CN111619237B

CN111619237B - Ink box, ink box unit and ink-jet printing head

Info

Publication number: CN111619237B
Application number: CN202010449942.3A
Authority: CN
Inventors: 任明康; 吴明伟
Original assignee: Linyi High Tech Talent Development Group Co ltd
Current assignee: Linyi high tech talent development group Co.,Ltd.
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-08-03
Anticipated expiration: 2040-05-25
Also published as: CN111619237A

Abstract

The invention belongs to the technical field of printing devices, and particularly relates to an ink box, an ink box unit and an ink-jet printing head, wherein a fixed ring and a movable ring are arranged on the outer side of a box body, and an elastic connecting piece is arranged between the fixed ring and the movable ring; the gap between the elastic connecting piece and the outer wall of the box body keeps sealed; the side wall of the box body is provided with a semicircular through hole; a first channel and a second channel which is provided with a first vent hole are arranged in the box body and communicated with each other; a sliding block connected with the moving ring through a pull rope is arranged in the first channel; a film covers the box body, and the film is sunken towards the interior of the box body; the edge of the film is fixedly connected with the moving ring; the printing ink is stored to the concave position of the film in the box body; a fixing rope is fixedly arranged on the fixing ring; the invention has simple structure, easy cleaning and printing ink replacement, convenient operation and easy use.

Description

Ink box, ink box unit and ink-jet printing head

Technical Field

The invention belongs to the technical field of printing devices, and particularly relates to an ink box, an ink box unit and an ink-jet printing head.

Background

Modern ink cartridges refer primarily to the components of an ink jet printer that store printing ink and ultimately complete printing. Common ink horn is disposable ink horn, directly abandons finishing using, causes a large amount of wastes easily, and the cost is higher simultaneously, has repeatedly to add black, repetitious usage's ink horn equally in the market, but these ink horn structures are complicated, and the ink makes the operation comparatively complicated in changing the ink horn, has misoperation easily when ordinary personnel use, leads to the ink horn to appear leaking in annotating black reuse process, influences normal use.

Some proposals exist in the prior art, such as the chinese patent with application number CN201510911969.9, including a box body, the bottom of the inner cavity of the box body is provided with a partition board, the top of the box body is provided with an ink inlet, and the bottom of the box body is provided with an ink outlet, the top of the box body is provided with a connector, the top of the connector is respectively connected with an air storage tank and a water storage tank through two pipes, the air storage tank and the water storage tank are both located at one side of the box body, and the joints of the air storage tank and the water storage tank with the corresponding pipes of the air storage tank and the water storage tank are respectively provided with an air pump and a water pump, the inside of the box body is provided with a rotating rod, the color printing ink box convenient to clean and prevent blockage is convenient to clean in the ink box by arranging an air pump and a water pump, the use is convenient and trouble-saving, the inner wall of the ink box is cleaned by arranging a brush, and the blockage in the ink box caused by solid particles and crystals after the ink box is used for too long time is avoided, however, the ink box of the scheme has a complex structure and high operation difficulty, and meanwhile, the ink box is easy to miss in the operation process, so that the ink box leaks in the ink adding process, and the pollution is caused.

Disclosure of Invention

In order to make up for the defects of the prior art, solve the problems that the ink box is inconvenient to clean and change ink and the ink changing operation of the ink box is complex, the invention provides an ink box, an ink box unit and an ink-jet printing head.

The technical scheme adopted by the invention for solving the technical problems is as follows: the ink box comprises a box body, wherein a fixing ring is arranged on the outer side of the box body; a moving ring is arranged above the fixed ring; an elastic connecting piece is arranged between the fixed ring and the movable ring; the lower end of the elastic connecting piece is fixedly connected to the upper surface of the fixing ring; the upper end of the elastic connecting piece is fixedly connected to the upper surface of the movable ring; the moving ring can move up and down along the side wall of the box body; a gap is formed between the elastic connecting piece and the outer wall of the box body, and the gap and the outside are kept in a sealing state; semicircular through holes are uniformly formed in the side wall of the box body; the semicircular through hole penetrates through the side wall of the box body; the semicircular through hole is positioned below the elastic connecting piece; a first channel is arranged in the box body; the number of the channels is three, and the channels are uniformly distributed in the bottom surface of the box body; an outlet of the first channel is positioned on the lower surface of the box body; one ends of the first channels, which are close to the center of the box body, are communicated with each other; a second channel is arranged in the box body; the number of the second channels is three, and the second channels are uniformly distributed in the bottom surface of the box body; the second channel and the first channel are alternately distributed, and the second channel is communicated with the first channel; a first vent hole is formed in the second channel; the first vent hole is communicated with the interior of the box body and the second channel; a sliding block is arranged in the first channel; the sliding block and the first channel are sealed; a pull rope is fixedly connected to the sliding block; the other end of the pull rope is fixedly connected to the side wall of the movable ring; a film covers the box body, and the film is sunken towards the interior of the box body; the edge of the film is fixedly connected with the moving ring; the printing ink is stored to the concave position of the film in the box body; a fixing rope is fixedly arranged on the fixing ring; the number of the fixing ropes is four, and the fixing ropes are uniformly distributed on the outer side surface of the fixing ring;

when the film sucking box works, a film is placed above the box body, the edge of the film is fixed on the moving ring, then the moving ring moves upwards, when the moving ring moves upwards, the pulling rope is pulled to enable the sliding block to move in the first channel in the direction far away from the center of the box body, one end of the first channel is communicated with each other, negative pressure is generated in the first channel after the sliding block starts to move, the second channel communicated with the first channel is also changed into negative pressure, air pressure in the box body starts to reduce due to the air vent I arranged on the second channel, the film covering the box body is sucked to be sunken downwards and finally sucked into the box body and is tightly attached to the inner wall of the box body, meanwhile, in the process that the moving ring moves upwards, the elastic connecting piece arranged between the moving ring and the fixed ring is stretched, the gap between the elastic connecting piece and the outer wall of the box body is enlarged, and the gap formed between the elastic connecting piece and the outer wall of the box body is kept in a sealing state, after the gap is enlarged, the pressure in the gap is reduced to form a negative pressure state, and the pressure in the box body begins to be reduced gradually as the semicircular through hole is formed in the side wall of the box body, so that the smooth process that the film is sunk into the box body is ensured, the film can enter the box body and is tightly attached to the inner wall of the box body, the situation that the film cannot completely enter the box body and is tightly attached to the inner wall of the box body due to the insufficient negative pressure value in the box body is prevented, the filling of printing ink is influenced, meanwhile, the speed of negative pressure generation can be effectively increased through the arrangement of the elastic connecting piece, the speed of the film being attached to the inner wall of the box body is increased, the operation time is reduced, meanwhile, the covering film in the box body is adopted for filling of the printing ink, the ink box body can be effectively protected, the pollution of the printing ink to the ink is avoided, and meanwhile, when the printing ink with different colors needs to be replaced, the quick replacement can be realized only after the film is replaced, avoid printing ink to remain in the ink horn, reduce ink horn cleaning time, simultaneously, through changing the live time that the film can effectual extension ink horn, practice thrift use cost.

Preferably, the upper surface of the moving ring is provided with an annular groove; a flexible shaft is arranged in the annular groove; a clamping block is fixedly arranged on the flexible shaft; the clamping blocks are in multiple groups and are uniformly distributed on the flexible shaft; the film is fixedly connected to the movable ring through a clamping block; a torsion bar is fixedly arranged on the flexible shaft; the twisting rod is vertical to the side wall of the box body; a groove is formed in the movable ring; the twisting rod is positioned in the groove;

the during operation, put into the recess with the edge of film, later with the twist rod upwards rotation, because the characteristic of flexible axle self, in the twist rod upwards rotation in-process, the flexible axle takes place to rotate equally, the fixture block of installation is close to the box body direction gradually on the flexible axle, make the gap between fixture block and the ring channel diminish, thereby die fix the film card, can effectually fix the film on the movable block through the fixture block, and simultaneously, when the film is changed to needs, the fixed contact of the film that equally can relax, be convenient for the change and the washing of film, the simplified operation step, reduce the operation degree of difficulty, save time.

Preferably, the box body is provided with an elastic pad; the elastic pad is positioned at an opening above the box body; the elastic pad is bonded with the box body through glue; the elastic cushion is annular, and a second cavity is formed in the elastic cushion; the upper surface of the elastic cushion is uniformly provided with vent holes II; a cavity is formed in the film, and the cavity is combined into a second air passage inside the film; the edge of the film is provided with a third vent hole; the vent hole III is communicated with the air passage II; when the film is completely sunk into the box body, the vent holes III on the edge of the film are overlapped and communicated with the vent holes on the elastic pad;

when the ink box works, when the printing ink in the ink box is used up and needs to be cleaned, because the second air passage in the film and the second cavity in the elastic cushion are used, when the elastic cushion is extruded, the second cavity in the elastic cushion is extruded, so that the pressure in the second cavity is increased, the pressure of the second air passage in the film is increased, the film is elastically deformed, under the condition of continuously pressing the elastic cushion, the film is continuously deformed, the printing ink attached to the film gradually drops off in the deformation of the film, the film is convenient to clean, the operation speed is accelerated, meanwhile, when the film is installed, the film is deformed by pressing the elastic cushion, the film can be tightly attached to the inner wall of the box body, a gap is prevented from being formed between the film and the inner wall of the box body, the film in the box body is flat and free of wrinkles, and the ink box is convenient to use.

Preferably, the blocking ring is arranged on the outer side of the box body; the section of the blocking ring is wedge-shaped, and the tip end of the blocking ring faces the bottom direction of the box body; the blocking ring is made of rubber;

when the movable ring moves upwards gradually, the movable ring and the blocking ring are combined tightly due to the shape of the blocking ring, the friction force between the movable ring and the blocking ring is increased gradually, the friction force between the movable ring and the blocking ring is increased to a certain degree after the movable ring moves to a certain position, so that the position of the movable ring is relatively fixed, meanwhile, in the process of moving upwards, due to the wedge-shaped shape of the blocking ring, the sealing performance between the movable ring and the blocking ring is better, the sealing performance between the elastic connecting piece and the outer side wall of the box body is improved, the stability of the negative pressure value in the box body is ensured, the film is better pulled into the box body, the film can be tightly attached to the inner wall of the box body after entering the box body, the air leakage caused by poor sealing performance after a long time is avoided, the negative pressure value is reduced, so that the film is not tightly attached to the inner wall of the box body, and meanwhile, because the blocking ring is wedge-shaped, the diameter of the upper end of the blocking ring obviously exceeds that of the movable ring, the film and the blocking ring are in mutual contact, the film and the blocking ring are relatively sealed under the influence of the shrinkage force of the film, the sealing effect between the film and the blocking ring is also optimal after the movable ring moves to the final position, the air leakage of the box body caused by the gap between the film and the box body can be effectively prevented, and the negative pressure value is reduced.

Preferably, the inner side surface of the moving ring is fixedly connected with a rubber ring; the rubber ring can be contacted with the clamping block on the flexible shaft; the rubber ring is provided with a ball; the ball can freely rotate on the rubber ring; the balls are all positioned on the same plane; the ball is positioned at the upper end of the rubber ring; the ball is contacted with the outer side wall of the box body;

when the movable ring is in upward movement contact with the blocking ring in work, the rubber ring is fixed on the inner side surface of the movable ring and is made of rubber, the friction force between the rubber ring and the rubber ring is large, the balls arranged on the rubber ring can effectively reduce the friction force when the movable ring is in contact with the blocking ring, the movable ring is convenient to move upward, the difficulty of the upward movement of the movable ring is reduced, the operation of a user is convenient, meanwhile, the rubber ring arranged on the movable ring can increase the sealing performance between the rubber ring and the blocking ring, so that the sealing performance of a gap between the elastic connecting piece and the outer side wall of the box body is effectively improved, meanwhile, after the movable ring is in contact with the blocking ring, the balls arranged on the rubber ring are extruded, one side of the rubber ring, which is close to the movable ring, is protruded, when a film is clamped by the clamping block on the flexible shaft, the opening of the clamping block faces the rubber ring, and the protrusion on the rubber ring is clamped into the opening on the clamping block, the fixed effect of film can effectual improvement, simultaneously, promotes the leakproofness between film and the movable block.

Preferably, a first cavity is formed inside the barrier ring; the side wall of the box body is provided with a first air passage; the air passages are distributed in the box body side wall uniformly; the air passage is communicated with the first cavity and the second cavity;

when the baffle ring works, when the movable ring moves onto the baffle ring, the baffle ring is extruded by the movable ring, so that the pressure in the first cavity in the baffle ring is increased, because the first cavity is communicated with the second cavity through the first air passage, the pressure in the second cavity is increased, so that the elastic cushion is deformed, thereby leading the contact between the elastic pad and the film to be more compact, improving the sealing performance between the elastic pad and the film, preventing the space formed between the film and the box body from air leakage, influencing the clinging between the film and the inner wall of the box body, leading the part of the film in the box body to deform, and influencing the normal use of the ink box, meanwhile, the first cavity arranged in the barrier ring can enable the barrier ring to have better characteristics of keeping the initial shape, therefore, when the movable ring is in contact with the blocking ring, the movable ring and the blocking ring are in closer contact, and good sealing performance between the movable ring and the blocking ring is ensured.

An ink cartridge unit includes a cartridge body and a cartridge cover; a clamping groove is formed in the box cover; the clamping groove can be clamped to the upper opening of the box body, and the clamping groove and the box body form sealing;

the during operation, after having filled printing ink in the ink horn, on installing the box body with the lid, can prevent that the printing ink in the box body from empting out, avoid printing ink to cause the pollution, simultaneously, will print ink and external isolation, prevent that printing ink from volatilizing in external environment, rotten, influence the use, simultaneously, through the block in chucking groove on the lid, can make the inner wall of film and box body opening part hug closely more, promote the leakproofness between film and the box body inner wall, guarantee ink horn normal use.

Preferably, a rope hanging plate is arranged on the side surface of the box cover; the number of the rope hanging plates is four, and the rope hanging plates are uniformly distributed on the box cover; the rope hanging plate is provided with an upward inclined barb; the fixed rope can be fixed by the rope hanging plate;

during operation, after installing the box cover on the box body, with the fixed rope card of the solid fixed ring of box body installation on the hanging rope board on the box cover, guarantee the validity of being connected between lid and the box body, prevent that the lid from droing under the unexpected circumstances, lead to printing the china ink outflow in the ink horn, cause the pollution.

An ink jet head is suitable for the ink box unit.

The invention has the following beneficial effects:

1. according to the ink box, the ink box unit and the ink-jet printing head, the box body and the film are arranged, so that printing ink contained in the ink box is positioned on the film, the printing ink is isolated from the box body, the ink box is prevented from being polluted by the printing ink in the long-time use process, meanwhile, the residual printing ink in the ink box can be quickly cleaned by replacing the film, and the ink box is convenient to replace the printing ink with different colors.

2. According to the ink box, the ink box unit and the ink-jet printing head, the blocking ring, the elastic pad and the second air channel in the thin film are arranged, so that the thin film can be elastically deformed to a certain degree when being installed in the box body, printing ink adhered to the thin film can be conveniently removed when the ink box is cleaned, the difficulty in cleaning the ink box is reduced, and the thin film cleaning efficiency is improved.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a partial cross-sectional view of a film of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

FIG. 4 is an enlarged view of a portion of FIG. 1 at B;

in the figure: the box body 1, a first channel 11, a sliding block 12, a pull rope 13, a first air channel 14, a semicircular through hole 15, a second channel 16, a first ventilating hole 161, a fixing ring 2, a fixing rope 21, an elastic connecting piece 22, a moving ring 3, an annular groove 31, a flexible shaft 32, a clamping block 321, a twisting rod 322, a rubber ring 33, a ball 34, a groove 35, a blocking ring 4, a first cavity 41, an elastic pad 5, a second cavity 51, a second ventilating hole 52, a film 6, a second air channel 61, a third ventilating hole 62, a box cover 7, a clamping groove 71 and a rope hanging plate 72.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 4, the ink cartridge of the present invention includes a cartridge body 1, a fixing ring 2 is mounted on the outer side of the cartridge body 1; a moving ring 3 is arranged above the fixed ring 2; an elastic connecting piece 22 is arranged between the fixed ring 2 and the movable ring 3; the lower end of the elastic connecting piece 22 is fixedly connected with the upper surface of the fixing ring 2; the upper end of the elastic connecting piece 22 is fixedly connected with the upper surface of the moving ring 3; the moving ring 3 can move up and down along the side wall of the box body 1; a gap is formed between the elastic connecting piece 22 and the outer wall of the box body 1, and the gap and the outside are kept in a sealing state; semicircular through holes 15 are uniformly formed in the side wall of the box body 1; the semicircular through hole 15 penetrates through the side wall of the box body 1; the semicircular through hole 15 is positioned below the elastic connecting piece 22; a first channel 11 is arranged in the box body 1; the number of the first channels 11 is three, and the first channels are uniformly distributed in the bottom surface of the box body 1; the outlet of the first channel 11 is positioned on the lower surface of the box body 1; one ends of the first channels 11, which are close to the center of the box body 1, are communicated with each other; a second channel 16 is arranged in the box body 1; the number of the second channels 16 is three, and the second channels are uniformly distributed in the bottom surface of the box body 1; the second channel 16 and the first channel 11 are alternately distributed, and the second channel 16 is communicated with the first channel 11; a first vent hole 161 is formed in the second channel 16; the first vent hole 161 is communicated with the second channel 16 and the inside of the box body 1; a sliding block 12 is arranged in the first channel 11; the sliding block 12 keeps sealed with the first channel 11; a pull rope 13 is fixedly connected to the slide block 12; the other end of the pull rope 13 is fixedly connected to the side wall of the movable ring 3; a film 6 covers the box body 1, and the film 6 is sunken towards the inside of the box body 1; the edge of the film 6 is fixedly connected with the moving ring 3; the printing ink is stored until the film 6 is positioned at the concave part in the box body 1; a fixing rope 21 is fixedly arranged on the fixing ring 2; the number of the fixing ropes 21 is four, and the fixing ropes are uniformly distributed on the outer side surface of the fixing ring 2;

when the device works, a film 6 is placed above a box body 1, the edge of the film 6 is fixed on a moving ring 3, then the moving ring 3 moves upwards, when the moving ring 3 moves upwards, a pull rope 13 is pulled to enable a slide block 12 to move in a first channel 11 towards a direction far away from the center of the box body 1, one end of the first channel 11 is communicated with one another, negative pressure is generated in the first channel 11 after the slide block 12 starts to move, a second channel 16 communicated with the first channel 11 also becomes negative pressure, air pressure in the box body 1 starts to reduce due to a first air vent 161 arranged on the second channel 16, a suction effect is generated on the film 6 covered on the box body 1, the film 6 is sunken downwards and finally sucked into the box body 1 to be tightly attached to the inner wall of the box body 1, meanwhile, in the upward moving process of the moving ring 3, an elastic connecting piece 22 arranged between the moving ring 3 and a fixed ring 2 is stretched, and a gap between the elastic connecting piece 22 and the outer wall of the box body 1 is enlarged, because the gap formed between the elastic connecting piece 22 and the outer wall of the box body 1 keeps a sealing state, after the gap is enlarged, the pressure in the gap is reduced to form a negative pressure state, because the semicircular through hole 15 is arranged on the side wall of the box body 1, the pressure in the box body 1 also begins to be gradually reduced, thereby ensuring the smooth process of the film 6 sinking into the box body 1, ensuring the film 6 to enter the box body 1 and cling to the inner wall of the box body 1, preventing the film 6 from completely entering the box body 1 and clinging to the inner wall of the box body 1 due to the insufficient negative pressure value in the box body 1 and influencing the filling of printing ink, meanwhile, the speed of generating negative pressure can be effectively increased through the arrangement of the elastic connecting piece 22, the speed of the film 6 clinging to the inner wall of the box body 1 is accelerated, the operation time is shortened, meanwhile, the filling of printing ink is carried out by covering the film 6 in the box body 1, and the ink box body can be effectively protected, avoid the ink horn body to receive the pollution of printing ink, simultaneously, only need to change film 6 back can change fast when the printing ink of different colours needs to be changed, avoid printing ink to remain in the ink horn, reduce ink horn cleaning time, simultaneously, through the live time of changing film 6 can effectual extension ink horn, practice thrift use cost.

As an embodiment of the present invention, the upper surface of the moving ring 3 is provided with an annular groove 31; a flexible shaft 32 is arranged in the annular groove 31; a fixture block 321 is fixedly arranged on the flexible shaft 32; the clamping blocks 321 are provided with a plurality of groups and are uniformly distributed on the flexible shaft 32; the film 6 is fixedly connected to the moving ring 3 through a fixture block 321; a torsion bar 322 is fixedly arranged on the flexible shaft 32; the twisting rod 322 is vertical to the side wall of the box body 1; the moving ring 3 is provided with a groove 35; the twist rod 322 is positioned in the groove 35;

during operation, put into recess 35 with the edge of film 6, later with the upwards rotation of twist rod 322, because the characteristic of flexible axle 32 self, at the upwards rotation in-process of twist rod 322, flexible axle 32 takes place to rotate equally, fixture block 321 of installation is close to 1 direction of box body gradually on flexible axle 32, make the gap between fixture block 321 and ring channel 31 diminish, thereby die the fixing with film 6 card, can effectually fix film 6 on the movable block through fixture block 321, and simultaneously, when film 6 is changed to needs, the fixed contact of film 6 that equally can relax, be convenient for change and washing of film 6, simplified operation steps, reduce the operation degree of difficulty, save time.

As an embodiment of the present invention, an elastic pad 5 is mounted on the case 1; the elastic pad 5 is positioned at an opening above the box body 1; the elastic pad 5 is bonded with the box body 1 through glue; the elastic cushion 5 is annular, and a second cavity 51 is formed in the elastic cushion; the upper surface of the elastic cushion 5 is uniformly provided with a second vent hole 52; a cavity is arranged in the film 6, and the cavity is combined into a second air channel 61 in the film 6; the edge of the film 6 is provided with a third vent hole 62; the third vent hole 62 is communicated with the second air passage 61; when the film 6 is completely sunk into the box body 1, the vent hole III 62 at the edge of the film 6 is overlapped and communicated with the vent hole II 52 on the elastic cushion 5;

when the ink cartridge is in operation, when the printing ink in the ink cartridge is used up and needs to be cleaned, because the second air channel 61 in the film 6 is communicated with the second cavity 51 in the elastic pad 5, when the elastic pad 5 is extruded, the second cavity 51 in the elastic pad 5 is extruded, so that the pressure in the second cavity 51 is increased, the pressure of the second air channel 61 in the film 6 is increased, the film 6 is elastically deformed, under the condition that the elastic pad 5 is continuously pressed, the film 6 is continuously deformed, the printing ink adhered to the film 6 gradually falls off in the deformation of the film 6, the film 6 is convenient to clean, the operation speed is accelerated, meanwhile, when the film 6 is installed, the film 6 is deformed by pressing the elastic pad 5, the film 6 can be tightly adhered to the inner wall of the cartridge body 1, a gap between the film 6 and the inner wall of the cartridge body 1 is avoided, the film 6 in the cartridge body 1 is smooth and free of wrinkles, and convenient to use.

As an embodiment of the invention, a stopping ring 4 is arranged on the outer side of the box body 1; the section of the blocking ring 4 is wedge-shaped, and the tip end faces the bottom direction of the box body 1; the blocking ring 4 is made of rubber;

when the movable ring 3 works, when the movable ring 3 gradually moves upwards, the movable ring 3 and the blocking ring 4 are combined gradually and tightly due to the shape of the blocking ring 4, the friction force between the movable ring 3 and the blocking ring 4 is increased gradually, after the movable ring 3 moves to a certain position, the friction force between the movable ring 3 and the blocking ring 4 is increased to a certain degree, so that the position of the movable ring 3 is relatively fixed, meanwhile, due to the wedge-shaped shape of the blocking ring 4, the sealing performance between the movable ring 3 and the blocking ring 4 is better in the upward movement process of the movable ring 3, the sealing performance between the elastic connecting piece 22 and the outer side wall of the box body 1 is improved, the negative pressure value in the box body 1 is ensured to be stable, the film 6 is better pulled into the box body 1, the film 6 can be tightly attached to the inner wall of the box body 1 after entering the box body 1, the air leakage caused by poor sealing performance after a long time is avoided, and the negative pressure value is reduced, the film 6 is not attached to the inner wall of the box body 1, meanwhile, the diameter of the upper end of the blocking ring 4 obviously exceeds that of the moving ring 3 due to the fact that the blocking ring 4 is wedge-shaped, the film 6 is in contact with the blocking ring 4, the film 6 and the blocking ring 4 are sealed relatively under the influence of the shrinkage force of the film 6, after the moving ring 3 moves to the final position, the sealing effect between the film 6 and the blocking ring 4 is optimal, gaps between the film 6 and the box body 1 can be effectively prevented, air leakage of the box body 1 is caused, and the negative pressure value is reduced.

As an embodiment of the present invention, a rubber ring 33 is fixedly connected to the inner side surface of the moving ring 3; the rubber ring 33 can contact with the fixture blocks 321 on the flexible shaft 32; the rubber ring 33 is provided with a ball 34; the balls 34 can rotate freely on the rubber ring 33; the balls 34 are all located on the same plane; the balls 34 are positioned at the upper end of the rubber ring 33; the ball 34 is contacted with the outer side wall of the box body 1;

when the movable ring 3 moves upwards to contact the blocking ring 4, the rubber ring 33 is fixed on the inner side surface of the movable ring 3, the rubber ring 33 is made of rubber, the friction force between the rubber ring 33 and the movable ring 3 is large, the balls 34 arranged on the rubber ring 33 can effectively reduce the friction force when the movable ring 3 contacts the blocking ring 4, the movable ring 3 can move upwards conveniently, the difficulty of the upward movement of the movable ring 3 is reduced, the operation of a user is convenient, meanwhile, the sealing performance between the rubber ring 33 arranged on the movable ring and the blocking ring 4 can be improved, so that the sealing performance of a gap between the elastic connecting piece 22 and the outer side wall of the box body 1 is effectively improved, meanwhile, after the movable ring 3 contacts the blocking ring 4, the balls 34 arranged on the rubber ring 33 are squeezed, one side of the rubber ring 33, which is close to the movable ring 3, bulges, and when the film 6 is clamped by the clamping block 321 on the flexible shaft 32, the opening of fixture block 321 faces rubber ring 33, and the arch on rubber ring 33 is gone into the opening part on fixture block 321, can effectual improvement film 6's fixed effect, simultaneously, promotes the leakproofness between film 6 and the movable block.

As an embodiment of the present invention, a first cavity 41 is arranged inside the barrier ring 4; the side wall of the box body 1 is provided with a first air passage 14; the air passages I14 are multiple in number and are uniformly distributed in the side wall of the box body 1; the first air channel 14 is communicated with the first cavity 41 and the second cavity 51;

in operation, when the moving ring 3 moves onto the blocking ring 4, the blocking ring 4 is pressed by the moving ring 3, so that the pressure in the first cavity 41 in the blocking ring 4 is increased, the first cavity 41 is communicated with the second cavity 51 through the first air channel 14, the pressure in the second cavity 51 is increased, the elastic pad 5 is deformed, so that the contact between the elastic pad 5 and the film 6 is tighter, the sealing property between the elastic pad 5 and the film 6 is improved, air leakage in a space formed between the film 6 and the box body 1 is prevented, the close contact between the film 6 and the inner wall of the box body 1 is influenced, the part of the film 6 in the box body 1 is deformed, the normal use of the ink box is influenced, meanwhile, the first cavity 41 arranged in the blocking ring 4 can enable the blocking ring 4 to have better characteristics of keeping the initial shape, so that the contact between the moving ring 3 and the blocking ring 4 is tighter when the moving ring 3 and the blocking ring 4 are in contact, the sealing performance between the moving ring 3 and the blocking ring 4 is ensured to be good.

An ink cartridge unit includes a cartridge body 1 and a cartridge cover 7; a clamping groove 71 is formed in the box cover 7; the clamping groove 71 can be clamped to the upper opening of the box body 1, and the clamping groove and the box body form sealing;

the during operation, after having filled printing ink in the ink horn, install box body 1 with lid 7 on, can prevent that the printing ink in the box body 1 from empting out, avoid printing ink to cause the pollution, and simultaneously, will print printing ink and external isolation, prevent that printing ink from volatilizing in external environment, rotten, influence the use, and simultaneously, the block through chucking groove 71 on lid 7 can make the inner wall of film 6 and box body 1 opening part hug closely more, promote the leakproofness between film 6 and the 1 inner wall of box body, guarantee ink horn normal use.

As an embodiment of the present invention, a hanging rope plate 72 is installed on the side surface of the box cover 7; the number of the rope hanging plates 72 is four, and the rope hanging plates are uniformly distributed on the box cover 7; an obliquely upward barb is arranged on the rope hanging plate 72; the fixed rope 21 can be fixed by a rope hanging plate 72;

during operation, after installing lid 7 on box body 1, on the fixed rope 21 card that installs on the solid fixed ring 2 of box body 1 hung rope plate 72 on lid 7, guarantee the validity of being connected between lid 7 and the box body 1, prevent that lid 7 from droing under the unexpected circumstances, lead to printing ink outflow in the ink horn, cause the pollution.

An ink jet head is suitable for the ink box unit.

The specific working process is as follows:

when the device works, a film 6 is placed above a box body 1, the edge of the film 6 is fixed on a moving ring 3, then the moving ring 3 moves upwards, when the moving ring 3 moves upwards, a pull rope 13 is pulled to enable a slide block 12 to move in a channel I11 towards the direction far away from the center of the box body 1, negative pressure is generated in the channel I11, a channel II 16 communicated with the channel I11 also becomes negative pressure, due to a vent hole I161 arranged on the channel II 16, the air pressure in the box body 1 starts to be reduced, a suction effect is generated on the film 6 covered on the box body 1, the film 6 sinks downwards and is finally sucked into the box body 1 and clings to the inner wall of the box body 1, meanwhile, in the process that the moving ring 3 moves upwards, an elastic connecting piece 22 arranged between the moving ring 3 and a fixed ring 2 is stretched, a gap between the elastic connecting piece 22 and the outer wall of the box body 1 is enlarged, and the pressure in the gap is reduced, a negative pressure state is formed, and because the side wall of the box body 1 is provided with the semicircular through hole 15, the pressure in the box body 1 also begins to be gradually reduced; the edge of the thin film 6 is placed into the groove 35, then the twisting rod 322 is rotated upwards, due to the characteristics of the flexible shaft 32, the flexible shaft 32 is also rotated in the process that the twisting rod 322 is rotated upwards, the fixture block 321 arranged on the flexible shaft 32 is gradually close to the direction of the box body 1, so that the gap between the fixture block 321 and the annular groove 31 is reduced, and the thin film 6 is clamped and fixed; when the printing ink in the ink box is used up and needs to be cleaned, because the second air channel 61 in the film 6 is communicated with the second cavity 51 in the elastic pad 5, when the elastic pad 5 is squeezed, the second cavity 51 in the elastic pad 5 is squeezed, so that the pressure in the second cavity 51 is increased, the pressure of the second air channel 61 in the film 6 is increased, the film 6 is elastically deformed, under the condition that the elastic pad 5 is continuously pressed, the film 6 is continuously deformed, the printing ink adhered to the film 6 gradually falls off in the deformation of the film 6, and the film 6 is convenient to clean, and meanwhile, when the film 6 is installed, the film 6 is deformed by pressing the elastic pad 5, so that the film 6 can be tightly attached to the inner wall of the box body 1; the rubber ring 33 is provided with the balls 34, so that friction force can be effectively reduced when the moving ring 3 is in contact with the blocking ring 4, the moving ring 3 can move upwards conveniently, meanwhile, after the moving ring 3 is in contact with the blocking ring 4, the balls 34 arranged on the rubber ring 33 are squeezed, one side of the rubber ring 33, which is close to the moving ring 3, is protruded, because the fixture block 321 on the flexible shaft 32 clamps the film 6, the opening of the fixture block 321 faces the rubber ring 33, and the protrusion on the rubber ring 33 is clamped into the opening on the fixture block 321; when the moving ring 3 moves onto the blocking ring 4, the blocking ring 4 is squeezed by the moving ring 3, so that the pressure in the first cavity 41 in the blocking ring 4 is increased, and the elastic pad 5 is deformed due to the fact that the first cavity 41 is communicated with the second cavity 51 through the first air channel 14 and the pressure in the second cavity 51 is increased, so that the elastic pad 5 is in closer contact with the film 6; after the printing ink is filled in the ink box, the box cover 7 is arranged on the box body 1, so that the printing ink in the box body 1 can be prevented from being poured out, and meanwhile, the film 6 can be more closely attached to the inner wall of the opening of the box body 1 through the clamping of the clamping groove 71 on the box cover 7; after the box cover 7 is installed on the box body 1, the fixing rope 21 installed on the fixing ring 2 of the box body 1 is clamped on the rope hanging plate 72 on the box cover 7, and the connection effectiveness between the box cover 7 and the box body 1 is guaranteed.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An ink cartridge comprising a cartridge body (1), characterized in that: a fixing ring (2) is arranged on the outer side of the box body (1); a moving ring (3) is arranged above the fixed ring (2); an elastic connecting piece (22) is arranged between the fixed ring (2) and the movable ring (3); the lower end of the elastic connecting piece (22) is fixedly connected with the upper surface of the fixing ring (2); the upper end of the elastic connecting piece (22) is fixedly connected with the upper surface of the moving ring (3); the moving ring (3) can move up and down along the side wall of the box body (1); a gap is formed between the elastic connecting piece (22) and the outer wall of the box body (1), and the gap is kept in a sealing state with the outside; semicircular through holes (15) are uniformly formed in the side wall of the box body (1); the semicircular through hole (15) penetrates through the side wall of the box body (1); the semicircular through hole (15) is positioned below the elastic connecting piece (22); a first channel (11) is arranged in the box body (1); the number of the first channels (11) is three, and the first channels are uniformly distributed in the bottom surface of the box body (1); the outlet of the first channel (11) is positioned on the lower surface of the box body (1); one ends of the first channels (11) close to the center of the box body (1) are communicated with each other; a second channel (16) is arranged in the box body (1); the number of the second channels (16) is three, and the second channels are uniformly distributed in the bottom surface of the box body (1); the second channel (16) and the first channel (11) are alternately distributed, and the second channel (16) is communicated with the first channel (11); a first vent hole (161) is formed in the second channel (16); the first vent hole (161) is communicated with the interior of the box body (1) and the second channel (16); a sliding block (12) is arranged in the first channel (11); the sliding block (12) and the first channel (11) are sealed; a pull rope (13) is fixedly connected to the sliding block (12); the other end of the pull rope (13) is fixedly connected to the side wall of the movable ring (3); a thin film (6) covers the box body (1), and the thin film (6) is sunken towards the inside of the box body (1); the edge of the film (6) is fixedly connected with the moving ring (3); the printing ink is stored until the film (6) is positioned at the concave part in the box body (1); a fixed rope (21) is fixedly arranged on the fixed ring (2); the number of the fixing ropes (21) is four, and the fixing ropes are uniformly distributed on the outer side surface of the fixing ring (2);

the box body (1) is provided with an elastic pad (5); the elastic pad (5) is positioned at an opening above the box body (1); the elastic pad (5) is bonded with the box body (1) through glue; the elastic cushion (5) is annular, and a second cavity (51) is formed in the elastic cushion; the upper surface of the elastic cushion (5) is uniformly provided with a second vent hole (52); a cavity is arranged in the film (6), and the cavity is combined into a second air passage (61) in the film (6); a third vent hole (62) is formed in the edge of the thin film (6); the vent hole III (62) is communicated with the air passage II (61); when the film (6) is completely sunk into the box body (1), the vent holes III (62) at the edge of the film (6) are superposed and communicated with the vent holes II (52) on the elastic cushion (5);

the ink box also comprises a box cover (7); a clamping groove (71) is formed in the box cover (7); the clamping groove (71) can be clamped to the upper opening of the box body (1), and the box body (1) and the box cover (7) form sealing;

a rope hanging plate (72) is arranged on the side surface of the box cover (7); the number of the rope hanging plates (72) is four, and the rope hanging plates are uniformly distributed on the box cover (7); an oblique upward barb is arranged on the rope hanging plate (72); the fixed rope (21) can be fixed by a rope hanging plate (72).

2. The ink cartridge as claimed in claim 1, wherein: the upper surface of the moving ring (3) is provided with an annular groove (31); a flexible shaft (32) is arranged in the annular groove (31); a fixture block (321) is fixedly arranged on the flexible shaft (32); the clamping blocks (321) are in multiple groups and are uniformly distributed on the flexible shaft (32); the thin film (6) is fixedly connected to the movable ring (3) through a fixture block (321); a torsion rod (322) is fixedly arranged on the flexible shaft (32); the twisting rod (322) is vertical to the side wall of the box body (1); a groove (35) is formed in the movable ring (3); the twist rod (322) is positioned in the groove (35).

3. The ink cartridge as claimed in claim 1, wherein: the outer side of the box body (1) is provided with a stopping ring (4); the section of the blocking ring (4) is wedge-shaped, and the tip of the wedge-shaped point faces the bottom direction of the box body (1); the blocking ring (4) is made of rubber.

4. The ink cartridge according to claim 2, wherein: the inner side surface of the moving ring (3) is fixedly connected with a rubber ring (33); the rubber ring (33) can be contacted with the fixture blocks (321) on the flexible shaft (32); the rubber ring (33) is provided with a ball (34); the balls (34) can rotate freely on the rubber ring (33); the balls (34) are all positioned on the same plane; the balls (34) are positioned at the upper end of the rubber ring (33); the ball (34) is in contact with the outer side wall of the box body (1).

5. The ink cartridge according to claim 3, wherein: a first cavity (41) is formed in the blocking ring (4); the side wall of the box body (1) is provided with a first air passage (14); the air passages I (14) are multiple in number and are uniformly distributed in the side wall of the box body (1); the first air channel (14) is communicated with the first cavity (41) and the second cavity (51).

6. An ink jet print head, comprising: the ink jet print head is adapted for use with an ink cartridge according to any one of claims 1 to 5.