Sealing waterproof connecting structure of valve electric actuator

Abstract

The utility model relates to the technical field of valve electric actuators, and discloses a sealed and waterproof connecting structure of a valve electric actuator, which comprises a protective shell, a threaded rod is in threaded connection with the protective shell, a connecting block is fixedly connected with the threaded rod, a rotating rod is arranged on the connecting block, a wedge block is fixedly connected with the threaded rod, and the wedge block is fixedly connected with the protective shell. A first spring sleeves the threaded rod, a first rubber ring is arranged on the protective shell, an actuator body is slidably connected to the protective shell, a connecting plate is fixedly connected to the actuator body, a first connecting rod is fixedly connected to the connecting plate, and a second connecting rod is fixedly connected to the first connecting rod. The second connecting rod is attached to the wedge-shaped blocks, a rubber block is arranged on the protective shell, and a worker reversely rotates the two sets of connecting blocks and the rotating rod to drive the two sets of wedge-shaped blocks to move oppositely and be attached to the second connecting rod, so that the actuator body can be fixed and detached conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of valve electric actuators, in particular to a sealing and waterproof connection structure of a valve electric actuator. Background Art

[0002] The connection structure of the sealed and waterproof valve electric actuator needs to consider many factors in the design, including sealing and waterproof technology, connection method, installation environment, working medium temperature and wiring technology. Through reasonable design and selection, it can ensure that the valve electric actuator can operate stably in a complex working environment and extend its service life.

[0003] The valve electric actuator still has the following defects when in use: inconvenient installation and disassembly and low working efficiency. Therefore, it is of great application value to develop a sealing and waterproof connection structure of the valve electric actuator. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a sealing and waterproof connection structure of a valve electric actuator.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a connection structure of a sealed and waterproof valve electric actuator, including a protective shell, a threaded rod is threadedly connected to the protective shell, a connecting block is fixedly connected to the threaded rod, a rotating rod is provided on the connecting block, a wedge block is fixedly connected to the threaded rod, a spring is sleeved on the threaded rod, a rubber ring is provided on the protective shell, an actuator body is slidably connected to the protective shell, a connecting plate is fixedly connected to the actuator body, a connecting rod 1 is fixedly connected to the connecting plate, a connecting rod 2 is fixedly connected to the connecting rod 1, the connecting rod 2 is fitted on the wedge block, a rubber block is provided on the protective shell, and the rubber block is fitted on the connecting rod 1.

[0006] As a further description of the above technical solution:

[0007] A coil is provided in the actuator body, an armature is provided in the actuator body, a plunger is slidably connected in the actuator body, a connecting rod three is provided on the plunger, the connecting rod three slides on the armature, a spring two is fixedly connected to the plunger, and one end of the spring two away from the plunger is fixedly connected to the armature.

[0008] As a further description of the above technical solution:

[0009] The protective shell is fixedly connected with a valve body, the valve body is provided with a flange, the flange is provided with a second rubber ring, the valve body is provided with a connecting ring, the connecting ring is provided with a through hole, and the actuator body is provided with a wire tube.

[0010] As a further description of the above technical solution:

[0011] The plunger slides on the through hole, and the flange is provided with two groups.

[0012] As a further description of the above technical solution:

[0013] The rotating rods are provided in two groups, and the connecting rods are provided in two groups.

[0014] As a further description of the above technical solution:

[0015] The wedge block slides on the rubber ring 1, and the threaded rod slides on the sliding groove.

[0016] As a further description of the above technical solution:

[0017] The connecting rod 2 is provided with two groups, and the spring 1 is arranged in the slide groove.

[0018] The utility model has the following beneficial effects:

[0019] 1. In the utility model, when the valve electric actuator is connected, the staff first rotates the two groups of connection blocks and the rotating rod to drive the two groups of wedge blocks to shrink and move in the opposite direction. At this time, the staff slides the connecting rod 1 and the connecting rod 2 from the grooves provided on the protective shell into the protective shell. The staff rotates the two groups of connection blocks and the rotating rod in the opposite direction to drive the two groups of wedge blocks to move in opposite directions and fit with the connecting rod 2. In this way, the actuator body can be fixed and disassembly is also convenient.

[0020] 2. In the utility model, when the actuator body is in a stationary state, the plunger is driven by spring 2 to block the through hole to prevent liquid from flowing out. When power is turned on, current begins to flow through the coil winding, an electromagnetic field is formed, and the force generated by the electromagnetic field causes the plunger to move upward to resist the action of spring 2, so that the through hole can be opened, the current is interrupted, the magnetic field disappears, and the plunger blocks the through hole, which makes operation more convenient and greatly improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A three-dimensional schematic diagram of the connection structure of a sealed and waterproof valve electric actuator proposed by the utility model Figure 1 ;

[0022] Figure 2 A three-dimensional schematic diagram of the connection structure of a sealed and waterproof valve electric actuator proposed by the utility model Figure 2 ;

[0023] Figure 3A partial structural section of a connection structure of a sealed and waterproof valve electric actuator proposed by the utility model Figure 1 ;

[0024] Figure 4 A partial structural section of a connection structure of a sealed and waterproof valve electric actuator proposed by the utility model Figure 2 .

[0025] Legend:

[0026] 1. Protective shell; 2. Threaded rod; 3. Connecting block; 4. Rotating rod; 5. Wedge block; 6. Spring 1; 7. Slide groove; 8. Rubber ring 1; 9. Actuator body; 10. Connecting plate; 11. Connecting rod 1; 12. Connecting rod 2; 13. Rubber block; 14. Coil; 15. Armature; 16. Connecting rod 3; 17. Spring 2; 18. Plunger; 19. Valve body; 20. Flange; 21. Rubber ring 2; 22. Connecting ring; 23. Through hole; 24. Wire tube. DETAILED DESCRIPTION

[0027] 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.

[0028] Reference Figure 1-Figure 4 The utility model provides an embodiment: a connection structure of a sealed and waterproof valve electric actuator, including a protective shell 1, a threaded rod 2 is threadedly connected to the protective shell 1, a connecting block 3 is fixedly connected to the threaded rod 2, a rotating rod 4 is provided on the connecting block 3, a wedge block 5 is fixedly connected to the threaded rod 2, a spring 6 is sleeved on the threaded rod 2, a rubber ring 8 is provided on the protective shell 1, an actuator body 9 is slidably connected to the protective shell 1, a connecting plate 10 is fixedly connected to the actuator body 9, a connecting rod 1 11 is fixedly connected to the connecting plate 10, a connecting rod 1 11 is fixedly connected to a connecting rod 2 12, and a connecting rod 2 12 is fitted on the wedge block 5, and a rubber block 13 is provided on the protective shell 1, and the rubber block 13 is fitted on the connecting rod 11. When starting to connect the valve electric actuator, the staff first rotates the two groups of connecting blocks 3 and the rotating rod 4 to drive the two groups of wedge blocks 5 to shrink and move in the opposite direction. At this time, the staff slides the connecting rod 11 and the connecting rod 2 12 from the groove provided on the protective shell 1 into the protective shell 1, and the staff rotates the two groups of connecting blocks 3 and the rotating rod 4 in the opposite direction to drive the two groups of wedge blocks 5 to move in opposite directions and fit with the connecting rod 2 12. In this way, the actuator body 9 can be fixed and disassembly is also convenient.

[0029] A coil 14 is provided in the actuator body 9, an armature 15 is provided in the actuator body 9, a plunger 18 is slidably connected in the actuator body 9, a connecting rod 3 16 is provided on the plunger 18, the connecting rod 3 16 slides on the armature 15, a spring 2 17 is fixedly connected to the plunger 18, one end of the spring 2 17 away from the plunger 18 is fixedly connected to the armature 15, a valve body 19 is fixedly connected to the protective shell 1, a flange 20 is provided on the valve body 19, a rubber ring 21 is provided on the flange 20, a connecting ring 22 is provided in the valve body 19, a through hole 23 is provided on the connecting ring 22, a wire tube 24 is provided on the actuator body 9, the plunger 18 slides on the through hole 23, the flange 2 0 is provided with two groups, the rotating rod 4 is provided with two groups, the connecting rod three 16 is provided with two groups, the wedge block 5 slides on the rubber ring 1 8, the threaded rod 2 slides on the slide groove 7, the connecting rod two 12 is provided with two groups, the spring one 6 is provided in the slide groove 7, when the actuator body 9 is in a stationary state, the spring two 17 drives the plunger 18 to block the through hole 23 to prevent the liquid from flowing out, when the power is turned on, the current starts to flow through the coil 14 winding, the electromagnetic field is formed, and the force generated by the electromagnetic field causes the plunger 18 to move upward to resist the action of the spring two 17, so that the through hole 23 can be opened, the current is interrupted, the magnetic field disappears, and the plunger 18 blocks the through hole 23, which is more convenient to operate and greatly improves the work efficiency.

[0030] Working principle: When starting to connect the valve electric actuator, the staff first rotates the two sets of connecting blocks 3 and the rotating rod 4, drives the two sets of threaded rods 2 to rotate on the protective shell 1, and drives the two sets of wedge blocks 5 to shrink and move in the opposite direction. At this time, the staff slides the connecting rod 11 and the connecting rod 2 12 from the groove provided on the protective shell 1 into the protective shell 1, and blocks the sliding groove 7 with a rubber block 13. At the same time, the actuator body 9 slides from the groove provided on the protective shell 1 into the protective shell 1. The staff blocks the gap of the groove with a rubber ring, and slides the plunger 18 into the through hole 23 to block the through hole 23 on the connecting ring 22. At this time, the staff rotates the two sets of The connecting block 3 and the rotating rod 4 drive the two groups of wedge blocks 5 to move in opposite directions and fit with the connecting rod 2 12, so that the actuator body 9 can be fixed and it is also convenient to disassemble. When the actuator body 9 is in a stationary state, the spring 2 17 drives the plunger 18 to block the through hole 23 to prevent the liquid from flowing out. When the power is turned on, the current begins to flow through the coil 14 winding, and an electromagnetic field is formed. The force generated by the electromagnetic field causes the plunger 18 to move upward to resist the action of the spring 2 17, so that the through hole 23 can be opened. Once the current is interrupted and the magnetic field disappears, the spring 2 17 will rebound the plunger 18 to block the through hole 23, which is more convenient to operate and greatly improves work efficiency.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sealing and waterproof connection structure of a valve electric actuator, comprising a protective shell (1), characterized in that: The protective shell (1) is threadedly connected to a threaded rod (2), the threaded rod (2) is fixedly connected to a connecting block (3), the connecting block (3) is provided with a rotating rod (4), the threaded rod (2) is fixedly connected to a wedge block (5), the threaded rod (2) is sleeved with a spring (6), the protective shell (1) is provided with a rubber ring (8), the protective shell (1) is slidably connected to an actuator body (9), the actuator body (9) is fixedly connected to a connecting plate (10), the connecting plate (10) is fixedly connected to a connecting rod (11), the connecting rod (11) is fixedly connected to a connecting rod (12), the connecting rod (12) is fitted on the wedge block (5), the protective shell (1) is provided with a rubber block (13), the rubber block (13) is fitted on the connecting rod (11).

2. The sealing and waterproof connection structure of a valve electric actuator according to claim 1, characterized in that: A coil (14) is provided in the actuator body (9), an armature (15) is provided in the actuator body (9), a plunger (18) is slidably connected in the actuator body (9), a connecting rod (16) is provided on the plunger (18), the connecting rod (16) slides on the armature (15), a spring (17) is fixedly connected to the plunger (18), and an end of the spring (17) away from the plunger (18) is fixedly connected to the armature (15).

3. A sealing and waterproof connection structure for an electric valve actuator according to claim 2, characterized in that: The protective shell (1) is fixedly connected to a valve body (19), the valve body (19) is provided with a flange (20), the flange (20) is provided with a second rubber ring (21), a connecting ring (22) is provided inside the valve body (19), the connecting ring (22) is provided with a through hole (23), and the actuator body (9) is provided with a wire tube (24).

4. The sealing and waterproof connection structure of a valve electric actuator according to claim 3, characterized in that: The plunger (18) slides on the through hole (23), and the flange (20) is provided in two groups.

5. The sealing and waterproof connection structure of a valve electric actuator according to claim 4, characterized in that: The rotating rod (4) is provided in two groups, and the connecting rod three (16) is provided in two groups.

6. A sealing and waterproof connection structure for an electric valve actuator according to claim 5, characterized in that: The wedge block (5) slides on the rubber ring (8), and the threaded rod (2) slides on the slide groove (7).

7. A sealing and waterproof connection structure for an electric valve actuator according to claim 6, characterized in that: The second connecting rod (12) is provided with two groups, and the first spring (6) is arranged in the sliding groove (7).

Images