CN213064750U

CN213064750U - One-way valve structure for ink jet printer

Info

Publication number: CN213064750U
Application number: CN202021619268.0U
Authority: CN
Inventors: 李万东
Original assignee: Tianjin Haorui Photoelectric Technology Co ltd
Current assignee: Tianjin Haorui Photoelectric Technology Co ltd
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-04-27
Anticipated expiration: 2030-08-06

Abstract

The utility model discloses a check valve structure for ink jet numbering machine belongs to check valve technical field, a check valve structure for ink jet numbering machine includes casing and coupling, interface A has been seted up on the casing right side, the internal conical surface has been seted up to interface A internal surface, the external conical surface has been seted up to the coupling surface, interface A inside wall threaded connection has the coupling, casing upper end gomphosis has gomphosis board and lead screw cover, the lead screw cover is located gomphosis board right side, gomphosis board lower extreme fixedly connected with filters the piece, lead screw cover inner wall threaded connection has the lead screw. The utility model discloses a rotatory screwed pipe connects and enters into inside interface A, and the external conical surface of pipe connects and interface A's internal conical surface closely combines and plays sealed effect, does not need plus special sealing member, and at whole circulation in-process, the solvent can be preferred to carry out impurity filtering through filtering piece, in the rethread valve body inflow ink tank, is fit for being extensively promoted and used.

Description

One-way valve structure for ink jet printer

Technical Field

The utility model relates to a check valve technical field especially relates to a check valve structure for ink jet numbering machine.

Background

The code spraying machine is a device which is controlled by software and used for carrying out identification on products in a non-contact mode. The ink jet printer has an ink tank and a solvent tank. The solvent in the solvent tank is used for diluting the ink to a standard viscosity set by an ink jet printer, so that the solvent in the solvent tank needs to be conveyed to the ink tank through a pipeline, but the ink in the ink tank needs to be prevented from flowing back to the solvent tank, so that a check valve needs to be arranged on the pipelines of the solvent tank and the ink tank, and the currently adopted check valve is usually electrically controlled.

Patent number CN203594839U discloses a check valve structure for an inkjet printer, which includes a housing, the housing includes a mounting cavity, a first interface and a second interface, a valve core made of elastic rubber is disposed in the mounting cavity, the valve core includes a small head and a large head, the small head is provided with a first closed flat channel, the first channel can be opened and communicated elastically, because the small head of the valve core is provided with a first closed channel, the first channel is flat, ink in an ink tank flows back to the first channel of the valve core in the direction of a solvent tank and is blocked; the ink applies pressure to the outer surface of the small head part to keep the first channel closed, and the flat first channel can be opened and penetrated elastically, so that the solvent in the solvent tank can be smoothly introduced into the solvent tank by opening the flat first channel under the action of the pump. The utility model has the advantages of simple structure, low cost and reliable performance.

At present, the above patents have certain technical defects: 1. the one-way valve used for the traditional code spraying machine has poor sealing effect when ink is fed, and the problem of solvent leakage can be caused; 2. in the past, when the one-way valve used for the code spraying machine controls the flow direction of ink, impurities may remain in a solvent, and the impurities are easy to accumulate in a valve body after long-term use to form blockage.

SUMMERY OF THE UTILITY MODEL

The utility model provides a check valve structure for ink jet numbering machine, it is inside to enter into interface A through rotatory twisted pipe joint, and the external conical surface of pipe joint closely combines and plays sealed effect with interface A's interior conical surface, does not need plus special sealing member, and at whole circulation in-process, the solvent can be preferred through filtering piece, carries out impurity filtering through the filter screen, and the problem in the background art can effectively be solved in the rethread valve body inflow ink tank.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of check valve structure for ink jet numbering machine, including casing and coupling, interface A has been seted up on the casing right side, the interior conical surface has been seted up to interface A internal surface, the external conical surface has been seted up to the coupling surface, interface A inside wall threaded connection has the coupling, casing upper end gomphosis has gomphosis board and lead screw cover, the lead screw cover is located gomphosis board right side, gomphosis board lower extreme fixedly connected with filters piece, lead screw cover inner wall threaded connection has the lead screw, lead screw right side fixedly connected with changes the handle, and lead screw right side fixedly connected with chuck.

Optionally, the left side of the housing is provided with an interface B.

Optionally, the embedding plate and the shell embedding gap are clamped with a sealing strip.

Optionally, it includes frame and filter screen to filter the piece, the filter screen can be dismantled and connect in filtering a piece inside wall.

Optionally, the top end of the embedding plate is fixedly connected with an L-shaped pull handle.

The utility model has the advantages as follows:

1. the utility model discloses a rotatory screwed pipe joint of twisting enters into inside interface A, and the outer conical surface of pipe joint and interface A's interior conical surface combine closely and play the sealed effect, do not need plus special sealing member, and the operation is simple and easy, and the practicality is strong.

2. In the utility model, one side of the pipe joint corresponding to the interface A is connected with a solvent box, one side of the interface B is connected with an ink box, the solvent enters a check valve body through the interface A and flows to the ink box through the interface B, the check valve structure for the ink-jet printer has one-way circulation performance, in the whole circulation process, the solvent can preferentially pass through a filter element, the impurity filtration is carried out through a filter screen, and then flows into the ink box through the valve body, thereby avoiding the possible residual impurity in the solvent, the solvent is easy to accumulate in the valve body after long-term use, forming the problem of blockage and possibly influencing the ink quality, the filter element needs to be cleaned regularly when in use, the cleaning step is to firstly rotate a rotating handle, the rotating handle drives a screw rod to do thread feeding motion along the inner wall of a screw rod sleeve, then the rotating handle is pulled to one side by a screw rod chuck, an embedded, the filter element can be taken out from the valve body, so that the blockage caused by excessive impurities accumulated on the surface area of the filter screen is avoided.

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 description of 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 to obtain other drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of a check valve structure for an inkjet printer according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a filter element of a check valve structure for an inkjet printer according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an interface a of a check valve structure for an inkjet printer according to an embodiment of the present invention;

in the figure: 1. a housing; 2. a filter member; 201. a frame; 202. filtering with a screen; 3. a tabling plate; 4. an L-shaped pull handle; 5. a screw rod sleeve; 6. a screw rod; 7. turning a handle; 8. a chuck; 9. an interface A; 10. a pipe joint; 11. an outer conical surface; 12. an interface B; 13. an inner conical surface.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The structure of the check valve for an inkjet printer according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

As shown in fig. 1-3, a check valve structure for an inkjet printer comprises a housing 1 and a pipe joint 10, wherein an interface a9 is provided on the right side of the housing 1, an inner conical surface 13 is provided on the inner surface of the interface a9, an outer conical surface 11 is provided on the outer surface of the pipe joint 10, a pipe joint 10 is connected to the inner side wall of the interface a9 through a thread, an embedded plate 3 and a lead screw sleeve 5 are embedded in the upper end of the housing 1, the lead screw sleeve 5 is located on the right side of the embedded plate 3, a filter element 2 is fixedly connected to the lower end of the embedded plate 3, a lead screw 6 is connected to the inner wall of the lead screw sleeve 5 through a thread, a rotating handle 7 is fixedly connected to.

In this embodiment, as shown in fig. 1-3, by rotating the screwed pipe joint 10 into the interface a9, the outer conical surface 11 of the pipe joint 10 is tightly combined with the inner conical surface 13 of the interface a9 to perform a sealing function, and no special sealing element is required to be added, so that the operation is simple and easy, and the practicability is strong; one side of a pipe joint 10 corresponding to an interface A9 is connected with a solvent box, one side of an interface B12 is connected with an ink box, the solvent enters a one-way valve body through an interface A9 and flows to the ink box through an interface B12, a one-way valve structure for the ink-jet printer has one-way circulation performance, in the whole circulation process, the solvent can preferentially pass through a filter element 2, impurities are filtered through a filter screen 202 and then flow into the ink box through a valve body, the problem that the solvent is likely to remain impurities and is likely to accumulate inside the valve body after long-term use to form blockage and possibly influence the quality of ink is solved, the filter element 2 needs to be regularly cleaned when in use, the cleaning step is to firstly rotate a rotating handle 7, the rotating handle 7 drives a screw rod 6 to do thread feeding motion along the inner wall of a screw rod sleeve 5, then the screw rod 6 chuck 8 is pulled to one side, the upper pressing and clamping force of the chuck 8 at the, the filter element 2 can be taken out from the valve body, so that the blockage caused by excessive impurities accumulated on the surface of the filter screen 202 is avoided.

Wherein, the left side of the shell 1 is provided with an interface B12.

In this embodiment, as shown in fig. 1, an ink tank is connected to one side of the port B12, and the solvent enters the one-way valve body through the port a9 and flows to the ink tank through the port B12.

And the embedded plate 3 and the embedded gap of the shell 1 are clamped with sealing strips.

In the present embodiment, as shown in fig. 1, the weather strip improves the sealing property between the valve body housing 1 and the fitting plate 3.

Wherein, filter 2 includes frame 201 and filter screen 202, filter screen 202 can dismantle the connection in filtering 2 inside wall.

In this embodiment, as shown in fig. 2, the filter 202 may filter impurities while the solvent passes through the filter member 2.

Wherein, the top end of the tabling plate 3 is fixedly connected with an L-shaped pull handle 4.

In this embodiment, as shown in fig. 1, the filter member 2 can be taken out from the valve body by pulling the L-shaped pull handle 4.

It should be noted that, the utility model relates to a check valve structure for ink jet numbering machine, during operation, through rotating and screwing the pipe joint 10 into the interface A9, the external conical surface 11 of the pipe joint 10 and the internal conical surface 13 of the interface A9 are closely combined to play a sealing role, no special sealing element is needed to be added, the operation is simple and easy, the practicability is strong; one side of a pipe joint 10 corresponding to an interface A9 is connected with a solvent box, one side of an interface B12 is connected with an ink box, the solvent enters a one-way valve body through an interface A9 and flows to the ink box through an interface B12, according to the one-way valve structure for the code spraying machine provided by the patent No. 203594839U, the internal structure of the valve body ensures that the ink in the ink box can not flow back to the inside of the solvent box, so that the one-way circulation performance of the one-way valve is ensured, in the whole circulation process, the solvent can preferentially pass through a filter element 2, the filter element 202 is used for impurity filtering, and then flows into the ink box through the valve body, so that the problem that the impurities possibly remain in the solvent, the impurities are easily accumulated in the valve body after long-term use, the problems of blockage and the ink quality are possibly influenced are solved, the filter element 2 needs to be regularly cleaned when in use, the cleaning step is to firstly, then the lead screw 6 is pulled away from the chuck 8 to one side, the embedded plate 3 loses the upper pressing and clamping force of the chuck 8 at the upper end, and the L-shaped pull handle 4 is pulled, so that the filter piece 2 can be taken out from the valve body, and the blockage caused by excessive impurities accumulated on the surface of the filter screen 202 is avoided.

The utility model discloses a shell 1; a filter member 2; a frame 201; a screen 202; a fitting plate 3; an L-shaped pull handle 4; a screw rod sleeve 5; a screw rod 6; a rotating handle 7; a chuck 8; interface a 9; a pipe joint 10; an outer conical surface 11; interface B12; the internal conical surface 13 components are all standard or known to those skilled in the art and their construction and principle are known to those skilled in the art either through technical manuals or through routine experimentation.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a check valve structure for ink jet numbering machine, includes casing (1) and coupling (10), its characterized in that, interface A (9) have been seted up on casing (1) right side, interior conical surface (13) have been seted up to interface A (9) internal surface, the outer conical surface (11) have been seted up to coupling (10) surface, interface A (9) inside wall threaded connection has coupling (10), casing (1) upper end gomphosis has gomphosis board (3) and lead screw cover (5), lead screw cover (5) are located gomphosis board (3) right side, gomphosis board (3) lower extreme fixedly connected with filters piece (2), lead screw cover (5) inner wall threaded connection has lead screw (6), lead screw (6) right side fixedly connected with changes handle (7), and lead screw (6) right side fixedly connected with chuck (8).

2. The one-way valve structure for the inkjet printing machine according to claim 1, wherein a port B (12) is opened at the left side of the housing (1).

3. The check valve structure for the inkjet printing machine according to claim 1, wherein the fitting plate (3) is clamped with a sealing strip in a fitting gap with the housing (1).

4. A check valve structure for an ink jet printer according to claim 1, characterized in that the filter member (2) comprises a frame (201) and a filter screen (202), and the filter screen (202) is detachably connected to the inner side wall of the filter member (2).

5. The check valve structure for the inkjet printing machine according to claim 1, wherein an L-shaped pull handle (4) is fixedly connected to the top end of the embedded plate (3).