CN201309303Y - Printer cartridge - Google Patents

Abstract

The utility model provides a printer ink box, which has accurate induction, can greatly reduce the volume of an ink storage cavity, is more convenient to use, can save raw materials and reduce processing costs at the same time. It includes an ink container, an ink outlet and a sensing part; the inner cavity of the ink container is an ink storage chamber whose volume can be changed; the opening of the ink storage chamber is airtightly connected with a connecting piece; the ink outlet and the sensing part are located at On the outer surface of the connector, the connector is provided with an ink channel that can communicate with the ink storage chamber and the detection chamber, the ink storage chamber and the ink outlet; the inner chamber of the sensing part is a detection chamber that can change the volume; The ink container, the connecting piece and the sensing part are connected to form a sealed integral structure with only one outlet, that is, the ink outlet. Part or all of the body wall of the ink container is made of elastic material, and part or all of the body wall of the sensing part is made of elastic material; the elastic coefficient value of the ink container is smaller than the elastic coefficient value of the sensing part.

Description

Printer Cartridges

technical field

The utility model belongs to the field of printer consumables, in particular to an ink cartridge for an inkjet printer.

Background technique

Inkjet printing technology is a non-contact digital printing technology, which is a printing method that sprays ink droplets onto the surface of various media to reproduce the required content. It has the advantages of fast printing speed, flexible operation, low noise and high output graphics and image quality, so inkjet printers are currently widely used.

Printer ink cartridges in the prior art, such as the patent number is: ZL 200720105393.8, the publication number is: CN200998938, and the name is: ink cartridge with induction device. The ink cartridge body and the ink cartridge cover that covers the opening of the ink cartridge body are formed with an ink outlet on one side of the ink cartridge body, an ink outlet device is installed in the ink outlet, and a light-transmitting groove protruding outward is formed on the ink outlet The position of the groove is inserted into the probe of the ink detection sensor of the printer. There is a swing rod in the ink cartridge body. The two ends of the swing rod swing in reverse around the rotation point in the middle of the swing rod. One end of the swing rod is opaque. The shading plate extends in the groove, and the other end of the swing rod is a float. When the ink is used to the bottom, the float floats on the ink surface, swings with the ink level and drives the shading plate to move together. The ink cartridge cover Be shaped on the support arm that stretches in the ink cartridge body, the pivot point of fork is just located on the support arm. The disadvantage of this kind of ink cartridge is: the ink cartridge body and the ink cartridge cover are container-shaped components made of hard materials, and the light shield is used as the induction device. It is necessary to set a set of swing rods and float devices to drive the light shield to move up and down; The setting of the rod and the float device and the volume occupied by the ink cartridge body need to waste a certain amount of space, resulting in a waste of raw materials and high manufacturing and processing costs, so that the existing ink cartridges are too expensive to use.

Contents of the invention

The purpose of the utility model is to provide a printer ink box, which has accurate induction, can greatly reduce the volume of the ink storage chamber, is more convenient to use, can save raw materials and reduce processing costs at the same time.

The utility model is achieved through the following technical solutions:

A printer ink box includes an ink container, an ink outlet, and a sensing part; wherein, the inner chamber of the ink container is an ink storage chamber whose volume can be changed; the opening of the ink storage chamber is sealed with a connecting piece connection; the ink outlet and the sensing part are located on the outer surface of the connecting piece, and the inside of the connecting piece is provided with an ink channel that can communicate with the ink storage chamber and the detection chamber, the ink storage chamber and the ink outlet; the induction Part of the inner cavity is a detection cavity whose volume can be changed; the ink container, the connecting piece and the sensing part are connected to form a sealed integral structure with only one outlet, that is, the ink outlet.

Part or all of the body wall of the ink container is made of elastic material, and part or all of the body wall of the sensing part is made of elastic material; the elastic coefficient value of the ink container is smaller than the elastic coefficient value of the sensing part.

In summary, the beneficial effects of the utility model are:

In the printer ink cartridge of the present utility model, since the inner chamber of the ink container is an ink storage chamber whose volume can be changed, the inner chamber of the sensing part is a detection chamber whose volume can be changed; the elastic coefficient value of the ink container is smaller than the elastic coefficient value of the sensing part ; The ink container, the connecting piece and the sensing part are connected to form a sealed integral structure with only one outlet, that is, the ink outlet. Therefore, except for the ink outlet, other parts of the ink cartridge are not directly connected to the outside world; the force that causes the deformation of the sensing part is greater than the force that causes the deformation of the ink container. During the printing process, the ink container first deforms to make the ink flow to the ink outlet. At this time, the sensing part forms a barrier between the photosensitive devices of the printer, which can block the light beams emitted by the photosensitive components of the printer. Therefore, the printer has an ink storage cavity. There is information about remaining ink in . Until the ink in the ink container is consumed to a certain extent, the force to deform the ink container is greater than the force to deform the sensing part. At this time, the sensing part shrinks under the suction of the printer, so that the light beam emitted by the photosensitive element of the printer does not If it is blocked, the light beam can pass through, so the printer gets the message that there is no remaining ink in the ink storage chamber, and stops printing. The printer ink box of the utility model saves raw materials, reduces processing costs, has accurate induction and is convenient to use.

Description of drawings

Fig. 1 is a schematic diagram of the front view of the ink cartridge of the utility model with remaining ink;

Fig. 2 is a top view structural schematic diagram of the ink cartridge of the utility model still having remaining ink;

Fig. 3 is a schematic diagram of the side view structure of the ink cartridge of the utility model with remaining ink;

Fig. 4 is a schematic diagram of the front view of the state where the ink cartridge of the printer of the present invention has no remaining ink;

Fig. 5 is a top view structural schematic diagram of the ink cartridge of the utility model with no remaining ink;

Fig. 6 is a schematic diagram of the side view structure of the ink cartridge of the utility model without remaining ink;

Fig. 7 is a structural schematic diagram of Embodiment 1 of the ink channel of the printer ink cartridge of the present invention;

Fig. 8 is a partially enlarged schematic diagram of Embodiment 1 of the ink channel of the ink cartridge of the printer of the present invention;

Fig. 9 is a structural schematic diagram of Embodiment 2 of the ink channel of the printer ink cartridge of the present invention;

Fig. 10 is a schematic diagram of the optical transmission path of the printer in the state of remaining ink in the printer cartridge;

Fig. 11 is a schematic diagram of the light transmission path of the printer in the state of no remaining ink in the ink cartridge of the printer.

Explanation of reference signs:

1. Ink container, 2. Connector, 3. Induction part, 4. Ink outlet, 5. Ink filling port, 10. Ink, 20. Ink channel, 201, Channel one, 202, Channel two, 203, Channel three .

Detailed ways

As shown in Figures 1, 2, 3, 4, 5, and 6, a printer ink cartridge includes an ink container 1, an ink outlet 4 connected to the printer, and an induction part 3; wherein, the inner chamber of the ink container 1 It is an ink storage chamber whose volume can be changed; the opening of the ink storage chamber is airtightly connected with a connecting piece 2; the ink outlet 4 and the sensing part 3 are located on the outer surface of the connecting piece 2, the The inside of the connector 2 is provided with an ink channel 20 that can communicate with the ink storage cavity and the detection cavity, the ink storage cavity and the ink outlet; the inner cavity of the sensing part 3 is a detection cavity that can change the volume; the ink container 1, The connection part 2 and the sensing part 3 are connected to form a sealed integral structure with only one outlet, that is, the ink outlet 4 .

Part or all of the body wall of the ink container 1 is made of elastic material, and part or all of the body wall of the sensing part 3 is made of elastic material; the elastic coefficient value of the ink container 1 is smaller than that of the sensing part 3 Elastic value.

The ink container 1 adopts a soft bag-like structure, and the opening of the ink container 1 and the side wall of the connecting piece 2 are sealed and connected by welding.

The sensing part 3 is sealed and connected to the installation port of the connector 2 in a snap-fit manner, and the sensing part 3 is fastened outside the mounting port of the connector 2; the sensing part 3 is along the outer surface perpendicular to the connector 2 stretch in the direction of .

The sensing part 3 is made of opaque elastic material.

The sensing part 3 is made of transparent elastic material, and the ink in the detection cavity is used as a light-shielding device.

On the outer surface of the connecting member 2, at the other end opposite to the ink outlet 4, there is also an ink filling port 5, and the ink filling port 5 communicates with the ink storage chamber.

As shown in Figures 1, 2, and 3, when the ink cartridge is in a state with remaining ink, the ink container 1 bulges along the thickness direction; as shown in Figures 4, 5, and 6, when the ink cartridge is in a state without remaining ink, the The above-mentioned ink container 1 is dented in the thickness direction, and its volume becomes smaller.

Embodiment one:

As shown in Figure 7, in this embodiment, the detection chamber and the ink outlet are connected in series, that is, the ink passage 20 includes a passage 201 connecting the ink storage chamber and the detection chamber and a passage connecting the detection chamber and the ink outlet Two 202 .

Embodiment two:

As shown in Figure 9, in this embodiment, the detection chamber and the ink outlet are communicated in parallel, that is, the ink passage 20 includes a passage 201 that communicates with the ink storage chamber and the detection chamber and a passage that communicates with the ink storage chamber and the ink outlet. Channel Three 203.

As shown in Figures 10 and 11, during the printing process, the ink container first deforms to make the ink flow to the ink outlet. At this time, the sensing part forms a barrier between the photosensitive devices 3 of the printer, which can prevent the light-emitting parts of the printer from emitting light. Therefore, the light beam of the printer obtains the information that there is remaining ink in the ink storage cavity. Until the ink in the ink container is consumed to a certain extent, the force to deform the ink container is greater than the force to deform the sensing part. At this time, the sensing part shrinks under the suction of the printer, so that the light beam emitted by the light-emitting part of the printer does not change. If the light beam is blocked, the light beam can pass through, so the light receiving part of the printer gets the information that there is no remaining ink in the ink storage chamber, and stops printing.

The specific implementation methods listed above are non-restrictive. For those skilled in the art, various improvements and changes made within the scope of the present utility model all belong to the protection scope of the present utility model.

Claims (10)

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.

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