Ink box capable of preventing installation with cover

Abstract

The utility model discloses an ink box capable of preventing installation with a cover. The ink box comprises a box main body and a protective cover. The cartridge body is provided with an ink cavity, the lower portion of the cartridge body is provided with an ink outlet portion, the ink outlet portion is provided with an ink outlet channel, the ink outlet channel is communicated with the ink cavity, the ink outlet portion is further provided with a sealing plug, the sealing plug is provided with an ink outlet hole communicated with the ink outlet channel, and the protective cover is detachably installed on the ink outlet portion and blocks the ink outlet hole. Wherein a mounting interference part is arranged on the periphery of the protective cover, and the mounting interference part is a convex block arranged on the periphery of the protective cover. According to the ink box, the phenomenon that the ink box is installed on the printing equipment on the premise that a user does not dismantle the protective cover can be effectively avoided.

Description

Technical Field

[0001] The utility model relates to an ink cartridge, in particular to an ink cartridge which can be prevented from being installed with a cover. Background Art

[0002] There is an ink cartridge, whose lower part is provided with an ink outlet portion, the ink outlet portion is provided with an ink outlet channel for outputting ink, and the ink outlet portion is also provided with a sealing plug, and the sealing plug is provided with an ink outlet hole connected to the ink outlet channel. When the ink cartridge is used, it needs to be installed on a printing device, and the printing device is provided with an ink suction head. When the ink cartridge is installed, it is necessary to install and fix the lower part of the ink cartridge to the installation slot corresponding to the printing device, and make the ink suction head cooperate with the ink outlet hole of the sealing plug. When the ink cartridge is transported, in order to better avoid ink leakage, some ink cartridges are also provided with a protective cover, which is installed on the ink outlet portion and blocks the ink outlet hole. Since there are currently ink cartridges with protective covers and ink cartridges without protective covers, users are easily confused when installing the ink cartridges, and often directly install the ink cartridges without removing the protective covers, which not only cannot be used normally, but also easily damages the ink suction head of the printing device. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides an ink cartridge that can prevent installation with a cover.

[0004] According to an embodiment of the utility model, an ink cartridge that can be prevented from being installed with a cover comprises: a cartridge body, which is provided with an ink cavity; an ink outlet portion is provided at the lower portion of the cartridge body; the ink outlet portion is provided with an ink outlet channel, the ink outlet channel is connected to the ink cavity; the ink outlet portion is further provided with a sealing plug, the sealing plug is provided with an ink outlet hole connected to the ink outlet channel; a protective cover, which is detachably mounted on the ink outlet portion and blocks the ink outlet hole; wherein an installation interference portion is provided on the periphery of the protective cover, and the installation interference portion is a protrusion provided on the periphery of the protective cover.

[0005] An ink cartridge that prevents installation with a cover according to an embodiment of the utility model has at least the following beneficial effects: by providing an installation interference portion on the periphery of the protective cover, the periphery of the protective cover has a protruding portion, and when the ink cartridge is installed without removing the protective cover, the installation interference portion is used to interfere with the installation slot of the printing device, so that the ink cartridge cannot be installed into the installation slot of the printing device. Since the ink cartridge cannot be installed into the installation slot, the ink cartridge cannot be fixed, and the user can clearly find that the ink cartridge cannot be installed correctly, thereby effectively avoiding the situation where the ink cartridge is forcibly installed and the ink suction head of the printing device is damaged.

[0006] According to some embodiments of the present invention, the installation interference portion is at least arranged on the left, right and lower sides of the outer circumference of the protection cover.

[0007] According to some embodiments of the present invention, the installation interference portion is a flange edge extending along the circumferential direction and arranged on the outer periphery of the protective cover.

[0008] According to some embodiments of the utility model, a default portion is provided on the front side of the lower portion of the box body, the default portion having a rear wall surface and a top wall surface, the ink outlet portion is provided on the rear wall surface, a flat connection portion is provided on the upper side of the protective cover, a mating end surface is provided at the upper end of the flat connection portion, and the mating end surface is adapted and matched with the portion of the top wall surface corresponding to the ink outlet portion.

[0009] According to some embodiments of the utility model, the installation interference portion is an arc convex edge extending circumferentially on the outer circumference of the protective cover, the arc convex edge has two ends and is respectively connected to the left and right ends of the butt joint, and the distance L from the mating end surface of the butt joint to the central axis of the protective cover is smaller than the distance R from the outer circumference of the arc convex edge to the central axis of the protective cover.

[0010] According to some embodiments of the utility model, the ink outlet portion includes a column portion and a fixed sleeve, the ink outlet channel is arranged in the column portion, the fixed sleeve is installed on the column portion, and the fixed sleeve is used to limit the sealing plug from falling out of the ink outlet channel.

[0011] According to some embodiments of the utility model, a flange portion is provided at the front end of the sealing plug, the ink outlet channel passes through the front end surface of the column portion and forms an opening, the sealing plug is installed on the ink outlet channel through the opening, the flange portion of the sealing plug abuts against the periphery of the opening, the fixing sleeve is sleeved and fixed on the column portion, and the fixing sleeve and the column portion clamp and fix the flange portion of the sealing plug.

[0012] According to some embodiments of the utility model, a channel wall of the ink outlet channel is provided with a limiting portion, and the limiting portion is used to abut against the rear end of the sealing plug and limit the sealing plug.

[0013] According to some embodiments of the utility model, a first latching protrusion is provided on the outer periphery of the column portion, and the fixing sleeve is provided with a default opening running through the inner and outer sides, a snap-fitting portion is formed on the rear side of the default opening, and the snap-fitting portion is snap-fitted on the rear side of the first latching protrusion.

[0014] According to some embodiments of the utility model, the protective cover has a sleeve hole and is sleeved on the fixing sleeve, the inner wall of the protective cover is provided with a clamping ring, the outer periphery of the fixing sleeve is provided with a second clamping protrusion, and the clamping ring is clamped on the rear side of the second clamping protrusion.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0017] Figure 1 It is a three-dimensional schematic diagram of an embodiment of the utility model;

[0018] Figure 2 This is a three-dimensional schematic diagram of an embodiment of the utility model after the protective cover is removed;

[0019] Figure 3 A partial cross-sectional view of an embodiment of the utility model;

[0020] Figure 4 A three-dimensional schematic diagram of a protective cover according to an embodiment of the utility model;

[0021] Figure 5 A view of an embodiment of the utility model observed from the front to the back;

[0022] Figure 6 It is a schematic diagram of the exploded ink outlet portion of an embodiment of the utility model.

[0023] Reference numerals:

[0024] Box body 100, ink chamber 110, ink outlet portion 120, default portion 130, ink outlet channel 121, sealing plug 122, column portion 123, fixing sleeve 124, limiting portion 125, ink outlet hole 1221, flange portion 1222, first clamping protrusion 1231, default opening 1241, clamping fitting portion 1242, second clamping protrusion 1243, rear side wall surface 131, top side wall surface 132;

[0025] The protection cover 200 has an interference portion 210 , a flat portion 220 , a matching end surface 221 , and a convex ring 230 . DETAILED DESCRIPTION

[0026] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0027] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0029] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0030] Reference Figures 1 to 6 , an ink cartridge that prevents installation with a cover, comprising: a cartridge body 100 and a protective cover 200. The cartridge body 100 is provided with an ink cavity 110, and an ink outlet portion 120 is provided at the lower portion of the cartridge body 100, and the ink outlet portion 120 is provided with an ink outlet channel 121, and the ink outlet channel 121 is connected to the ink cavity 110, and the ink outlet portion 120 is also provided with a sealing plug 122, and the sealing plug 122 is provided with an ink outlet hole 1221 connected to the ink outlet channel 121, and the protective cover 200 is detachably installed on the ink outlet portion 120 and blocks the ink outlet hole 1221. Among them, the outer periphery of the protective cover 200 is provided with an installation interference portion 210, and the installation interference portion 210 is a convex block provided on the outer periphery of the protective cover 200. By providing an installation interference portion 210 on the periphery of the protective cover 200, the periphery of the protective cover 200 has a protruding portion. When the ink cartridge is installed without removing the protective cover 200, the installation interference portion 210 is used to interfere with the installation slot of the printing device, so that the ink cartridge cannot be installed into the installation slot of the printing device. Since the ink cartridge cannot be installed into the installation slot, the ink cartridge cannot be fixed, and the user can clearly find that the ink cartridge cannot be installed correctly, thereby effectively avoiding forced installation of the ink cartridge and causing damage to the ink suction head of the printing device.

[0031] In the embodiment, the installation interference portion 210 is at least arranged on the left, right and lower sides of the outer periphery of the protection cover 200. With the above structure, it can be fully ensured that the installation interference portion 210 interferes with the installation slot of the printing device. Of course, it is conceivable that in some embodiments, the installation interference portion 210 can also be arranged at a suitable position as required, as long as it can interfere with the installation slot of the printing device.

[0032] In the embodiment, the installation interference portion 210 is a flange edge extending circumferentially on the outer periphery of the protective cover 200, which has a relatively simple structure and is easy to implement. Of course, it is conceivable that the installation interference portion 210 can also be a convex block of other shapes, which can be specifically configured according to actual conditions.

[0033] In the embodiment, the installation interference portion 210 is disposed at one end of the protective cover 200 along the axial direction. It is conceivable that the installation interference portion 210 may also be disposed at other positions and is not limited to the embodiments shown in the drawings.

[0034] In the embodiment, a default portion 130 is provided at the front side of the lower part of the box body 100, and the default portion 130 has a rear wall surface 131 and a top wall surface 132, and the ink outlet portion 120 is provided on the rear wall surface 131, and a flat portion 220 is provided at the upper side of the protective cover 200, and a matching end surface 221 is provided at the upper end of the flat portion 220, and the matching end surface 221 and the part of the top wall surface 132 corresponding to the ink outlet portion 120 are adapted and matched with each other. With the above structure, the protective cover 200 can be positioned by means of the flat portion 220, and the protective cover 200 is stably installed.

[0035] In the embodiment, the installation interference portion 210 is a circular arc convex edge extending along the circumferential direction and arranged on the outer circumference of the protective cover 200. The circular arc convex edge has two ends and is respectively connected to the left and right ends of the flat connection portion 220. The distance L from the mating end surface 221 of the flat connection portion 220 to the central axis of the protective cover 200 is smaller than the distance R from the outer circumference of the circular arc convex edge to the central axis of the protective cover 200 (that is, the radius of the circular arc convex edge). Therefore, the protective cover 200 cannot be installed to the ink outlet portion 120 when the angle position is adjusted, which can prevent the protective cover 200 from being installed incorrectly, and ensure that the protective cover 200 can play a corresponding role in protecting against ink leakage and preventing the belt cover from being installed on the printing device. The central axis of the protective cover 200 is indicated by A in the figure.

[0036] In the embodiment, the ink outlet portion 120 includes a column portion 123 and a fixing sleeve 124, the ink outlet channel 121 is provided at the column portion 123, the fixing sleeve 124 is installed at the column portion 123, and the fixing sleeve 124 is used to limit the sealing plug 122 from being removed from the ink outlet channel 121. With the above structure, the sealing plug 122 is limited by the fixing sleeve 124, and the sealing plug 122 is firmly installed.

[0037] In the embodiment, the front end of the sealing plug 122 is provided with a flange portion 1222, the ink outlet channel 121 is connected to the front end surface of the column portion 123 and forms an opening, the sealing plug 122 is installed on the ink outlet channel 121 through the opening, the flange portion 1222 of the sealing plug 122 abuts against the periphery of the opening, the fixing sleeve 124 is sleeved and fixed on the column portion 123, and the fixing sleeve 124 and the column portion 123 clamp and fix the flange portion 1222 of the sealing plug 122. With the above structure, the sealing plug 122 can be stably fixed.

[0038] In the embodiment, the channel wall of the ink outlet channel 121 is provided with a limiting portion 125, which is used to abut against the rear end of the sealing plug 122 and limit the sealing plug 122. With the above structure, the sealing plug 122 can be prevented from being inserted deep into the ink outlet channel 121 when mating with the outside.

[0039] In the embodiment, the outer periphery of the column portion 123 is provided with a first locking protrusion 1231, the fixing sleeve 124 is provided with a default opening 1241 penetrating the inner and outer sides, and a snap-fitting portion 1242 is formed at the rear side of the default opening 1241, and the snap-fitting portion 1242 is snap-fitted at the rear side of the first locking protrusion 1231. With the above structure, the fixing sleeve 124 can be fixed to the column portion 123 with a simple structure. Of course, it is conceivable that the fixing sleeve 124 is not limited to being fixed with the above structure, for example, it can be fixed by means of interference fit of sleeve connection or threaded connection, etc.

[0040] In the embodiment, two first clamping protrusions 1231 are symmetrically arranged on the left and right, and two default openings 1241 and two clamping fitting parts 1242 are also arranged correspondingly, so that the clamping is stable. Of course, the number of the first clamping protrusions 1231, the default openings 1241 and the clamping fitting parts 1242 is not limited to two, and those skilled in the art can specifically set their numbers according to actual conditions.

[0041] In the embodiment, the protective cover 200 has a sleeve hole and is sleeved on the fixing sleeve 124, the inner wall surface of the protective cover 200 is provided with a convex ring 230, the outer periphery of the fixing sleeve 124 is provided with a second convex 1243, and the convex ring 230 is clamped on the rear side of the second convex 1243. With the above structure, the protective cover 200 can be fixed to the ink outlet 120 with a simple structure. It is conceivable that the protective cover 200 is not limited to being fixed by the above structure, for example, it can be fixed by interference fit, threaded connection, etc.

[0042] In the embodiment, four second latching protrusions 1243 are evenly arranged along the circumferential direction; of course, it is conceivable that the number of second latching protrusions 1243 is not limited to four, and those skilled in the art can configure it according to actual conditions.

[0043] In the embodiment, the protective cover 200 is provided with a blocking column, which is inserted into the ink outlet hole 1221 of the sealing plug 122, so as to achieve blocking of the ink outlet hole 1221. Of course, in some embodiments, the protective cover 200 can also block the ink outlet hole 1221 by end face blocking or closed cavity blocking, etc., without being limited to the embodiments shown in the drawings.

[0044] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0045] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. An ink cartridge that prevents installation with a cover, characterized in that: include: A box body (100) is provided with an ink cavity (110); an ink outlet portion (120) is provided at the lower portion of the box body (100); the ink outlet portion (120) is provided with an ink outlet channel (121); the ink outlet channel (121) is communicated with the ink cavity (110); the ink outlet portion (120) is further provided with a sealing plug (122); the sealing plug (122) is provided with an ink outlet hole (1221) communicated with the ink outlet channel (121); A protective cover (200) is detachably mounted on the ink outlet portion (120) and blocks the ink outlet hole (1221); Wherein, a mounting interference portion (210) is provided on the outer periphery of the protection cover (200), and the mounting interference portion (210) is a protrusion provided on the outer periphery of the protection cover (200).

2. The ink cartridge for preventing installation with a cover according to claim 1, characterized in that: The installation interference portion (210) is at least arranged on the left, right and lower sides of the outer circumference of the protection cover (200).

3. The ink cartridge for preventing installation with a cover according to claim 1 or 2, characterized in that: The installation interference portion (210) is a flange edge extending along the circumferential direction and arranged on the outer periphery of the protection cover (200).

4. The ink cartridge for preventing installation with a cover according to claim 1, characterized in that: A default portion (130) is provided on the front side of the lower portion of the box body (100), and the default portion (130) has a rear wall surface (131) and a top wall surface (132). The ink outlet portion (120) is provided on the rear wall surface (131). A flat portion (220) is provided on the upper side of the protective cover (200), and a matching end surface (221) is provided at the upper end of the flat portion (220). The matching end surface (221) is adapted to and cooperates with the portion of the top wall surface (132) corresponding to the ink outlet portion (120).

5. The ink cartridge for preventing installation with a cover according to claim 4, characterized in that: The installation interference portion (210) is a circular arc convex edge extending along the circumferential direction and arranged on the outer circumference of the protective cover (200), and the circular arc convex edge has two ends and is respectively connected to the left and right ends of the flat connection portion (220), and the distance L from the matching end surface (221) of the flat connection portion (220) to the central axis of the protective cover (200) is smaller than the distance R from the outer circumference of the circular arc convex edge to the central axis of the protective cover (200).

6. The ink cartridge for preventing installation with a cover according to claim 1, characterized in that: The ink outlet portion (120) comprises a column portion (123) and a fixing sleeve (124); the ink outlet channel (121) is arranged on the column portion (123); the fixing sleeve (124) is installed on the column portion (123); and the fixing sleeve (124) is used to limit the sealing plug (122) from falling out of the ink outlet channel (121).

7. The ink cartridge for preventing installation with a cover according to claim 6, characterized in that: A flange portion (1222) is provided at the front end of the sealing plug (122), the ink outlet channel (121) passes through the front end surface of the column portion (123) and forms an opening, the sealing plug (122) is installed on the ink outlet channel (121) through the opening, the flange portion (1222) of the sealing plug (122) abuts against the periphery of the opening, the fixing sleeve (124) is sleeved and fixed on the column portion (123), and the fixing sleeve (124) and the column portion (123) clamp and fix the flange portion (1222) of the sealing plug (122).

8. The ink cartridge for preventing installation with a cover according to claim 6, characterized in that: A channel wall of the ink outlet channel (121) is provided with a limiting portion (125), and the limiting portion (125) is used to abut against the rear end of the sealing plug (122) and limit the sealing plug (122).

9. The ink cartridge for preventing installation with a cover according to claim 6, characterized in that: The outer periphery of the column portion (123) is provided with a first latching protrusion (1231), the fixing sleeve (124) is provided with a default opening (1241) penetrating the inner and outer sides, a snap-fitting portion (1242) is formed at the rear side of the default opening (1241), and the snap-fitting portion (1242) is snap-fitted to the rear side of the first latching protrusion (1231).

10. The ink cartridge for preventing installation with a cover according to claim 6, characterized in that: The protective cover (200) has a sleeve hole and is sleeved on the fixing sleeve (124); the inner wall surface of the protective cover (200) is provided with a clamping convex ring (230); the outer periphery of the fixing sleeve (124) is provided with a second clamping convex (1243); and the clamping convex ring (230) is clamped on the rear side of the second clamping convex (1243).

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