Waterproof valve electric actuator

Abstract

The utility model discloses a waterproof valve electric actuator which comprises a shell, a key body connected with the shell, a waterproof component used for protecting the key body and a noise reduction component used for reducing noise, a motor is installed in the shell, the output end of the motor is fixedly connected with a connecting shaft, and the connecting shaft is fixedly connected with the key body. The waterproof component comprises a transparent waterproof cover arranged above the key body, a moving groove formed in one side of the top of the shell, and a moving block connected with the moving groove. According to the technical scheme, the problems that in the prior art, although an electric actuator can be protected, when the electric actuator is used, external water easily enters the electric actuator from a button, the electric actuator is easily damaged, and when the electric actuator works, a noise reduction structure is lacked, noise is relatively large, and then practicability is poor are solved.

Description

Technical Field

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

[0002] Valve electric actuators refer to machines that use electricity as the main energy source to drive valves. They are divided into multi-turn, part-turn, straight-through, angle-through, etc. The actuators of electric actuators use liquid, gas, electricity or other energy and convert them into driving effects through motors, cylinders or other devices. The basic actuators are used to drive valves to fully open or fully closed positions.

[0003] The existing patent CN213776540U discloses a valve electric actuator, which relates to the field of actuators, including an actuator body, a water cooling mechanism and a shock absorbing mechanism. The actuator body includes a housing and a connecting sleeve integrally formed with the housing, a motor is fixedly installed at the bottom of the housing, a connecting shaft is provided at the output end of the motor, and the connecting sleeve is arranged around the outside of the connecting shaft. The water cooling mechanism includes a water tank and a water cooling pipe fixedly installed at the top of the housing, the water tank is connected to the water cooling pipe, and the water cooling pipe is arranged on the outer surface of the motor. The shock absorbing mechanism includes a shock absorbing plate and a shock absorbing spring, the shock absorbing plate is coated on the inner surface of the housing, and the shock absorbing spring is fixedly installed inside the shock absorbing plate. The utility model alleviates the impact of the electric actuator when it is subjected to external force through the buffering of the shock absorbing spring, and the water cooling pipe arranged around the motor can effectively reduce the temperature of the motor and extend the service life of the electric actuator.

[0004] Based on the search of the above patents and in combination with the valve electric actuators in the prior art, it was found that although the above valve electric actuators can protect the electric actuators when in use, external water can easily enter the electric actuators through the buttons when the electric actuators are in use, which can easily damage the electric actuators. In addition, the electric actuators lack noise reduction structures when working, resulting in relatively loud noises, which in turn leads to poor practicality. Utility Model Content

[0005] The purpose of the utility model is to provide a waterproof valve electric actuator to solve the problem that the existing valve electric actuator proposed in the above background technology can protect the electric actuator when in use, but when the electric actuator is in use, external water can easily enter the electric actuator through the button, which can easily damage the electric actuator, and the electric actuator lacks a noise reduction structure when working, resulting in relatively large noise, which in turn leads to poor practicality.

[0006] To achieve the above object, the utility model provides the following technical solution: a waterproof valve electric actuator, comprising a housing, a key body connected to the housing, a waterproof component for protecting the key body, and a noise reduction component for reducing noise, a motor is installed in the housing, and a connecting shaft is fixedly connected to the output end of the motor;

[0007] The waterproof component includes a transparent waterproof cover arranged above the key body, a moving groove opened on one side of the top of the shell, a moving block connected to the moving groove, a first spring connected to one side of the moving block, a moving plate connected to the top of the moving block, a fixing rod connected to one side of the moving plate, a fixing hole opened on one side of the transparent waterproof cover, a circular groove opened on the top of the shell and a sealing ring connected to the bottom of the transparent waterproof cover, the sealing ring is plugged into the circular groove, the fixing rod is plugged into the fixing hole, the moving block is slidably connected to the moving groove, and the transparent waterproof cover is hinged to the shell.

[0008] Preferably, the noise reduction component includes installation cavities respectively opened on both sides of the shell, connecting plates respectively connected to both sides of the motor, a guide rod connected to one side of the connecting plate, a slide plate connected to one end of the guide rod, a groove opened on one side of the installation cavity, a sliding rod connected to one side of the slide plate, a second spring sleeved on the outside of the sliding rod, and a damper arranged between the connecting plate and the inner wall of the shell, the guide rod passes through the installation cavity and is slidably connected to the shell, and the slide plate is slidably connected to the installation cavity.

[0009] Preferably, a fixing ring is sleeved on the outer side of the slide rod, a first spring sheet is fixedly connected to one side of the fixing ring, a second spring sheet abuts against one side of the first spring sheet, the second spring sheet is fixedly connected to the inner wall of the installation cavity, and both ends of the second spring are fixedly connected to the fixing ring and the slide plate respectively.

[0010] Preferably, a connecting rod is fixedly connected to the top of the slide plate, and a connecting ring is fixedly connected to the top of the connecting rod.

[0011] Preferably, limiting grooves are respectively provided on both sides of the installation cavity, limiting blocks are slidably connected in the limiting grooves, and the limiting blocks are fixedly connected to the slide plate.

[0012] Preferably, a handle is fixedly connected to the top of the transparent waterproof cover, and a rubber pad is fixedly connected to the outer side of the handle.

[0013] Preferably, sound insulation cotton is provided around the shell, and the sound insulation cotton is adhered to the inner wall of the shell.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. By setting a shell, a button body and a waterproof component, the button body can be covered by a transparent waterproof cover, and the sealing ring can be inserted into the circular groove to seal the gap between the transparent waterproof cover and the shell, thereby preventing external water from entering the transparent waterproof cover, thereby preventing water from entering the shell, and protecting the electric actuator from damage. Under the push of the first spring, the fixing rod can be inserted into the fixing hole to fix the transparent waterproof cover to prevent its rotation from affecting the waterproof performance, thereby greatly improving the practicality of the device;

[0016] 2. By providing a noise reduction component, when the motor vibrates during operation, it can drive the connecting plate to move, and then the guide rod can drive the slide plate to move, and the slide plate can drive the second spring to deform, thereby buffering the vibration of the motor, thereby reducing the noise generated by the motor, achieving the effect of noise reduction, preventing excessive noise from affecting the environment, and further improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the three-dimensional structure provided by the utility model;

[0018] Figure 2 A front view provided for the utility model;

[0019] Figure 3 The utility model provides Figure 2 The three-dimensional cross-section view at AA in the middle;

[0020] Figure 4 The utility model provides Figure 3 The enlarged view of point B in the middle;

[0021] Figure 5 The utility model provides Figure 3 Enlarged view of point C in the middle.

[0022] In the figure: 1. shell; 11. button body; 12. motor; 13. connecting shaft; 21. transparent waterproof cover; 22. moving groove; 23. moving block; 24. first spring; 25. moving plate; 26. fixing rod; 27. fixing hole; 28. circular groove; 29. ​​sealing ring; 31. installation cavity; 32. connecting plate; 33. guide rod; 34. slide plate; 35. groove; 36. slide bar; 37. second spring; 38. damper; 41. fixing ring; 42. first spring piece; 43. second spring piece; 51. connecting rod; 52. connecting ring; 61. limit groove; 62. limit block; 71. handle; 72. rubber pad; 81. sound insulation cotton. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1 , Figure 2 , Figure 3 as well as Figure 4 The utility model provides a technical solution: a waterproof valve electric actuator, comprising a housing 1, a button body 11 connected to the housing 1, a waterproof component for protecting the button body 11, and a noise reduction component for reducing noise. A motor 12 is installed in the housing 1, and a connecting shaft 13 is fixedly connected to the output end of the motor 12. The waterproof component comprises a transparent waterproof cover 21 arranged above the button body 11, a moving groove 22 opened on one side of the top of the housing 1, a moving block 23 connected to the moving groove 22, and a The first spring 24, the moving plate 25 connected to the top of the moving block 23, the fixing rod 26 connected to one side of the moving plate 25, the fixing hole 27 opened on one side of the transparent waterproof cover 21, the round groove 28 opened on the top of the shell 1 and the sealing ring 29 connected to the bottom of the transparent waterproof cover 21, the sealing ring 29 is plugged into the round groove 28, the fixing rod 26 is plugged into the fixing hole 27, the moving block 23 is slidably connected to the moving groove 22, the transparent waterproof cover 21 is hinged to the shell 1, the button body 11 can be covered by the transparent waterproof cover 21, and the sealing ring 29 is connected to the bottom of the transparent waterproof cover 21. It can be inserted into the circular groove 28, and the gap between the transparent waterproof cover 21 and the shell 1 can be sealed, so as to prevent external water from entering the shell 1 through the key body 11, and the electric actuator can be protected. The fixing rod 26 can be inserted into the fixing hole 27 under the push of the first spring 24, and the transparent waterproof cover 21 and the shell 1 can be connected and fixed to prevent the transparent waterproof cover 21 from opening and affecting the waterproof performance. The top of the slide plate 34 is fixedly connected with a connecting rod 51, and the top of the connecting rod 51 is fixedly connected with a connecting ring 52. The connecting ring 52 can drive the connecting rod 51 to move horizontally, and then drive the connecting rod 51 and the movable plate 25 to move horizontally, and then it can easily drive the fixing rod 26 to move, so as to open or close the transparent waterproof cover 21. The top of the transparent waterproof cover 21 is fixedly connected with a handle 71, and the outer side of the handle 71 is fixedly connected with a rubber pad 72. The handle 71 can easily drive the transparent waterproof cover 21 to rotate, and can conveniently cover or expose the key body 11, so as to facilitate operation and protect the key body 11, and the rubber pad 72 can improve the comfort of holding.

[0025] See also Figure 1 , Figure 2 , Figure 3 as well as Figure 5 The noise reduction component includes mounting cavities 31 respectively provided on both sides of the housing 1, connecting plates 32 respectively connected to both sides of the motor 12, a guide rod 33 connected to one side of the connecting plate 32, a slide plate 34 connected to one end of the guide rod 33, a groove 35 provided on one side of the mounting cavity 31, a slide bar 36 connected to one side of the slide plate 34, a second spring 37 sleeved on the outside of the slide bar 36, and a damper 38 provided between the connecting plate 32 and the inner wall of the housing 1. The guide rod 33 penetrates the mounting cavity 31 and is slidably connected to the housing 1. The slide plate 34 is slidably connected to the mounting cavity 31. When the motor 12 vibrates during operation, the connecting plate 32 can be driven to move synchronously. The movement of the connecting plate 32 can drive the guide rod 33 to move. The guide rod 33 can drive the slide plate 34 to move, and then the first spring 24 can be squeezed to deform it. The elasticity of the first spring 24 can be used to buffer the vibration, and then the noise generated by the operation of the motor 12 can be reduced, thereby reducing noise pollution. A fixing ring 41 is sleeved on the outside of the slide bar 36. One side of the fixing ring 41 is fixed A first spring piece 42 is fixedly connected, and a second spring piece 43 is abutted on one side of the first spring piece 42. The second spring piece 43 is fixedly connected to the inner wall of the installation cavity 31. Two ends of the second spring 37 are fixedly connected to the fixing ring 41 and the slide plate 34 respectively. The slide plate 34 moves to squeeze the second spring 37 to push the fixing ring 41 to move. The movement of the fixing ring 41 can squeeze the first spring piece 42 and the second spring piece 43. The elasticity of the first spring piece 42 and the second spring piece 43 can be used to further improve the buffering performance, thereby improving the noise reduction performance. Limiting grooves 61 are respectively provided on both sides of the installation cavity 31. Limiting blocks 62 are slidably connected in the limiting grooves 61. The limiting blocks 62 are fixedly connected to the slide plate 34. The limiting blocks 62 can move synchronously with the slide plate 34, and can limit and guide the movement of the slide plate 34 to prevent the slide plate 34 from tilting. Sound insulation cotton 81 is respectively arranged around the shell 1. The sound insulation cotton 81 is adhered to the inner wall of the shell 1. The sound insulation cotton 81 can isolate the sound in the shell 1, thereby further improving the noise reduction performance.

[0026] Working principle: When working, the connecting ring 52 can be pulled to drive the connecting rod 51 to move, the movement of the connecting rod 51 can drive the moving plate 25 to move, the movement of the moving plate 25 can drive the moving block 23 and the fixing rod 26 to move, the movement of the moving block 23 can squeeze the first spring 24 to deform it, and then the transparent waterproof cover 21 can be rotated to contact with the top of the shell 1, at this time, the sealing ring 29 is inserted into the circular groove 28 to seal the gap, and then the connecting ring 52 can be loosened, the first spring 24 is reset to reset the fixing rod 26, and then the fixing rod 26 can be inserted into the fixing hole 27, and then the transparent waterproof cover 21 and the shell 1 can be fixed to prevent it from opening and affecting the waterproof performance, and the sealing ring 29 can prevent external water from entering the shell 1 through the key body 11. It can play a waterproof role. The motor 12 will generate vibration when working. The motor 12 can move the connecting plate 32. The movement of the connecting plate 32 can drive the guide rod 33 to move. The guide rod 33 can drive the slide plate 34 to move. The slide plate 34 can squeeze the second spring 37 to deform it. The second spring 37 can drive the fixing ring 41 to move. The fixing ring 41 can squeeze the first spring piece 42 and the second spring piece 43 to deform it. The second spring 37, the first spring piece 42 and the second spring piece 43 can be used to slow down the vibration, thereby reducing the noise emitted by the motor 12. The noise reduction performance can be further improved by the sound insulation cotton 81, which can effectively reduce noise pollution. The above is the working process of the entire device, and the contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0027] 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 waterproof valve electric actuator, comprising a housing (1), a key body (11) connected to the housing (1), a waterproof component for protecting the key body (11), and a noise reduction component for reducing noise, characterized in that: A motor (12) is installed in the housing (1), and a connecting shaft (13) is fixedly connected to an output end of the motor (12); The waterproof component comprises a transparent waterproof cover (21) arranged above the key body (11), a moving groove (22) provided on one side of the top of the housing (1), a moving block (23) connected to the moving groove (22), a first spring (24) connected to one side of the moving block (23), a moving plate (25) connected to the top of the moving block (23), a fixing rod (26) connected to one side of the moving plate (25), a fixing hole (27) provided on one side of the transparent waterproof cover (21), a round groove (28) provided on the top of the housing (1), and a sealing ring (29) connected to the bottom of the transparent waterproof cover (21), wherein the sealing ring (29) is plugged into the round groove (28), the fixing rod (26) is plugged into the fixing hole (27), the moving block (23) is slidably connected to the moving groove (22), and the transparent waterproof cover (21) is hinged to the housing (1).

2. A waterproof valve electric actuator according to claim 1, characterized in that: The noise reduction component comprises a mounting cavity (31) respectively provided on both sides of the housing (1), a connecting plate (32) respectively connected to both sides of the motor (12), a guide rod (33) connected to one side of the connecting plate (32), a slide plate (34) connected to one end of the guide rod (33), a groove (35) provided on one side of the mounting cavity (31), a slide bar (36) connected to one side of the slide plate (34), a second spring (37) sleeved on the outside of the slide bar (36), and a damper (38) provided between the connecting plate (32) and the inner wall of the housing (1), the guide rod (33) passing through the mounting cavity (31) and being slidably connected to the housing (1), and the slide plate (34) being slidably connected to the mounting cavity (31).

3. A waterproof valve electric actuator according to claim 2, characterized in that: A fixing ring (41) is sleeved on the outside of the slide rod (36); a first spring sheet (42) is fixedly connected to one side of the fixing ring (41); a second spring sheet (43) abuts against one side of the first spring sheet (42); the second spring sheet (43) is fixedly connected to the inner wall of the mounting cavity (31); and two ends of the second spring (37) are fixedly connected to the fixing ring (41) and the slide plate (34), respectively.

4. A waterproof valve electric actuator according to claim 2, characterized in that: The top of the slide plate (34) is fixedly connected to a connecting rod (51), and the top of the connecting rod (51) is fixedly connected to a connecting ring (52).

5. A waterproof valve electric actuator according to claim 2, characterized in that: Limiting grooves (61) are respectively provided on both sides of the installation cavity (31), and limiting blocks (62) are slidably connected in the limiting grooves (61), and the limiting blocks (62) are fixedly connected to the slide plate (34).

6. A waterproof valve electric actuator according to claim 1, characterized in that: A handle (71) is fixedly connected to the top of the transparent waterproof cover (21), and a rubber pad (72) is fixedly connected to the outside of the handle (71).

7. The waterproof valve electric actuator according to claim 1, characterized in that: Sound insulation cotton (81) is provided on all four sides of the shell (1), and the sound insulation cotton (81) is adhered to the inner wall of the shell (1).

Images