Waste liquid detection device of printer

Abstract

The utility model provides a waste liquid detection device of a printer, which comprises a waste liquid storage box used for storing waste liquid of the printer and provided with a pipeline, and the pipeline comprises a waste liquid overflow pipeline mounted on the right side of the waste liquid storage box, a first waste liquid discharge pipeline mounted in the waste liquid storage box and a waste liquid collection pipeline mounted on the left side of the waste liquid storage box; the overflow storage box is used for waste liquid overflow storage and is connected with the waste liquid storage box through a waste liquid overflow pipeline; the liquid level sensor comprises a first liquid level sensor used for detecting the storage condition of waste liquid in the waste liquid storage box and a second liquid level sensor used for detecting the storage condition of the overflow storage box, the first liquid level sensor is in threaded connection with the waste liquid storage box, and the second liquid level sensor is in threaded connection with the overflow storage box. According to the waste liquid detection device disclosed by the utility model, the independent liquid level detection sensors are arranged for the waste liquid storage box and the overflow storage box, so that workers can conveniently check the internal states of the waste liquid storage box and the overflow storage box.

Description

Technical Field

[0001] The utility model belongs to the technical field of inkjet printing equipment, and particularly relates to a waste liquid detection device for a printer. Background Art

[0002] The detection of the waste liquid level in a printer generally refers to the real-time monitoring of the generated waste liquid during the operation of the printer to keep the liquid level in the waste liquid container within a safe range and avoid waste liquid overflow causing pollution or damage to the printer equipment.

[0003] Currently, the waste liquid collection buckets of decentralized printers in printing factories are installed in the equipment and cannot be directly observed, often resulting in overflow situations, seriously affecting the printing quality of the printer and easily damaging the printing equipment. Summary of the Utility Model

[0004] In view of this, the utility model aims to provide a waste liquid detection device for a printer to solve the problems that the waste liquid collection bucket is installed in the equipment and cannot be directly observed, often resulting in overflow situations, seriously affecting the printing quality of the printer and easily damaging the printing equipment.

[0005] To achieve the above object, the technical solution of the utility model is realized as follows:

[0006] The utility model provides a waste liquid detection device for a printer, including a waste liquid storage box 1, a liquid level sensor, and an overflow storage box 16;

[0007] The waste liquid storage box 1 is used for storing printer waste liquid, and is provided with pipelines thereon. The pipelines include a waste liquid overflow pipeline 5 installed on the right side of the waste liquid storage box 1, a first waste liquid drainage pipeline 10 installed inside the waste liquid storage box 1, and a waste liquid collection pipeline 18 installed on the left side of the waste liquid storage box 1. The waste liquid overflow pipeline 5 is used for waste liquid to overflow and flow out of the waste liquid storage box 1, the first waste liquid drainage pipeline 10 is used for emptying the residual waste liquid stored in the waste liquid storage box, and the waste liquid collection pipeline 18 is used for waste liquid to flow into the waste liquid storage box 1;

[0008] The overflow storage box 16 is used for storing overflow waste liquid and is connected to the waste liquid storage box 1 through the waste liquid overflow pipeline 5;

[0009] The liquid level sensor includes a first liquid level sensor 4 for detecting the storage situation of waste liquid in the waste liquid storage box and a second liquid level sensor 18 for detecting the storage situation of the overflow storage box. The first liquid level sensor 4 is threadedly connected to the waste liquid storage box 1, and the second liquid level sensor 17 is threadedly connected to the overflow storage box 16.

[0010] Further, the waste liquid storage box 1 includes an upper cover plate 3 and a waste liquid storage box body, and the upper cover plate 3 is bolted to the waste liquid storage box body; the overflow storage box 16 includes an upper cover plate 3 and an overflow storage box body, and the upper cover plate 3 is bolted to the overflow storage box body;

[0011] The waste liquid storage box body includes a first side plate 2, a front plate 7, a rear plate 14, a partition plate 11, an upper long backing plate 13, an upper short backing plate 12, a bottom plate 9, and a bottom backing plate 8;

[0012] The overflow storage box body includes a first side plate 2, a second side plate 19, a front plate 7, a rear plate 14, a partition plate 11, an upper long backing plate 13, an upper short backing plate 12, a bottom plate 9, and a bottom backing plate 8.

[0013] Further, the partition plate 11 divides the waste liquid storage box body into an upper storage box liquid storage area 101 and a lower storage box cavity area 102, and the liquid storage area 101 is used for storing printer waste liquid; the partition plate 11 includes a first horizontal partition, a second horizontal partition, and an inclined partition arranged obliquely. The first horizontal partition is on the left side of the inclined partition, the second horizontal partition is on the right side of the inclined partition, and the second horizontal partition is above the first horizontal partition; the cavity formed by the first horizontal partition, the second horizontal partition, and the inclined partition penetrates to the first side plate 2, and a trapezoidal hole 201 is provided on the first side plate 2, and the trapezoidal hole 201 is connected to the surface of the partition plate 11; the first waste liquid drainage pipeline 10 is connected to the first horizontal partition.

[0014] Further, the partition plate 11 divides the overflow storage box body into an upper overflow box liquid storage area 1601 and a lower overflow box cavity area 1602, and the overflow box liquid storage area 1601 is used for storing waste liquid storage box overflow waste liquid; the cavity formed by the first horizontal partition, the second horizontal partition, and the inclined partition penetrates to the second side plate 19 and the third side plate 15 respectively, and a trapezoidal hole 201 is provided on the third side plate 15, and a trapezoidal hole 201 is provided on the second side plate 19; the second waste liquid drainage pipeline 20 is connected to the first horizontal partition.

[0015] Further, the first side plate 2, the front plate 7, and the rear plate 14 of the waste liquid storage box body all have bending surfaces. The upper parts of the front plate 7 and the rear plate 14 have bending surfaces, and the upper and bottom parts of the first side plate 2 have bending surfaces. The bending surface on the upper part of the first side plate 2 and the bending surfaces on the upper parts of the front plate 7 and the rear plate 14 are combined to form a first upper connecting plate of the waste liquid storage box body. The long bending surface of the first upper connecting plate is sequentially connected with the upper cover plate 3 and the upper long backing plate 13 by bolts, and the short bending surface of the upper connecting plate sequentially locks the upper cover plate 3 and the upper short backing plate 12 by bolts. The bottom bending surface of the first side plate 2 is sequentially locked with the bottom backing plate 8 and the bottom plate 9 by bolts.

[0016] Further, the third side plate 15, the second side plate 19, the front plate 7, and the rear plate 14 of the overflow storage box body are all provided with bending surfaces. The bending surfaces on the upper parts of the third side plate 15, the second side plate 19, the front plate 7, and the rear plate 14 are combined to form the second upper connecting plate of the overflow storage box body. The long bending surface of the second upper connecting plate is sequentially connected with the upper cover plate 3 and the upper long backing plate 13 through bolts. The short bending surface of the second upper connecting plate sequentially locks the upper cover plate 3 and the upper short backing plate 12 through bolts. The bottom bending surface of the third side plate 15 and the bottom bending surface of the second side plate 19 are sequentially locked with the bottom backing plate 8 and the bottom plate 9 through bolts.

[0017] Further, the upper cover plate 3 is provided with a cylindrical mounting seat. The top of the cylindrical mounting seat is provided with a threaded hole. The upper cover plate 3 connected to the waste liquid storage box 1 is threadedly connected with the first liquid level sensor 4, and the upper cover plate 3 connected to the overflow storage box 16 is threadedly connected with the second liquid level sensor 17.

[0018] Further, the first side plate 2, the front plate 7, the partition plate 11, and the rear plate 14 in the waste liquid storage box 1 are integrally formed. The front plate 7 and the rear plate 14 are connected by the first side plate 2 on the left and right sides. The first side plate 2 is provided with a through hole for installing a pipeline. The first side plate 2 on the left side of the waste liquid storage box 1 is used for installing the waste liquid collection pipeline 18, and the first side plate 2 on the right side of the waste liquid storage box 1 is used for installing the waste liquid overflow pipeline 5.

[0019] The third side plate 15, the second side plate 19, the front plate 7, the rear plate 14, and the partition plate 11 in the overflow storage box 16 are integrally formed. The left sides of the front plate 7 and the rear plate 14 are connected by the third side plate 15, and the right sides of the front plate 7 and the rear plate 14 are connected by the second side plate 19. The third side plate 15 on the left side of the overflow storage box 16 is used for installing the waste liquid overflow pipeline 5.

[0020] Further, a first vent valve is provided at the first waste liquid drainage pipeline 10, a second vent valve is provided at the second waste liquid drainage pipeline 20, and an overflow valve is provided at the waste liquid overflow pipeline 5. The overflow valve is used to adjust the amount of waste liquid in the waste liquid storage box, and the overflow valve is connected to the first liquid level sensor 4.

[0021] Further, a plurality of threaded holes are provided on the outer shell of the printer device, and a liquid level observation plate is locked at the threaded holes. The liquid level observation plate is hermetically connected to the outer shell of the printer device, and the liquid level observation plate is respectively connected to the first liquid level sensor 4 and the second liquid level sensor 18.

[0022] Compared with the prior art, the waste liquid detection device of the present utility model has the following advantages:

[0023] (1) The utility model provides a waste liquid storage box and an overflow storage box for the waste liquid of a printer. On the basis of storing the waste liquid, a separate overflow storage box is set for the overflow situation. At the same time, separate liquid level detection sensors are set for the waste liquid storage box and the overflow storage box, which is convenient for the staff to check the internal states of the waste liquid storage box and the overflow storage box.

[0024] (2) In the utility model, the liquid storage parts of the waste liquid storage box and the overflow storage box are set as an integrally formed part, which has good mechanical properties, making the container more durable. The seamless structure helps to improve the sealing performance of the container and reduce the possibility of waste liquid leakage.

[0025] (3) In the utility model, drain valves are set on the waste liquid drain pipelines of both the waste liquid storage box and the overflow storage box to discharge the liquid in the container during non-working periods or in emergency situations, so as to prevent the container from exploding or being damaged due to excessive pressure. An overflow valve is connected to the first liquid level sensor, and the overflow valve can be adjusted according to the overflow of the first liquid level sensor to prevent the container from being overfilled, thereby keeping the liquid level within a safe range.

[0026] (4) In the utility model, the first liquid level sensor and the second liquid level sensor are connected to the liquid level observation board on the outer shell of the printer device, which is convenient for the staff to observe the liquid levels in the waste liquid storage box and the overflow storage box. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The drawings constituting a part of the present utility model are used to provide a further understanding of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model.

[0028] In the drawings:

[0029] Figure 1 is the overall axonometric schematic diagram of the waste liquid detection device according to the embodiment of the present utility model;

[0030] Figure 2 is the overall front view schematic diagram of the waste liquid detection device according to the embodiment of the present utility model;

[0031] Figure 3 is the sectional view A-A of the overall front view of the waste liquid detection device according to the embodiment of the present utility model;

[0032] Figure 4 is the sectional view C-C of the overall front view of the waste liquid detection device according to the embodiment of the present utility model;

[0033] Figure 5 is the overall side view schematic diagram of the waste liquid detection device according to the embodiment of the present utility model;

[0034] Figure 6 Schematic diagram of B-B in the overall side view of the waste liquid detection device described in the embodiment of the present utility model;

[0035] Figure 7 Rear view schematic diagram of the overall waste liquid detection device described in the embodiment of the present utility model;

[0036] Explanation of reference numerals:

[0037] 1. Waste liquid storage box; 2. First side plate; 3. Upper cover plate; 4. First liquid level sensor; 5. Waste liquid overflow pipeline; 7. Front plate; 8. Bottom cushion plate; 9. Bottom plate; 10. First waste liquid drainage pipeline; 11. Partition plate; 12. Upper short cushion plate; 13. Upper long cushion plate; 14. Rear plate; 15. Third side plate; 16. Overflow storage box; 17. Second liquid level sensor; 18. Waste liquid collection pipeline; 19. Second side plate; 20. Second waste liquid drainage pipeline; 101. Storage box liquid storage area; 102. Storage box cavity area; 201. Trapezoidal hole; 1601. Overflow box liquid storage area; 1602. Overflow box cavity area. Detailed implementation manners

[0038] It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments may be combined with each other.

[0039] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "up", "down", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more.

[0040] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0041] The present utility model will be described in detail below with reference to the drawings and in conjunction with embodiments.

[0042] Referring to Figure 1-7 As shown, this embodiment provides a waste liquid detection device for a printer, including a waste liquid storage box 1, a liquid level sensor, and an overflow storage box 16; the waste liquid storage box 1 is used to store the waste liquid of the printer, and is provided with pipelines thereon. The pipelines include a waste liquid overflow pipeline 5 installed on the right side of the waste liquid storage box 1, a first waste liquid drainage pipeline 10 installed inside the waste liquid storage box 1, and a waste liquid collection pipeline 18 installed on the left side of the waste liquid storage box 1. The waste liquid overflow pipeline 5 is used for the waste liquid to overflow and flow out of the waste liquid storage box 1, the first waste liquid drainage pipeline 10 is used to empty the residual waste liquid stored in the waste liquid storage box, and the waste liquid collection pipeline 18 is used for the waste liquid to flow into the waste liquid storage box 1; the overflow storage box 16 is used for storing the overflowed waste liquid, and is connected to the waste liquid storage box 1 through the waste liquid overflow pipeline 5; the liquid level sensor includes a first liquid level sensor 4 for detecting the storage condition of the waste liquid in the waste liquid storage box and a second liquid level sensor 18 for detecting the storage condition of the overflow storage box. The first liquid level sensor 4 is threadedly connected to the waste liquid storage box 1, and the second liquid level sensor 17 is threadedly connected to the overflow storage box 16.

[0043] In this embodiment, a waste liquid storage box and an overflow storage box are provided for the waste liquid of the printer. On the basis of storing the waste liquid, a separate overflow storage box is set for the overflow situation. At the same time, separate liquid level detection sensors are set for the waste liquid storage box and the overflow storage box, which is convenient for the staff to check the internal states of the waste liquid storage box and the overflow storage box, and is more convenient for the staff to adjust the printer equipment.

[0044] Specifically, in this embodiment, the waste liquid storage box 1 includes an upper cover plate 3 and a waste liquid storage box body, and the upper cover plate 3 is bolted to the waste liquid storage box body; the overflow storage box 16 includes an upper cover plate 3 and an overflow storage box body, and the upper cover plate 3 is bolted to the overflow storage box body; the waste liquid storage box body includes a first side plate 2, a front plate 7, a rear plate 14, a partition plate 11, an upper long backing plate 13, an upper short backing plate 12, a bottom plate 9, and a bottom backing plate 8; the overflow storage box body includes a first side plate 2, a second side plate 19, a front plate 7, a rear plate 14, a partition plate 11, an upper long backing plate 13, an upper short backing plate 12, a bottom plate 9, and a bottom backing plate 8.

[0045] Specifically, in this embodiment, the partition plate 11 divides the box body of the waste liquid storage box into an upper storage box liquid storage area 101 and a lower storage box cavity area 102. The liquid storage area 101 is used to store the waste liquid of the printer. The partition plate 11 includes a first horizontal partition, a second horizontal partition, and an inclined partition arranged obliquely. The first horizontal partition is on the left side of the inclined partition, the second horizontal partition is on the right side of the inclined partition, and the second horizontal partition is above the first horizontal partition. The cavity formed by the first horizontal partition, the second horizontal partition, and the inclined partition penetrates to the first side plate 2, and a trapezoidal hole 201 is provided on the first side plate 2. The trapezoidal hole 201 is connected to the surface of the partition plate 11. The first waste liquid drainage pipeline 10 is connected to the first horizontal partition.

[0046] Specifically, in this embodiment, the partition plate 11 divides the box body of the overflow storage box into an upper overflow box liquid storage area 1601 and a lower overflow box cavity area 1602. The overflow box liquid storage area 1601 is used to store the overflow waste liquid of the waste liquid storage box. The cavity formed by the first horizontal partition, the second horizontal partition, and the inclined partition penetrates to the second side plate 19 and the third side plate 15 respectively. A trapezoidal hole 201 is provided on the third side plate 15, and a trapezoidal hole 201 is provided on the second side plate 19. The second waste liquid drainage pipeline 20 is connected to the first horizontal partition.

[0047] In this embodiment, both the waste liquid storage box and the overflow storage box are provided with anti-liquid accumulation structures inside the box. The setting of the inclined partition is beneficial for the waste liquid to flow from high to low to the first horizontal partition.

[0048] Specifically, in this embodiment, the first side plate 2, the front plate 7, and the rear plate 14 of the box body of the waste liquid storage box all have bent surfaces. The upper parts of the front plate 7 and the rear plate 14 have bent surfaces. The upper and bottom parts of the first side plate 2 have bent surfaces. The bent surface on the upper part of the first side plate 2, the bent surface on the upper part of the front plate 7, and the bent surface on the upper part of the rear plate 14 are combined to form the first upper connecting plate of the box body of the waste liquid storage box. The long bent surface of the first upper connecting plate is sequentially connected with the upper cover plate 3 and the upper long backing plate 13 through bolts. The short bent surface of the upper connecting plate sequentially locks the upper cover plate 3 and the upper short backing plate 12 through bolts. The bent surface at the bottom of the first side plate 2 is sequentially locked with the bottom backing plate 8 and the bottom plate 9 through bolts.

[0049] Specifically, in this embodiment, the third side plate 15, the second side plate 19, the front plate 7, and the rear plate 14 of the overflow storage box body all have bending surfaces. The bending surfaces on the upper parts of the third side plate 15, the second side plate 19, the front plate 7, and the rear plate 14 are combined to form the second upper connecting plate of the overflow storage box body. The long bending surface of the second upper connecting plate is sequentially connected with the upper cover plate 3 and the upper long backing plate 13 by bolts. The short bending surface of the second upper connecting plate sequentially locks the upper cover plate 3 and the upper short backing plate 12 by bolts. The bottom bending surface of the third side plate 15 and the bottom bending surface of the second side plate 19 are sequentially locked with the bottom backing plate 8 and the bottom plate 9 by bolts.

[0050] In this embodiment, backing plates are provided at the bending parts. The backing plates can increase the contact area between the bolts and the thin wall, thereby dispersing the pressure, reducing the pressure per unit area, and avoiding damage caused by pressure concentration. The backing plates make the connection between the bolts and the thin wall more stable and prevent loosening caused by vibration or impact. The backing plates play an isolating role, preventing the direct contact between the bolts and the thin wall, thereby reducing the possibility of corrosion.

[0051] Specifically, in this embodiment, the upper cover plate 3 is provided with a cylindrical mounting seat. The top of the cylindrical mounting seat is provided with a threaded hole. The upper cover plate 3 connected to the waste liquid storage box 1 is threadedly connected with the first liquid level sensor 4, and the upper cover plate 3 connected to the overflow storage box 16 is threadedly connected with the second liquid level sensor 17.

[0052] Specifically, in this embodiment, the first side plate 2, the front plate 7, the partition plate 11, and the rear plate 14 in the waste liquid storage box 1 are integrally formed parts. The left and right sides of the front plate 7 and the rear plate 14 are connected by the first side plate 2. The first side plate 2 is provided with through holes for installing pipelines. The first side plate 2 on the left side of the waste liquid storage box 1 is used to install the waste liquid collection pipeline 18, and the first side plate 2 on the right side of the waste liquid storage box 1 is used to install the waste liquid overflow pipeline 5; the third side plate 15, the second side plate 19, the front plate 7, the rear plate 14, and the partition plate 11 in the overflow storage box 16 are integrally formed parts. The left side of the front plate 7 and the rear plate 14 is connected by the third side plate 15, and the right side of the front plate 7 and the rear plate 14 is connected by the second side plate 19. The third side plate 15 on the left side of the overflow storage box 16 is used to install the waste liquid overflow pipeline 5.

[0053] In this embodiment, the liquid storage parts of the waste liquid storage box and the overflow storage box are set as integrally formed parts, which have good mechanical properties, making the container more solid and durable. The seamless structure helps to improve the sealing performance of the container and reduce the possibility of waste liquid leakage.

[0054] Specifically, in this embodiment, a first vent valve is provided at the first waste liquid drain pipeline 10, a second vent valve is provided at the second waste liquid drain pipeline 20, and an overflow valve is provided at the waste liquid overflow pipeline 5. The overflow valve is used to adjust the amount of waste liquid in the waste liquid storage box, and the overflow valve is connected to the first liquid level sensor 4.

[0055] In this embodiment, vent valves are provided on the waste liquid drain pipelines of both the waste liquid storage box and the overflow storage box to discharge the liquid in the container during non-working periods or in case of emergencies, so as to prevent the container from exploding or being damaged due to excessive pressure. The overflow valve is used for the pressure in the container. When the pressure exceeds the set value, the overflow valve will open to discharge the excess fluid, thereby maintaining the overall pressure stability of the device. In this embodiment, an additional overflow valve is connected to the first liquid level sensor, and the overflow valve can adjust the overflow according to the detection of the first liquid level sensor to prevent the container from being overfilled, thereby keeping the liquid level within a safe range.

[0056] Specifically, in this embodiment, a plurality of threaded holes are provided on the outer shell of the printer device, and the liquid level observation plate is locked at the threaded holes. The liquid level observation plate is hermetically connected to the outer shell of the printer device, and the liquid level observation plate is respectively connected to the first liquid level sensor 4 and the second liquid level sensor 18.

[0057] In this embodiment, the first liquid level sensor and the second liquid level sensor are connected to the liquid level observation plate on the outer shell of the printer device, which is convenient for the staff to observe the liquid levels in the waste liquid storage box and the overflow storage box.

[0058] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A waste liquid detection device for a printer, characterized in that: It comprises a waste liquid storage box (1), a liquid level sensor, and an overflow storage box (16); The waste liquid storage box (1) is used to store printer waste liquid, and is provided with pipelines, the pipelines comprising a waste liquid overflow pipeline (5) installed on the right side of the waste liquid storage box (1), a first waste liquid drainage pipeline (10) installed in the waste liquid storage box (1), and a waste liquid collecting pipeline (18) installed on the left side of the waste liquid storage box (1), the waste liquid overflow pipeline (5) is used for waste liquid to overflow and flow out of the waste liquid storage box (1), the first waste liquid drainage pipeline (10) is used for emptying the waste liquid residual flow stored in the waste liquid storage box, and the waste liquid collecting pipeline (18) is used for waste liquid to flow into the waste liquid storage box (1); The overflow storage box (16) is used for storing waste liquid overflow, and is connected to the waste liquid storage box (1) via a waste liquid overflow pipeline (5); The liquid level sensor comprises a first liquid level sensor (4) for detecting the storage condition of waste liquid in a waste liquid storage box and a second liquid level sensor (17) for detecting the storage condition of an overflow storage box, wherein the first liquid level sensor (4) is threadedly connected to the waste liquid storage box (1), and the second liquid level sensor (17) is threadedly connected to the overflow storage box (16).

2. The waste liquid detection device according to claim 1, characterized in that: The waste liquid storage box (1) comprises an upper cover plate (3) and a waste liquid storage box body, wherein the upper cover plate (3) is connected to the waste liquid storage box body by bolts; the overflow storage box (16) comprises an upper cover plate (3) and an overflow storage box body, wherein the upper cover plate (3) is connected to the overflow storage box body by bolts; The waste liquid storage box body comprises a first side plate (2), a front plate (7), a rear plate (14), a partition plate (11), an upper long pad (13), an upper short pad (12), a bottom plate (9), and a bottom pad (8); The overflow storage box body comprises a first side plate (2), a second side plate (19), a front plate (7), a rear plate (14), a partition plate (11), an upper long pad plate (13), an upper short pad plate (12), a bottom plate (9), and a bottom pad plate (8).

3. The waste liquid detection device according to claim 2, characterized in that: The partition plate (11) divides the waste liquid storage box body into an upper storage box liquid storage area (101) and a lower storage box cavity area (102), wherein the liquid storage area (101) is used to store printer waste liquid; the partition plate (11) comprises a first horizontal partition plate, a second horizontal partition plate, and an inclined partition plate arranged obliquely, wherein the first horizontal partition plate is on the left side of the inclined partition plate, the second horizontal partition plate is on the right side of the inclined partition plate, and the second horizontal partition plate is above the first horizontal partition plate; the cavity formed by the first horizontal partition plate, the second horizontal partition plate, and the inclined partition plate extends to the first side plate (2), wherein the first side plate (2) is provided with a trapezoidal hole (201), wherein the trapezoidal hole (201) is connected to the surface of the partition plate (11); and the first waste liquid discharge pipeline (10) is connected to the first horizontal partition plate.

4. The waste liquid detection device according to claim 3, characterized in that: The partition plate (11) divides the overflow storage box body into an upper overflow box liquid storage area (1601) and a lower overflow box cavity area (1602); the overflow box liquid storage area (1601) is used to store waste liquid overflowing from the waste liquid storage box; the cavity formed by the first horizontal partition plate, the second horizontal partition plate, and the inclined partition plate respectively penetrates to the second side plate (19) and the third side plate (15); the third side plate (15) is provided with a trapezoidal hole (201); the second side plate (19) is provided with a trapezoidal hole (201); the second waste liquid discharge pipeline (20) is connected to the first horizontal partition plate.

5. The waste liquid detection device according to claim 4, characterized in that: The first side panel (2), the front panel (7) and the rear panel (14) of the waste liquid storage box body all have bending surfaces, the upper parts of the front panel (7) and the rear panel (14) have bending surfaces, the upper part and the bottom part of the first side panel (2) both have bending surfaces, the bending surface of the upper part of the first side panel (2) is combined with the bending surface of the upper part of the front panel (7) and the bending surface of the upper part of the rear panel (14) to form a first upper connecting plate of the waste liquid storage box body, the long bending surface of the first upper connecting plate is connected to the upper cover plate (3) and the upper long pad (13) in sequence by bolts, the short bending surface of the upper connecting plate is locked to the upper cover plate (3) and the upper short pad (12) in sequence by bolts, and the bottom bending surface of the first side panel (2) is locked to the bottom pad (8) and the bottom plate (9) in sequence by bolts.

6. The waste liquid detection device according to claim 5, characterized in that: The third side plate (15), the second side plate (19), the front plate (7) and the rear plate (14) of the overflow storage box body all have bent surfaces. The bent surface of the upper part of the third side plate (15), the bent surface of the upper part of the second side plate (19), the bent surface of the upper part of the front plate (7) and the bent surface of the upper part of the rear plate (14) are combined to form a second upper connecting plate of the overflow storage box body. The long bent surface of the second upper connecting plate is connected to the upper cover plate (3) and the upper long pad plate (13) in sequence by bolts. The short bent surface of the second upper connecting plate is locked to the upper cover plate (3) and the upper short pad plate (12) in sequence by bolts. The bottom bent surface of the third side plate (15) and the bottom bent surface of the second side plate (19) are locked to the bottom pad plate (8) and the bottom plate (9) in sequence by bolts.

7. The waste liquid detection device according to claim 6, characterized in that: The upper cover plate (3) is provided with a cylindrical mounting seat, the top of the cylindrical mounting seat is provided with a threaded hole, the upper cover plate (3) connected to the waste liquid storage box (1) is threadedly connected to the first liquid level sensor (4), and the upper cover plate (3) connected to the overflow storage box (16) is threadedly connected to the second liquid level sensor (17).

8. The waste liquid detection device according to claim 7, characterized in that: The first side plate (2), the front plate (7), the partition plate (11), and the rear plate (14) in the waste liquid storage box (1) are integrally formed parts; the left and right sides of the front plate (7) and the rear plate (14) are connected via the first side plate (2); the first side plate (2) is provided with a through hole, and the through hole is used to install a pipeline; the first side plate (2) located on the left side of the waste liquid storage box (1) is used to install a waste liquid collection pipeline (18); and the first side plate (2) located on the right side of the waste liquid storage box (1) is used to install a waste liquid overflow pipeline (5); The third side plate (15), the second side plate (19), the front plate (7), the rear plate (14), and the partition plate (11) in the overflow storage box (16) are integrally formed parts; the left sides of the front plate (7) and the rear plate (14) are connected via the third side plate (15); the right sides of the front plate (7) and the rear plate (14) are connected via the second side plate (19); and the third side plate (15) located on the left side of the overflow storage box (16) is used to install a waste liquid overflow pipeline (5).

9. The waste liquid detection device according to claim 8, characterized in that: A first drain valve is provided at the first waste liquid discharge pipeline (10), a second drain valve is provided at the second waste liquid discharge pipeline (20), and an overflow valve is provided at the waste liquid overflow pipeline (5). The overflow valve is used to adjust the amount of waste liquid in the waste liquid storage box, and the overflow valve is connected to the first liquid level sensor (4).

10. The waste liquid detection device according to claim 9, characterized in that: A plurality of threaded holes are provided on the printer device housing, and a liquid level observation plate is locked at the threaded holes. The liquid level observation plate is sealedly connected to the printer device housing, and the liquid level observation plate is respectively connected to a first liquid level sensor (4) and a second liquid level sensor (17).

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