CN220129788U - Printing liquid container - Google Patents

Abstract

The utility model relates to the technical field of printing consumables, and particularly discloses a printing liquid container, which comprises a shell, a printing liquid storage device and a printing liquid storage device, wherein the shell is provided with a liquid storage chamber and an air inlet hole communicated with the liquid storage chamber; the valve assembly is arranged on the air inlet and is used for connecting or disconnecting the fluid passage of the liquid storage chamber and the external atmosphere, and comprises a moving assembly and an elastic piece, wherein the moving assembly penetrates through the air inlet, and a sealing part of the moving assembly is positioned in the liquid storage chamber; the moving component can seal the air inlet hole from the inside of the liquid storage chamber in the Z direction; the elastic piece with the first deformation amount is used for stopping the moving assembly at the sealing position of the sealing air inlet hole, and in the state that the elastic piece is provided with the second deformation amount, the moving assembly is positioned at the opening position and the air inlet hole is opened, and the first deformation amount is smaller than the second deformation amount. The arrangement improves the success rate of opening the air inlet hole.

Description

Printing liquid container

Technical Field

The utility model relates to the technical field of printing consumables, in particular to a printing liquid container.

Background

At present, many ink jet printing apparatuses use a replaceable ink cartridge as an ink container, specifically, an operator installs the ink cartridge in an ink cartridge installation portion of the ink jet printing apparatus, and transmits ink to an ink supply tube of the ink cartridge installation portion through an ink outlet of the ink cartridge. In order to prevent ink from flowing out of the air inlet hole during storage, a blocking structure is generally arranged.

In the prior art, for example, patent publication No. US11077669B2 discloses a liquid box capable of reducing leakage of liquid from a liquid storage chamber, and sealing of an air inlet hole is achieved by arranging a toggle rod, an elastic piece, a sealing piece and a connecting rod. When the connecting rod is stored or transported, the connecting rod is downwards moved into the air inlet hole under the action of the toggle rod, at the moment, the air inlet hole is sealed by the sealing piece connected to the connecting rod, and at the moment, the elastic piece is compressed; when the ink box is used, the poking rod is required to rotate for a certain angle, the connecting rod is pulled out of the air inlet hole under the action of the elastic piece, and the sealing piece is driven to be separated from the shell around the air inlet hole, so that the ink cavity is communicated with the outside.

According to the scheme, the elastic piece is always in the state of the maximum compression amount in the storage process of the ink box, the compression amount of the elastic piece is too large, the elasticity of the elastic piece is easily damaged, when the ink box is used, after the poking rod rotates by a certain angle, the elasticity of the damaged elastic piece is insufficient, in addition, the air pressure of an ink cavity in the use process is smaller than that of the outside, the connecting rod is finally caused to be unable to be pulled out from the air inlet hole, so that the sealing piece is kept in the state of sealing the air inlet hole, the ink box can stop supplying ink in the printing process, and the use experience is seriously influenced.

Therefore, there is a need to develop a printing liquid container to solve the problem that the ink cartridge stops supplying ink due to the inability of the air intake hole to open smoothly.

Disclosure of Invention

The utility model aims to provide a printing liquid container, which solves the problem that an ink box stops supplying ink due to the fact that an air inlet hole cannot be smoothly opened.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the present utility model provides a printing liquid container, comprising:

a housing having a liquid storage chamber and an air intake hole communicating with the liquid storage chamber;

a valve assembly disposed in the intake port for communicating or disconnecting the fluid passage of the liquid storage chamber with the external atmosphere, the valve assembly comprising:

the moving assembly penetrates through the air inlet hole, and the sealing part of the moving assembly is positioned in the liquid storage chamber; the moving assembly is capable of sealing the air inlet hole from the inside of the liquid storage chamber in the Z direction;

and the elastic piece is used for stopping the moving assembly at a sealing position for sealing the air inlet hole, and the moving assembly is positioned at an opening position and opens the air inlet hole in a state that the elastic piece is provided with a second deformation amount, and the first deformation amount is smaller than the second deformation amount.

As an alternative to the printing-liquid container, the moving assembly includes a moving lever movable in the Z direction between the sealing position and the open position, and a sealing member capable of sealing the air intake hole.

As an alternative solution for the printing liquid container, the sealing member is disposed at the sealing end of the moving rod, and the outer diameter of the sealing member is larger than the diameter of the air inlet hole.

As an alternative technical scheme of the printing liquid container, the sealing element is annular, the moving rod is provided with an annular groove, and the sealing element is sleeved in the annular groove.

As an alternative technical scheme for the printing liquid container, the shell is provided with a protection ring, the protection ring is positioned inside the liquid storage chamber and surrounds the periphery of the air inlet hole, the inner diameter size of the protection ring is larger than the diameter size of the air inlet hole, the movable rod is positioned in the state of the sealing position, and the sealing element is positioned in the protection ring.

As an optional technical scheme of the printing liquid container, the sealing element is annular and surrounds the periphery of the air inlet hole, the sealing end of the movable rod is provided with an abutting part, the outer diameter of the abutting part is larger than the inner diameter of the sealing element, and the movable rod is located in the sealing position, and the abutting part compresses and seals the sealing element.

As an optional technical scheme of the printing liquid container, the elastic piece comprises a spring, the moving rod is provided with a first stop part, the spring is sleeved on the moving rod, one end of the spring is abutted against the first stop part, and the other end of the spring is abutted against the shell.

As an alternative technical scheme of the printing liquid container, the printing liquid container comprises a supporting frame, the supporting frame is arranged on the shell, and the moving rod is arranged on the supporting frame in a sliding manner.

As an alternative technical solution of the printing liquid container, the printing liquid container includes a trigger piece, the trigger piece includes a connection portion, a pressing portion and a trigger portion, the pressing portion is located between the connection portion and the trigger portion, the trigger piece is connected with the housing at the connection portion, the trigger portion can move between a first position and a second position, and in a state that the trigger portion is located at the second position, the pressing portion presses the moving assembly to be located at the open position.

As an alternative to the printing-liquid container, the connecting portion is hinged to the housing.

The beneficial effects of the utility model are as follows:

the utility model provides a printing liquid container, which is communicated with a shell and a valve assembly, wherein the shell is provided with a liquid storage chamber and an air inlet hole communicated with the liquid storage chamber; the valve assembly is arranged on the air inlet and is used for communicating or disconnecting the liquid storage chamber with a fluid passage of the external atmosphere, and comprises a moving assembly and an elastic piece, wherein the moving assembly penetrates through the air inlet, and a sealing part of the moving assembly is positioned in the liquid storage chamber; the moving component can seal the air inlet hole from the inside of the liquid storage chamber in the Z direction; the elastic member having a first deformation amount is used for stopping the moving assembly at a sealing position for sealing the air inlet hole, and in a state that the elastic member has a second deformation amount, the moving assembly is positioned at an opening position and the air inlet hole is opened, and in this state, the liquid storage chamber is communicated with the external atmosphere, and the first deformation amount is smaller than the second deformation amount. The arrangement ensures that the deformation amount of the elastic piece is reduced as much as possible in the long-term storage process of the printing liquid container, thereby reducing the damage to the elastic piece as much as possible, avoiding the situation that the air inlet cannot be smoothly opened due to insufficient elasticity of the elastic piece, and improving the success rate of opening the air inlet; in addition, when the moving assembly moves to open the air inlet hole, the deformation of the elastic piece is smaller, so that the moving process of the moving assembly is easier, and the printing liquid container is convenient to install on the printer.

Drawings

FIG. 1 is a schematic view of a printing-liquid container according to one embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of a printing-fluid container according to an embodiment of the present utility model;

FIG. 3 is an enlarged schematic view of the moving assembly of FIG. 2A;

FIG. 4 is a schematic exploded view of a printing liquid container according to one embodiment of the present utility model;

FIG. 5 is a schematic view showing the structure of a movable rod according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram of a trigger according to an embodiment of the present utility model;

FIG. 7 is a schematic cross-sectional view of a printing-fluid container according to another embodiment of the present utility model;

FIG. 8 is an enlarged schematic view of another embodiment of the moving assembly at B in FIG. 7;

fig. 9 is a diagram showing the cooperation of a printing fluid container and a carriage in an embodiment of the utility model.

In the figure:

100. a housing; 101. a case main body; 102. a shell sealing plate; 103. a cover body; 110. a liquid storage chamber; 120. an air inlet hole; 130. a guard ring; 140. a support frame; 150. a protective flange;

200. a moving rod; 201. sealing the end; 202. a touch end; 210. a first stop portion; 220. an annular groove; 230. a second stop portion; 240. an abutting portion;

300. a seal;

400. an elastic member;

500. a trigger; 510. a connection part; 511. a hinge shaft; 520. a pressing part; 530. a trigger part; 600. a character car; 610. the toggle piece.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first location" and "second location" are two distinct locations and wherein the first feature is "above," "over" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is level above the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

As shown in fig. 1 to 6, in one embodiment, there is provided a printing liquid container including a housing 100 and a valve assembly, wherein the housing 100 has a liquid storage chamber 110 and an air intake hole 120 communicating with the liquid storage chamber 110, the air intake hole 120 being for communicating the liquid storage chamber 110 with the external atmosphere; the valve assembly is arranged on the air inlet hole 120 and is used for connecting or disconnecting the fluid passage of the liquid storage chamber 110 and the external atmosphere, and the valve assembly comprises a moving assembly and an elastic piece 400, wherein the moving assembly penetrates through the air inlet hole 120, and a sealing part of the moving assembly is positioned in the liquid storage chamber 110; the moving assembly can seal the air intake hole 120 from the inside of the liquid storage chamber 110 in the Z direction; the elastic member 400 having a first deformation amount is used to stop the moving member at a sealing position sealing the air intake hole 120, and in a state where the elastic member 400 has a second deformation amount, the moving member is located at an open position and the air intake hole 120 is opened, in which state the liquid storage chamber 110 is in communication with the outside atmosphere, the first deformation amount is smaller than the second deformation amount.

In this embodiment, the printing liquid container may be an ink cartridge.

By means of the arrangement, deformation of the elastic piece 400 is reduced as much as possible in the long-term storage process of the ink box, so that damage to the elastic piece 400 is reduced as much as possible, the situation that the air inlet 120 cannot be smoothly opened due to insufficient elasticity of the elastic piece 400 is avoided, and the success rate of opening the air inlet 120 is improved; in addition, when the moving assembly moves to open the air inlet hole 120, the moving assembly moves easily due to the small deformation of the elastic member 400, so that the ink cartridge is easily mounted to the printer.

As shown in fig. 2 and 3, the moving assembly includes a moving rod 200 and a sealing member 300, the moving rod 200 being movable in the Z direction between a sealing position and an open position, the moving rod 200 and the sealing member 300 being positioned at the sealing position to be engaged with each other to seal the air intake hole 120. When the air intake hole 120 is sealed, the passage between the liquid storage chamber 110 and the outside atmosphere is disconnected, i.e., the liquid storage chamber 110 is not in communication with the outside atmosphere. In other embodiments, the seal 300 may be provided as a single piece or integrally formed with the travel bar 200.

In this embodiment, the sealing member 300 is disposed at the sealing end 201 of the moving rod 200, and the outer diameter of the sealing member 300 is larger than the diameter of the air inlet hole 120. The arrangement is such that when the moving rod 200 is at the sealing position, the sealing member 300 is driven to press against the housing 100 at the periphery of the air inlet 120, thereby sealing and plugging the air inlet 120.

To facilitate the installation of the sealing member 300, the sealing member 300 is ring-shaped, the sealing end 201 of the moving rod 200 is provided with an annular groove 220, and the sealing member 300 is sleeved in the annular groove 220. Further, the sealing end 201 is provided with a chamfer, and the sealing end 201 has a pointed structure.

To enhance the stopping effect on the seal 300, in this embodiment, the moving rod 200 is provided with a second stopping portion 230, and the second stopping portion 230 is located at a side wall of the annular groove 220 away from the triggering end 202 of the moving rod 200.

In other embodiments, the connection between the seal 300 and the movable rod 200 may be welded or glued or screwed.

Referring to fig. 3, the housing 100 is provided with a guard ring 130, the guard ring 130 is located inside the liquid storage chamber 110 and surrounds the outer circumference of the air intake hole 120, the inner diameter of the guard ring 130 is larger than the diameter of the air intake hole 120, and the sealing member 300 is located in the guard ring 130 in a state that the moving rod 200 is located at the sealing position. The guard ring 130 is provided to prevent the ink cartridge from shaking during transportation, thereby causing ink having a large impact force inside to enter the air intake hole 120 from the gap between the sealing member 300 and the housing 100, and to flow outside the housing 100.

The length of the seal 300 and the length of the guard ring 130 may be appropriately adjusted to improve sealing performance.

Referring to fig. 7 and 8, in another embodiment, the sealing member 300 is annular and surrounds the outer periphery of the air inlet hole 120, air can enter the inside of the liquid storage chamber 110 through the inner hole of the sealing member 300, the sealing end 201 of the moving rod 200 is provided with the abutting portion 240, the outer diameter size of the abutting portion 240 is larger than the inner diameter size of the sealing member 300, and the abutting portion 240 presses and seals the sealing member 300 when the moving rod 200 is located at the sealing position. Wherein the seal 300 may be glued or screwed to the housing 100. In the manner of screwing the seal 300, specifically, a countersunk hole is provided in the seal 300, and a fixing screw passes through the countersunk hole and is logically disposed on the housing 100. The abutment 240 may cover the counterbore in the Z direction. In this embodiment, an end of the abutting portion 240 near the seal 300 is tapered, that is, an upper end surface of the abutting portion 240 is tilted upward in an axial direction away from the moving rod 200. The upper end surface of the abutting portion 240 is an end surface close to the seal 300.

The elastic member 400 includes a spring, the moving rod 200 is provided with a first stop portion 210, the spring is sleeved on the moving rod 200, one end of the spring abuts against the first stop portion 210, and the other end abuts against the housing 100. Wherein the first stop 210 is located above the housing 100. In this embodiment, the spring is a compression spring, and the movable rod 200 is located at the sealing position, so that the spring is compressed by a first compression amount, and the movable rod 200 is located at the opening position, so that the spring is compressed by a second compression amount, wherein the second compression amount is larger than the first compression amount. By the arrangement of the above structure, the pressure applied to the spring is reduced as much as possible in the storage stage, that is, in the state where the moving lever 200 is located at the sealing position, thereby minimizing damage to the elasticity of the spring.

In other embodiments, the spring may also be a tension spring, the movable lever 200 in the sealed position such that the spring is stretched a first amount of stretch, and the movable lever 200 in the open position such that the spring is stretched a second amount of stretch, wherein the second amount of stretch is greater than the first amount of stretch.

The ink cartridge includes a supporting frame 140, the supporting frame 140 is disposed on the housing 100 and is located outside the liquid storage chamber 110, and the moving rod 200 is slidably disposed on the supporting frame 140. This arrangement improves the sliding stability of the moving lever 200. The support 140 is provided with a sliding groove, the sliding groove and the air inlet 120 are opposite to each other, and the moving rod 200 is slidably arranged in the sliding groove and the air inlet 120. The chute and the air intake holes 120 are spaced apart in the Z direction.

Referring to fig. 4, 6 and 9, in the present embodiment, the ink cartridge includes a trigger 500, the trigger 500 includes a connection portion 510, a pressing portion 520 and a trigger portion 530, the pressing portion 520 is located between the connection portion 510 and the trigger portion 530, the trigger 500 is connected to the housing 100 at the connection portion 510, the pressing portion 520 can press the trigger end 202 of the moving rod 200, the trigger portion 530 can move between a first position and a second position, the moving rod 200 is in a sealing position in a state where the trigger portion 530 is located at the first position, and the pressing portion 520 presses the moving rod 200 to be in an open position in a state where the trigger portion 530 is located at the second position. In use, the ink cartridge is mounted to the carriage 600, and the toggle member 610 and the trigger portion 530 on the carriage 600 are brought into contact and the pressing portion 520 is moved downward, in the process of which the moving lever 200 is moved to the open position. This arrangement improves the convenience of moving the moving lever 200 from the sealing position to the opening position.

As shown in fig. 2 and 6, the connection portion 510 is hinged with the housing 100. Specifically, the housing 100 is provided with a hinge groove, and the connection part 510 is provided with a hinge shaft 511, and the hinge shaft 511 is rotatably connected in the hinge groove. In other embodiments, a rotating groove may be provided at the connection portion 510, and the rotating shaft is inserted into the rotating groove and connected to the housing 100.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. A printing liquid container, comprising:

a housing (100), the housing (100) having a liquid storage chamber (110) and an air intake hole (120) communicating with the liquid storage chamber (110);

a valve assembly disposed at the air intake hole (120) for communicating or disconnecting a fluid passage of the liquid storage chamber (110) with an external atmosphere, the valve assembly comprising:

the moving assembly penetrates through the air inlet hole (120), and the sealing part of the moving assembly is positioned in the liquid storage chamber (110); the moving assembly is capable of sealing the air inlet hole (120) from the inside of the liquid storage chamber (110) in the Z direction;

-an elastic member (400), said elastic member (400) having a first amount of deformation for stopping said moving assembly in a sealing position sealing said intake aperture (120), said moving assembly being in an open position and opening said intake aperture (120) in a state in which said elastic member (400) has a second amount of deformation, said first amount of deformation being smaller than said second amount of deformation.

2. Printing liquid container according to claim 1, characterized in that the movement assembly comprises a movement lever (200) and a sealing member (300), the movement lever (200) being movable in the Z-direction between the sealing position and the open position, the movement lever (200) and the sealing member (300) being in the sealing position being capable of sealing the air inlet aperture (120).

3. Printing liquid container according to claim 2, wherein the sealing member (300) is provided at the sealing end (201) of the moving rod (200), the sealing member (300) having an outer diameter dimension larger than the diameter dimension of the air inlet hole (120).

4. A printing liquid container according to claim 3, wherein said seal member (300) is annular, said moving lever (200) is provided with an annular groove (220), and said seal member (300) is fitted in said annular groove (220).

5. A printing liquid container according to claim 3, wherein the housing (100) is provided with a guard ring (130), the guard ring (130) is located inside the liquid storage chamber (110) and surrounds the periphery of the air intake hole (120), the guard ring (130) has an inner diameter larger than the air intake hole (120), and the seal member (300) is located in the guard ring (130) in a state where the moving lever (200) is located at the sealing position.

6. The printing liquid container according to claim 2, wherein the sealing member (300) is annular and surrounds the periphery of the air inlet hole (120), the sealing end (201) of the moving rod (200) is provided with an abutting portion (240), the outer diameter size of the abutting portion (240) is larger than the inner diameter size of the sealing member (300), and the abutting portion (240) presses and seals the sealing member (300) in the state that the moving rod (200) is located at the sealing position.

7. Printing liquid container according to claim 2, characterized in that the elastic element (400) comprises a spring, the moving rod (200) is provided with a first stop (210), the spring is sleeved on the moving rod (200), one end of the spring abuts against the first stop (210), and the other end abuts against the housing (100).

8. Printing liquid container according to any of claims 2-7, characterized in that the printing liquid container comprises a support frame (140), the support frame (140) being provided to the housing (100), the moving lever (200) being slidably provided to the support frame (140).

9. The printing liquid container according to any one of claims 1-7, characterized in that the printing liquid container comprises a trigger (500), the trigger (500) comprising a connecting portion (510), a pressing portion (520) and a trigger portion (530), the pressing portion (520) being located between the connecting portion (510) and the trigger portion (530), the trigger (500) being connected to the housing (100) at the connecting portion (510), the trigger portion (530) being movable between a first position and a second position, the trigger portion (530) being located in the second position, the pressing portion (520) pressing the moving assembly in the open position.

10. Printing liquid container according to claim 9, characterized in that the connection (510) is hinged to the housing (100).