Quick connection structure of printing ink storage tank

Abstract

The utility model provides a quick connection structure of a printing ink storage tank, and belongs to the technical field of printing ink storage. The problem that an existing ink storage tank is inconvenient to move on the premise that the existing ink storage tank is stably connected with an external waste gas treatment device is solved. The ink storage tank comprises a tank body, an opening is formed in the upper end of the tank body, an upper cover capable of opening and closing the opening is hinged to the upper end of the tank body, the quick connection structure comprises a pipe joint and an air outlet pipe which is integrally formed at the upper end of the tank body and protrudes upwards, the air outlet pipe is communicated with an inner cavity of the tank body, and external threads are arranged on the upper side wall of the pipe joint. An annular limiting groove is formed in the outer side wall of the air outlet pipe, a limiting cam is hinged to the outer side wall of the pipe connector, the air outlet pipe can be sleeved with the pipe connector, and the limiting cam abuts against the groove wall of the limiting groove. According to the quick connection structure of the ink storage tank, the ink storage tank is convenient to move, and meanwhile, quick assembly and disassembly of the ink storage tank and an external waste gas treatment device are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to ink storage technical field relates to a quick -witted structure of ink storage tank. BACKGROUND

[0002] Ink is usually stored by large ink storage tank in production, printing ink in processing or is the discharging process, the ink in the ink storage tank will flow, resulting in the volatile gas in the ink easy to flow out, volatile gas can cause environmental pollution, the existing ink storage tank is connected with the exhaust pipe mode in the upper end of the tank body, the external waste gas treatment device is through the exhaust pipe and discharges volatile gas.

[0003] For example, Chinese patent application

authorization announcement number: CN220391927U

[0004] The above structure is through the fan that is directly arranged on the top of bin body, and the waste gas treatment device is connected with the fan, and the waste gas is treated, the waste material in the bin body is discharged, and the waste gas treatment device can be reused in use, and the waste gas in different bin bodies is treated, and the fan is connected with the waste gas treatment device through the connecting pipe, the connecting pipe is fixed on the waste treatment device, the connecting pipe and the fan are directly fixed in the description of the above patent application, which is inconvenient for the movement and replacement of the bin body, and reduces the use convenience of the bin body. UTILITY MODEL CONTENTS

[0005] The utility model aims at the above problems existing in prior art, and provides a quick connection structure of ink storage tank, and the technical problem to be solved by the utility model is how to solve the inconvenience of moving the existing ink storage tank under the premise of stable connection with the external waste gas treatment device.

[0006] The utility model can be realized by the following technical schemes.

[0007] The quick connection structure of an ink storage tank comprises a tank body, an opening is formed in the upper end of the tank body, and an upper cover is hinged to the upper end of the tank body and can open and close the opening, characterized in that the quick connection structure comprises a pipe joint and an air outlet pipe which is integrally formed on the upper end of the tank body and protrudes upward, the air outlet pipe is in communication with the inner cavity of the tank body, the upper side wall of the pipe joint is provided with external threads, the outer side wall of the air outlet pipe is provided with a ring-shaped limiting groove, and the outer side wall of the pipe joint is hinged to a limiting cam, the pipe joint can be sleeved on the air outlet pipe, and the limiting cam abuts against the groove wall of the limiting groove.

[0008] The ink is stored in the tank body of the ink storage tank, a larger opening is formed in the upper end of the tank body, and an upper cover is also hinged to the upper end of the tank body, when the ink in the tank body needs to be stirred, the upper cover is opened, a stirring rod is inserted into the tank body, an external suction pipe is threadedly connected with the pipe joint, the pipe joint is sleeved on the air outlet pipe, the limiting cam is swung, the limiting cam abuts against the limiting groove of the air outlet pipe, the quick connection of the pipe joint and the air outlet pipe is realized, and thus the volatile gas during stirring can be sucked out from the suction pipe by an external fan, the structure of the application is that the air outlet pipe is integrally formed on the upper end of the tank body, the movable ink storage tank and the external waste gas treatment device are quickly connected and disconnected through the cooperation of the air outlet pipe and the pipe joint, the movement convenience of the ink storage tank is improved, and the quick connection and disconnection of the ink storage tank and the external waste gas treatment device are ensured.

[0009] In the quick connection structure of the ink storage tank, the air outlet pipe is provided with a limiting flange which protrudes outward in the radial direction, the limiting flange is located below the limiting cam, and the lower end of the pipe joint is provided with an abutting ring which abuts against the limiting flange.

[0010] The pipe joint is sleeved on the air outlet pipe, the vertical position of the pipe joint is limited through the abutting of the abutting ring and the limiting flange, and the positioning and connection of the pipe joint and the air outlet pipe are realized through the limiting cam, and thus the quick positioning efficiency of the pipe joint before connection is improved.

[0011] In the quick connection structure of the ink storage tank, the external threads are located above the limiting cam, the outer side wall of the pipe joint protrudes outward in the radial direction to form an abutting ring, and the abutting ring is located between the external threads and the limiting cam.

[0012] The abutting ring is arranged to avoid excessive rotation of the pipe joint when the pipe joint is threadedly connected with the external suction pipe, to avoid affecting the rotation of the limiting cam, to realize the vertical position of the external suction pipe, and to improve the efficiency and stability of the quick connection structure.

[0013] In the quick connection structure of the ink storage tank, two limiting cams are arranged.

[0014] The position of the limiting cam is set, so that the force of the pipe joint is more uniform, and the pipe joint can be stably connected with the air outlet pipe.

[0015] In the quick connection structure of the ink storage tank, the limiting cam has a handle end and a cam end, the cam end can rotate around the hinge point to abut against the groove wall of the limiting groove, and the handle end is upwardly arranged.

[0016] By arranging the handle end upwardly, the height of the air outlet pipe can be arranged to be lower, and the staff can be facilitated to apply force, so that the quick connection structure is more convenient to assemble and disassemble.

[0017] In the quick connection structure of the ink storage tank, the upper cover has a protrusion with a vertical triangular cross section, and the protrusion is close to the hinge.

[0018] The protrusion is arranged to avoid the upper cover from being turned to be horizontally placed on the upper surface of the tank body, so that the upper cover is more convenient to turn up and down.

[0019] Compared with the prior art, the quick connection structure of the ink storage tank has the advantages that the air outlet pipe is integrally formed at the upper end of the tank body, the movable ink storage tank and the waste gas treatment device outside are quickly assembled and disassembled through the cooperation of the air outlet pipe and the pipe joint, the movable convenience of the ink storage tank is further improved, and the quick assembly and disassembly of the ink storage tank and the waste gas treatment device outside are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structure schematic diagram of the utility model after assembly.

[0021] Figure 2 is Figure 1 is an enlarged view of part A in the figure.

[0022] Figure 3 is a part explosion structure schematic diagram of the utility model after assembly.

[0023] Figure 4 is an explosion structure schematic diagram of the pipe joint and the limiting cam in the utility model.

[0024] In the figure, 1, tank body; 11, opening; 12, upper cover; 12a, protrusion; 13, air outlet pipe; 13a, limiting groove; 13b, limiting stop edge; 2, pipe joint; 21, external thread; 22, stop ring; 23, abutting ring; 3, limiting cam; 31, handle end; 32, cam end. DETAILED DESCRIPTION

[0025] The following is a specific embodiment of the utility model and is further described in combination with the drawings, but the utility model is not limited to these embodiments.

[0026] AsFigure 1 As shown in the figure, the quick connection structure of the ink storage tank comprises a tank body 1, an opening 11 is formed at the upper end of the tank body 1, and an upper cover 12 capable of opening and closing the opening 11 is hinged at the upper end of the tank body 1. The upper cover 12 has a protrusion 12a with a vertical cross-section in the shape of a triangle, and the protrusion 12a is close to the hinge.

[0027] Specifically, as shown in the figure, Figures 1-4 As shown in the figure, the quick connection structure comprises a pipe joint 2 and a gas outlet pipe 13 integrally formed on the upper end of the tank body 1 and protruding upward, the gas outlet pipe 13 is in communication with the inner cavity of the tank body 1, the upper side wall of the pipe joint 2 has an external thread 21, the outer side wall of the gas outlet pipe 13 is provided with a limiting groove 13a in the shape of a ring, and the outer side wall of the pipe joint 2 is hinged with a limiting cam 3, the pipe joint 2 can be sleeved on the gas outlet pipe 13, and the limiting cam 3 is tightly abutted against the groove wall of the limiting groove 13a.

[0028] The ink is stored in the tank body 1 of the ink storage tank, a larger opening 11 is formed at the upper end of the tank body 1, and the upper end of the tank body 1 is also hinged with an upper cover 12, when the ink in the tank body 1 needs to be stirred, the upper cover 12 can be opened, a stirring rod is inserted into the tank body 1, an external suction pipe is threadedly connected with the pipe joint 2, the pipe joint 2 is sleeved on the gas outlet pipe 13, the limiting cam 3 is swung, and the limiting cam 3 is tightly abutted against the groove wall of the limiting groove 13a of the gas outlet pipe 13, so as to realize the quick connection of the pipe joint 2 and the gas outlet pipe 13, thereby the volatile gas during stirring can be sucked out from the suction pipe by an external fan, the structure of the present application is that the gas outlet pipe 13 is integrally formed on the upper end of the tank body 1, through the cooperation of the gas outlet pipe 13 and the pipe joint 2, the movable ink storage tank and the external waste gas treatment device are quickly connected and disconnected, the movement of the ink storage tank is convenient, and the quick connection and disconnection of the ink storage tank and the external waste gas treatment device are ensured.

[0029] As shown in the figure, Figures 2-4 The gas outlet pipe 13 has a limiting stop 13b protruding outward in the radial direction, the limiting stop 13b is located below the limiting cam 3, the lower end of the pipe joint 2 has an abutting ring 22 abutting against the limiting stop 13b, the external thread 21 is located above the limiting cam 3, the outer side wall of the pipe joint 2 protrudes outward in the radial direction to form an abutting ring 23, and the abutting ring 23 is located between the external thread 21 and the limiting cam 3.

[0030] As shown in the figure, Figure 2 and Figure 4 The limiting cam 3 is provided with two limiting cams 3, the two limiting cams 3 are arranged radially symmetrically along the pipe joint 2, the limiting cam 3 has a handle end 31 and a cam end 32, the cam end 32 can be rotated about the hinge point to tightly abut against the groove wall of the limiting groove 13a, and the handle end 31 is arranged upward.

[0031] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

Claims

1. A quick connection structure of an ink storage tank, the ink storage tank comprising a tank body (1), an opening (11) being formed at an upper end of the tank body (1), and an upper cover (12) being hinged to the upper end of the tank body (1) to open and close the opening (11), characterized in that, The quick connection structure comprises a pipe joint (2) and a gas outlet pipe (13) integrally formed on the upper end of the tank body (1) and protruding upward, the gas outlet pipe (13) is communicated with the inner cavity of the tank body (1), the upper side wall of the pipe joint (2) is provided with an external thread (21), the outer side wall of the gas outlet pipe (13) is provided with a limiting groove (13a) in the shape of a ring, the outer side wall of the pipe joint (2) is hingedly connected with a limiting cam (3), the pipe joint (2) can be sleeved on the gas outlet pipe (13), and the limiting cam (3) abuts against the groove wall of the limiting groove (13a).

2. The quick connection structure of an ink storage tank according to claim 1, wherein The gas outlet pipe (13) is provided with a limiting stop (13b) protruding radially outward, the limiting stop (13b) is located below the limiting cam (3), and the lower end of the pipe joint (2) is provided with a stop ring (22) abutting against the limiting stop (13b).

3. The quick connection structure of an ink storage tank according to claim 1 or 2, characterized in that, The external thread (21) is arranged above the limiting cam (3), the outer side wall of the pipe joint (2) is radially outwardly protruding to form an abutting ring (23), and the abutting ring (23) is located between the external thread (21) and the limiting cam (3).

4. The quick connection structure of an ink storage tank according to claim 1 or 2, characterized in that, The limiting cam (3) is provided with two limiting cams (3) which are arranged radially symmetrically with respect to the pipe joint (2).

5. The quick connection structure of an ink storage tank according to claim 4, wherein The limiting cam (3) is provided with a handle end (31) and a cam end (32), the cam end (32) can rotate around the hinge point to abut against the groove wall of the limiting groove (13a), and the handle end (31) is arranged upward.

6. The quick connection structure of an ink storage tank according to claim 1 or 2, wherein The upper cover (12) is provided with a protrusion (12a) in the shape of a triangle in vertical section, and the protrusion (12a) is close to the hinge.

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