A tee valve pipeline switching device for water-based paint production

By designing gear transmission and limiting structure, the problem of sealing failure in the production of water-based coatings was solved, and reliable switching of the three-way valve pipeline was achieved, improving the continuity and safety of the production process.

CN224497688UActive Publication Date: 2026-07-14DAYU SONGYING CHEM CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DAYU SONGYING CHEM CO LTD
Filing Date
2025-07-21
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

In the current water-based coating production process, the common three-way valve switching method can easily lead to sealing failure, coating pressure buildup and leakage, affecting the continuity and safety of production.

Method used

A three-way valve pipeline switching device is adopted, which realizes the synchronous closing of the first sealing plate and the main pipe and the synchronous opening of the second sealing plate and the secondary pipe through the gear transmission mechanism. Combined with the limit structure, the elastic restoring force of the spring is used to ensure the stability of the sealing plate and provide a visual operation reference.

Benefits of technology

This technology enables synchronized flow control of water-based coatings between main and secondary pipes, improving the reliability and flexibility of pipeline switching and enhancing the stability and safety of the production process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to three -way valve pipeline technical field discloses a three -way valve pipeline switching device for water -based paint production, including pipeline structure, switching structure and limiting structure, switching structure and limiting structure install respectively on pipeline structure, switching structure includes first pivot, bearing seat, dial and second bevel gear, first pivot rotates and is installed between bearing seat, handle, gear, first bevel gear and first sealing plate are fixedly installed respectively on first pivot, first bevel gear installs second sealing plate through second bevel gear and second pivot. The utility model discloses the switching structure of setting, rotates through handle and drives first pivot, not only has realized the closing of first sealing plate and main pipe, simultaneously opens the second sealing plate through gear drive mechanism linkage second pipe, ensures switching process synchronization, no delay, the pointer and dial provide visual operation reference, avoid misoperation.
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Description

Technical Field

[0001] This utility model relates to the field of three-way valve pipeline technology, and in particular to a three-way valve pipeline switching device for water-based coating production. Background Technology

[0002] Water-based coatings typically involve the batch addition, mixing, and transportation of various raw materials during production, requiring frequent material switching between multiple storage tanks or production units. Three-way valve pipeline switching devices enable flexible switching between multiple pathways, possessing excellent sealing performance and fluid control capabilities. They meet the requirements of water-based coatings for pipeline cleanliness, corrosion resistance, and ease of operation, thereby improving production efficiency and batching accuracy.

[0003] In existing technologies, common switching methods often rely on two independent valves to control two passages respectively. This may result in a situation where the first sealing plate has blocked the main pipe, while the second sealing plate has not yet opened the secondary pipe, causing the coating to be pressurized in the pipeline. This can lead to seal failure and coating leakage during the switching process, affecting the continuity and safety of water-based coating production. Utility Model Content

[0004] Given that the existing common switching methods often rely on two independent valves to control two passages respectively, there may be situations where the first sealing plate has blocked the main pipe while the second sealing plate has not yet opened the secondary pipe, resulting in the coating being pressurized in the pipeline, leading to sealing failure and coating leakage during the switching process, which affects the continuity and safety of water-based coating production, this utility model is proposed.

[0005] Therefore, the purpose of this utility model is to provide a three-way valve pipeline switching device for water-based coating production. The purpose is that: common switching methods often rely on two independent valves to control two passages respectively. In such cases, the first sealing plate may have blocked the main pipe while the second sealing plate has not yet opened the secondary pipe, causing the coating to be pressurized in the pipeline, resulting in sealing failure and coating leakage during the switching process, which affects the continuity and safety of water-based coating production.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a three-way valve pipeline switching device for water-based coating production, comprising a pipeline structure, a switching structure, and a limiting structure. The switching structure and the limiting structure are respectively installed on the pipeline structure. The switching structure includes a first rotating shaft, a bearing seat, a dial, and a second bevel gear. The first rotating shaft is rotatably mounted between the bearing seats. A handle, a gear, a first bevel gear, and a first sealing plate are respectively fixedly installed on the first rotating shaft. The first bevel gear is connected to the second sealing plate via the second bevel gear and the second rotating shaft.

[0007] As a preferred embodiment of the three-way valve pipeline switching device for water-based coating production described in this utility model, the pipeline structure includes a main pipe, a secondary pipe, and a flange. The secondary pipe is fixedly installed in the middle of the main pipe, and the secondary pipe and the main pipe are internally interconnected. The flange is fixedly installed on the outer wall of the ends of the main pipe and the secondary pipe, respectively.

[0008] As a preferred embodiment of the three-way valve pipeline switching device for water-based coating production described in this utility model, the bearing seats are respectively fixedly installed on the outer walls of the main pipe and the secondary pipe, the first rotating shaft is rotatably installed between the bearing seats, the pointer is fixedly installed on the gear, and the scale is fixedly installed on the top of the main pipe and used in conjunction with the pointer.

[0009] In a preferred embodiment of the three-way valve pipeline switching device for water-based coating production described in this utility model, the second rotating shaft is rotatably mounted between the bearing seats, the second bevel gear is fixedly mounted at one end of the second rotating shaft, and the second bevel gear and the first bevel gear mesh with each other.

[0010] In a preferred embodiment of the three-way valve pipeline switching device for water-based coating production described in this utility model, the first sealing plate is inside the main pipe, the second sealing plate is fixedly installed on the second rotating shaft, and the second sealing plate is inside the secondary pipe.

[0011] As a preferred embodiment of the three-way valve pipeline switching device for water-based coating production described in this utility model, the limiting structure includes a fixed sleeve, a fixed plate, and a spring. The fixed sleeve is fixedly installed on the first rotating shaft, and limiting holes are provided at equal intervals on the fixed sleeve. The fixed plate is fixedly installed on the top of the main pipe, and a plug rod is slidably installed on the fixed plate. The plug rod and the limiting holes cooperate with each other. A disc is fixedly installed on one end of the plug rod, and the spring is sleeved on the plug rod. One end of the spring is fixedly connected to the disc, and the other end is fixedly connected to the fixed plate.

[0012] The beneficial effects of this utility model are:

[0013] 1. Through the set switching structure, the first rotating shaft is driven by the handle to not only close the first sealing plate and the main pipe, but also open the secondary pipe through the gear transmission mechanism linked to the second sealing plate. This ensures that the switching process is synchronous and without delay. The pointer and dial provide a visual operation reference to avoid misoperation and efficiently realize the flow direction control of water-based coatings between the main and secondary pipes, thereby improving the reliability and flexibility of pipeline switching in the production process.

[0014] 2. By setting a limiting structure, the elastic restoring force of the spring is used to achieve automatic limiting. The cooperation between the insertion rod and the limiting hole can accurately lock the position of the rotating shaft, ensuring that the first sealing plate and the second sealing plate maintain a stable switching state, improving the working reliability of the device in the coating production process, facilitating quick completion of limiting and unlocking, and enhancing the practicality and stability of the device. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the pipeline structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the switching structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the fixing sleeve of this utility model;

[0020] Figure 5 This is a schematic diagram of the limiting structure of this utility model.

[0021] Explanation of reference numerals in the attached figures:

[0022] 1. Pipeline structure; 11. Main pipe; 12. Secondary pipe; 13. Flange; 2. Switching structure; 201. First rotating shaft; 202. Bearing seat; 203. Handle; 204. Gear; 205. Pointer; 206. Dial; 207. First bevel gear; 208. Second rotating shaft; 209. Second bevel gear; 210. First sealing plate; 211. Second sealing plate; 3. Limiting structure; 31. Fixing sleeve; 32. Limiting hole; 33. Fixing plate; 34. Insert rod; 35. Disc; 36. Spring. Detailed Implementation

[0023] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0024] Example 1

[0025] Refer to attached figure Figure 1 - Appendix Figure 4This is the first embodiment of the present invention, which provides a three-way valve pipeline switching device for water-based coating production, including a pipeline structure 1, a switching structure 2 and a limiting structure 3. The switching structure 2 and the limiting structure 3 are respectively installed on the pipeline structure 1. The pipeline structure 1 includes a main pipe 11, a secondary pipe 12 and a flange 13. The secondary pipe 12 is fixedly installed in the middle position of the main pipe 11, and the secondary pipe 12 and the main pipe 11 are internally connected. One end of the main pipe 11 is the liquid inlet end and the other end is the liquid outlet end. The flange 13 is fixedly installed on the outer wall of the ends of the main pipe 11 and the secondary pipe 12 respectively.

[0026] The switching structure 2 includes a first rotating shaft 201, a bearing seat 202, and a dial 206. The bearing seats 202 are fixedly installed on the outer walls of the main pipe 11 and the secondary pipe 12, respectively. The first rotating shaft 201 is rotatably installed between the bearing seats 202. A handle 203 and a gear 204 are fixedly installed on the top end of the first rotating shaft 201, and a pointer 205 is fixedly installed on the gear 204. The dial 206 is fixedly installed on the top end of the main pipe 11 and works in conjunction with the pointer 205. The bottom of the first rotating shaft 201... A first bevel gear 207 is fixedly installed at one end, and a second rotating shaft 208 is rotatably installed between bearing seats 202. A second bevel gear 209 is fixedly installed at one end of the second rotating shaft 208. The second bevel gear 209 and the first bevel gear 207 mesh with each other. A first sealing plate 210 is fixedly installed on the first rotating shaft 201. The first sealing plate 210 is inside the main pipe 11 and close to the liquid outlet end. A second sealing plate 211 is fixedly installed on the second rotating shaft 208. The second sealing plate 211 is inside the secondary pipe 12.

[0027] During use, the pipes are connected to the external pipes via flange 13. The coating enters the main pipe 11 from the inlet end. When the switching structure 2 is not switched, the second sealing plate 211 seals the secondary pipe 12, and the first sealing plate 210 opens inside the main pipe 11. At the same time, the pointer 205 points to the 0 mark on the dial 206, allowing the coating to flow out from the outlet end of the main pipe 11. When switching is required, the handle 203 is turned, which drives the first rotating shaft 201 to rotate. The first rotating shaft 201 drives the gears... Wheel 204, first bevel gear 207 and first sealing plate 210 rotate, gear 204 drives pointer 205 to rotate, pointer 205 cooperates with dial 206 to know the rotation angle, first bevel gear 207 drives second shaft 208 to rotate through second bevel gear 209, second shaft 208 drives second sealing plate 211 to rotate, when first shaft 201 rotates 90°, first sealing plate 210 seals main pipe 11, at this time second sealing plate 211 opens the inside of secondary pipe 12 to achieve switching effect.

[0028] Example 2

[0029] Refer to attached figure Figure 4 and attached Figure 5 This is the second embodiment of the present invention, which differs from the first embodiment in that:

[0030] The limiting structure 3 includes a fixed sleeve 31, a fixed plate 33, and a spring 36. The fixed sleeve 31 is fixedly installed on the first rotating shaft 201. Limiting holes 32 are provided at equal intervals on the fixed sleeve 31. The fixed plate 33 is fixedly installed on the top of the main pipe 11. The insert rod 34 is slidably installed on the fixed plate 33. The insert rod 34 and the limiting holes 32 cooperate with each other. One end of the insert rod 34 is fixedly installed with a disc 35. The spring 36 is sleeved on the insert rod 34. One end of the spring 36 is fixedly connected to the disc 35, and the other end is fixedly connected to the fixed plate 33.

[0031] During use, pulling the disc 35 causes the insertion rod 34 to slide within the fixed plate 33, simultaneously stretching the spring 36. When the first rotating shaft 201 rotates 90°, the limiting hole 32 and the insertion rod 34 align. Releasing the disc 35 allows the spring 36 to automatically reset, inserting the insertion rod 34 into the limiting hole 32, thus limiting the fixing sleeve 31 and fixing the first rotating shaft 201. This, in turn, stabilizes the first sealing plate 210 and the second sealing plate 211. It should be noted that the above embodiments are merely illustrative of the technical solution of this utility model and not intended to limit it. Although the utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications and substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A three-way valve pipeline switching device for water-based coating production, characterized in that: The system includes a pipe structure (1), a switching structure (2), and a limiting structure (3). The switching structure (2) and the limiting structure (3) are respectively installed on the pipe structure (1). The switching structure (2) includes a first rotating shaft (201), a bearing seat (202), a dial (206), and a second bevel gear (209). The first rotating shaft (201) is rotatably installed between the bearing seats (202). A handle (203), a gear (204), a first bevel gear (207), and a first sealing plate (210) are respectively fixedly installed on the first rotating shaft (201). The first bevel gear (207) is connected to the second sealing plate (211) via the second bevel gear (209) and the second rotating shaft (208).

2. The three-way valve pipeline switching device for water-based coating production according to claim 1, characterized in that: The pipeline structure (1) includes a main pipe (11), a secondary pipe (12) and a flange (13). The secondary pipe (12) is fixedly installed in the middle of the main pipe (11), and the secondary pipe (12) and the main pipe (11) are internally connected. The flange (13) is fixedly installed on the outer wall of the end of the main pipe (11) and the secondary pipe (12) respectively.

3. The three-way valve pipeline switching device for water-based coating production according to claim 1, characterized in that: The bearing seats (202) are fixedly installed on the outer walls of the main pipe (11) and the secondary pipe (12), respectively. The first rotating shaft (201) is rotatably installed between the bearing seats (202). The pointer (205) is fixedly installed on the gear (204). The dial (206) is fixedly installed on the top of the main pipe (11) and is used in conjunction with the pointer (205).

4. The three-way valve pipeline switching device for water-based coating production according to claim 3, characterized in that: The second rotating shaft (208) is rotatably mounted between the bearing seats (202), and the second bevel gear (209) is fixedly mounted on one end of the second rotating shaft (208). The second bevel gear (209) and the first bevel gear (207) mesh with each other.

5. The three-way valve pipeline switching device for water-based coating production according to claim 4, characterized in that: The first sealing plate (210) is inside the main pipe (11), and the second sealing plate (211) is fixedly installed on the second rotating shaft (208). The second sealing plate (211) is inside the secondary pipe (12).

6. The three-way valve pipeline switching device for water-based coating production according to claim 1, characterized in that: The limiting structure (3) includes a fixed sleeve (31), a fixed plate (33), and a spring (36). The fixed sleeve (31) is fixedly installed on the first rotating shaft (201). Limiting holes (32) are provided at equal intervals on the fixed sleeve (31). The fixed plate (33) is fixedly installed on the top of the main pipe (11). A plug rod (34) is slidably installed on the fixed plate (33). The plug rod (34) and the limiting holes (32) cooperate with each other. A disc (35) is fixedly installed on one end of the plug rod (34). The spring (36) is sleeved on the plug rod (34). One end of the spring (36) is fixedly connected to the disc (35), and the other end is fixedly connected to the fixed plate (33).