CN211196567U

CN211196567U - Novel underwater electric actuator

Info

Publication number: CN211196567U
Application number: CN201921853339.0U
Authority: CN
Inventors: 朱晨曦
Original assignee: Tianjin Baird Valve Co ltd
Current assignee: Tianjin Baird Valve Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-08-07
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses a novel electric actuator under water, including the waterproof box, the inside lower fixed surface of waterproof box is provided with places the piece, the last surface activity of placing the piece is provided with the electric actuator body, the fixed actuating lever that is provided with in right side of electric actuator body, the right-hand member of actuating lever runs through and extends to the outside of waterproof box. The utility model discloses a set up waterproof box, baffler and water-swelling circle for waterproof box carries out water-proof protection to electric actuator body surface, the baffler seals up waterproof to the actuating lever surface with the cooperation of water-swelling circle, effectual prevention water passes through inside actuating lever surface current to the electric actuator body, still through setting up the fly leaf, rotor plate and sealing washer, make fly leaf and waterproof box threaded connection, it seals up waterproof to fly leaf surface gap outside to utilize rotor plate and sealing washer, thereby make the water-proof effects of electric actuator body better, long service life.

Description

Novel underwater electric actuator

Technical Field

The utility model relates to an electric actuator technical field specifically is a novel electric actuator under water.

Background

The electric actuator is a driving device capable of providing linear or rotary motion, which utilizes certain driving energy and works under the action of certain control signals, and an actuating mechanism uses liquid, gas, electric power or other energy and converts the energy into driving action through a motor, a cylinder or other devices; the basic types of the underwater electric actuator are three driving modes of partial rotation, multi-rotation and straight stroke, and the underwater electric actuator is generally used for performing the functions of moving, clamping, grabbing, lifting and the like of objects in underwater ocean engineering;

the conventional apparatus has the following disadvantages:

at present, the most of existing underwater actuators have the problem of infirm sealing, and long-term use can cause water to enter the electric actuator, so that the electric actuator is damaged, and the service life of the electric actuator is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel electric actuator under water to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel underwater electric actuator, includes waterproof box, the inside lower fixed surface of waterproof box is provided with places the piece, the upper surface activity of placing the piece is provided with the electric actuator body, the fixed actuating lever that is provided with in right side of electric actuator body, the right-hand member of actuating lever runs through and extends to the outside of waterproof box, the surface of actuating lever is provided with waterproof mechanism, the middle part activity of waterproof box left surface is provided with the fly leaf, the surface of fly leaf is provided with complementary unit, the inside of fly leaf is provided with sealing mechanism, complementary unit includes the rotor plate, the fixed left surface that sets up at the fly leaf of rotor plate, the fixed sealing washer that is provided with in right flank of rotor plate, the seal groove has been seted up to the left surface of waterproof box, sealing washer and seal groove swing.

Preferably, waterproofing mechanism includes the separation board, the fixed right-hand member that sets up in waterproof box inside of separation board, the middle part of separation board and the surperficial swing joint of actuating lever, the right flank of separation board and the inside right flank of waterproof box are all fixed and are provided with water-swelling circle, water-swelling circle activity sets up the surface at the actuating lever.

Preferably, thread grooves are milled in the outer side face of the movable plate and the middle of the left side wall of the waterproof box, and the surface of the movable plate is tightly connected with the middle of the left side wall of the waterproof box through the thread grooves.

Preferably, the surface of the sealing ring is in interference fit with the inside of the sealing groove.

Preferably, the sealing mechanism includes a cavity, the cavity is formed in the middle of the movable plate, a rubber ball is fixedly arranged in the middle of the left side face of the sealing ring, an air vent is formed in the middle of the movable plate and in the middle of the rotating plate in a penetrating mode, the inside of the air vent is communicated with the rubber ball and the inside of the cavity, a piston is movably arranged in the cavity, a moving block is fixedly arranged on one side face, away from the air vent, of the piston, a moving hole is formed in the outer side face of the movable plate, one end, away from the piston, of the moving block extends to the inside of the moving hole, a moving groove is formed in one side face, close to the rotating plate, of the moving block, a telescopic spring is fixedly arranged.

Preferably, the number of the pistons is two, the two pistons are arranged in an axisymmetric manner about the horizontal central axis of the movable plate, and the outer side surfaces of the pistons are tightly attached to the inner wall of the cavity.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up waterproof box, baffler and water-swelling circle for waterproof box carries out waterproof protection to electric actuator body surface, baffler and water-swelling circle cooperation seal waterproof to the actuating lever surface, the effectual water that prevents flows to electric actuator body inside through the actuating lever surface, still through setting up fly leaf, rotor plate and sealing washer, make fly leaf and waterproof box threaded connection, utilize rotor plate and sealing washer to seal waterproof to the fly leaf surface gap outside, thereby make electric actuator body's water-proof effects better, life is longer;

2. the utility model discloses a set up the rubber ball, the air vent, cavity and piston for inside the gas of pressing the rubber ball gets into the cavity through the air vent inside, cavity middle part atmospheric pressure reinforcing is convenient for promote the piston and removes, still through setting up the movable block, expanding spring and closing plate, make the piston promote the movable block and remove, utilize expanding spring to reset to stretch and promote the closing plate and remove, thereby make the closing plate carry out secondary seal waterproof to fly leaf and waterproof case junction gap from inside, be favorable to that waterproof case water-proof effects is better, it is safer to use.

Drawings

Fig. 1 is an elevation view of the overall structure of a novel underwater electric actuator of the present invention;

FIG. 2 is a front sectional view of the overall structure of the novel underwater electric actuator of the present invention;

fig. 3 is the utility model relates to a novel a structure enlargements in electric actuator figure 2 under water.

In the figure: 1. a waterproof box; 2. placing the blocks; 3. an electric actuator body; 4. a drive rod; 5. a barrier plate; 6. a water-swellable ring; 7. a movable plate; 8. a rotating plate; 9. a seal ring; 10. a sealing groove; 11. A cavity; 12. a rubber ball; 13. a vent hole; 14. a piston; 15. a moving block; 16. moving the hole; 17. A movable groove; 18. a tension spring; 19. and (7) sealing the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a novel underwater electric actuator, including waterproof box 1, waterproof box 1 inside lower fixed surface is connected with places piece 2, the last fixed surface who places piece 2 has electric actuator body 3, electric actuator body 3's right side fixedly connected with actuating lever 4, actuating lever 4's right-hand member runs through and extends to waterproof box 1's outside, actuating lever 4's surface is provided with waterproofing mechanism, the middle part movable mounting of waterproof box 1 left surface has fly leaf 7, the surface of fly leaf 7 is provided with complementary unit, the inside of fly leaf 7 is provided with sealing mechanism, complementary unit includes

rotor plate

8, 8 fixed connection of rotor plate are at the left surface of

fly leaf

7, 8 right flank fixedly connected with sealing washer 9 of rotor plate, seal groove 10 has been seted up to waterproof box 1's left surface, sealing washer 9 and seal groove 10 swing joint.

Waterproofing mechanism includes baffler 5, and baffler 5 fixed mounting is at the right-hand member of 1 inside of waterproof box, and baffler 5's middle part and the surperficial swing joint of actuating lever 4, and baffler 5's right flank and the equal fixedly connected with of the right flank of 1 inside of waterproof box meet water inflation circle 6, meet the water inflation circle 6 activity and cup joint on the surface of actuating lever 4.

Thread grooves are milled in the outer side face of the movable plate 7 and the middle of the left side wall of the waterproof box 1, and the surface of the movable plate 7 is tightly connected with the middle of the left side wall of the waterproof box 1 through the thread grooves.

The surface of the sealing ring 9 is in interference fit with the inside of the sealing groove 10.

Sealing mechanism includes cavity 11, cavity 11 is seted up at the middle part of fly leaf 7, the middle part fixedly connected with rubber ball 12 of sealing washer 9 left surface, the middle part of fly leaf 7 runs through with the middle part of rotor plate 8 and is equipped with air vent 13, the inside of air vent 13 all communicates with the inside of rubber ball 12 and cavity 11, the inside swing joint of cavity 11 has piston 14, a side fixedly connected with movable block 15 of air vent 13 is kept away from to piston 14, removal hole 16 has been seted up to the lateral surface of fly leaf 7, the one end that piston 14 was kept away from to movable block 15 extends to the inside of removal hole 16, movable groove 17 has been seted up to a side that movable block 15 is close to rotor plate 8, the inside right flank fixedly connected with expanding spring 18 in movable groove 17, the left end fixedly.

The number of the pistons 14 is two, the two pistons 14 are arranged in axial symmetry about the horizontal central axis of the movable plate 7, and the outer side surfaces of the pistons 14 are tightly attached to the inner wall of the cavity 11.

The working principle is as follows: when the utility model is used, the electric actuator body 3 is put into the waterproof box 1 through the left end, the driving rod 4 is penetrated to the right side of the waterproof box 1, wherein the surface of the driving rod 4 is sealed by the water swelling ring 6, when water flows into the waterproof box 1 through the gap on the surface of the driving rod 4, the water swelling ring 6 swells in water to block the gap, the baffle plate 5 performs secondary separation protection, the waterproof effect is better, the movable plate 7 is inserted into the left side wall of the waterproof box 1 through screw threads, the movable plate 7 drives the sealing ring 9 to closely adhere to the inside of the sealing groove 10 through the rotating plate 8, sealing and waterproofing are performed, the rubber ball 12 is pressed, the air inside the rubber ball 12 enters the cavity 11 through the vent hole 13, the pressure inside the cavity 11 is increased to push the piston 14 to move, the piston 14 drives the moving block 15 to move to the outside of the moving hole 16, when the sealing, the expansion spring 18 is reset and stretched to drive the sealing plate 19 to move, so that the sealing plate 19 seals and blocks a gap at the joint of the movable plate 7 and the waterproof box 1, the rubber ball 12 is released after the waterproof box 1 is placed into water, and the surface of the rubber ball 12 is extruded by water pressure, so that the original shape of the rubber ball is not recovered.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel electric actuator under water, includes waterproof case (1), its characterized in that: the waterproof box is characterized in that a placing block (2) is fixedly arranged on the lower surface inside the waterproof box (1), an electric actuator body (3) is movably arranged on the upper surface of the placing block (2), a driving rod (4) is fixedly arranged on the right side of the electric actuator body (3), the right end of the driving rod (4) penetrates through and extends to the outside of the waterproof box (1), a waterproof mechanism is arranged on the surface of the driving rod (4), a movable plate (7) is movably arranged in the middle of the left side surface of the waterproof box (1), an auxiliary mechanism is arranged on the surface of the movable plate (7), a sealing mechanism is arranged inside the movable plate (7), the auxiliary mechanism comprises a rotating plate (8), the rotating plate (8) is fixedly arranged on the left side surface of the movable plate (7), a sealing ring (9) is fixedly arranged on the right side surface of the rotating plate (8), a sealing groove (10) is formed in the left, the sealing ring (9) is movably connected with the sealing groove (10).

2. The novel underwater electric actuator as claimed in claim 1, wherein: waterproof mechanism includes baffler (5), baffler (5) are fixed and are set up the right-hand member in waterproof box (1) inside, the middle part of baffler (5) and the surperficial swing joint of actuating lever (4), the right flank of baffler (5) all is fixed with water-swelling circle (6) with the inside right flank of waterproof box (1), water-swelling circle (6) activity sets up the surface at actuating lever (4).

3. The novel underwater electric actuator as claimed in claim 1, wherein: thread grooves are punched and milled in the outer side face of the movable plate (7) and the middle of the left side wall of the waterproof box (1), and the surface of the movable plate (7) is tightly connected with the middle of the left side wall of the waterproof box (1) through the thread grooves.

4. The novel underwater electric actuator as claimed in claim 1, wherein: the surface of the sealing ring (9) is in interference fit with the inside of the sealing groove (10).

5. The novel underwater electric actuator as claimed in claim 1, wherein: the sealing mechanism comprises a cavity (11), the cavity (11) is formed in the middle of a movable plate (7), a rubber ball (12) is fixedly arranged in the middle of the left side face of a sealing ring (9), a vent hole (13) penetrates through the middle of the movable plate (7) and the middle of a rotating plate (8), the inside of the vent hole (13) is communicated with the rubber ball (12) and the inside of the cavity (11), a piston (14) is movably arranged in the cavity (11), a movable block (15) is fixedly arranged on one side face, far away from the vent hole (13), of the piston (14), a movable hole (16) is formed in the outer side face of the movable plate (7), one end, far away from the piston (14), of the movable block (15) extends into the movable hole (16), and a movable groove (17) is formed in one side face, close to the rotating plate (8), of the movable, the right side surface in the movable groove (17) is fixedly provided with a telescopic spring (18), and the left end of the telescopic spring (18) is fixedly provided with a sealing plate (19).

6. The novel underwater electric actuator as claimed in claim 5, wherein: the number of the pistons (14) is two, the two pistons (14) are arranged in an axisymmetric mode relative to the horizontal central axis of the movable plate (7), and the outer side face of each piston (14) is tightly attached to the inner wall of the cavity (11).