A manual paint filling valve

Abstract

This application discloses a manual paint filling valve, comprising: a valve body with an inlet channel valve seat screwed onto the valve body, the valve seat having an outlet channel; a threaded sleeve screwed onto the valve body; a valve stem passing through the threaded sleeve and extending to the valve seat, the valve stem being slidably connected to the threaded sleeve, and a valve core fixedly connected to the valve stem; a spring assembly sleeved on the valve stem, one end fixedly connected to the valve stem, and the other end abutting against the threaded sleeve, the spring assembly being in a compressed state to ensure that the valve core always abuts against the valve seat when no external force is applied; and a handle assembly mounted on the valve body for driving the valve body to move axially, thereby opening the fluid path channel. The purpose of this application is to provide a manual paint filling valve that achieves convenient manual operation, good sealing performance, and flexible adjustment to meet the actual needs of paint filling.

Description

Technical Field

[0001] This application relates to a manual paint filling valve, belonging to the technical field of paint production equipment parts. Background Technology

[0002] In the industrial sector of small-scale paint production and packaging, accurate and stable paint filling is a crucial step in ensuring product quality and production efficiency. The manual paint filling valve, as the core equipment for achieving this goal, directly determines the accuracy and reliability of paint filling based on its performance.

[0003] Currently, most manual paint filling valves on the market have relatively complex structures, exhibiting significant shortcomings in the design of the spring assembly's fit with the valve body, valve stem, and other components. As a key component controlling the opening and closing of the valve, the installation and adjustment method of the spring assembly has a crucial impact on the overall performance of the valve.

[0004] Some existing manual paint filling valves have spring assembly adjustment performance that is poor. In some valves, the spring compression is fixed and cannot be flexibly adjusted according to actual production needs. This results in the valve being unable to achieve precise flow control when dealing with paints of different viscosities and pressures. For example, when filling low-viscosity paints, the fixed spring compression may cause the valve opening pressure to be too high, resulting in paint flowing out too quickly and making it difficult to control the filling volume; while when filling high-viscosity paints, the valve opening pressure may be insufficient, leading to poor paint flow and affecting filling efficiency. Summary of the Invention

[0005] The purpose of this application is to provide a manual paint filling valve that enables convenient manual operation and adjustment to meet the actual needs of paint filling.

[0006] The technical problem to be solved in this application is achieved by the following technical solution: A manual paint filling valve, comprising: The valve body is equipped with an inlet channel; A valve seat is screwed onto the valve body, and the valve seat is provided with an outlet channel; A threaded sleeve is screwed onto the valve body; A valve stem passes through the threaded sleeve and extends into the valve body. The valve stem is slidably connected to the threaded sleeve, and a valve core is fixedly connected to the valve stem. A spring assembly is sleeved on the valve stem, with one end fixedly connected to the valve stem and the other end abutting against the threaded sleeve. The spring assembly is in a compressed state to ensure that the valve core always abuts against the valve seat when no external force is applied. A handle assembly is mounted on the valve body and connected to the valve stem, used to drive the valve body to move axially, thereby opening the fluid path channel.

[0007] Preferably, the handle assembly includes: The handle seat is fixedly connected to the valve body by a locking screw; The handle is rotatably connected to the handle seat via a first pin and connected to the valve stem via a second pin.

[0008] Preferably, the handle base is provided with a limiting part to limit the rotation range of the handle.

[0009] Preferably, the handle is provided with an abutment portion, which abuts against the handle seat under the action of the spring assembly.

[0010] Preferably, the threaded sleeve is provided with a snap-fit ​​part, which facilitates the worker to adjust the threaded sleeve with tools, thereby adjusting the elastic deformation of the spring assembly.

[0011] Preferably, the spring assembly includes: The first annular block is slidably sleeved on the valve stem, and one side abuts against the threaded sleeve; The second annular block is fixedly sleeved on the valve stem; A spring is sleeved on the valve stem, with one end of the spring abutting against the first ring block and the other end abutting against the second ring block, and the spring is in a compressed state. The second annular block slides and seals against the inner wall of the valve body to ensure that the fluid is in direct contact with the spring.

[0012] Preferably, the valve core is a multi-faceted guide valve core, which ensures that the valve core maintains stable linear motion during operation and prevents the valve core from deflecting or jamming under fluid pressure.

[0013] Preferably, the inlet channel is provided with an internal thread structure.

[0014] Preferably, the outlet channel is provided with an external thread structure.

[0015] The beneficial effects of this application are: 1. Easy to operate: The design of the handle assembly enables easy manual operation of the valve opening and closing, improving the efficiency of paint filling.

[0016] 2. Excellent sealing performance: The sealing design of the spring assembly and the threaded connection of the inlet and outlet channels effectively prevent paint leakage, reducing resource waste and environmental pollution.

[0017] 3. Flexible parameter adjustment: The snap-fit ​​part on the threaded sleeve allows the operator to adjust the elastic deformation of the spring assembly, thereby flexibly adjusting the valve opening pressure to adapt to different paint filling needs.

[0018] 4. Stable and reliable structure: The multi-faceted guide valve core design ensures the stability of the valve core movement, improving the reliability and service life of the valve. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present application; Figure 2 This is a partial cross-sectional three-dimensional structural schematic diagram of this application; Figure 3 This is a cross-sectional structural diagram of this application; Figure 4 This is a three-dimensional structural diagram of the valve core of this application.

[0020] In the diagram: 1. Valve body; 101. Inlet channel; 102. Internal thread structure; 103. Connecting ring sleeve; 2. Threaded sleeve; 201. Snap-fit ​​part; 3. Valve stem; 4. Valve core; 5. Valve seat; 501. Outlet channel; 502. External thread structure; 6. Spring assembly; 601. First ring block; 602. Second ring block; 603. Spring; 7. Handle seat; 701. Limiting part; 8. Handle; 801. Abutment part; 9. First pin; 10. Second pin; 11. Locking screw. Detailed Implementation

[0021] To facilitate a clear understanding of the technical means, creative features, objectives, and effects of this application, the following description, in conjunction with specific illustrations, further elaborates on this application.

[0022] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the equipment 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 application.

[0023] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0024] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0025] The following disclosure provides numerous different embodiments or examples for implementing various structures of the embodiments of this application. To simplify the disclosure of the embodiments of this application, specific examples of components and arrangements are described below. Of course, these are merely examples and are not intended to limit the scope of this application. Furthermore, reference numerals and / or reference letters may be repeated in different examples of the embodiments of this application; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, various specific examples of processes and materials are provided in the embodiments of this application, but those skilled in the art will recognize the application of other processes and / or the use of other materials.

[0026] like Figures 1-4 As shown, a manual paint filling valve includes: a valve body 1, a valve seat 5, a threaded sleeve 2, a valve stem 3, a spring assembly 6, and a handle assembly.

[0027] The valve body 1 is provided with an inlet channel 101 and an outlet channel 501. The inlet channel 101 is provided with an internal thread structure 102, which facilitates reliable connection with the pipeline system, enhances sealing performance, and facilitates installation and disassembly. A valve seat 5 is screwed onto the valve body 1. The valve seat 5 is provided with an outlet channel 501, which is provided with an external thread structure 502. A connecting ring 103 is screwed to the top of the valve body 1. The connecting ring 103 is provided with internal and external threads and is screwed onto the valve body 1 through the external thread, facilitating disassembly and maintenance.

[0028] The threaded sleeve 2 is screwed onto the internal thread of the connecting ring sleeve 103 on the valve body 1. The threaded sleeve 2 is used to adjust the elastic deformation of the elastic component. The threaded sleeve 2 is provided with a snap-fit ​​part 201, which makes it easy for the operator to adjust the threaded sleeve 2 with tools, thereby adjusting the elastic deformation of the spring assembly 6. By changing the elastic deformation of the spring assembly 6, the valve opening pressure can be adjusted to meet the needs of different paint filling scenarios. The valve stem 3 passes through the threaded sleeve 2 and extends into the valve body 1. The valve stem 3 is slidably connected to the threaded sleeve 2, and a valve core 4 is fixedly connected to the valve stem 3. The spring assembly 6 is sleeved on the valve stem 3, with one end fixedly connected to the valve stem 3 and the other end abutting against the threaded sleeve 2. The spring assembly 6 is in a compressed state to ensure that the valve core 4 always abuts against the valve seat 5 when no external force is applied. The handle assembly 8 is installed on the valve body 1 and connected to the valve stem 3. It is used to drive the valve body 1 to move axially, thereby opening the fluid path channel.

[0029] In a preferred embodiment, the handle assembly includes: a handle seat 7, which is locked and fixed to the connecting ring sleeve 103 on the valve body 1 by two symmetrically arranged locking screws 11; and a handle 8, which is rotatably connected to the handle seat 7 by a first pin 9 and connected to the valve stem 3 by a second pin 10.

[0030] Furthermore, the handle base 7 is provided with a limiting part 701 to limit the rotation range of the handle 8 and prevent excessive rotation of the handle 8 from causing damage to components or operational errors. The handle 8 is provided with an abutment part 801, which abuts against the handle base 7 under the action of the spring assembly 6 to ensure the stability of the handle 8 in the non-operational state.

[0031] In a preferred embodiment, the spring assembly 6 includes: a first annular block 601, slidably sleeved on the valve stem 3, with one side abutting against the threaded sleeve 2; a second annular block 602, fixedly sleeved on the valve stem 3; and a spring 603, sleeved on the valve stem 3, with one end of the spring 603 abutting against the first annular block 601 and the other end abutting against the second annular block 602, and the spring 603 being in a compressed state; the second annular block 602 slides and seals against the inner wall of the valve body 1 to ensure that the fluid is in direct contact with the spring 603, preventing the spring 603 from being corroded and contaminated by the fluid, and extending the service life of the spring 603.

[0032] As a further preferred embodiment, the valve core 4 is a multi-faceted guide valve core 4, which ensures that the valve core 4 maintains stable linear motion during movement, prevents the valve core 4 from deflecting or getting stuck under fluid pressure, and improves the operational stability and reliability of the valve.

[0033] principle: 1. Closed State: Under the action of spring 603, valve core 4 is pressed tightly against valve seat 5, and the valve is in the closed state, preventing the building coating from passing through. At this time, the elastic force of spring 603 keeps the sealing surfaces between valve core 4 and valve seat 5 in close contact, ensuring sealing performance.

[0034] 2. Opening process: When filling is required, the operator pulls handle 8, which moves valve stem 3 upward. Valve stem 3 overcomes the elastic force of spring 603, causing valve core 4 to leave valve seat 5, and the valve gradually opens. The building coating enters from valve inlet channel 101, passes through the channel between valve core 4 and valve seat 5, and flows out from outlet channel 501 into the filling container.

[0035] 3. Closing process: When filling is complete, the operator releases the handle 8, and the spring 603 extends under its own elastic force, pushing the valve stem 3 and valve core 4 downward. The valve core 4 is pressed back onto the valve seat 5, the valve is closed, and the material flow is stopped.

[0036] The foregoing has shown and described the basic principles, main features, and advantages of this application. Those skilled in the art should understand that this application is not limited to the above embodiments, and various changes and modifications can be made without departing from the spirit and scope of this application; all such changes and modifications fall within the scope of the claims. The scope of protection of this application is defined by the appended claims and their equivalents.

Claims

1. A manual paint filling valve, characterized in that, include: The valve body is equipped with an inlet channel; A valve seat is screwed onto the valve body, and the valve seat is provided with an outlet channel; A threaded sleeve is screwed onto the valve body; A valve stem passes through the threaded sleeve and extends into the valve body. The valve stem is slidably connected to the threaded sleeve, and a valve core is fixedly connected to the valve stem. A spring assembly is sleeved on the valve stem, with one end fixedly connected to the valve stem and the other end abutting against the threaded sleeve. The spring assembly is in a compressed state to ensure that the valve core always abuts against the valve seat when no external force is applied. A handle assembly is mounted on the valve body and connected to the valve stem, used to drive the valve body to move axially, thereby opening the fluid path channel.

2. The manual paint filling valve according to claim 1, characterized in that: The handle assembly includes: The handle seat is fixedly connected to the valve body by a locking screw; The handle is rotatably connected to the handle seat via a first pin and connected to the valve stem via a second pin.

3. A manual paint filling valve according to claim 2, characterized in that: The handle base is provided with a limiting part to limit the rotation range of the handle.

4. A manual paint filling valve according to claim 3, characterized in that: The handle is provided with an abutting part, which abuts against the handle seat under the action of the spring assembly.

5. A manual paint filling valve according to claim 4, characterized in that: The threaded sleeve is provided with a snap-fit ​​part, which makes it easy for workers to adjust the threaded sleeve with tools, thereby adjusting the elastic deformation of the spring assembly.

6. A manual paint filling valve according to claim 1 or 5, characterized in that, The spring assembly includes: The first annular block is slidably sleeved on the valve stem, and one side abuts against the threaded sleeve; The second annular block is fixedly sleeved on the valve stem; A spring is sleeved on the valve stem, with one end of the spring abutting against the first ring block and the other end abutting against the second ring block, and the spring is in a compressed state. The second annular block slides and seals against the inner wall of the valve body to ensure that the fluid is in direct contact with the spring.

7. A manual paint filling valve according to claim 6, characterized in that: The valve core is a multi-faceted guide valve core, which ensures that the valve core maintains stable linear motion during operation and prevents the valve core from deflecting or getting stuck under fluid pressure.

8. A manual paint filling valve according to claim 7, characterized in that, The inlet channel is equipped with an internal thread structure.

9. A manual paint filling valve according to claim 8, characterized in that: The outlet channel is equipped with an external thread structure.

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