CN111746141A

CN111746141A - Ink box for ink-jet printing pen

Info

Publication number: CN111746141A
Application number: CN202010751250.4A
Authority: CN
Inventors: 凌冲; 熊博
Original assignee: Optical Core Semiconductor Shenzhen Co ltd
Current assignee: Optical Core Semiconductor Shenzhen Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2020-10-09

Abstract

The invention provides an ink box for an ink-jet printing pen, which comprises an ink box shell and a nozzle assembly, wherein an ink accommodating cavity is arranged in the ink box shell, the nozzle assembly is arranged on one end surface of the ink box shell and is communicated with the accommodating cavity, at least one guide rail is arranged on one side wall of the ink box shell, the guide rail extends along the installation sliding direction of the ink box, and a groove is arranged on the other side wall of the ink box shell and is used for placing a printing circuit board. The ink box is compact in structure, the nozzle assembly is arranged on one end face of the ink box shell, the width of a printing pen is favorably reduced, the ink box shell is convenient to hold by a user when in use, the ink box shell is provided with the groove for accommodating the printing circuit board, the overall size of the printing pen is favorably reduced, and the damage caused by extrusion friction between the printing circuit board and the inner wall of the ink box shell due to the disassembly of the ink box is also avoided.

Description

Ink box for ink-jet printing pen

Technical Field

The invention belongs to the technical field of printing, and particularly relates to an ink box for an ink-jet printing pen.

Background

The ink box is used as a printing consumable material, mainly refers to a part for storing printing ink and finally finishing printing in an ink-jet printer (including an ink-jet type multifunctional all-in-one machine), and is usually applied to daily office printing equipment, and the operation result or the intermediate result of a computer is printed on paper according to a specified format by using numbers, letters, symbols, patterns and the like which can be identified so as to meet the daily office or life requirements of people. However, the existing ink cartridge is basically applied to a printer with a large volume, and is not suitable for a handheld printing pen with a small volume.

Disclosure of Invention

The present invention is directed to overcoming the above-mentioned deficiencies of the prior art and providing an ink cartridge for an inkjet printing pen that is compact and facilitates a reduction in the volume of the printing pen.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention provides an ink box for an ink-jet printing pen, which comprises an ink box shell and a nozzle assembly, wherein an ink accommodating cavity is arranged in the ink box shell, the nozzle assembly is arranged on one end surface of the ink box shell, the nozzle assembly is communicated with the accommodating cavity, at least one guide rail is arranged on one side wall of the ink box shell, the guide rail extends along the installation sliding direction of the ink box, and a groove is arranged on the other side wall of the ink box shell and used for placing a printing circuit board.

Illustratively, the guide rails are two and distributed on the edges of the corresponding side walls.

Furthermore, a clamping protrusion is arranged between the two guide rails.

Illustratively, the clamping protrusion is close to one end of the spray head assembly and is located in the middle of the two guide rails.

Furthermore, the surface of the clamping projection facing the mounting direction is an inclined surface.

Illustratively, the side wall of the groove is opposite to the side wall of the guide rail.

Furthermore, the ink box is provided with a baffle plate on the periphery of one end of the spray head assembly, the diameter of the cross section of the baffle plate is larger than that of the ink box shell, and a step is formed at the joint of the baffle plate and the ink box shell.

Furthermore, an opening is reserved on one side of the baffle corresponding to the groove.

Further, the baffle is higher than the plane of the spray head assembly.

Furthermore, the ink box also comprises a printing circuit board and a power interface board, the printing circuit board is arranged in the groove and is electrically connected with the spray head assembly, the power interface board is arranged on one end surface of the ink box shell opposite to the spray head assembly, and the printing circuit board is electrically connected with the power interface board.

The invention has the beneficial effects that:

the invention provides a nozzle assembly of an ink box for an ink-jet printing pen, which is arranged on one end surface of an ink box shell, the nozzle assembly is communicated with an ink accommodating cavity, one side wall of the ink box shell is provided with at least one guide rail, the guide rail extends along the installation sliding direction of the ink box, the other side wall of the ink box shell is provided with a groove, and the groove is used for placing a printing circuit board. This ink horn compact structure, the shower nozzle subassembly sets up and does benefit to the width that reduces the printing pen in a terminal surface of ink horn casing, and it is handheld when the user of being convenient for uses, and the ink horn casing sets up the recess and holds printed circuit board, does benefit to the whole volume that reduces the printing pen, also avoids dismantling the ink horn and leads to printed circuit board and ink horn shells inner wall extrusion friction and damage.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an ink cartridge for an inkjet printing pen provided in this embodiment.

Fig. 2 is a schematic view of another perspective structure of the ink cartridge for an inkjet printing pen according to the present embodiment.

Fig. 3 is a schematic structural view of a print pen housing for an inkjet print pen according to the present embodiment.

Fig. 4 is a schematic structural view of an ink cartridge accommodating chamber of a printing pen housing for an inkjet printing pen according to the present embodiment.

Fig. 5 is a schematic view of another perspective structure of the ink cartridge for an inkjet printing pen according to the present embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It should be further noted that, in the embodiment of the present invention, the XYZ rectangular coordinate system established in fig. 1 is defined as follows: one side in the positive direction of the X axis is defined as the right side, and one side in the negative direction of the X axis is defined as the left side; one side in the positive direction of the Y axis is defined as the front, and one side in the negative direction of the Y axis is defined as the back; the side in the positive direction of the Z axis is defined as the upper side, and the side in the negative direction of the Z axis is defined as the lower side.

It should be noted that the terms of orientation such as left, right, up and down in the embodiments of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.

Fig. 1 is a schematic structural view of an ink cartridge for an inkjet printing pen provided in this embodiment. Fig. 2 is a schematic view of another perspective structure of the ink cartridge for an inkjet printing pen according to the present embodiment. Referring to fig. 1 and 2, an ink cartridge 10 for an inkjet printing pen according to the present invention includes a cartridge housing 100 and a nozzle assembly 101, an ink receiving chamber (not shown) is disposed in the cartridge housing 100, the nozzle assembly 101 is disposed on an end surface of the cartridge housing 100, the nozzle assembly 101 is communicated with the receiving chamber, so that ink can be ejected from the nozzle assembly 101 for printing, at least one guide rail 102 is disposed on a sidewall of the cartridge housing 100, the guide rail 102 extends along a sliding direction of the cartridge 10, and a groove 103 is disposed on another sidewall of the cartridge housing 100, and the groove 103 is used for accommodating a printed circuit board 104. In this embodiment, the ink cartridge housing 100 is a rectangular parallelepiped, the nozzle assembly 101 is disposed on the smaller end surface of the ink cartridge housing 100, the ink cartridge 10 extends along the length direction of the printing pen, and the nozzle assembly 101 is located at the end of the printing pen, so that the user can print with the printing pen held by hand. Of course, in other embodiments, the shape of the ink cartridge 10 may be other shapes, and may be adjusted according to actual needs, and is not limited specifically here. In this embodiment, the mounting sliding direction is the X direction.

The nozzle assembly 101 of the ink cartridge of this embodiment is disposed on an end surface of the cartridge housing 100, and the nozzle assembly 101 is communicated with the ink accommodating chamber, a side wall of the cartridge housing 100 is provided with at least one guide rail 102, the guide rail 102 extends along the sliding direction of the cartridge 10, another side wall of the cartridge housing 100 is provided with a groove 103, and the groove 103 is used for placing the printed circuit board 104. This ink box compact structure, shower nozzle subassembly 101 set up and do benefit to the width that reduces the printing pen in a terminal surface of ink horn casing 100, and it is handheld when the user of being convenient for uses, and ink horn casing 100 sets up recess 103 and holds printing circuit board 104, does benefit to the whole volume that reduces the printing pen, also avoids dismantling the ink horn and leads to printing circuit board 104 and ink horn casing 100 inner wall extrusion friction and damage.

In this embodiment, the nozzle assembly 101 includes a nozzle, which may be a chip-type nozzle, and the chip nozzle is provided with a plurality of nozzles, so that multiple rows can be printed simultaneously, thereby improving the printing efficiency.

Fig. 3 is a schematic structural view of a print pen housing for an inkjet print pen according to the present embodiment. In the embodiment, as shown in fig. 2 and 3, two guide rails 102 are distributed on the edge of the corresponding side wall. The printing pen case 20 is provided with an ink cartridge accommodating chamber 201, and the ink cartridge accommodating chamber 201 is used for accommodating the ink cartridge 20. Two slide ways 200 are arranged on the inner side wall of the accommodating cavity of the printing pen shell 20 corresponding to the two guide rails 102, and when the ink box 10 is installed, the guide rails 102 are placed into the corresponding slide ways 200, and the ink box 10 is pushed into the ink box accommodating cavity 201. The guide rail 102 and the slide rail 200 are matched to slidably mount the ink cartridge 10, and the design of the guide rail 102 and the slide rail 200 not only plays a role in positioning and guiding, so that a user can conveniently determine the corresponding relation between the side wall of the ink cartridge 10 and the inner side wall of the printer pen shell 20, and the problem that the ink cartridge 10 cannot be mounted and mounted after being rotated is solved. Also, the rail 102 may act as a stiffener, increasing the robustness of the cartridge housing 100.

Fig. 4 is a schematic structural view of an ink cartridge accommodating chamber of a printing pen housing for an inkjet printing pen according to the present embodiment. Referring to fig. 2 and 4, in this embodiment, a locking protrusion 105 is disposed between the two guide rails 102, a fixture block assembly 202 is disposed at a position corresponding to the locking protrusion 105 on an inner side wall of the casing 20 of the printing pen, when the ink cartridge 10 is loaded into the ink cartridge accommodating cavity 201, the locking protrusion 105 presses against the fixture block assembly 202, the fixture block assembly 202 bounces under the pressing force of the locking protrusion 105, the ink cartridge 10 continues to slide into the ink cartridge accommodating cavity 201, and when the ink cartridge 10 completely enters the ink cartridge accommodating cavity 201, the fixture block assembly 202 restores to a natural position to lock the locking protrusion 105 of the ink cartridge 10, thereby preventing the ink cartridge 10 from sliding out of the accommodating cavity.

Referring to fig. 2, in the present embodiment, the locking protrusion 105 is located near one end of the nozzle assembly 101 and is located at the middle position between the two guide rails 102. The clamping protrusion 105 is arranged at the middle position of the two guide rails 102, so that the ink box 10 is easy to mount and dismount, the clamping protrusion 105 is evenly stressed, the sliding balance of the ink box 10 is facilitated, and the mounting and dismounting are smoother. In this embodiment, the surface of the locking protrusion 105 facing the mounting direction X is an inclined surface, which is beneficial to reduce the resistance when the locking protrusion 105 presses the latch assembly 202, so that the locking protrusion 105 can smoothly slide over the latch assembly 202 to fix the ink cartridge 10.

As shown in fig. 1 and 2, the side wall of the groove 103 is opposite to the side wall of the guide rail 102. Of course, in other embodiments, the groove 103 may be disposed on a side wall adjacent to the guide rail 102, and is not limited herein.

Fig. 5 is a schematic view of another perspective structure of the ink cartridge for an inkjet printing pen according to the present embodiment. Referring to fig. 1 and 5, in the present embodiment, a baffle 106 is disposed on the periphery of the head assembly 101 of the ink cartridge 10, the baffle 106 has a larger cross-sectional diameter than the cartridge housing 100, and a step 1060 is formed at the connection between the baffle 106 and the cartridge housing 100. When the ink cartridge 10 is installed in the ink cartridge accommodating chamber 201 of the printing pen housing 20, the step 1060 of the baffle 106 abuts against the sidewall of the printing pen housing 20, so as to perform a limiting function on one hand, and on the other hand, to increase the strength of the ink cartridge housing 100, thereby preventing the printing pen from being damaged due to careless dropping. In this embodiment, an opening 1061 is left on a side of the baffle 106 corresponding to the recess 103, and the opening 1061 facilitates the flexible circuit board 1010 of the nozzle assembly 101 to be bent and placed in the recess 103, so as to be better electrically connected to the printed circuit board 104.

As shown in fig. 2, the baffle 106 is higher than the plane of the nozzle assembly 101, so that the nozzle assembly 101 is located in the space enclosed by the baffle 106, and even if a printing pen drops carelessly during printing, the printing pen cannot directly fall onto the nozzle assembly 101 to affect the normal use of the printing pen.

Referring to fig. 4 and 5, in the present embodiment, the ink cartridge 10 further includes a printed circuit board 104 and a power interface board 107, the printed circuit board 104 is disposed in the recess 103 and electrically connected to the head assembly 101, the power interface board 107 is disposed on an end surface of the cartridge housing 100 opposite to the head assembly 101, and the printed circuit board 104 and the power interface board 107 are electrically connected. The power interface board 107 is provided with a first power interface 1070, the end surface of the ink cartridge accommodating chamber 201 corresponding to the first power interface 1070 is provided with a second power interface 203, and the first power interface 1070 and the second power interface 203 are of a primary-secondary structure, so that the insertion is more stable. The power interface board 107 is disposed on the end surface of the ink cartridge 10, so that the first power interface 1070 and the second power interface 203 are plugged to electrically connect when the ink cartridge 10 is installed in the ink cartridge accommodating chamber 201, and the operation is very simple and the design is ingenious.

Referring to fig. 1, a magnet is disposed between a nozzle assembly 101 of the ink cartridge 10 and the cartridge case 100, the magnet is fixed to both sides of the water outlet of the cartridge case 100, the magnet is disposed on the ink cartridge 10 to be magnetically fixed to a matching pen cap, and a magnet is disposed at a position corresponding to the pen cap to attract the pen cap.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides an ink horn for inkjet printing pen, its characterized in that, includes ink horn casing and shower nozzle subassembly, be provided with ink holding chamber in the ink horn casing, the shower nozzle subassembly set up in on the terminal surface of ink horn casing, just the shower nozzle subassembly with holding chamber intercommunication, a lateral wall of ink horn casing is provided with an at least guide rail, the guide rail is followed ink horn installation slip direction extends, another lateral wall of ink horn casing is provided with the recess, the recess is used for placing printed circuit board.

2. The ink cartridge as claimed in claim 1, wherein the guide rails are two and are disposed at edges of the corresponding sidewalls.

3. The ink cartridge as claimed in claim 2, wherein a snap projection is provided between the two guide rails.

4. The ink container as claimed in claim 3, wherein said locking protrusion is located near one end of said head assembly at a position intermediate said two guide rails.

5. The ink cartridge as claimed in claim 4, wherein a surface of said catch in the mounting direction is an inclined surface.

6. The ink cartridge as claimed in claim 2, wherein a side wall of the recess is opposite to a side wall of the guide rail.

7. The ink cartridge as claimed in claim 1, wherein a baffle is provided around an end of the ink cartridge where the head assembly is provided, the baffle has a cross-sectional diameter larger than a cross-sectional diameter of the cartridge case, and a step is formed at a connection of the baffle and the cartridge case.

8. The ink cartridge as claimed in claim 7, wherein an opening is left in a side of the shutter corresponding to the recess.

9. The ink container of claim 7, wherein said baffle is above a plane of said printhead assembly.

10. The ink cartridge as claimed in claim 1, further comprising a print circuit board disposed in the recess and electrically connected to the head assembly, and a power interface board disposed on an end surface of the cartridge housing opposite to the head assembly, the print circuit board and the power interface board being electrically connected.