Painting tool with stop valve

By designing a painting tool with a shut-off valve, the problems of material spillage during the painting process before gluing and difficulty in painting in a narrow space are solved, and sealed storage of paint and flexible painting effects are achieved.

CN223417593UActive Publication Date: 2025-10-10苏州米恒材料科技有限公司
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Patent Information

Application Number
CN202422534387.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-21
Publication Date
2025-10-10
Estimated Expiration
2034-10-21

AI Technical Summary

Technical Problem

Existing painting tools have problems in the painting process before gluing, such as difficulty in cleaning spilled materials, difficulty in controlling the painting area, and difficulty in painting in a small space.

Method used

A painting tool with a shut-off valve is designed, which includes a storage tank, a paint assembly and a paint head. A spring-sealed valve and a replaceable paint head are used to ensure that the paint is sealed and stored when not in use and only seeps out slowly during painting. The paint head can be replaced according to the construction location.

Benefits of technology

It prevents paint from flowing, reduces material waste, and improves construction convenience and painting accuracy, especially for painting operations in narrow spaces.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223417593U_ABST
Patent Text Reader

Abstract

The utility model discloses a painting tool with a stop valve. The painting tool comprises a storage tank, a painting assembly and a painting head, a piston is arranged in the storage tank, the painting assembly is composed of a connecting piece and a lower connector, the connecting piece is connected with the storage tank and communicated with the lower connector, a spring sealing valve is arranged in the lower connector, and the lower connector is connected with the painting head. According to the painting tool with the stop valve, the storage tank can be used in cooperation with a glue gun, extrusion can be conducted in a manual extrusion mode when tools such as the glue gun providing power for extrusion are not used, the sealing valve is arranged in the lower connector, and liquid can slowly seep out only when the front end makes contact with a part to be painted and certain pressure is applied; and the painting head is designed to be replaceable, the corresponding painting head can be replaced according to the shape and width of a constructed position, and the problem that a brush is difficult to contact in a narrow space or other grooves and other positions is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of aviation sealant construction, in particular to a painting tool with a stop valve. Background Art

[0002] Painting is a coating technique that involves applying a coating evenly to a surface to create a protective layer, create a decorative effect, or impart special properties. Paints typically consist of a film-forming substance, a solvent, pigments (fillers), and various additives. The primary purpose of painting is to protect materials from corrosion, wear, and environmental influences, while also enhancing their aesthetic appearance and specific physical and chemical properties.

[0003] In order to ensure that the sealant can firmly adhere to the construction surface and thus improve the durability and reliability of the sealing effect, it is usually necessary to paint the workpiece before applying the sealant to increase the bonding strength between the sealant and the substrate.

[0004] At present, in the work of painting before gluing, a brush is usually used for painting. However, the brush needs to be dipped in paint frequently and a container with a large opening is used to hold the paint. During operation, the material may spill and be difficult to clean. At the same time, in the process of painting special-shaped materials, when the construction position is in a small space or other grooves, the brush is difficult to reach. In addition, since the paint material is easy to flow, it is difficult to control the painting area. There is a problem that the staff cannot paint the entire area at one time, which wastes time. Utility Model Content

[0005] In response to the problems existing in the above-mentioned prior art, the utility model provides a painting tool with a shut-off valve. The tool has a replaceable paint head and a shut-off valve function, which achieves the technical effect of preventing flow and allowing the corresponding paint head to be replaced according to the shape of the construction.

[0006] In order to solve the above technical problems and achieve the above technical effects, the present invention is implemented through the following technical solutions:

[0007] The technical solution of the utility model is: a painting tool with a stop valve, comprising a storage tank, a paint assembly and a paint head; the top of the storage tank is open, a piston is provided inside the storage tank, the paint assembly consists of a connecting piece and a lower connecting head, one end of the connecting piece is connected to the bottom end of the inner cavity of the storage tank, the other end of the connecting piece is connected to the lower connecting head through a lower connecting pipe, a spring sealing valve is provided inside the lower connecting head, and the end of the lower connecting head away from the connecting piece is connected to the paint head.

[0008] Furthermore, the connecting piece includes an upper connecting head connected to the inner cavity of the storage tank, the outer surface of the upper connecting head is provided with an external thread, the bottom of the inner wall of the storage tank is provided with an internal thread adapted to the upper connecting head, and the upper connecting head is connected to the storage tank via threads.

[0009] Furthermore, the upper connecting head is connected to the lower connecting pipe through an upper connecting pipe.

[0010] Furthermore, an extension tube is sleeved on the upper connecting tube of the upper connecting head, and the extension tube is connected to the lower connecting head through the lower connecting tube.

[0011] Furthermore, the extension tube is made of PVC material and is transparent.

[0012] Furthermore, the bottom of the inner cavity of the storage tank is funnel-shaped.

[0013] Furthermore, a snap-fitting groove adapted to the painting head is provided at one end of the lower connecting head, and the painting head is connected to the lower connecting head through the snap-fitting groove.

[0014] Furthermore, the spring sealing valve is composed of a valve stem, a valve core and a spring.

[0015] Furthermore, the piston is made of PTFE and is a soft setting.

[0016] Furthermore, the length of the painting head is greater than the length of the clamping groove.

[0017] The beneficial technical effect of the present invention is that the storage tank is made of soft material, which can be used in conjunction with a glue gun on the one hand, and can also be squeezed out manually when a glue gun or other power extrusion tool is not used. A sealing valve is arranged inside the lower connecting head, which is composed of a valve stem, a valve core and a spring. Only when the front end contacts the coated part and a certain pressure is applied, will liquid slowly seep out, ensuring the convenience of construction and preventing flow. The paint head is replaceable in design, and the corresponding paint head is replaced according to the shape and width of the construction position, which solves the problem that the material may spill during operation when using a container with a larger opening, which is difficult to clean. At the same time, when the construction position is in a small space or other grooves during painting of special-shaped materials, the brush is difficult to reach. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a top perspective schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a bottom-up perspective diagram of the structure of the present invention;

[0020] Figure 3 It is a schematic front view of the structure of the present utility model;

[0021] Figure 4 It is a schematic front view cross-sectional diagram of the structure of the present utility model;

[0022] Figure 5 This is a structural perspective diagram of another embodiment of the present invention;

[0023] Figure 6 This utility model Figure 5 Schematic diagram of the front cross-section of the structure.

[0024] The numbers and letters in the figure represent the corresponding component names:

[0025] 1. Storage tank; 2. Paint assembly; 3. Paint head; 4. Piston; 5. Upper connector; 51. Upper connecting pipe; 6. Lower connector; 61. Lower connecting pipe; 7. Spring sealing valve; 8. Extension pipe. DETAILED DESCRIPTION

[0026] In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the specific implementation methods of the present invention are further described in detail below in conjunction with the drawings and examples. The following examples are used to illustrate the present invention but are not used to limit the scope of the present invention.

[0027] See attached Figures 1-4 As shown, a painting tool with a stop valve in embodiment 1 includes a storage tank 1, a paint assembly 2 and a paint head 3; the top of the storage tank 1 is open, and a piston 4 is provided inside the storage tank 1. When not in use, the piston 4 is close to the top of the storage tank 1, and paint is stored between the piston 4 and the discharge port of the storage tank 1. The bottom of the inner cavity of the storage tank 1 is funnel-shaped, and the piston 4 is made of PTFE material, and the piston 4 is soft, so that it fits better on the inner wall of the storage tank 1. Through the closed design of the storage tank 1 and the piston 4, the paint is sealed during storage to avoid opening. The material is sealed and stored, which can extend the construction operation time and ensure that the material does not drip during construction. The storage tank 1 is made of soft material. On the one hand, it can be used with a glue gun. On the other hand, when a glue gun or other power extrusion tool is not used, the piston 4 can also be manually pushed inward so that the piston 4 gradually moves toward the direction of the paint assembly 2, thereby causing the piston 4 to squeeze out the paint.

[0028] The paint assembly 2 is composed of a connecting piece and a lower connecting head 6, one end of the connecting piece is connected with the bottom of the inner cavity of the storage tank 1, the other end of the connecting piece is communicated with the lower connecting head 6 through the lower connecting pipe 61, the connecting piece comprises an upper connecting head 5 communicated with the inner cavity of the storage tank 1, the outer surface of the upper connecting head 5 is provided with external threads, the bottom of the inner wall of the storage tank 1 is provided with internal threads matched with the upper connecting head 5, the upper connecting head 5 is connected with the storage tank 1 through threads, the upper connecting head 5 is communicated with the lower connecting pipe 61 through the upper connecting pipe 51, the paint assembly 2 can be quickly installed on the discharge port of the storage tank 1 through threads, the inside of the lower connecting head 6 is provided with a spring sealing valve 7, the spring sealing valve 7 is composed of a valve stem, a valve core and a spring, forming a spring type spring sealing valve 7, the end of the lower connecting head 6 away from the connecting piece is connected with the paint head 3, the setting of the spring sealing valve 7 makes the liquid slowly seeps out only when the front end of the paint head 3 contacts the painted part and a certain pressure is applied, ensuring the convenience of construction, at the same time, it can prevent paint from flowing out, avoiding the problem of paint spilling and polluting the ground, which is difficult to clean.

[0029] One end of the lower connecting head 6 is provided with a clamping groove matched with the paint head 3, the paint head 3 is communicated with the lower connecting head 6 through the clamping groove, through the setting of the clamping groove, the paint head 3 can replace the corresponding paint head 3 according to the shape and width of the construction position, especially when the painted part is in the shape of a nail, the paint head 3 can be completely buckled on the nail, and only after buckling to the bottom, the spring sealing valve 7 will be opened, so as to ensure that no extra paint seeps out, and the paint head 3 can ensure the brushing area.

[0030] Referring to the accompanying drawings Figures 5-6 As shown in the drawings, the paint tool with a stop valve of the embodiment two comprises a storage tank 1, a paint assembly 2 and a paint head 3; the top end of the storage tank 1 is designed as an open port, the inside of the storage tank 1 is provided with a piston 4, when not in use, the piston 4 is close to the top end of the storage tank 1, paint is stored between the piston 4 and the discharge port of the storage tank 1, and the bottom of the inner cavity of the storage tank 1 is designed as a funnel shape, the piston 4 is made of PTFE material, and the piston 4 is a soft body, which can better fit the inner wall of the storage tank 1, through the closed design of the storage tank 1 and the piston 4, the paint is in a sealed state during storage, avoiding opening, the material is stored in a sealed manner, which can prolong the construction operation time and ensure that the material does not drip during construction, and the storage tank 1 is made of soft material, on the one hand, it can be used with a glue gun, on the other hand, when a tool such as a glue gun is not used to provide power to extrude, the piston 4 can also be manually pushed inward, so that the piston 4 gradually moves in the direction of the paint assembly 2, thereby extruding the paint.

[0031] The painting component 2 consists of a connecting piece and a lower connecting head 6. One end of the connecting piece is connected to the bottom of the inner cavity of the storage tank 1, and the other end of the connecting piece is connected to the lower connecting head 6 through the lower connecting pipe 61. The connecting piece includes an upper connecting head 5 connected to the inner cavity of the storage tank 1. The outer surface of the upper connecting head 5 is provided with an external thread, and the bottom of the inner wall of the storage tank 1 is provided with an internal thread compatible with the upper connecting head 5. The upper connecting head 5 is connected to the storage tank 1 through a thread. An extension tube 8 is sleeved on the upper connecting pipe 51 of the upper connecting head 5, and the extension tube 8 is connected to the lower connecting head 6 through the lower connecting pipe 61. The extension tube 8 is made of PVC and is transparent. The extension tube 8 can be operated with both hands, and the lower connecting head 6 is small in size and can be extended into a narrow space for operation. During the production process of the extension tube 8, the head of the extension tube 8 can also adopt an angled design, which can also facilitate construction operations in a narrow space.

[0032] The threaded painting component 2 can be quickly installed on the discharge port of the storage tank 1. A spring-sealed valve 7 is provided inside the lower connecting head 6. The spring-sealed valve 7 is composed of a valve stem, a valve core and a spring to form a spring-type spring-sealed valve 7. The end of the lower connecting head 6 away from the connecting piece is connected to the painting head 3. The setting of the spring-sealed valve 7 ensures that liquid will slowly seep out only when the front end of the painting head 3 contacts the painted part and a certain pressure is applied, thereby ensuring the convenience of construction and preventing the paint from flowing out, avoiding the problem of paint overflowing and contaminating the ground, which is difficult to clean.

[0033] One end of the lower connecting head 6 is provided with a snap-in groove which is compatible with the painting head 3. The painting head 3 is connected to the lower connecting head 6 through the snap-in groove. Through the setting of the snap-in groove, the painting head 3 can be replaced with the corresponding painting head 3 according to the shape and width of the construction position. Especially when the painted part is in the shape of a nail, the painting head 3 can be completely buckled on the nail, and the spring sealing valve 7 will not be opened until it is buckled to the bottom, thereby ensuring that no excess paint seeps out. In combination with the painting head 3, the painting area can be guaranteed.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A painting tool with a stop valve, characterized in that: include: A storage tank (1), a paint assembly (2) and a paint head (3); The top of the storage tank (1) is open, and a piston (4) is provided inside the storage tank (1). The paint assembly (2) consists of a connector and a lower connector (6). One end of the connector is connected to the bottom end of the inner cavity of the storage tank (1), and the other end of the connector is connected to the lower connector (6) through a lower connecting pipe (61). A spring sealing valve (7) is provided inside the lower connector (6), and the end of the lower connector (6) away from the connector is connected to the paint head (3).

2. The painting tool with a stop valve according to claim 1, characterized in that: The connecting piece comprises an upper connecting head (5) in communication with the inner cavity of the storage tank (1); an outer surface of the upper connecting head (5) is provided with an external thread; the bottom of the inner wall of the storage tank (1) is provided with an internal thread adapted to the upper connecting head (5); the upper connecting head (5) is connected to the storage tank (1) via the thread.

3. The painting tool with a stop valve according to claim 2, characterized in that: The upper connecting head (5) is connected to the lower connecting pipe (61) via an upper connecting pipe (51).

4. The painting tool with a shut-off valve according to claim 2, characterized in that: An extension tube (8) is sleeved on the upper connecting tube (51) of the upper connecting head (5), and the extension tube (8) is connected to the lower connecting head (6) via a lower connecting tube (61).

5. The painting tool with a stop valve according to claim 4, characterized in that: The extension tube (8) is made of PVC material, and the extension tube (8) is transparent.

6. The painting tool with a shut-off valve according to claim 1, characterized in that: The bottom of the inner cavity of the storage tank (1) is arranged in a funnel shape.

7. The painting tool with a shut-off valve according to claim 1, characterized in that: One end of the lower connecting head (6) is provided with a snap-fitting groove adapted to the painting head (3), and the painting head (3) is connected to the lower connecting head (6) via the snap-fitting groove.

8. The painting tool with a shut-off valve according to claim 1, characterized in that: The spring sealing valve (7) is composed of a valve stem, a valve core and a spring.

9. The painting tool with a shut-off valve according to claim 1, characterized in that: The piston (4) is made of PTFE material and is a soft setting.

10. The painting tool with a shut-off valve according to claim 7, characterized in that: The length of the painting head (3) is greater than the length of the clamping groove.