CN215831244U

CN215831244U - Air control valve structure of ink box

Info

Publication number: CN215831244U
Application number: CN202121460072.6U
Authority: CN
Inventors: 罗魏
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2022-02-15
Anticipated expiration: 2031-06-29

Abstract

The utility model discloses an air control valve structure of an ink box, which comprises a box body, wherein an ink cavity for containing ink is arranged in the box body, a first air inlet cavity is arranged in the ink cavity, a second air inlet cavity is arranged on the outer side of the box body corresponding to the first air inlet cavity, an air inlet hole is arranged between the first air inlet cavity and the second air inlet cavity, the side wall of the box body is provided with an air inlet communicated with the second air inlet cavity, the opening of the first air inlet cavity is provided with a valve cover, the side wall of the first air inlet cavity is provided with an air outlet communicated with the ink cavity, a sealing gasket is arranged in the first air inlet cavity, a sealing pressing piece is arranged on the upper side of the sealing gasket, a spring is arranged between the sealing pressing piece and the valve cover, after the assembly, the sealing gasket is pressed on the air inlet hole, the sealing pressing piece plays a role in pressing, when the ink box is normally used, as a printer absorbs the ink, negative pressure is generated in the box body, so that the sealing gasket is pressed upwards, the spring is compressed, the air inlet is opened, in the process, the sealing gasket does not need to deform, the requirement on materials is not high, and normal materials can meet the requirement, so that the reliability of the product in the production, user use, storage and transportation processes is greatly improved.

Description

Air control valve structure of ink box

Technical Field

The utility model relates to an ink box, in particular to an air control valve structure of the ink box.

Background

The existing air control valve of the ink box is characterized in that a valve membrane is arranged in an air inlet cavity, the deformation of the valve membrane is used for controlling the air pressure inside the ink box, the requirement on the material of the valve membrane is high, if the material does not reach the standard or is deteriorated, the material is stored and the like, the elastic deformation of the valve membrane is unstable, the internal structure of the air control valve is unstable, the reject ratio of batch production is high, and the product quality stability is poor.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides an air control valve structure of an ink box.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the utility model provides an air valve control structure of ink horn, includes the box body, be equipped with the china ink chamber that is used for holding the ink in the box body, the china ink intracavity is equipped with first intake chamber, the box body outside corresponds first intake chamber is equipped with the second intake chamber, first intake chamber with be equipped with the inlet port between the second intake chamber, the lateral wall of box body be equipped with the communicating air inlet of second intake chamber, the valve gap is installed to the opening part of first intake chamber, the lateral wall of first intake chamber be equipped with the communicating gas outlet in china ink chamber, sealed the pad has been placed in the first intake chamber, sealed side-mounting has the packing and pressing spare, the packing and pressing spare with install the spring between the valve gap, after the assembly, sealed pad pressfitting is in on the inlet port.

The packing follower is a ball.

The middle part of the sealing gasket is provided with a first positioning hole, and after assembly, the ball is pressed on the first positioning hole.

The diameter of the ball is larger than that of the spring.

The sealing pressing piece is a valve core.

The middle part of the sealing gasket is provided with a second positioning hole, the bottom of the valve core is provided with a positioning rod, and after assembly, the positioning rod is inserted into the second positioning hole.

The sealing gasket is provided with a mounting groove, and the valve core is embedded in the mounting groove.

The top of the valve core is provided with a spring positioning table, and the spring is sleeved on the spring positioning table.

The bottom of valve gap is equipped with the holding ring, the spring tip is located in the holding ring.

The bottom of the sealing gasket is provided with a sealing ring, and the diameter of the sealing ring is larger than that of the air inlet.

The utility model has the beneficial effects that: the utility model is characterized in that a first air inlet chamber and a second air inlet chamber which are communicated are respectively arranged inside and outside the box body, a sealing gasket, a sealing pressing piece and a spring are arranged in the first air inlet chamber, a valve cover is arranged for fixing, the sealing gasket is pressed on the air inlet hole through the elasticity of the spring, and the sealing pressing piece plays a role of pressing.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is an exploded schematic view of a first embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a first embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a first embodiment of a gasket;

FIG. 4 is an exploded view of a second embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view of a second embodiment of the present invention;

FIG. 6 is a schematic cross-sectional view of a second embodiment of a gasket;

FIG. 7 is a schematic view of the valve cartridge;

FIG. 8 is one of the schematic structural views of the cartridge body;

fig. 9 is a second schematic structural view of the cartridge.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.

The directional or positional relationships "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., are indicative of those directions or positional relationships based on the drawings and are intended to facilitate the description of the utility model and to simplify the description, but are not intended to indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Referring to fig. 1 to 9, an air valve structure of an ink cartridge includes a cartridge body 1, an ink chamber 2 for containing ink is provided in the cartridge body 1, a first air inlet chamber 3 is provided in the ink chamber 2, a second air inlet chamber 4 is provided at an outer side of the cartridge body 1 corresponding to the first air inlet chamber 3, the first air inlet chamber 3 and the second air inlet chamber 4 are integrally formed with the cartridge body 1, an air inlet hole 5 is provided between the first air inlet chamber 3 and the second air inlet chamber 4, an air inlet 6 communicated with the second air inlet chamber 4 is provided at a side wall of the cartridge body 1, in this embodiment, a covering film is attached to an outer side of the cartridge body 1, the covering film covers and seals an opening of the second air inlet chamber 4, a valve cover 7 is installed at an opening of the first air inlet chamber 3, an air outlet 8 communicated with the ink chamber 2 is provided at a side wall of the first air inlet chamber 3, the sealing gasket 9 is placed in the first air inlet cavity 3, the sealing pressing piece is installed on the upper side of the sealing gasket 9, the spring 10 is installed between the sealing pressing piece and the valve cover 7, after assembly, the sealing gasket 9 is pressed on the air inlet hole 5, the sealing pressing piece plays a role in pressing, the sealing gasket, the sealing pressing piece and the spring are installed in the first air inlet cavity, the valve cover is installed and fixed at the opening of the first air inlet cavity, all the components are installed in the box body and are not exposed, and the fixing structure of the valve cover is stable and reliable. The reliability of the product in the production, user use, storage and transportation processes is greatly improved, the reject ratio of batch production is reduced, and the comprehensive cost of product production is reduced.

Further, the packing follower has the following two embodiments.

The first embodiment is as follows: the sealing pressing piece is a ball 11; the middle part of the sealing gasket 9 is provided with a first positioning hole 12, and after assembly, the ball 11 is pressed on the first positioning hole 12; the diameter of the ball 11 is larger than that of the spring 10, the sealing gasket 9 is compressed through the ball 11, the sealing gasket 9 is enabled to seal the air inlet hole 5, the first positioning hole 12 plays a positioning role, the compression position of the ball 11 is ensured, the stress of the sealing gasket 9 is enabled to be even, and the sealing effect is ensured.

The second embodiment is: the sealing pressing piece is a valve core 13; a second positioning hole 14 is formed in the middle of the sealing gasket 9, a positioning rod 15 is arranged at the bottom of the valve core 13, after assembly, the positioning rod 15 is inserted into the second positioning hole 14 and penetrates through the air inlet 5, and the diameter of the positioning rod 15 is smaller than that of the air inlet 5; an installation groove 16 is formed in the sealing gasket 9, and the valve core 13 is embedded in the installation groove 16; the top of the valve core 13 is provided with a spring positioning table 17, the spring 10 is sleeved on the spring positioning table 17, and the positioning rod 15 is matched with the second positioning hole 14 and the air inlet hole 5 to play a positioning role, so that the pressing position of the valve core 13 is ensured, the sealing gasket 9 is uniformly stressed, and the sealing effect is ensured.

The bottom of the valve cover 7 is provided with a positioning ring 18, the end of the spring 10 is positioned in the positioning ring 18, and the positioning ring 18 can play a role in positioning the spring 10 and preventing the spring 10 from shifting.

The bottom of the sealing gasket 9 is provided with a sealing ring 19, the diameter of the sealing ring 19 is larger than that of the air inlet hole 5, and the sealing ring 19 is tightly matched with the bottom of the first air inlet cavity 3 to ensure the sealing effect.

The above embodiments do not limit the scope of the present invention, and those skilled in the art can make equivalent modifications and variations without departing from the overall concept of the present invention.

Claims

1. The air valve control structure of the ink box comprises a box body (1), wherein an ink cavity (2) for containing ink is arranged in the box body (1), and is characterized in that a first air inlet cavity (3) is arranged in the ink cavity (2), a second air inlet cavity (4) is arranged on the outer side of the box body (1) corresponding to the first air inlet cavity (3), an air inlet hole (5) is formed between the first air inlet cavity (3) and the second air inlet cavity (4), an air inlet (6) communicated with the second air inlet cavity (4) is formed in the side wall of the box body (1), a valve cover (7) is installed at the opening of the first air inlet cavity (3), an air outlet (8) communicated with the ink cavity (2) is formed in the side wall of the first air inlet cavity (3), a sealing gasket (9) is placed in the first air inlet cavity (3), and a sealing pressing part is installed on the upper side of the sealing gasket (9), and a spring (10) is arranged between the sealing and pressing piece and the valve cover (7), and after assembly, the sealing gasket (9) is pressed on the air inlet hole (5).

2. The air valve structure of an ink cartridge according to claim 1, wherein the packing presser is a ball (11).

3. The air valve controlling structure of the ink cartridge according to claim 2, wherein the gasket (9) is provided at a central portion thereof with a first positioning hole (12), and the ball (11) is press-fitted to the first positioning hole (12) after assembly.

4. Air control valve structure of an ink cartridge according to claim 2, characterized in that the ball (11) has a diameter larger than the diameter of the spring (10).

5. The air control valve structure of the ink cartridge according to claim 1, wherein the packing presser is a valve core (13).

6. The air valve controlling structure of the ink cartridge according to claim 5, wherein the middle portion of the gasket (9) is provided with a second positioning hole (14), the bottom portion of the valve core (13) is provided with a positioning rod (15), and after assembly, the positioning rod (15) is inserted into the second positioning hole (14).

7. The air control valve structure of the ink cartridge according to claim 5, wherein the packing (9) is provided with a mounting groove (16), and the valve core (13) is inserted and mounted in the mounting groove (16).

8. The air control valve structure of the ink box according to claim 5, characterized in that the top of the valve core (13) is provided with a spring positioning table (17), and the spring (10) is sleeved on the spring positioning table (17).

9. Valve control structure according to claim 1, characterized in that the valve cover (7) is provided at its bottom with a retaining ring (18), the end of the spring (10) being located inside the retaining ring (18).

10. The air control valve structure of the ink cartridge according to claim 1, characterized in that the bottom of the gasket (9) is provided with a sealing ring (19), the diameter of the sealing ring (19) being larger than the diameter of the air intake hole (5).