Pigment printing roller capable of draining water easily

By setting drainage holes and a sliding drainage tray on the coating printing roller, the problem of coating residue during the cleaning process is solved, enabling rapid drainage and cleaning of the coating printing roller, and ensuring the stability and hygiene of the coating effect.

CN223767103UActive Publication Date: 2026-01-06GUANGDONG WACKE NEW MATERIALS CO LTD
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Patent Information

Application Number
CN202423287248.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2026-01-06
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

During the cleaning process, water can easily seep into the frame of the existing printing rollers and leave paint residue, causing the paint liquid to accumulate, mold, and smell for a long time, affecting the consistency of the painted wall surface.

Method used

A paint printing roller with easy drainage was designed. Drainage holes were set on the first and second shaft seats, and a sliding drainage disc was set between them. The drainage disc was moved along the shaft by a push-pull handle, which quickly squeezed out the paint in the skeleton and avoided residue.

Benefits of technology

It effectively prevents paint residue inside the frame, keeps the roller brush head assembly clean, ensures the consistency of the painted wall surface, and avoids mold growth.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223767103U_ABST
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Abstract

The utility model discloses a paint printing roller easy to drain water. The paint printing roller comprises a handle, a support and a rolling brush head assembly. Drain holes are formed in the first shaft seat and the second shaft seat and are close to the outer edges of the first shaft seat and the second shaft seat; a drainage disc is arranged between the first shaft seat and the second shaft seat and penetrates through the shaft column, and the outer edge of the drainage disc can be attached to the inner wall of the framework; rod penetrating holes are formed in the first shaft seat and / or the second shaft seat; the push-pull handle can penetrate through the rod penetrating hole and is connected with the drainage disc so that the drainage disc can move along the two ends of the shaft column. According to the rolling brush head assembly, the drainage disc moves along the two ends of the shaft column in the framework, so that paint in the framework is rapidly squeezed out through the drainage holes, the interior of the framework of the rolling brush head assembly is kept clean, and residues of the internal paint are preferentially avoided.
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Description

Technical Field

[0001] This utility model relates to the field of coating tool technology, and in particular to a paint printing roller that is easy to drain. Background Technology

[0002] On a freshly painted wall, a printing roller can be used to apply another coat of paint along the surface, leaving the roller's pattern. However, the rollers need to be cleaned after each application to prevent the paint from solidifying and affecting future use. With existing printing rollers, water can easily enter the frame through the shaft hole during cleaning and remain there. Prolonged paint buildup can lead to mold and odor, and it can also leak out when applying different paints, affecting the consistency of the painted wall. Therefore, there is a need to design a paint printing roller that can easily remove residual paint from inside the frame. Utility Model Content

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes an easy-draining coating printing roller.

[0004] The technical solution adopted by one embodiment of this utility model to solve its technical problem is: an easy-draining paint printing roller, including a handle, a bracket, and a roller brush head assembly; one end of the bracket is connected to the handle, and the other end is provided with a shaft post; the roller brush head assembly includes a frame and a first shaft seat and a second shaft seat respectively disposed at both ends of the frame; the shaft post can pass through the first shaft seat and the second shaft seat, and the first shaft seat and the second shaft seat are locked by a locking cap;

[0005] The first and second bearing seats are provided with drainage holes, which are located near the outer edges of the first and second bearing seats; a drainage plate is provided between the first and second bearing seats, which passes through the shaft column and whose outer edge can be attached to the inner wall of the frame.

[0006] The first and / or second shaft seats are provided with through holes; the push-pull handle can pass through the through holes and be connected to the drain plate to move the drain plate along both ends of the shaft column.

[0007] Optionally, the drainage tray is made of rubber material and has soft protrusions on its outer edge.

[0008] Optionally, the push-pull handle includes a connecting plate, a handle body, and a connecting rod; the connecting rod is disposed on the connecting plate, and the handle body is disposed on the side opposite to the connecting plate.

[0009] Optionally, at least two connecting rods are provided, which are evenly distributed circumferentially on the connecting disc.

[0010] Optionally, a limiting protrusion is provided at the end of the connecting rod; an arc-shaped limiting groove is provided on the side of the drainage tray; rotating the connecting tray allows the limiting protrusion to be engaged in the arc-shaped limiting groove.

[0011] Optionally, the shaft column is provided with a guide groove extending along the axial direction, and the inner edge of the drain pan is provided with a guide block, which can slide within the guide groove.

[0012] Optionally, the skeleton is a cylindrical skeleton.

[0013] Optionally, the end of the shaft column connected to the bracket is provided with a shaft hole limiting part, and the other end is provided with an external thread and a locking cap that mates with the external thread.

[0014] Optionally, the drainage tray is provided with a magnetic suction element; the first and second shaft seats are provided with metal blocks adapted to the magnetic suction element.

[0015] The beneficial effects of this utility model are as follows: the first and second shaft seats are provided with drainage holes, and a drainage plate that can slide along the shaft column is provided between the first and second shaft seats. The push-pull handle can pass through the through-rod hole to connect with the drainage plate and make the drainage plate move along both ends of the shaft column inside the frame, thereby quickly squeezing out the paint inside the frame through the drainage holes, keeping the inside of the roller brush head assembly frame clean and giving priority to avoiding paint residue inside.

[0016] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0017] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0018] Figure 1 This is a schematic diagram of the structure of the coating printing roller of this utility model;

[0019] Figure 2 for Figure 1 Enlarged diagram of point A in the middle.

[0020] Explanation of key component symbols:

[0021] 10. Handle; 20. Bracket; 21. Shaft post; 22. Guide groove; 23. Shaft hole limiting part; 30. Brush head assembly; 31. Frame; 32. First shaft seat; 33. Second shaft seat; 34. Drain hole; 35. Rod hole; 36. Metal block; 40. Locking cap; 50. Drain plate; 51. Soft protrusion; 52. Arc-shaped limiting groove; 53. Guide block; 54. Magnetic component; 60. Push-pull handle; 61. Connecting plate; 62. Handle body; 63. Connecting rod; 64. Limiting protrusion. Detailed Implementation

[0022] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0023] In the description of this utility model, "multiple" means two or more; "greater than," "less than," and "exceeding" are understood to exclude the stated number; "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly specifying the number of indicated technical features or their sequential relationship.

[0024] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0025] In this utility model, unless otherwise explicitly defined, the terms "setting," "installing," and "connecting" should be interpreted broadly. For example, they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to a fixed connection, a detachable connection, or an integral molding; they can refer to a mechanical connection; they can refer to the internal connection of two components or the interaction between two components. Those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0026] Example

[0027] Reference Figure 1 and Figure 2The present invention proposes an easy-draining paint printing roller, including a handle 10, a bracket 20, and a brush head assembly 30; one end of the bracket 20 is connected to the handle 10, and the other end is provided with a shaft post 21; the brush head assembly 30 includes a frame 31 and a first shaft seat 32 and a second shaft seat 33 respectively disposed at both ends of the frame 31; the shaft post 21 can pass through the first shaft seat 32 and the second shaft seat 33, and the first shaft seat 32 and the second shaft seat 33 are locked by a locking cap 40;

[0028] The first bearing seat 32 and the second bearing seat 33 are provided with drainage holes 34, which are located near the outer edges of the first bearing seat 32 and the second bearing seat 33; a drainage plate 50 is provided between the first bearing seat 32 and the second bearing seat 33, which passes through the shaft column 21 and whose outer edge can be attached to the inner wall of the frame 31.

[0029] The first bearing 32 and / or the second bearing 33 are provided with rod holes 35; the push-pull handle 60 can pass through the rod holes 35 and be connected to the drain pan 50 to move the drain pan 50 along both ends of the shaft column 21.

[0030] In this invention, the first bearing 32 and the second bearing 33 are provided with drainage holes 34. A drainage plate 50 that can slide along the shaft column 21 is provided between the first bearing 32 and the second bearing 33. The push-pull handle 60 can pass through the rod hole 35 and connect to the drainage plate 50, so that the drainage plate 50 can move along both ends of the shaft column 21 inside the frame 31, thereby quickly squeezing out the paint in the frame 31 through the drainage holes 34, keeping the inside of the roller brush head assembly 30 frame 31 clean, and giving priority to avoiding paint residue inside.

[0031] Specifically, the drain pan 50 is made of rubber material, and a soft protrusion 51 is provided on its outer edge. The soft protrusion 51 can fit well against the inner wall of the extrusion frame 31, thereby scraping off residual paint and discharging it from the drain hole 34.

[0032] In this embodiment, the push-pull handle 60 includes a connecting plate 61, a handle body 62, and a connecting rod 63; the connecting rod 63 is disposed on the connecting plate 61, and the handle body 62 is disposed on the opposite side of the connecting plate 61. The handle body 62 facilitates the push-pull movement of the push-pull handle 60, and the connecting plate 61 allows multiple connecting rods 63 to be stably connected and fixed on the connecting plate 61, thereby stably cooperating with the drain plate 50 for push-pull telescopic movement.

[0033] Specifically, at least two connecting rods 63 are provided, evenly distributed circumferentially on the connecting plate 61. This is to allow the connecting rods 63 to avoid the shaft post 21 while providing multiple points of connection and fixation to the drain plate 50.

[0034] Furthermore, a limiting protrusion 64 is provided at the end of the connecting rod 63; an arc-shaped limiting groove 52 is provided on the side of the drain pan 50; rotating the connecting pan 61 allows the limiting protrusion 64 to engage with the arc-shaped limiting groove 52. The limiting protrusion can pass through the rod hole 35 and extend into the first bearing 32 or the second bearing 33, and then engage with the arc-shaped limiting groove 52 during rotation, thereby achieving axial fixation and limiting with the drain pan 50, allowing the drain pan 50 to be pulled and moved.

[0035] In this embodiment, the shaft column 21 is provided with a guide groove 22 extending axially, and the inner edge of the drain pan 50 is provided with a guide block 53, which can slide within the guide groove 22. Through the guide groove 22, the drain pan 50 and the shaft column 21 can move circumferentially and slide axially.

[0036] In this embodiment, the skeleton 31 is a cylindrical skeleton 31.

[0037] In this embodiment, the end of the shaft 21 connected to the bracket 20 is provided with a shaft hole limiting part 23, and the other end is provided with an external thread and a locking cap 40 that mates with the external thread.

[0038] In this embodiment, in order for the drainage tray 50 to reliably and accurately fit the end face of the first bearing seat 32 or the second bearing seat 33, the drainage tray 50 is provided with a magnetic suction member 54; the first bearing seat 32 and the second bearing seat 33 are provided with metal blocks 36 that are adapted to the magnetic suction member 54.

[0039] Of course, this utility model is not limited to the above-described embodiments. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of this utility model. All such equivalent modifications and substitutions are included within the scope defined by the claims of this application.

Claims

1. A water-draining roller for printing, comprising a handle (10), a support (20) and a roller brush head assembly (30); one end of the support (20) is connected with the handle (10), and the other end is provided with a shaft column (21); the roller brush head assembly (30) comprises a framework (31) and first and second shaft seats (32, 33) arranged at two ends of the framework (31); the shaft column (21) can pass through the first and second shaft seats (32, 33) and lock the first and second shaft seats (32, 33) by a locking cap (40); characterized in that: the first and second shaft seats (32, 33) are provided with water-draining holes (34) arranged close to the outer edges of the first and second shaft seats (32, 33); a water-draining disc (50) is arranged between the first and second shaft seats (32, 33), the water-draining disc (50) is arranged through the shaft column (21) and the outer edge thereof can be attached to the inner wall of the framework (31); the first and / or second shaft seat (32, 33) is provided with a rod passing hole (35); a push-pull handle (60) can pass through the rod passing hole (35) and be connected with the water-draining disc (50) to move the water-draining disc (50) along the shaft column (21).

2. The water-repellent roller of claim 1, wherein: the water-draining disc (50) is made of rubber material and is provided with soft convex parts (51) at the outer edge thereof.

3. The water-repellent roller of claim 1, wherein: the push-pull handle (60) comprises a connecting disc (61), a handle body (62) and connecting rods (63); the connecting rods (63) are arranged on the connecting disc (61) and the handle body (62) is arranged on the side of the connecting disc (61) away from the connecting rods (63).

4. The water-repellent roller of claim 3, wherein: the connecting rods (63) are arranged at least two and are evenly arranged in the circumferential direction of the connecting disc (61).

5. The water-repellent roller of claim 3, wherein: the end of the connecting rod (63) is provided with a limiting protrusion (64); the side of the water-draining disc (50) is provided with an arc-shaped limiting groove (52); the limiting protrusion (64) can be clamped into the arc-shaped limiting groove (52) by rotating the connecting disc (61).

6. The water-repellent roller of claim 5, wherein: the shaft column (21) is provided with a guide groove (22) extending in the axial direction, and the inner edge of the water-draining disc (50) is provided with a guide block (53) which can slide in the guide groove (22).

7. The water-repellent roller of claim 1, wherein: the framework (31) is a cylindrical framework (31).

8. The water-repellent roller of claim 1, wherein: the shaft column (21) is provided with a shaft hole limiting part (23) at one end connected with the support (20) and is provided with an external thread and the locking cap (40) matched with the external thread at the other end.

9. The water-repellent roller of claim 1, wherein: the water-draining disc (50) is provided with a magnetic member (54); the first and second shaft seats (32, 33) are provided with metal blocks (36) matched with the magnetic member (54).