Paint delivery valve opening and closing structure

By designing the opening, closing, and protection mechanisms, the problem of threaded rod failure due to dust in the paint delivery valve was solved, achieving effective opening, closing, and dust prevention, and extending the service life of the device.

CN224932275UActive Publication Date: 2026-11-03HENAN SODON NEW MATERIAL CO LTD
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Patent Information

Application Number
CN202521445764.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-10
Publication Date
2026-11-03
Estimated Expiration
2035-07-10

AI Technical Summary

Technical Problem

In the existing paint delivery valve opening and closing structure, the threaded rod fails to transmit power due to dust, affecting the operation of the device.

Method used

The device employs an opening and closing mechanism and a protective mechanism. The turntable drives the threaded rod to rotate, and the limit plate and limit sleeve limit the threaded rod. Combined with the limit bolts and corrugated sleeve of the protective mechanism, the threaded rod is protected from dust, thus achieving the functions of opening and closing and dust prevention.

Benefits of technology

This improves the service life and opening/closing effect of the device, prevents the threaded rod from failing due to dust, and ensures the normal operation of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of paint, concretely is a paint delivery valve opening and closing structure, include: feed pipe and feed pipe, the feed pipe one end is equipped with the feed pipe, the feed pipe one side is equipped with the discharge pipe, be equipped with the opening and closing mechanism in the feed pipe, be equipped with the turntable in the opening and closing mechanism, the turnplate one side is equipped with the threaded rod, the threaded rod one end is equipped with the piston ball, and be equipped with the first limit disc outside the threaded rod, the first limit disc one side is equipped with the second limit disc, be equipped with the limit cover on the second limit disc, and be equipped with the protection mechanism on the feed pipe upper end, be equipped with the fixed disc in the protection mechanism, be equipped with the limit bolt on the fixed disc, and be equipped with the fixed cylinder on the fixed disc, adopt the protection mechanism and can carry out the dustproof work to the threaded rod, and through the piston ball in the opening and closing mechanism can carry out the plugging work to the feed pipe one end.
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Description

Technical Field

[0001] This utility model relates to the field of coating technology, specifically to a coating delivery valve opening and closing structure. Background Technology

[0002] Paint, traditionally known as varnish in China, is a material applied to the surface of an object to be protected or decorated, forming a continuous, firmly adhered film. It is typically a viscous liquid made primarily of resin, oil, or emulsion, with or without pigments and fillers, and with appropriate additives, prepared using organic solvents or water. The authoritative Chinese book on paint technology, *Paint Technology*, defines it as follows: "Paint is a material that can be applied to the surface of an object using different construction techniques to form a firmly adhered, continuous solid film with a certain strength. This film is commonly called a coating film, also known as a paint film or coating layer. During the paint production process, it needs to be transported, thus requiring a paint delivery valve opening and closing structure."

[0003] However, the existing device has the following problems; However, in the existing coating delivery valve opening and closing structure, the coating needs to be controlled by the opening and closing structure during the delivery process. Most of the opening and closing structures use threaded rods for transmission. After long-term use, dust may accumulate between the threads, causing the thread transmission to fail and thus affecting the operation of the device.

[0004] Therefore, in order to solve the above problems, a coating delivery valve opening and closing structure is proposed. Utility Model Content

[0005] The purpose of this utility model is to provide a coating delivery valve opening and closing structure to solve the problem mentioned in the background art of the prior art coating delivery valve opening and closing structure. Since the coating needs to be controlled by the opening and closing structure during the delivery process, and most of the opening and closing structures use threaded rods for transmission, after long-term use of the threaded rods, the thread transmission may fail due to dust between the threads, thus affecting the operation of the device.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a coating delivery valve opening and closing structure, comprising: an inlet pipe and a delivery pipe, wherein one end of the inlet pipe is provided with a delivery pipe, and one side of the delivery pipe is provided with a discharge pipe, an opening and closing mechanism is provided inside the delivery pipe, a turntable is provided inside the opening and closing mechanism, a threaded rod is provided on one side of the turntable, a piston ball is provided at one end of the threaded rod, and a first limiting plate is provided outside the threaded rod, a second limiting plate is provided on one side of the first limiting plate, a limiting sleeve is provided on the second limiting plate, and a protective mechanism is provided at the upper end of the delivery pipe, a fixed plate is provided inside the protective mechanism, a limiting bolt is provided on the fixed plate, and a fixed cylinder is provided on the fixed plate. The protective mechanism can prevent dust from entering the threaded rod, and the piston ball in the opening and closing mechanism can seal one end of the inlet pipe.

[0007] Preferably, the fixed cylinder is provided with a corrugated sleeve, the bottom end of which is fixedly installed on the fixed cylinder. The use of a threaded sleeve can prevent dust from entering the threaded rod.

[0008] Preferably, the turntable is fixedly installed at one end of the threaded rod, and the threaded rod passes through a corrugated sleeve. The rotation of the turntable drives the threaded rod to rotate.

[0009] Preferably, one end of the threaded rod passes through the fixed cylinder and is rotatably installed inside the conveying pipe, and the piston ball is movably installed at the bottom end of the threaded rod, so that the threaded rod drives the piston ball to move in the conveying pipe.

[0010] Preferably, the piston ball is fitted to the inner wall of the feed pipe, and the first limiting plate is fixedly installed in the fixed cylinder. The piston ball is used to seal one end of the feed pipe to perform the opening and closing operation.

[0011] Preferably, the second limiting plate is fixedly installed inside the fixed cylinder, the limiting sleeve is fixedly installed on the second limiting plate, and one end of the threaded rod passes through the first limiting plate and the second limiting plate, while the other end of the threaded rod passes through the limiting sleeve. The limiting sleeve shell, which is fanned by the second limiting plate, limits one end of the threaded rod.

[0012] Preferably, the fixed plate is fixedly installed on the conveying pipe by limiting bolts, and the bottom end of the fixed cylinder is fixedly installed on the fixed plate. The fixed plate can be installed on the conveying pipe by using limiting bolts.

[0013] Compared with the prior art, the beneficial effects of this utility model are: 1. The device is equipped with an opening and closing mechanism. This mechanism enables opening and closing operations. The turntable inside the mechanism drives the threaded rod to rotate. During this process, the threaded rod inside the fixed cylinder is limited by the first and second limiting plates and the limiting sleeve. The threaded rod then drives the piston ball to move inside the feed pipe. Finally, the piston ball blocks one end of the feed pipe, thus achieving the opening and closing effect, thereby improving the practicality of the device.

[0014] 2. A protective mechanism is provided to prevent dust from entering the outside of the threaded rod. The fixed plate is installed on the conveying pipe by the limiting bolts inside the mechanism, and the corrugated sleeve is used to prevent dust from entering the outside of the threaded rod. The corrugated sleeve can be contracted at will, thereby improving the service life of the device. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model 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 the content of the embodiments of this utility model and these drawings without creative effort.

[0016] Figure 1 This is a front view schematic diagram of the structure of this utility model; Figure 2 This is a front view schematic diagram of the main structure of the present utility model; Figure 3 This is a front sectional view of the material conveying pipe of this utility model; Figure 4 This is a front sectional view of the opening and closing mechanism of this utility model; Figure 5 This is a schematic cross-sectional view of the protective mechanism of this utility model.

[0017] In the diagram: 1. Feed pipe; 2. Conveying pipe; 3. Discharge pipe; 4. Opening and closing mechanism; 41. Turntable; 42. Threaded rod; 43. Piston ball; 44. First limiting plate; 45. Second limiting plate; 46. Limiting sleeve; 5. Protective mechanism; 51. Fixed plate; 52. Limiting bolt; 53. Fixed cylinder; 54. Corrugated sleeve. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and 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, and therefore should not be construed as a limitation of this utility model; the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In addition, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. 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 a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0020] Please see Figures 1-5 One embodiment provided by this utility model: The feed pipe 1, conveying pipe 2 and discharge pipe 3 used in this application are products that can be purchased directly from the market. Their principles and connection methods are existing technologies well known to those skilled in the art, so they will not be described in detail here.

[0021] A coating delivery valve opening and closing structure includes: an inlet pipe 1 and a delivery pipe 2. One end of the inlet pipe 1 is provided with a delivery pipe 2, and one side of the delivery pipe 2 is provided with a discharge pipe 3. An opening and closing mechanism 4 is provided inside the delivery pipe 2. A turntable 41 is provided inside the opening and closing mechanism 4. A threaded rod 42 is provided on one side of the turntable 41. A piston ball 43 is provided at one end of the threaded rod 42. A first limiting plate 44 is provided outside the threaded rod 42. A second limiting plate 45 is provided on one side of the first limiting plate 44. A limiting sleeve 46 is provided on the second limiting plate 45. A protective mechanism 5 is provided at the upper end of the delivery pipe 2. A fixed plate 51 is provided inside the protective mechanism 5. A limiting bolt 52 is provided on the fixed plate 51. A fixed cylinder 53 is provided on the fixed plate 51. By setting this component, the coating delivery can be opened and closed as needed by the opening and closing mechanism 4, and the threaded rod 42 can be protected by the protective mechanism 5.

[0022] As a further improvement of this utility model, a corrugated sleeve 54 is provided on the fixed cylinder 53. The bottom end of the corrugated sleeve 54 is fixedly installed on the fixed cylinder 53. By setting this component, the corrugated sleeve 54 can be supported and limited by the fixed cylinder 53, and the threaded rod 42 can be protected from dust by the corrugated sleeve 54.

[0023] As a further improvement of this utility model, the turntable 41 is fixedly installed at one end of the threaded rod 42, and one end of the threaded rod 42 passes through the corrugated sleeve 54. By setting this component, the turntable 41 can drive the threaded rod 42 to rotate.

[0024] As a further improvement of this utility model, one end of the threaded rod 42 passes through the fixed cylinder 53 and is rotatably installed inside the conveying pipe 2, and the piston ball 43 is movably installed at the bottom end of the threaded rod 42. By setting this component, the piston ball 43 can be moved by the threaded rod 42.

[0025] As a further improvement of this utility model, the piston ball 43 is fitted to the inner wall of the conveying pipe 2, and the first limiting plate 44 is fixedly installed in the fixed cylinder 53. By setting this component, the piston ball 43 can be opened and closed, and the threaded rod 42 can be limited by the first limiting plate 44.

[0026] As a further improvement of this utility model, the second limiting plate 45 is fixedly installed inside the fixed cylinder 53, and the limiting sleeve 46 is fixedly installed on the second limiting plate 45. One end of the threaded rod 42 passes through the first limiting plate 44 and the second limiting plate 45, and the other end of the threaded rod 42 passes through the limiting sleeve 46. By setting this component, the threaded rod 42 can be limited by the limiting sleeve 46.

[0027] As a further improvement of this utility model, the fixed plate 51 is fixedly installed on the feed pipe 2 by the limiting bolt 52, and the bottom end of the fixed cylinder 53 is fixedly installed on the fixed plate 51. By setting this component, the fixed plate 51 can be installed on the feed pipe 2 by the limiting bolt 52.

[0028] Working principle: When the paint delivery valve opening and closing structure is required, paint is simply delivered to the delivery pipe 2 through the inlet pipe 1, and then to the outlet pipe 3 through the delivery pipe 2. This process can be opened and closed as needed through the opening and closing mechanism 4. The turntable in the mechanism drives the threaded rod 42 to rotate. This process can be limited by the first limiting plate 44 and the second limiting plate 45, and the limiting sleeve 46 to limit the threaded rod 42 in the fixed cylinder 53. The threaded rod 42 drives the piston ball 43 to move in the delivery pipe 2. The piston ball 43 then seals one end of the inlet pipe 1, thus achieving the opening and closing effect. The protective mechanism 5 can prevent dust from entering the outside of the threaded rod 42. The fixed plate 51 is installed on the delivery pipe 2 by the limiting bolt 52 in the mechanism. The corrugated sleeve 54 can be freely contracted to prevent dust from entering the outside of the threaded rod 42, thereby improving the service life of the device.

[0029] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any way. Those skilled in the art can readily implement this utility model based on the accompanying drawings and the above description. However, any modifications, alterations, or equivalent variations made by those skilled in the art without departing from the scope of the utility model's technical solution, utilizing the disclosed technical content, are considered equivalent embodiments of this utility model. Furthermore, any equivalent changes, alterations, or variations made to the above embodiments based on the essential technology of this utility model are still within the protection scope of this utility model's technical solution.

Claims

1. A coating delivery valve opening and closing structure, comprising: The feed pipe (1) and the conveying pipe (2) are provided with a conveying pipe (2) at one end of the feed pipe (1) and a discharge pipe (3) at one side of the conveying pipe (2). The feed pipe (2) is characterized by having an opening and closing mechanism (4) inside the conveying pipe (2), a turntable (41) inside the opening and closing mechanism (4), a threaded rod (42) on one side of the turntable (41), a piston ball (43) at one end of the threaded rod (42), a first limiting plate (44) outside the threaded rod (42), a second limiting plate (45) on one side of the first limiting plate (44), a limiting sleeve (46) on the second limiting plate (45), a protective mechanism (5) at the upper end of the conveying pipe (2), a fixed plate (51) inside the protective mechanism (5), a limiting bolt (52) on the fixed plate (51), and a fixed cylinder (53) on the fixed plate (51). The fixed cylinder (53) is provided with a corrugated sleeve (54), and the bottom end of the corrugated sleeve (54) is fixedly installed on the fixed cylinder (53); The turntable (41) is fixedly installed at one end of the threaded rod (42), and one end of the threaded rod (42) passes through the corrugated sleeve (54).

2. The coating delivery valve opening and closing structure according to claim 1, characterized in that: One end of the threaded rod (42) passes through the fixed cylinder (53) and is rotatably installed inside the conveying pipe (2), and the piston ball (43) is movably installed at the bottom end of the threaded rod (42).

3. The coating delivery valve opening and closing structure according to claim 1, characterized in that: The piston ball (43) is attached to the inner wall of the conveying pipe (2) around its perimeter, and the first limiting plate (44) is fixedly installed inside the fixed cylinder (53).

4. The coating delivery valve opening and closing structure according to claim 1, characterized in that: The second limiting plate (45) is fixedly installed inside the fixed cylinder (53), and the limiting sleeve (46) is fixedly installed on the second limiting plate (45). One end of the threaded rod (42) passes through the first limiting plate (44) and the second limiting plate (45), while the other end of the threaded rod (42) passes through the limiting sleeve (46).

5. The coating delivery valve opening and closing structure according to claim 1, characterized in that: The fixed plate (51) is fixedly installed on the conveying pipe (2) by the limiting bolt (52), and the bottom end of the fixed cylinder (53) is fixedly installed on the fixed plate (51).