CN201309303Y

CN201309303Y - Printer cartridge

Info

Publication number: CN201309303Y
Application number: CNU2008202053130U
Authority: CN
Inventors: 王玉峰
Original assignee: Zhuhai Gree Magneto Electric Co Ltd
Current assignee: Zhuhai Gree Meida Technology Co Ltd
Priority date: 2008-12-16
Filing date: 2008-12-16
Publication date: 2009-09-16
Anticipated expiration: 2018-12-16

Abstract

The utility model provides a printer cartridge, which has the advantages that the induction is accurate; the volume of an ink reservoir can be greatly reduced; the use is more convenient; and meanwhile, the raw material is saved and the processing cost is reduced. The printer cartridge comprises an ink tank, an ink outlet and an induction part, wherein, the inner chamber of the ink tank is an ink reservoir which is adjustable in volume; the opening part of the ink reservoir is in closed connection with a connecting piece; the ink outlet and the induction part are located on the outer surface of the connecting piece; an ink passage capabling of connecting the ink reservoir and a testing cavity and connecting the ink reservoir and the ink outlet is formed in the connecting piece; the inner chamber of the induction part is the testing cavity which is adjustable in volume; the ink tank, the connecting piece and the induction part are connected to form a sealed integral structure which is provided with only one outlet, namely, the ink outlet; a part of or the whole of the body wall of the ink tank is made of an elastic material; a part of or the whole of the body wall of the induction part is made of an elastic material; and the elastic coefficient value of the ink tank is smaller than that of the induction part.

Description

Ink-cases of printers

Technical field

The utility model belongs to the printer material consumption field, is specifically related to a kind of ink-jet printer cartridge.

Background technology

Inkjet technology is a kind of contactless digital printed technology, be with ink droplet jet to the surface of various media, a kind of printing type that the content playback of needs is come out.Have that print speed is fast, flexible operation, noise is low and the figure and the image quality advantages of higher of output, so ink-jet printer is used quite extensive at present.

Ink-cases of printers of the prior art, as the patent No. be: ZL 200720105393.8, publication number is: CN200998938, name is called: the Chinese patent of the print cartridge of band induction installation discloses a kind of print cartridge with induction installation, the cartridge body and the ink box cover that covers the cartridge body opening that comprise the band opening that storage ink is used, a side at cartridge body is shaped on ink outlet port, device for ink is housed out in the ink outlet port, on ink outlet port, be shaped on the groove of outside protrusion printing opacity, the position of groove just is being inserted in the probe of printer ink detecting sensor, in cartridge body, be provided with fork, the two ends of fork are around the run-on point backswing at fork middle part, and an end of fork is lighttight shadow shield, stretches in groove, the other end of fork is a float, when ink used the bottom, float floated on the ink face, swings and drives shadow shield with the height of ink face and move, be shaped on the support arm that stretches in the cartridge body on the described ink box cover, the run-on point of fork just is located on the support arm.The shortcoming of this kind print cartridge is: cartridge body and ink box cover container-like element for adopting hard material to make, and adopt shadow shield as induction installation, a cover fork need be set, ball cock device drives shadow shield and moves up and down; Because the setting of fork, ball cock device and the volume that takies in the cartridge body thereof need be wasted certain space, thereby cause the waste raw material to make the manufacturing processing cost high, therefore cause existing print cartridge to use expensive.

Summary of the invention

The purpose of this utility model is to provide a kind of ink-cases of printers, and induction accurately can reduce the volume of ink storage chamber greatly, uses more conveniently, and the while can save material, and cuts down finished cost.

The utility model is achieved through the following technical solutions:

A kind of ink-cases of printers includes ink tank, ink outlet port and sensing part; Wherein, the inner chamber of described ink tank is for changing the ink storage chamber of volume size; The opening part of described ink storage chamber is connected with a connection piece is airtight; Described ink outlet port and sensing part are positioned on the outer surface of described connector, and described connector inside is provided with the ink channel that can be communicated with ink storage chamber and test chamber, ink storage chamber and ink outlet port; The inner chamber of described sensing part is for changing the test chamber of volume size; Described ink tank, connector and sensing part are connected to form only has an outlet, i.e. the sealed monolithic structure of ink outlet port.

The body wall of described ink tank local or all adopt elastomeric material to make, the body wall of described sensing part local or all adopt elastomeric material to make; The coefficient of elasticity value of described ink tank is less than the coefficient of elasticity value of sensing part.

To sum up, the beneficial effects of the utility model are:

Ink-cases of printers of the present utility model, because the inner chamber of ink tank is the ink storage chamber that can change volume size, the inner chamber of sensing part is for changing the test chamber of volume size; The coefficient of elasticity value of ink tank is less than the coefficient of elasticity value of sensing part; Ink tank, connector and sensing part are connected to form only has an outlet, i.e. the sealed monolithic structure of ink outlet port.Therefore, print cartridge is except ink outlet port, and other part discord are extraneous directly continuous; The power that produces the sensing part distortion is greater than the power that produces the ink tank distortion.In the print procedure, ink tank at first produces distortion, makes ink flow to ink outlet port, at this moment, the sensing part forms an obstacle between the photosensitive device of printer, can stop the light beam that the photo-sensitive cell of printer sends, and therefore printer obtains still having in the ink storage chamber information of excess ink.After the ink in the ink tank is depleted to a certain degree, the power that makes ink tank generation deformation is greater than making the sensing part produce the power of deformation, this moment, shrank under the suction of printer the sensing part, thereby the light beam that the photo-sensitive cell of printer sends is not blocked, light beam can pass through, therefore printer obtains not having in the ink storage chamber information of excess ink, stops to print.Ink-cases of printers of the present utility model saves material, and cuts down finished cost, and induction accurately, and is easy-to-use.

Description of drawings

Fig. 1 is the main TV structure schematic diagram that the utility model ink-cases of printers still has the excess ink state;

Fig. 2 is the plan structure schematic diagram that the utility model ink-cases of printers still has the excess ink state;

Fig. 3 is the side-looking structural representation that the utility model ink-cases of printers still has the excess ink state;

Fig. 4 is the main TV structure schematic diagram that the utility model ink-cases of printers does not have the excess ink state;

Fig. 5 is the plan structure schematic diagram that the utility model ink-cases of printers does not have the excess ink state;

Fig. 6 is the side-looking structural representation that the utility model ink-cases of printers does not have the excess ink state;

Fig. 7 is the structural representation of the ink channel embodiment one of the utility model ink-cases of printers;

Fig. 8 is the local enlarged diagram of the ink channel embodiment one of the utility model ink-cases of printers;

Fig. 9 is the structural representation of the ink channel embodiment two of the utility model ink-cases of printers;

Figure 10 is printer still has the excess ink state at ink-cases of printers a light transmission path schematic diagram;

Figure 11 is printer does not have the excess ink state at ink-cases of printers a light transmission path schematic diagram.

Description of reference numerals:

1, ink tank, 2, connector, 3, the sensing part, 4, ink outlet port, 5, ink filling port, 10, ink, 20, ink channel, 201, passage one, 202, passage two, 203, passage three.

The specific embodiment

Shown in Fig. 1,2,3,4,5,6, a kind of ink-cases of printers, ink outlet port 4 that include ink tank 1, is connected and sensing part 3 with printer; Wherein, the inner chamber of described ink tank 1 is for changing the ink storage chamber of volume size; The opening part of described ink storage chamber is with 2 airtight connections of a connection piece; Described ink outlet port 4 and sensing part 3 are positioned on the outer surface of described connector 2, and described connector 2 inside are provided with the ink channel 20 that can be communicated with ink storage chamber and test chamber, ink storage chamber and ink outlet port; The inner chamber of described sensing part 3 is for changing the test chamber of volume size; Described ink tank 1, connector 2 and sensing part 3 are connected to form only has an outlet, i.e. the sealed monolithic structure of ink outlet port 4.

The body wall of described ink tank 1 local or all adopt elastomeric material to make, the body wall of described sensing part 3 local or all adopt elastomeric material to make; The coefficient of elasticity value of described ink tank 1 is less than the coefficient of elasticity value of sensing part 3.

Described ink tank 1 adopts soft bag shaped structure, adopts the mode of welding that the opening of ink tank 1 and the sidewall of connector 2 are tightly connected.

Described sensing part 3 is tightly connected with the installing port of clinching mode and connector 2, and sensing part 3 is held in the installing port outside of connector 2; Described sensing part 3 is flexible along the direction perpendicular to the outer surface of described connector 2.

Described sensing part 3 adopts opaque elastomeric material to make.

Described sensing part 3 adopts transparent elastic material to make, and the ink in the test chamber is as shade.

On the outer surface of described connector 2, the other end position relative with ink outlet port 4 also is provided with an ink filling port 5, and described ink filling port 5 is communicated with ink storage chamber.

As shown in Figure 1, 2, 3, when print cartridge is in when the excess ink state is still arranged, described ink tank 1 is along the thickness direction bulging; Shown in Fig. 4,5,6, when print cartridge is in when not having the excess ink state, described ink tank 1 is along the thickness direction depression, and volume diminishes.

Embodiment one:

As shown in Figure 7, in the present embodiment, test chamber and ink outlet port adopt the mode of series connection to be communicated with, and promptly ink channel 20 includes and is communicated with ink storage chamber and the passage 1 of test chamber and the passage 2 202 of communication with detection chamber and ink outlet port.

Embodiment two:

As shown in Figure 9, in the present embodiment, test chamber and ink outlet port adopt mode in parallel to be communicated with, and promptly ink channel 20 includes passage 1 that is communicated with ink storage chamber and test chamber and the passage 3 203 that is communicated with ink storage chamber and ink outlet port.

Shown in Figure 10,11, in the print procedure, ink tank at first produces distortion, make ink flow to ink outlet port, at this moment, the sensing part forms an obstacle between the photosensitive device 3 of printer, can stop the light beam that the illuminating part of printer sends, and printer is received the information that therefore light spare obtains still having in the ink storage chamber excess ink.After the ink in the ink tank is depleted to a certain degree, the power that makes ink tank generation deformation is greater than making the sensing part produce the power of deformation, this moment, shrank under the suction of printer the sensing part, thereby the light beam that the illuminating part of printer sends is not blocked, light beam can pass through, printer is received the information that therefore light spare obtains not having in the ink storage chamber excess ink, stops to print.

Above-mentioned listed specific implementation is nonrestrictive, and to one skilled in the art, in not departing from the utility model scope, various improvement and the variation carried out all belong to protection domain of the present utility model.

Claims

1, a kind of ink-cases of printers, the ink outlet port (4) that include ink tank (1), is connected and sensing part (3) with printer; It is characterized in that: the inner chamber of described ink tank (1) is for changing the ink storage chamber of volume size; The opening part of described ink storage chamber is with airtight connection of a connection piece (2); Described ink outlet port (4) and sensing part (3) are positioned on the outer surface of described connector (2), and described connector (2) inside is provided with the ink channel (20) that can be communicated with ink storage chamber and test chamber, ink storage chamber and ink outlet port; The inner chamber of described sensing part (3) is for changing the test chamber of volume size; Described ink tank (1), connector (2) and sensing part (3) are connected to form only has an outlet, i.e. the sealed monolithic structure of ink outlet port (4).

2, ink-cases of printers according to claim 1 is characterized in that: the body wall of described ink tank (1) local or all adopt elastomeric material to make, the body wall of described sensing part (3) local or all adopt elastomeric material to make; The coefficient of elasticity value of described ink tank (1) is less than the coefficient of elasticity value of sensing part (3).

3, ink-cases of printers according to claim 2 is characterized in that: described ink tank (1) adopts soft bag shaped structure, adopts the mode of welding that the opening of ink tank (1) and the sidewall of connector (2) are tightly connected.

4, ink-cases of printers according to claim 3 is characterized in that: described sensing part (3) are tightly connected with the installing port of clinching mode and connector (2), and sensing part (3) are held in the installing port outside of connector (2); Described sensing part (3) is flexible along the direction perpendicular to the outer surface of described connector (2).

5, ink-cases of printers according to claim 4 is characterized in that: described sensing part (3) adopt opaque elastomeric material to make.

6, ink-cases of printers according to claim 4 is characterized in that: described sensing part (3) adopt transparent elastic material to make, and the ink in the test chamber is as shade.

7, according to claim 5 or 6 described ink-cases of printers, it is characterized in that: on the outer surface of described connector (2), the other end position relative with ink outlet port (4) also is provided with an ink filling port (5), and described ink filling port (5) is communicated with ink storage chamber.

8, ink-cases of printers according to claim 7 is characterized in that: when described print cartridge is in when the excess ink state is still arranged, described ink tank (1) is along the thickness direction bulging; When described print cartridge is in when not having the excess ink state, described ink tank (1) is along the thickness direction depression, and volume diminishes.

9, ink-cases of printers according to claim 7, it is characterized in that: described test chamber and ink outlet port adopt the mode of series connection to be communicated with, and promptly ink channel (20) includes and is communicated with ink storage chamber and the passage one (201) of test chamber and the passage two (202) of communication with detection chamber and ink outlet port.

10, ink-cases of printers according to claim 7, it is characterized in that: described test chamber and ink outlet port adopt mode in parallel to be communicated with, and promptly ink channel (20) includes passage one (201) that is communicated with ink storage chamber and test chamber and the passage three (203) that is communicated with ink storage chamber and ink outlet port.