and does not have tortuous passageway formation.Moreover, if forgetting, the user removes pull handle mechanism 5, then the ink gun of this ink-jet printer can not be installed in this ink-jet printer smoothly, so this pull handle mechanism 5 can be used as an anti-misoperation device.

In sum, the utility model is one to have novelty, creativeness and can supply the industry utilization in fact, meets the patent application important document of Patent Law defined, proposes utility application in accordance with the law, please ratifies this case patent right early.

The above only is preferred embodiment of the present utility model, is not to be used for limiting scope of the present utility model, and all equalizations of being done according to the utility model feature change and modify, and all should be included in the protection domain of the present utility model.

Claims

1. an ink gun that is used for printer is characterized in that: comprise;

One ink cartridges main body has a plurality of surfaces, defining a room in wherein, and has a lip-deep ink output therein;

The black porous part of one storage places the room of this ink cartridges main body;

One lid has an ink inlet and a pore, and covers on the room of ink cartridges main body;

An one ventilation screw and a hollow ring position are in the pore of lid, to define a vent passages;

One pull handle mechanism is placed in one side of lid.

2. the ink gun that is used for printer according to claim 1 is characterized in that: this stores up black porous part has identical size and profile with the room of ink cartridges main body.

3. the ink gun that is used for printer according to claim 1 is characterized in that: this ventilation screw has a vertical passage, a helical duct and is connected in interconnection between this vertical passage and the helical duct.

4. the ink gun that is used for printer according to claim 1 is characterized in that: this ventilation screw and hollow ring portion are one-body molded.

5. the ink gun that is used for printer according to claim 1 is characterized in that: this ventilation screw and hollow ring portion are made with elasticity and airtight material.

6. the ink gun that is used for printer according to claim 1 is characterized in that: this pull handle mechanism has leader, one and rests on fulcrum on the lid, and tip, and this tip is corresponding to the closing membrane above the ventilation screw.