An actuator lifts the valve

Abstract

The utility model relates to the technical field of valve actuators, and discloses an actuator to lift a valve, including a first support seat, a second support seat and a valve body, a valve seat is arranged inside the valve body, a valve flap is installed on the valve seat, the valve flap is connected to a valve stem, the valve stem extends to the outside of the top of the valve body, the first support seat is located at the top of the valve body, and a square hole is opened inside the first support seat, the valve stem passes through the first support seat through the square hole, a steel pipe is fixedly installed on the top of the first support seat, and the second support seat is fixedly installed on the top of the steel pipe. The utility model is convenient for changing the lifting height, and not only the cost will be greatly reduced while meeting the lifting needs of the valve actuator, but also the versatility is strong. Its versatility is not only reflected in that only the length of the upper steel pipe needs to be changed when changing the lifting height, but also the lifting valve and conventional valves also have strong versatility.

Description

Technical Field

[0001] The utility model relates to the technical field of valve actuators, in particular to an actuator that lifts a valve. Background Art

[0002] Actuators are divided into three categories according to their energy form: pneumatic, electric and hydraulic. They have their own characteristics and are suitable for different occasions. Nowadays, valves such as zone valves, four-port three-way valves, and manifolds are used as pipeline on-off devices and are widely used in water and gas transportation fields such as building air-conditioning systems and heating systems. The above valves require valve actuators to control the opening and closing process, so valve actuators play an essential role in today's industrial production.

[0003] Most of the existing valves with actuator lifting structures are reconfigured according to the needs and can only be used for a specific height. If the lifting height changes, the overall structure of the valve will change more complicated. Therefore, we propose an actuator lifting valve. Utility Model Content

[0004] The utility model aims to provide an actuator lifting valve, which is convenient for use with valves of different actuator lifting heights and is convenient for maintenance and disassembly.

[0005] The above technical objectives of the utility model are achieved through the following technical solutions: an actuator lifts a valve, comprising a first support seat, a second support seat and a valve body, a valve seat is arranged inside the valve body, a valve flap is installed on the valve seat, the valve flap is connected to a valve stem, the valve stem extends to the outside of the top of the valve body, the first support seat is located at the top of the valve body, and a square hole is opened inside the first support seat, the valve stem passes through the first support seat through the square hole, a steel pipe is fixedly installed on the top of the first support seat, and the second support seat is fixedly installed on the top of the steel pipe.

[0006] The utility model is further configured as follows: an upper sealing seat is installed on the top of the valve body, and a sealing gasket is provided at the connection between the upper sealing seat and the valve body.

[0007] By adopting the above technical solution, the top sealing performance of the valve body is improved.

[0008] The utility model is further configured as follows: the first support seat and the second support seat are fixed to the steel pipe by welding.

[0009] By adopting the above technical solution, the top of the valve body is made into an integrated structure, and the structure is more stable.

[0010] The utility model is further configured as follows: a threaded rod is provided on the top of the second support seat, a locking nut is threadedly installed on the threaded rod, and a hand wheel is installed on the top of the second support seat through the threaded rod and the locking nut.

[0011] By adopting the above technical solution, a threaded rod with the same specification as the valve stem is provided on the top of the second support seat so as to cooperate with the valve stem without changing the original valve parts.

[0012] The utility model is further configured as follows: a press sleeve is arranged on the top of the upper sealing seat, a press plate is installed on the top of the press sleeve, a valve cover is arranged on the top of the press plate, and a press cover nut is installed on the top of the valve cover.

[0013] By adopting the above technical solution, the connection between the top of the valve body and the steel pipe weldment is stabilized.

[0014] The utility model is further configured as follows: a movable bolt is installed on the pressure plate, and a fastening nut is threadedly installed on the movable bolt.

[0015] By adopting the above technical solution, the pressure plate can be easily installed.

[0016] The beneficial effect of the utility model is that two support seats and steel pipes are added to the upper part of a conventional valve, and the three are welded into one. When it is not necessary to lift them, they can be removed. The upper actuator installation position can be adjusted to transform it into a conventional valve. The principle is that when the valve is switched by the actuator, the actuator will transmit the force and torque through the first support seat to the welded part of the first support seat and the steel pipe, and then transmit it to the valve stem through the second support seat, thereby driving the switch of the valve. It has low cost and strong versatility, is easy to repair and disassemble, and is also convenient for changing the lifting height. While meeting the lifting needs of the valve actuator, not only will the cost be reduced a lot, but the versatility is also strong. Its versatility is not only reflected in the fact that only the length of the upper steel pipe needs to be changed when changing the lifting height, but also the lifting valve and the conventional valve also have extremely strong versatility. The upper half of the steel pipe welded part can be directly removed and used as a conventional valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

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

[0019] Figure 2It is a side view of the utility model;

[0020] Figure 3 It is a cross-sectional view of the first support seat in the utility model;

[0021] Figure 4 It is a top view of the first support seat in the utility model;

[0022] Figure 5 It is a structural schematic diagram of the second support seat in the utility model;

[0023] Figure 6 It is a top view of the second support seat in the utility model.

[0024] In the figure, 1. first support seat; 2. second support seat; 3. steel pipe; 4. hand wheel; 5. locking nut; 6. gland nut; 7. valve cover; 8. fastening nut; 9. pressure plate; 10. live bolt; 11. pressing sleeve; 12. upper sealing seat; 13. valve stem; 14. sealing gasket; 15. valve body; 16. valve seat; 17. valve disc; 18. square hole; 19. threaded rod. DETAILED DESCRIPTION

[0025] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of 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.

[0026] See also Figure 1-6The utility model provides a technical solution: a technical solution for an actuator to lift a valve, comprising a first support seat 1, a second support seat 2 and a valve body 15, a valve seat 16 is arranged inside the valve body 15, a valve flap 17 is installed on the valve seat 16, the valve flap 17 is connected to a valve stem 13, the valve stem 13 extends to the outside of the top of the valve body 15, the first support seat 1 is located at the top of the valve body 15, and a square hole 18 is opened inside the first support seat 1, the valve stem 13 passes through the first support seat 1 through the square hole 18, a steel pipe 3 is fixedly installed on the top of the first support seat 1, the second support seat 2 is fixedly installed on the top of the steel pipe 3, the first support seat 1 and the second support seat 2 are connected to the steel pipe 3 They are fixed by welding, so that the top of the valve body 15 forms an integrated structure with a more stable structure. A threaded rod 19 is provided on the top of the second support seat 2, and a locking nut 5 is threadedly installed on the threaded rod 19. A handwheel 4 is installed on the top of the second support seat 2 through the threaded rod 19 and the locking nut 5. The top of the second support seat 2 is provided with a threaded rod 19 of the same specification as the valve stem 13 so that it can be matched with the original valve parts without changing them. Two support seats and a steel pipe 3 are added to the upper part of the conventional valve, and the three are welded as one, so that they can be removed when they do not need to be lifted. The upper execution installation position can be adjusted to transform it into a conventional valve.

[0027] In the utility model, an upper sealing seat 12 is installed on the top of the valve body 15, and a sealing gasket 14 is provided at the connection between the upper sealing seat 12 and the valve body 15, and a pressing sleeve 11 is provided on the top of the upper sealing seat 12, and a pressing plate 9 is installed on the top of the pressing sleeve 11, and a valve cover 7 is provided on the top of the pressing plate 9, and a pressure cover nut 6 is installed on the top of the valve cover 7, so that the connection between the top of the valve body 15 and the steel pipe 3 welding part is stable, and a live bolt 10 is installed on the pressure plate 9, and a fastening nut 8 is threadedly installed on the live bolt 10, so as to facilitate the installation of the pressure plate 9.

[0028] Working principle: Before use, check the safety of each structure of the device. A first support seat 1, a second support seat 2 and a steel pipe 3 are installed on the upper part of a conventional valve. The three are welded together and can be removed when there is no need to lift them. The upper execution installation position can be adjusted to transform it into a conventional valve. The principle is that when the valve is switched by the actuator, the actuator will transfer the force and torque through the first support seat 1 to the welded part of the first support seat 1 and the steel pipe 3, and then transfer it to the valve stem 13 through the second support seat 2, thereby driving the switch of the valve. It has low cost, strong versatility, and is easy to maintain and disassemble. It is also convenient to change the lifting height, which meets the lifting needs of the valve actuator. Not only will the cost be reduced a lot, but it also has strong versatility. Its versatility is not only reflected in the fact that only the length of the upper steel pipe needs to be changed when changing the lifting height, but also the lifting valve and the conventional valve also have strong versatility. Just remove the upper half of the steel pipe 3 welded part and it can be used as a conventional valve.

[0029] 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, and the standard parts used in this application document can all be purchased from the market, and can be customized according to the description and drawings. The specific connection method of each part adopts the mature conventional means in the prior art, the machinery, parts and equipment adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0030] Although the 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. An actuator lifting valve, comprising a first support seat (1), a second support seat (2) and a valve body (15), characterized in that: A valve seat (16) is provided inside the valve body (15), a valve flap (17) is installed on the valve seat (16), the valve flap (17) is connected to a valve stem (13), the valve stem (13) extends to the outside of the top of the valve body (15), the first support seat (1) is located at the top of the valve body (15), and a square hole (18) is opened inside the first support seat (1), the valve stem (13) passes through the first support seat (1) through the square hole (18), a steel pipe (3) is fixedly installed on the top of the first support seat (1), and the second support seat (2) is fixedly installed on the top of the steel pipe (3).

2. An actuator lifting valve according to claim 1, characterized in that: An upper sealing seat (12) is installed on the top of the valve body (15), and a sealing gasket (14) is provided at the connection between the upper sealing seat (12) and the valve body (15).

3. The actuator lifting valve according to claim 1, characterized in that: The first support seat (1) and the second support seat (2) are fixed to the steel pipe (3) by welding.

4. The actuator-lifting valve according to claim 1, characterized in that: A threaded rod (19) is provided at the top of the second support seat (2), a locking nut (5) is threadedly mounted on the threaded rod (19), and a hand wheel (4) is mounted on the top of the second support seat (2) via the threaded rod (19) and the locking nut (5).

5. The actuator lifting valve according to claim 2, characterized in that: A pressing sleeve (11) is arranged on the top of the upper sealing seat (12), a pressing plate (9) is installed on the top of the pressing sleeve (11), a valve cover (7) is arranged on the top of the pressing plate (9), and a pressing cover nut (6) is installed on the top of the valve cover (7).

6. An actuator lifting valve according to claim 5, characterized in that: A hinge bolt (10) is installed on the pressure plate (9), and a fastening nut (8) is threadedly installed on the hinge bolt (10).

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