CN110116557A - A kind of print cartridge of Portable hitting printing apparatus - Google Patents

Abstract

The invention discloses an ink cartridge of a portable printing device, which comprises a casing for filling printing ink, a printing nozzle is arranged on the casing, and the printing nozzle is electrically connected with a PCB circuit board; the ink cartridge is adapted to other components of the printing device After the connection, at least one side of the housing becomes a part of the printing device casing, and the side of the casing that becomes the printing device casing is recorded as the outer surface. In this application, by making one of the sides of the casing a part of the casing of the portable printing device, that is, the casing of the ink cartridge is integrally formed with a part of the casing of the printing device, and connected with other components as a whole, so that there is no need to separately make a box for fixing the ink cartridge , the structure is simple; and according to the size of the designed printer, the shape and size of the ink cartridge are specifically modified, and the adaptability is strong. The body of the printing device can be designed to be smaller, more dexterous, and easy to carry.

Description

Ink cartridge for a portable printing device

technical field

The invention belongs to the technical field of printing equipment, and in particular relates to an ink box of a portable printing equipment.

Background technique

Traditional printers include a shell and an ink cartridge or toner cartridge installed in the shell. Due to the large volume of the ink cartridge and the long stroke of the ink cartridge, the overall volume of the printer is large and heavy. It is usually placed in a fixed position, which is inconvenient to carry around and is not suitable for mobile office. .

For this reason, relatively small ink cartridges have appeared, and correspondingly, portable handheld inkjet printers have appeared. Design a matching shell, and then set the ink cartridge in the shell of the printer. Due to the fixed shape of the ink cartridge, the ink cartridge cannot be combined with the shell of the printer for integral design, and the portable printer has a large volume, so the printer has a single structure and shape and poor adaptability.

Contents of the invention

The purpose of the present invention is to provide an ink cartridge for a portable printing device, which solves the problem that the ink cartridge described in the prior art is a purchased part, the ink cartridge is arranged in the shell of the printer, and the ink cartridge cannot be integrated with the shell of the printer for integral design. The technical problems of large volume, single structure and shape and poor adaptability of the printer are caused.

In order to solve this technical problem, the present invention adopts following technical scheme:

An ink cartridge for a portable printing device, comprising a casing for filling printing ink, a printing nozzle is arranged on the casing, and the printing nozzle is electrically connected to a PCB circuit board; after the ink cartridge is adapted and connected with other parts of the printing device, the casing If at least one side of the body becomes a part of the casing of the printing device, the side of the casing that becomes the casing of the printing device is recorded as the outer surface.

The manufacturing process of ink cartridges is complicated, and most manufacturers cannot independently develop and manufacture them. They all purchase ink cartridges from manufacturers that specialize in the production of ink cartridges according to needs. meet the requirements of most people. Manufacturers of printers have to change the structure, shape, and even the corresponding parameters of the corresponding products in order to adapt to the ink cartridges of fixed specifications. For example, for the existing portable handheld inkjet printers, the manufacturers basically buy the existing core boxes, and then separately make the housing for the core boxes and adapt them. The structure is complex, the volume is large, the specifications are single, and the applicability poor.

In this application, by designing one or several sides of the casing as a part of the casing of the portable printing device, that is, the casing of the ink cartridge is integrally formed with part of the casing of the printing device, and connected with other parts as a whole, without the need for separate manufacturing The box for fixing the ink cartridge has a simple structure; and according to the size of the designed printer, the shape and size of the ink cartridge can be modified in detail, which is highly adaptable, and the body of the printing device can be designed to be smaller, more dexterous, and easy to carry.

As a further improvement, the outer surface of the casing is an outwardly convex arc surface, and the end surface is arched. After the ink cartridge is adapted and connected with other parts of the printing device, the outer surface and other parts of the shell transition smoothly and become one, with a good grip feeling and beautiful appearance.

As a further improvement, at least one connecting piece adapted to other components of the portable printing device is provided on the housing. By providing fasteners, it is convenient to connect the ink cartridge with other parts of the printing device and improve the overall stability.

As a further improvement, the connecting piece includes a connecting plate, one end of the connecting plate is fixedly connected to the housing, and the other end protrudes outward to form a card platform, and the outer surface of the card platform is an inclined surface.

As a further improvement, the housing is provided with a plurality of reinforcing ribs. The strength of the casing is improved by setting ribs to prevent deformation.

As a further improvement, the housing is in the shape of a cuboid as a whole; when the ink cartridge is placed horizontally, the center line in the length direction is a horizontal line, and the outer surface is one side of the housing and is the top surface, the print head is located at the front end of the housing, and multiple The reinforcing ribs are evenly distributed on the left side and the right side of the casing, and the reinforcing ribs are integrally formed with the casing, and the distance between two adjacent reinforcing ribs is equal. Because the left side and the right side of the casing have relatively large areas, the strength of the casing is improved by arranging a plurality of reinforcing ribs uniformly, and stress concentration does not occur, so that the service life is improved.

As a further improvement, both ends of the outer surface in the length direction extend outward respectively to form a first extension; both ends of the outer surface in the width direction extend outward to form a second extension, and the second extension Bend the vertical face down at the end. Viewed from the bottom along the direction perpendicular to the bottom surface of the housing, the outer surface can cover other parts of the entire housing. On the one hand, the design of the first extension and the second extension facilitates the connection with other parts of the printer housing. Smooth connection; on the other hand, the first extension part covers the print head, so that the connection between the first extension part and other parts of the printer casing is far away from the print head, preventing dust, liquid, etc. from entering the shell from the connection seam and causing printing The printhead is contaminated.

As a further improvement, there are two connecting pieces, which are respectively located on the left and right sides of the casing, the upper end of the connecting plate is fixedly connected to the inner side of the vertical surface, and a depression or a protrusion is provided on the outer surface near the connecting point of the connecting plate . The two connecting parts are arranged symmetrically, so that the structure is stable after the ink cartridge is installed; a depression or a protrusion is provided on the outer surface near the connecting point of the connecting plate as a mark. There is a gap between the end of the connecting plate provided with the card table and the corresponding outer wall of the housing. The connecting plate is an elastic member. When installing the ink cartridge, press the corresponding mark on the vertical surface to the side of the corresponding outer wall of the housing to make the connection When the plate is close to the corresponding outer wall side, the card table is snapped into the buckle corresponding to other parts connected with the ink cartridge. After the pressing is completed, the connecting plate is under the action of restoring force, and the card table and the buckle are firmly combined; when the ink cartridge needs to be disassembled, Also press the corresponding mark on the vertical surface to make the connecting plate approach the corresponding outer wall side, so that the card table can be separated from the buckle, which is easy to operate; the outer surface of the card table is designed as a slope, which is convenient for the card table to be inserted corresponding buckle.

As a further improvement, the reinforcing rib is wedge-shaped, and the outer surface is a slope; viewed along the direction perpendicular to the front end of the shell, the upper end of the reinforcing rib is wide and the lower end is narrow, the upper end is fixedly connected to the inner side of the outer surface, and the outer side of the lower end of the reinforcing rib is inverted. Corner treatment. When the ink cartridge is inserted into the cavity of the corresponding component for assembly, the wedge-shaped reinforcing rib plays a guiding role, and the outer surface of the reinforcing rib abuts against the mounting surface of other connecting parts after fitting and installation, preventing the ink cartridge from shaking and improving stability. Chamfered design for easy installation.

As a further improvement, limit blocks are provided on the front ends of the left and right sides of the housing. When installing the ink cartridge, first insert the front end of the ink cartridge obliquely into the installation groove of the corresponding part. The front end of the bottom surface of the ink cartridge is in contact with the bottom surface of the installation groove, and then push the ink cartridge forward to make it completely snap into the installation groove. During the pushing process, The limit block slides forward along the limit slot, and the limit block acts as a guide to prevent the ink cartridge from being offset during the pushing process and affecting the installation; after the fitting is installed, the limit block is inserted into the corresponding limit hole to prevent the ink cartridge from Shake, improve stability.

Compared with the prior art, the present invention has the following beneficial effects:

In this application, by making one of the sides of the casing a part of the casing of the portable printing device, that is, the casing of the ink cartridge is integrally formed with part of the casing of the printing device, and connected with other components as a whole, there is no need to separately make a box for fixing the ink cartridge , the structure is simple; and according to the designed printer size, the shape and size of the ink cartridge are specifically modified, which is highly adaptable, and the body of the printing device can be designed to be smaller, more dexterous, and easy to carry.

Description of drawings

Figure 1 shows a perspective view of the ink cartridge of the portable printing device of the present invention.

Fig. 2 is a partially enlarged view of part A in Fig. 1 .

Fig. 3 is a front view of Fig. 1 .

Fig. 4 is a partially enlarged view of part B in Fig. 3 .

Fig. 5 is a left side view of Fig. 1 .

FIG. 6 is a rear view of FIG. 1 .

Fig. 7 is a bottom view of Fig. 1 .

Detailed ways

In order to make the purpose and technical solution of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention.

As shown in Figure 1-7, an ink cartridge of a portable printing device includes a casing 1 for filling printing ink, and a printing nozzle 2 is arranged on the casing, and the printing nozzle 2 is electrically connected to a PCB circuit board 3; After the ink cartridge is fitted and connected with other parts of the printing device, one side of the casing becomes a part of the casing of the portable printing device, and this side is marked as the outer surface 9 .

The manufacturing process of ink cartridges is complicated, and most manufacturers cannot independently develop and manufacture them. They all purchase ink cartridges from manufacturers that specialize in the production of ink cartridges according to needs. meet the requirements of most people. Manufacturers of printers have to change the structure, shape, and even the corresponding parameters of the corresponding products in order to adapt to the ink cartridges of fixed specifications. For example, for the existing portable handheld inkjet printers, the manufacturers basically buy the existing core boxes, and then separately make the housing for the core boxes and adapt them. The structure is complex, the volume is large, the specifications are single, and the applicability poor.

In this application, by making one of the sides of the casing a part of the casing of the portable printing device, that is, the casing of the ink cartridge is integrally formed with part of the casing of the printing device, and connected with other components as a whole, there is no need to separately make a box for fixing the ink cartridge , the structure is simple; and according to the size of the designed printer, the shape and size of the ink cartridge can be modified specifically, and the adaptability is strong.

In other embodiments, the housing may have two or more sides that form part of the portable printing device housing.

In this embodiment, the outer surface 9 of the housing is an outwardly convex arc surface, and the end surface is arched. After the ink cartridge is adapted and connected with other parts of the printing device, the outer surface and other parts of the shell transition smoothly and become one, with a good grip feeling and beautiful appearance.

In other embodiments, the outer surface may be in other shapes, depending on the specific shape of the printing device.

In this embodiment, the casing 1 is provided with two connecting pieces 8 for matching with other components of the portable printing device. By providing fasteners, it is convenient to connect the ink cartridge with other parts of the printing device and improve the overall stability.

In this embodiment, the casing 1 is provided with a plurality of reinforcing ribs 7 . Improve the strength of the shell and prevent deformation.

In this embodiment, the casing 1 is in the shape of a cuboid as a whole; when the ink cartridge is placed horizontally, the center line in the longitudinal direction is a horizontal line, and the outer surface is the top surface, the print head is located at the front end of the casing, and a plurality of ribs 7 The reinforcing ribs are uniformly distributed on the left side and the right side of the shell, and the reinforcing ribs are integrally formed with the shell, and the distance between two adjacent reinforcing ribs is equal. Because the left side and the right side of the casing have relatively large areas, the strength of the casing is improved by arranging a plurality of reinforcing ribs uniformly, and stress concentration does not occur, so that the service life is improved.

In other embodiments, the housing can be in other shapes, such as cylindrical.

In this embodiment, the connecting member 8 includes a connecting plate 81 , one end of the connecting plate 81 is fixedly connected to the housing 1 , and the other end protrudes outward to form a card platform 82 , and the outer surface of the card platform is a slope 83 . The two connecting pieces are respectively located on the left and right sides of the housing, the upper end of the connecting plate is fixedly connected to the inner side of the vertical surface 92 , and a depression 92 is provided on the outer surface 9 close to the connecting point of the connecting plate. The two connecting parts are arranged symmetrically so that the structure is stable after the ink cartridge is installed; a depression is provided on the outer surface close to the connecting point of the connecting plate as a mark. There is a gap between the end of the connecting plate provided with the card table and the corresponding outer wall of the housing. The connecting plate is an elastic member. When installing the ink cartridge, press the corresponding mark on the vertical surface to the side of the corresponding outer wall of the housing to make the connection When the board is close to the corresponding outer wall side, the card table is snapped into the buckle corresponding to other parts connected to the ink cartridge. After the pressing is completed, the connecting plate is under the action of restoring force, and the card table is firmly combined with the buckle; when the ink cartridge needs to be disassembled, Also press the corresponding mark on the vertical surface to make the connecting plate approach the corresponding outer wall side, so that the card table can be separated from the buckle, which is easy to operate; the outer surface of the card table is designed as a slope, which is convenient for the card table to be inserted corresponding buckle.

In other embodiments, the mark may be a protrusion, as long as it serves the purpose of reminding the operator to press here.

In other embodiments, the connector 8 can be other structures, such as setting lugs on the housing, opening threaded holes on the lugs, fastening the ink cartridges with other parts by screws, etc., as long as the ink cartridges can be connected with other components. The parts are fastened.

In this embodiment, the two ends of the outer surface 9 along the length direction extend outward respectively to form a first extension; the two ends of the outer surface along the width direction extend outward to form a second extension, and the second extension The ends of the two extensions bend the vertical surface 91 downward. Viewed from the bottom along the direction perpendicular to the bottom surface of the housing, the outer surface can cover other parts of the entire housing. On the one hand, the design of the first extension and the second extension facilitates the connection with other parts of the printer housing. Smooth connection; on the other hand, the first extension part covers the print head, so that the connection between the first extension part and other parts of the printer casing is far away from the print head, preventing dust, liquid, etc. from entering the shell from the connection seam and causing printing The printhead is contaminated.

In this embodiment, the reinforcing rib 7 is wedge-shaped, and the outer surface is a slope; viewed along the direction perpendicular to the front end of the housing, the upper end of the reinforcing rib is wide and the lower end is narrow, and the upper end is fixedly connected with the inner side of the outer surface, and the lower end of the reinforcing rib is The outside is chamfered. When the ink cartridge is inserted into the cavity of the corresponding component for assembly, the wedge-shaped reinforcing rib plays a guiding role, and the outer surface of the reinforcing rib abuts against the mounting surface of other connecting parts after fitting and installation, preventing the ink cartridge from shaking and improving stability. Chamfered design for easy installation.

In this embodiment, both sides of the front end of the housing 1 are provided with limit blocks 11; the two limit blocks are respectively located at the lower edge of the left side and the right side, and the front ends of the limit blocks are chamfered deal with. After the ink cartridge is fitted and installed with other components, the limit block is inserted into the corresponding limit hole to prevent the ink cartridge from shaking and improve stability. Chamfered design for easy installation.

In other embodiments, there may be one or more limit blocks, and their setting positions may be determined according to specific conditions.

In this embodiment, a first through hole 4 for filling printing ink and a second through hole 5 for exhaust are opened on the rear side of the housing 1, the first through hole 4 and the second through hole 5 All communicate with the inner cavity of the shell.

When the printing ink is used up, the casing can be continuously filled with printing ink through the first through hole, thereby improving the utilization rate of the ink cartridge and reducing the cost. In order to increase the speed of filling printing ink, the aperture of the first through hole is larger. In order to prevent the printing ink from leaking out after the ink cartridge is tilted or turned upside down, the first through hole will be blocked after filling the printing ink. However, when printing, the pressure in the housing needs to be greater than or equal to the external pressure to ensure that the printing ink can flow out of the print nozzle smoothly. Therefore, it is necessary to open a second through hole on the housing as an exhaust hole to ensure that the internal and external pressures of the housing are connected. .

In other embodiments, no vent holes may be opened, and when the first through hole is blocked, only one small vent hole may be reserved; multiple vent holes may also be provided.

In this embodiment, a groove 6 is formed on the outer surface of the housing 1, and the groove communicates with the second through hole. The groove is curved. During normal use, a sealing strip is pasted on the outer surface of the housing to cover the opening of the second through hole and most of the surface of the groove, and only keep the groove away from the second through hole. One end of the hole is exposed outside, which is equivalent to the cavity of the shell communicating with the outside through a curved channel, so that even if the ink cartridge is dumped, the printing ink will only flow out along the curved channel before leakage occurs, which greatly reduces the ink leakage from the vent hole. leakage risk.

At the same time, the first extension part blocks the first through hole 4 and the second through hole 5, so that the connection between the first extension part and other parts of the printer casing is far away from the first through hole 4 and the second through hole 5, preventing dust , liquid, etc. enter the interior of the housing from the connecting seam, causing the first through hole 4 and the second through hole 5 to be blocked by contamination.

In other embodiments, the groove may not be provided.

In this embodiment, the casing PCB circuit board 3 is fixedly arranged on the casing, and the control chip of the print head 2 is arranged on the PCB circuit board 3 . The PCB circuit board 3 is used to control the print head, and the PCB circuit board is electrically connected to the control main board of the printer. The PCB circuit board is a flexible circuit board, L-shaped, and includes a horizontal section and a vertical section, wherein the horizontal section is fixed on the bottom surface of the housing, and is vertically fixed on the front end of the housing. A plurality of metal contacts 31 for electrically connecting the control board of the printer are arranged on the horizontal section. In this application, the printing head and the PCB circuit board are directly fixed on the casing, which has a compact structure, saves installation space, and reduces costs.

In other embodiments, the PCB circuit board and the housing can also be designed separately; similarly, the control chip of the print head and the PCB circuit board can also be designed separately.

What is not specifically described in the present invention is the prior art or can be realized through the prior art, and the specific implementation cases described in the present invention are only preferred implementation cases of the present invention, and are not used to limit the implementation of the present invention scope. That is, all equivalent changes and modifications made according to the content of the patent scope of the present invention should be regarded as the technical scope of the present invention.

Claims (10)

1. a kind of print cartridge of Portable hitting printing apparatus, which is characterized in that including the shell for filling stamping ink, be arranged on shell There is printing head, printing head is electrically connected with PCB circuit board；

After the print cartridge is adapted to connection with the other component of printing device, at least one side of shell becomes the printing device shell A part, by shell become printing device shell side be denoted as outer surface.

2. the print cartridge of Portable hitting printing apparatus according to claim 1, which is characterized in that the outer surface of the shell be to The cambered surface of outer lug, end face are domed.

3. the print cartridge of Portable hitting printing apparatus according to any one of claim 1 or 2, which is characterized in that the shell On at least provided with one for and Portable hitting printing apparatus other component be adapted to connector.

4. the print cartridge of Portable hitting printing apparatus according to claim 3, which is characterized in that the connector includes connection One end of plate, connecting plate is fixedly connected with the casing, and other end outwardly convex forms chuck, and the lateral surface of chuck is inclined-plane.

5. the print cartridge of Portable hitting printing apparatus according to claim 4, which is characterized in that be provided on the shell multiple Reinforcing rib.

6. the print cartridge of Portable hitting printing apparatus according to claim 5, which is characterized in that the shell is integrally in cuboid Shape；

When print cartridge is horizontal positioned, the center line of print cartridge length direction is horizontal line, and outer surface is a side of shell, and is top When face, printing head is located at the front end of shell, and multiple reinforcing ribs are distributed on the left side and right side of shell.

7. the print cartridge of Portable hitting printing apparatus according to claim 6, which is characterized in that the outer surface is along its length Both ends extend outwardly respectively；

The both ends of the outer surface in the width direction extend outwardly, and the end of extension bends downward into vertical plane.

8. the print cartridge of Portable hitting printing apparatus according to claim 7, which is characterized in that the connector is two, point Not Wei Yu shell left and right side, the upper end of connecting plate and fixedlying connected to the inner side for vertical plane connect on outer surface close to connecting plate Recess or protrusion are provided at point.

9. the print cartridge of Portable hitting printing apparatus according to claim 8, which is characterized in that the reinforcing rib is wedge shaped, Lateral surface is inclined-plane；Observed along the direction of vertical shell front end face, reinforcing rib upper end is wide, and lower end is narrow, upper end and outer surface it is interior Side is connected.

10. the print cartridge of Portable hitting printing apparatus according to claim 9, which is characterized in that the shell left side and the right side The front end of side is provided with limited block.