Valve actuator with filter element convenient to replace

Abstract

The utility model discloses a valve actuator convenient to replace a filter element, which relates to the technical field of valve actuators and comprises an actuator body, a water inlet pipe is fixedly arranged at the water inlet end of the actuator body, a rectangular box is fixedly communicated with the water inlet pipe, a filter screen is movably arranged on the inner side of the rectangular box, and a T-shaped plate is arranged at the upper end of the filter screen. A cover plate is detachably installed on the outer side of the T-shaped plate, a sealing gasket is further arranged between the cover plate and the rectangular box, an L-shaped plate is arranged on the outer side of the cover plate, a fixing plate is arranged at the upper end of the outer side of the rectangular box, a limiting rod is horizontally and movably arranged in the fixing plate, and the outer side of the limiting rod is wrapped with a spring. The filter screen can be rapidly replaced by a single person, and in addition, the installation stability and the sealing performance are improved through extrusion deformation of the sealing gasket.

Description

Technical Field

[0001] The utility model relates to the technical field of valve actuators, in particular to a valve actuator which is convenient for replacing a filter element. Background Art

[0002] The valve is installed on the pipeline to control and adjust the pipeline medium. When the actuator is installed on the valve, it is used to control or adjust the valve switch.

[0003] A filter element is usually installed on the valve actuator to filter the fluid and remove impurities in the fluid. However, the filter element on the existing valve actuator is inconvenient to install and remove, which makes it inconvenient to replace the filter element.

[0004] In view of the above problems, the utility model provides a valve actuator which is convenient for replacing a filter element. Utility Model Content

[0005] The purpose of the utility model is to provide a valve actuator that is easy to replace the filter element. A single person can quickly replace the filter screen. In addition, the installation stability and sealing performance are improved by extruding and deforming the sealing gasket, thereby solving the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a valve actuator which is convenient for replacing a filter element, comprising an actuator body, a water inlet pipe fixedly provided at the water inlet end of the actuator body, a rectangular box fixedly connected to the water inlet pipe, a filter screen movably provided on the inner side of the rectangular box, a T-shaped plate provided on the upper end of the filter screen, a cover plate detachably installed on the outer side of the T-shaped plate, a sealing gasket provided between the cover plate and the rectangular box, an L-shaped plate provided on the outer side of the cover plate, a fixed plate provided on the upper end of the outer side of the rectangular box, a limit rod movably provided inside the fixed plate, and a spring coated on the outer side of the limit rod.

[0007] Furthermore, a T-shaped slot is provided inside the cover plate, the T-shaped plate and the inner side of the T-shaped slot are engaged with each other and the sizes are matched, and a filter screen is fixedly connected to the middle of the bottom end of the T-shaped plate.

[0008] Furthermore, a sealing gasket is attached to the upper end of the rectangular box, and the filter screen is slidably connected to the inner side of the rectangular box.

[0009] Furthermore, the L-shaped plate is fixedly connected to the outer side of the cover plate, the fixed plate is fixedly connected to the upper end of the outer side of the rectangular box, the limit rod is slidably connected to the inside of the fixed plate, one end of the limit rod is fixedly connected to a circular plate, and both ends of the spring are respectively fixedly connected to the side surface of the fixed plate and the side surface of the circular plate. In the initial state of the spring, the limit rod is driven to engage with the inside of the L-shaped plate.

[0010] Furthermore, a circular ring is rotatably connected to the outer side of the circular plate through a bearing, a convex plate is fixedly connected to the outer side of the circular ring, and a baffle is also fixedly connected to the outer side of the rectangular box.

[0011] Furthermore, a handle is fixedly connected to the upper end of the cover plate, and the outer side of the handle is processed with anti-slip patterns.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model provides a valve actuator that is easy to replace the filter element. When the filter needs to be replaced, the limit rod is pulled outward to leave the inside of the L-shaped plate, and then the cover plate is moved upward to drive the filter to leave the rectangular box, and then the T-shaped plate is taken out from the cover plate, and the T-shaped plate connected to the new filter is installed in the cover plate, and then the limit rod is pulled outward and the spring is stretched, and then the filter is inserted into the rectangular box, and the cover plate squeezes the sealing gasket downward, and then the limit rod is released, and the spring restores the deformation to pull the limit rod to insert into the L-shaped plate, and the filter is installed. The purpose of this design is that a single person can quickly replace the filter, and the installation stability and sealing are improved by squeezing the sealing gasket. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the rectangular box structure in the utility model;

[0016] Figure 3 This is a schematic diagram of the T-shaped plate structure in the utility model;

[0017] Figure 4 This is a schematic diagram of the cover structure of the utility model.

[0018] In the figure: 1. actuator body; 2. water inlet pipe; 3. rectangular box; 4. cover plate; 5. T-slot; 6. T-plate; 7. filter screen; 8. sealing gasket; 9. L-plate; 10. fixing plate; 11. limit rod; 12. round plate; 13. spring; 14. ring; 15. convex plate; 16. baffle; 17. handle. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] In order to solve the problem of how to facilitate the replacement of technical issues, such as Figure 1-4 As shown, the following preferred technical solutions are provided:

[0021] A valve actuator which is convenient for replacing a filter element comprises an actuator body 1, a water inlet pipe 2 is fixedly arranged at the water inlet end of the actuator body 1, a rectangular box 3 is fixedly connected to the water inlet pipe 2, a filter screen 7 is movably arranged inside the rectangular box 3, a T-plate 6 is arranged at the upper end of the filter screen 7, a cover plate 4 is detachably installed on the outer side of the T-plate 6, a sealing gasket 8 is further arranged between the cover plate 4 and the rectangular box 3, an L-shaped plate 9 is arranged on the outer side of the cover plate 4, a fixing plate 10 is arranged at the upper end of the outer side of the rectangular box 3, a limit rod 11 is horizontally movably arranged inside the fixing plate 10, and a spring 13 is coated on the outer side of the limit rod 11.

[0022] Specifically, when the filter 7 needs to be replaced, the limiting rod 11 is pulled outward to leave the inside of the L-shaped plate 9, and then the cover plate 4 is moved upward to drive the filter 7 to leave the rectangular box 3, and then the T-shaped plate 6 is taken out of the cover plate 4, and the T-shaped plate 6 connected to the new filter 7 is installed in the cover plate 4, and then the limiting rod 11 is pulled outward and the spring 13 is stretched, and then the filter 7 is inserted into the rectangular box 3, and the cover plate 4 presses the sealing gasket 8 downward, and then the limiting rod 11 is released, and the spring 13 restores the deformation and pulls the limiting rod 11 to insert into the L-shaped plate 9, and the filter 7 is installed. The purpose of this design is that a single person can quickly replace the filter 7, and the compression deformation of the sealing gasket 8 is used to improve the installation stability and sealing.

[0023] Further, such as Figure 2-4 As shown, the following preferred technical solutions are provided:

[0024] A T-shaped slot 5 is provided inside the cover plate 4, and a T-shaped plate 6 engages with the inner side of the T-shaped slot 5 and matches in size. A filter screen 7 is fixedly connected to the middle of the bottom end of the T-shaped plate 6. The purpose of this design is to ensure that the filter screen 7 is detachable.

[0025] Further, such as Figure 2-4 As shown, the following preferred technical solutions are provided:

[0026] A sealing gasket 8 is attached to the upper end of the rectangular box 3, and the filter screen 7 is slidably connected to the inner side of the rectangular box 3. The purpose of this design is to improve the sealing performance by squeezing and deforming the sealing gasket 8.

[0027] Further, such as Figure 1 and Figure 2 As shown, the following preferred technical solutions are provided:

[0028] The L-shaped plate 9 is fixedly connected to the outer side of the cover plate 4, the fixed plate 10 is fixedly connected to the upper end of the outer side of the rectangular box 3, the limit rod 11 is slidably connected to the inside of the fixed plate 10, one end of the limit rod 11 is fixedly connected to the circular plate 12, and the two ends of the spring 13 are respectively fixedly connected to the side of the fixed plate 10 and the side of the circular plate 12. In the initial state, the spring 13 drives the limit rod 11 to engage with the inside of the L-shaped plate 9. The purpose of this design is to drive the limit rod 11 to be inserted into the inside of the L-shaped plate 9 by the spring 13 to fix the position of the L-shaped plate 9.

[0029] Further, such as Figure 1 and Figure 2 As shown, the following preferred technical solutions are provided:

[0030] The outer side of the circular plate 12 is rotatably connected to a circular ring 14 through a bearing, the outer side of the circular ring 14 is fixedly connected to a convex plate 15, and the outer side of the rectangular box 3 is also fixedly connected to a baffle 16. The purpose of this design is to pull the limit rod 11 and then rotate the circular ring 14 to make the convex plate 15 contact with the baffle 16. At this time, the position of the limit rod 11 is fixed, which is convenient for taking and placing the cover plate 4.

[0031] Further, such as Figure 1 and Figure 2 As shown, the following preferred technical solutions are provided:

[0032] A handle 17 is fixedly connected to the upper end of the cover plate 4 , and the outer side of the handle 17 is processed with anti-slip grooves. The purpose of such design is to facilitate the removal and placement of the cover plate 4 .

[0033] In summary: when the filter 7 needs to be replaced, the limiting rod 11 is pulled outward to leave the inside of the L-shaped plate 9, and then the cover plate 4 is moved upward to drive the filter 7 out of the rectangular box 3, and then the T-shaped plate 6 is taken out of the cover plate 4, and the T-shaped plate 6 connected to the new filter 7 is installed in the cover plate 4, and then the limiting rod 11 is pulled outward and the spring 13 is stretched, and then the filter 7 is inserted into the rectangular box 3, and the cover plate 4 squeezes the sealing gasket 8 downward, and then the limiting rod 11 is released, and the spring 13 restores the deformation and pulls the limiting rod 11 to insert into the L-shaped plate 9, and the filter 7 is installed. The purpose of this design is that a single person can quickly replace the filter 7, and the squeezing deformation of the sealing gasket 8 improves the installation stability and sealing.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A valve actuator for facilitating replacement of a filter element, comprising an actuator body (1), characterized in that: The water inlet end of the actuator body (1) is fixedly provided with a water inlet pipe (2), the water inlet pipe (2) is fixedly connected with a rectangular box (3), a filter screen (7) is movably provided inside the rectangular box (3), a T-shaped plate (6) is provided at the upper end of the filter screen (7), a cover plate (4) is detachably installed on the outer side of the T-shaped plate (6), a sealing gasket (8) is further provided between the cover plate (4) and the rectangular box (3), an L-shaped plate (9) is provided on the outer side of the cover plate (4), a fixed plate (10) is provided on the upper end of the outer side of the rectangular box (3), a limit rod (11) is movably provided inside the fixed plate (10), and a spring (13) is coated on the outer side of the limit rod (11).

2. A valve actuator for easy replacement of filter element according to claim 1, characterized in that: The cover plate (4) is provided with a T-shaped groove (5) inside, the T-shaped plate (6) and the inner side of the T-shaped groove (5) are mutually engaged and matched in size, and a filter screen (7) is fixedly connected to the middle of the bottom end of the T-shaped plate (6).

3. A valve actuator for easy replacement of filter element according to claim 1, characterized in that: A sealing gasket (8) is attached to the upper end of the rectangular box (3), and the filter screen (7) is slidably connected to the inner side of the rectangular box (3).

4. A valve actuator for easy replacement of filter element according to claim 1, characterized in that: The L-shaped plate (9) is fixedly connected to the outside of the cover plate (4), the fixed plate (10) is fixedly connected to the upper end of the outside of the rectangular box (3), the limit rod (11) is slidably connected to the inside of the fixed plate (10), one end of the limit rod (11) is fixedly connected to the circular plate (12), the two ends of the spring (13) are respectively fixedly connected to the side of the fixed plate (10) and the side of the circular plate (12), and the spring (13) drives the limit rod (11) to engage with the inside of the L-shaped plate (9) in the initial state.

5. A valve actuator for easy replacement of filter element according to claim 4, characterized in that: The outer side of the circular plate (12) is rotatably connected to a circular ring (14) via a bearing, the outer side of the circular ring (14) is fixedly connected to a convex plate (15), and the outer side of the rectangular box (3) is also fixedly connected to a baffle (16).

6. The valve actuator for easy replacement of filter element according to claim 1, characterized in that: The upper end of the cover plate (4) is fixedly connected with a handle (17), and the outer side of the handle (17) is processed with anti-slip patterns.

Images