CN201604361U

CN201604361U - Ink cartridge air guide valve and ink cartridge

Info

Publication number: CN201604361U
Application number: CN2010203015063U
Authority: CN
Inventors: 冯海洪; 温建浓; 吴泽; 陈达飞
Original assignee: Print Rite Technology Development Co Ltd of Zhuhai
Current assignee: Print Rite Technology Development Co Ltd of Zhuhai
Priority date: 2010-01-26
Filing date: 2010-01-26
Publication date: 2010-10-13
Anticipated expiration: 2020-01-26

Abstract

The utility model provides an ink cartridge air guide valve and an ink cartridge with the same. The air guide valve is disposed on a body of the ink cartridge, the body includes an ink cavity and an ink supply opening for outputting ink in the ink cavity to outside, the air guide valve includes a spool and a valve seat, the valve seat is provided with a valve cavity containing the spool, and a communication hole leading the valve cavity to be communicated with the ink cavity, the spool is disposed inside the valve cavity in a rotating manner relative to the valve seat, the spool is provided with an air guide passage capable of selectively leading the communication hole to be communicated or disconnected with external atmosphere when the spool rotates, and the air guide passage is provided with a guide inlet and a guide outlet. The ink cartridge with the air guide valve is convenient in use and high in universality, can prevent ink leakage during delivery of the ink cartridge, and easily realizes evacuation of the ink cartridge and secondary ink filling.

Description

Print cartridge air guide valve and print cartridge

Technical field

The utility model relates to a kind of air guide valve that is applied on the print cartridge, relates to a kind of print cartridge with this air guide valve in addition.

Background technology

Print cartridge product on the market generally all has gas-guiding structure, common gas-guiding structure has comprised the air slot that is formed on the print cartridge top cover, untapped new print cartridge completely cuts off the ink-containing chamber of print cartridge inside and ambient atmosphere by the mode of welding air guide film on air slot, in case the leak-stopping China ink, make ink supply smooth and the air guide film need be torn when using.There is following shortcoming in this kind gas-guiding structure: the film welding performance that 1) is welded on the air guide film on the air slot can change with environment (as factors such as temperature), and very capacity causes ink to spill from air slot because of sealing is bad.2) this gas-guiding structure can only disposablely use, just can't seal once more after tearing the air guide film, the user is in carrying printer process, print cartridge is easy to generate ink leak, and carry out the print cartridge of secondary filling ink for some modes that need adopt negative pressure to irritate China ink, need use special tool(s) and could realize the secondary filling.

The utility model content

First purpose of the present utility model provides a kind of print cartridge air guide valve easy to use.

Second purpose of the present utility model provides a kind of print cartridge with this print cartridge air guide valve.

For realizing above-mentioned first purpose, the utility model provides a kind of air guide valve of print cartridge, comprises spool and valve seat, the connected entrance that this valve seat has the valve pocket that holds described spool and the interior ink-containing chamber gas phase of this valve pocket and print cartridge is communicated with; Described spool can be arranged in the described valve pocket rotationally with respect to described valve seat, and this spool has the air guide channel that selectively makes described connected entrance be connected or disconnect with outside atmosphere when it rotates, and this air guide channel has introducing port and export mouth.

Preferably, be provided with the sealing ring that selectively seals described connected entrance between the lateral surface of described spool and the medial surface of described valve seat, the sealing circle is fixed on the described spool, and the sealing circle has a through hole in the position corresponding to described export mouth.

Preferably, the top of described spool is provided with the spacing cover of its axial limiting in valve seat, and the end face of this spool exposes outside spacing cover, and this end face is provided with the handle that is used for rotational valve core, and described introducing port is positioned on this end face.

Preferably, described end face be provided with one with synchronous first indicateing arm of described export mouth, the end face of described spacing cover be provided with one with synchronous second indicateing arm of described connected entrance.

Preferably, described spool is and has the cylindrical of two flanges, and described sealing ring is fixed between two flanges, and described valve pocket is cylindrical; Described air guide channel has comprised that an axial passage that connects described introducing port is connected the radial passage of described export mouth with one, and described axial passage and radial passage are interconnected.

For realizing above-mentioned second purpose, the utility model provides a kind of print cartridge, comprise box body and the air guide valve that is arranged on the box body, the ink supply port that this box body has ink-containing chamber and the ink in the ink-containing chamber is outwards exported, this air guide valve comprises spool and valve seat, the connected entrance that this valve seat has the valve pocket that holds described spool and this valve pocket is communicated with described ink-containing chamber gas phase; Described spool can be arranged in the described valve pocket rotationally with respect to described valve seat, and this spool has the air guide channel that selectively makes described connected entrance be connected or disconnect with outside atmosphere when it rotates, and this air guide channel has introducing port and export mouth.

The utlity model has following advantage and beneficial effect:

1, easy to use, can control the air guide of print cartridge by regulating spool;

2, highly versatile can be used on the built-in print cartridge of all kinds and model, wide capable class print cartridge and the company's ink supply box;

3, use the print cartridge of this air guide valve, behind valve-off, can prevent that print cartridge from ink leak taking place in transportation;

4, use the print cartridge of this air guide valve, behind valve-off, can easily realize taking out negative pressure and carrying out the secondary filling ink of print cartridge.

Description of drawings

Be described in further detail below in conjunction with accompanying drawing and embodiment of the present utility model:

Fig. 1 is the structural representation of a kind of embodiment of the utility model print cartridge.

Fig. 2 is the parts explosion of print cartridge shown in Figure 1.

Fig. 3 is the parts explosion of the air guide valve in the middle of Fig. 2, and wherein spool and valve seat adopt and dissect the effect demonstration.

Fig. 4 is the enlarged drawing of the spool in the middle of Fig. 2.

Fig. 5 is the enlarged drawing of the sealing ring in the middle of Fig. 2.

Fig. 6 is the central spool of Fig. 2 and the assembling schematic diagram of sealing ring.

Fig. 7 is the enlarged drawing of the spacing cover in the middle of Fig. 2.

To be print cartridge shown in Figure 1 be in vertical view under the conducting state at its air guide valve to Fig. 8.

Fig. 9 is the partial sectional view of print cartridge shown in Figure 8.

Figure 10 is the partial enlarged drawing of Fig. 9.

To be print cartridge shown in Figure 1 be in vertical view under the cut-off state at its air guide valve to Figure 11.

Figure 12 is the partial sectional view of print cartridge shown in Figure 11.

Figure 13 is the partial enlarged drawing of Figure 12.

The specific embodiment

The utility model embodiment as depicted in figs. 1 and 2, box body 1 inside of this print cartridge has ink-containing chamber 11, the bottom of box body 1 is provided with the ink supply port 12 of the ink in the ink-containing chamber 11 to the printhead ink supply of ink-jet printer, the top of box body 1 is provided with top cover 13, and this top cover 13 is provided with air guide valve 2.

Referring to Fig. 3 to Fig. 7, this air guide valve 2 has comprised spool 3 and valve seat 4, is provided with the sealing ring 5 that is fixed on the spool 3 between the medial surface of the lateral surface of spool 3 and valve seat 4.This valve seat 4 is one-body molded with top cover 13, has the cylindrical valve pocket 41 that holds spool 3 in this valve seat 4, and this valve pocket 41 is communicated with ink-containing chamber 11 gas phases by a connected entrance 42.Described spool 3 can be arranged in the valve pocket 41 rotationally with respect to valve seat 4, and this spool 3 is and has the cylindrical of two

flanges

31,32, and described sealing ring 5 is fixed between two flanges 31,32.Have air guide channel 33 on the spool 3, this air guide channel 33 is made of an axial passage 331 and a radial passage 332, and axial passage 331 is interconnected with radial passage 332.The outer end of axial passage 331 has an introducing port 333, and the outer end of radial passage 332 has an export mouth 334.Described sealing ring 5 has a through hole 51 in the position corresponding to export mouth 334.

The top of described spool 3 is provided with the spacing cover 6 of its axial limiting in valve seat 4, and the end face 34 of this spool 3 exposes outside spacing cover 6, and the end face 34 of spool 3 is provided with the handle 35 that is used for rotational valve core 3, and described introducing port 333 is positioned on this end face 34.In addition, also be provided with one and export mouth 334 synchronous first indicateing arms 36 on the end face 34 of spool 3.The end face of spacing cover 6 is provided with connected entrance 42 synchronous second indicateing arms 61 with valve seat 4, is denoted as " ON ", represents conducting state; Three indicateing arm 62 vertical with the phase place of connected entrance 42 also can be set in addition, be denoted as " OFF ", represent cut-off state.

The operation principle of above-mentioned print cartridge is as follows: utilize handle 35 that spool 3 rotations are adjusted to position shown in Figure 8, make first indicateing arm 36 on spool 3 end faces relative with second indicateing arm 61 that is denoted as " ON " on spacing cover 6 end faces, at this moment, as Fig. 9 and shown in Figure 10, the export mouth of air guide channel 33 aligns with connected entrance 42 on the valve seat 4 by the through hole on the sealing ring 5 51, thereby air guide channel 33 is communicated with connected entrance 42, this moment, ambient atmosphere can enter into the ink-containing chamber 11 of print cartridge inside, made Ink Cartridge inner pressure identical with external atmosphere pressure.Utilize handle 35 that spool 3 rotations are adjusted to position shown in Figure 11, make first indicateing arm 36 on spool 3 end faces depart from the 3rd indicateing arm 62 that second indicateing arm 61 on spacing cover 6 end faces and directional beacon are shown " OFF ", at this moment, as Figure 12 and shown in Figure 13, the export mouth 334 of air guide channel 33 has also departed from the connected entrance 42 on the valve seat 4, and simultaneously, sealing ring 5 is with these connected entrance 42 sealings, thereby cut off being connected between air guide channel 33 and the connected entrance 42, made ink-containing chamber 11 and ambient atmosphere isolated.

Claims

1. print cartridge air guide valve comprises spool and valve seat, the connected entrance that this valve seat has the valve pocket that holds described spool and the interior ink-containing chamber gas phase of this valve pocket and print cartridge is communicated with;

It is characterized in that:

Described spool can be arranged in the described valve pocket rotationally with respect to described valve seat, and this spool has the air guide channel that selectively makes described connected entrance be connected or disconnect with outside atmosphere when it rotates, and this air guide channel has introducing port and export mouth.

2. print cartridge air guide valve according to claim 1, it is characterized in that: be provided with the sealing ring that selectively seals described connected entrance between the lateral surface of described spool and the medial surface of described valve seat, the sealing circle is fixed on the described spool, and the sealing circle has a through hole in the position corresponding to described export mouth.

3. print cartridge air guide valve according to claim 2, it is characterized in that: the top of described spool is provided with the spacing cover of its axial limiting in valve seat, the end face of this spool exposes outside spacing cover, and this end face is provided with the handle that is used for rotational valve core, and described introducing port is positioned on this end face.

4. print cartridge air guide valve according to claim 3 is characterized in that: described end face be provided with one with synchronous first indicateing arm of described export mouth, the end face of described spacing cover be provided with one with synchronous second indicateing arm of described connected entrance.

5. print cartridge air guide valve according to claim 4 is characterized in that: described spool is and has the cylindrical of two flanges, and described sealing ring is fixed between two flanges, and described valve pocket is cylindrical; Described air guide channel has comprised that an axial passage that connects described introducing port is connected the radial passage of described export mouth with one, and described axial passage and radial passage are interconnected.

6. print cartridge comprises:

The ink supply port that box body, this box body have ink-containing chamber and the ink in the ink-containing chamber is outwards exported;

Be arranged on the air guide valve on the described box body, this air guide valve comprises spool and valve seat, the connected entrance that this valve seat has the valve pocket that holds described spool and this valve pocket is communicated with described ink-containing chamber gas phase;

It is characterized in that:

7. print cartridge according to claim 6 is characterized in that: the top cover of described valve seat and described box body is one-body molded.

8. print cartridge according to claim 7, it is characterized in that: be provided with the sealing ring that selectively seals described connected entrance between the lateral surface of described spool and the medial surface of described valve seat, the sealing circle is fixed on the described spool, and the sealing circle has a through hole in the position corresponding to described export mouth.

9. print cartridge according to claim 8, it is characterized in that: the top of described spool is provided with the spacing cover of its axial limiting in valve seat, the end face of this spool exposes outside spacing cover, and this end face is provided with the handle that is used for rotational valve core, and described introducing port is positioned on this end face; Described end face be provided with one with synchronous first indicateing arm of described export mouth, the end face of described spacing cover be provided with one with synchronous second indicateing arm of described connected entrance.

10. print cartridge according to claim 9 is characterized in that: described spool is and has the cylindrical of two flanges, and described sealing ring is fixed between two flanges, and described valve pocket is cylindrical; Described air guide channel has comprised that an axial passage that connects described introducing port is connected the radial passage of described export mouth with one, and described axial passage and radial passage are interconnected.