CN209743717U

CN209743717U - Electric actuator

Info

Publication number: CN209743717U
Application number: CN201920096965.3U
Authority: CN
Inventors: 洪小辉
Original assignee: Suzhou Borui Automatic Control Valve Co Ltd
Current assignee: Suzhou Borui Automatic Control Valve Co Ltd
Priority date: 2019-01-22
Filing date: 2019-01-22
Publication date: 2019-12-06
Anticipated expiration: 2029-01-22

Abstract

the utility model discloses an electric actuator in the technical field of valves, which comprises a cylinder body, wherein an inner cavity of the cylinder body is movably provided with a regulating valve, the left outer wall of the cylinder body is connected with an electric actuating mechanism, the right outer wall of the cylinder body is connected with a manual actuating mechanism, the electric actuating mechanism comprises an outer protective shell, a servo motor is arranged in the inner cavity of the outer protective shell, the output end of the servo motor is connected with a rotating shaft, the outer walls of the upper side and the lower side of the outer protective shell are respectively provided with a fixed bracket, a buffer device is arranged between the cylinder body and the outer protective shell, the right outer wall of the cylinder body is connected with a valve rod, so that the electric actuating mechanism can not drive the manual actuating mechanism to rotate when in operation, the manual actuating mechanism can not loosen and fall off when in use, the vibration force generated when the electric actuating mechanism operates can be relieved, the service life of the valve is further prolonged.

Description

electric actuator

Technical Field

The utility model relates to the technical field of valves, specifically an electric actuator.

Background

The existing valve actuating element generally comprises an electric actuating mechanism, a pneumatic actuating mechanism, a hydraulic actuating mechanism and a manual actuating mechanism according to different power sources. The existing valve uses an electric actuating mechanism and is generally provided with a manual actuating mechanism, so that when the electric actuating mechanism is damaged, the valve can be adjusted through the manual actuating mechanism, the existing electric actuating mechanism and the manual actuating mechanism are generally connected with each other in the operation process, the electric actuating mechanism can drive the manual actuating mechanism to operate simultaneously when in operation, and after the electric actuating mechanism works for a long time, the manual actuating mechanism can be loosened, so that the manual actuating mechanism fails, meanwhile, the electric actuating element can generate larger vibration force when in operation, and the existing valve cannot well relieve the vibration force, so that the electric actuating mechanism is damaged. To this end, we propose an electric actuator.

Disclosure of Invention

An object of the utility model is to provide an electric actuator 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: an electric actuator comprises a cylinder body, wherein an adjusting valve is movably arranged in the inner cavity of the cylinder body, an electric actuating mechanism is connected to the outer wall of the left side of the cylinder body, a manual actuating mechanism is connected to the outer wall of the right side of the cylinder body, the electric actuating mechanism comprises an outer protecting shell, a servo motor is arranged in the inner cavity of the outer protecting shell, the output end of the servo motor is connected with a rotating shaft, the other end of the rotating shaft extends to the inner cavity of the cylinder body and is connected with the adjusting valve, fixing supports are arranged on the outer walls of the upper side and the lower side of the outer protecting shell, the other end of each fixing support is connected to the outer wall of the cylinder body, a buffer device is arranged between the cylinder body and the outer protecting shell, a valve rod is connected to the outer wall of the right side of the cylinder body, the other end of, the right side outer wall of the manual actuating mechanism is movably connected with the pressing rod, the right side outer wall of the valve rod is provided with a counter bore, and the left side inner wall of the counter bore is uniformly provided with four groups of limiting clamping grooves.

Further, manual actuator includes the cavity body of swing joint valve rod, the inner chamber of cavity body sets up the movable rod, the outer wall of cavity body sets up the handle, the left side outer wall of movable rod evenly sets up four inner groovies, the inner wall of inner groovy sets up expanding spring, the spacing fixture block that matches with spacing draw-in groove is connected to expanding spring's the other end.

Further, both sides all set up the slider about the outer wall of movable rod, and the inner wall of cavity body sets up the spout that matches with the slider, and the left side outer wall of two sets of sliders all sets up reset spring, the outer wall of valve rod is connected to reset spring's the other end.

Furthermore, buffer including setting up the outer collar of fixed connection on cylinder body outer wall and outer jacket outer wall, the upper and lower both sides outer wall of outer collar all sets up the spacing groove, the bottom of spacing groove sets up spacing spout, the inner chamber of spacing groove and spacing spout all sets up the slide bar, the top of slide bar sets up the baffle that matches with the spacing groove, and is two sets of buffer spring is all connected to the relative terminal surface of slide bar.

further, the right side outer wall of depression bar sets up the clamp plate, and the left side outer wall of clamp plate sets up the fixture block, and the outer wall of handle sets up the draw-in groove that matches with the fixture block, the right side outer wall of movable rod sets up the spacing hole that matches with the depression bar.

Furthermore, the handle comprises a disc arranged in the middle, a hollow groove is formed in the center of the disc, holding rods are arranged on the outer walls of four sides of the disc, and anti-skidding protective sleeves are arranged on the outer walls of the holding rods.

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

1. The utility model is provided with the electric actuating mechanism on the left side of the cylinder body, the manual actuating mechanism on the right side of the cylinder body, the movable rod in the manual actuating mechanism can be movably clamped in the valve rod through the limiting fixture block, so that the electric actuating mechanism can not drive the manual actuating mechanism to rotate when in operation, thereby ensuring that the manual actuating mechanism can not loose and fall off when in use;

2. The utility model discloses set up buffer, the slide bar among the buffer receives the vibrations power and slides in the outer lantern ring, through buffer spring concertina movement to the vibrations power of poor student is alleviated when moving electric actuator, thereby guarantees electric actuator valve holistic stability when the operation, has further prolonged the life of valve.

drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the buffering device of the present invention;

FIG. 3 is a schematic view of the assembly structure of the valve rod and the manual actuator according to the present invention;

Fig. 4 is a schematic structural view of the manual actuator of the present invention.

In the figure: 1. a cylinder body; 2. an electric actuator; 21. an outer protective shell; 22. a servo motor; 23. a rotating shaft; 3. fixing a bracket; 4. a manual actuator; 41. a hollow tube body; 42. a movable rod; 43. a handle; 44. a return spring; 45. an inner groove; 46. a tension spring; 47. a limiting clamping block; 5. a pressure lever; 6. a buffer device; 61. an outer collar; 62. a limiting groove; 63. a limiting chute; 64. a baffle plate; 65. a slide bar; 66. a buffer spring; 7. a valve stem; 8. a counter bore; 9. limiting clamping grooves.

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. 1-4, the present invention provides a technical solution: an electric actuator comprises a cylinder body 1, an inner cavity of the cylinder body 1 is movably provided with a regulating valve, the left outer wall of the cylinder body 1 is connected with an electric actuating mechanism 2, the right outer wall of the cylinder body 1 is connected with a manual actuating mechanism 4, the electric actuating mechanism 2 comprises an outer protecting shell 21, the inner cavity of the outer protecting shell 21 is provided with a servo motor 22, the servo motor 22 is connected with a power supply through a control switch for working, the output end of the servo motor 22 is connected with a rotating shaft 23, the other end of the rotating shaft 23 extends to the inner cavity of the cylinder body 1 and is connected with the regulating valve, the upper outer wall and the lower outer wall of the outer protecting shell 21 are both provided with a fixed support 3, the other end of the fixed support 3 is connected with the outer wall of the cylinder body 1, an interlayer between the cylinder body 1 and the outer protecting shell 21 is provided with a buffer device 6, the right outer wall, and the junction of valve rod 7 and manual actuator 4 sets up the bearing, and manual actuator 4's right side outer wall swing joint depression bar 5, and the right side outer wall of valve rod 7 sets up counter bore 8, and the left side inner wall of counter bore 8 evenly sets up four group's spacing draw-in grooves 9, and the outer wall of valve rod 7 sets up the kicking block that matches with spacing draw-in groove 9, can be with spacing draw-in groove 9 of spacing fixture block 47 ejecting through the kicking block.

As shown in fig. 3 and 4, the manual actuator 4 includes a hollow tube 41 movably connected to the valve rod 7, a movable rod 42 is disposed in an inner cavity of the hollow tube 41, a handle 43 is disposed on an outer wall of the hollow tube 41, four groups of inner grooves 45 are uniformly disposed on an outer wall of a left side of the movable rod 42, an extension spring 46 is disposed on an inner wall of the inner groove 45, and another end of the extension spring 46 is connected to a limit fixture block 47 matched with the limit fixture groove 9, so that the manual actuator 4 can be conveniently disassembled and assembled on the valve rod 7 by the movement of the movable rod 42 in the manual actuator 4 in the hollow tube 41, thereby facilitating manual operation, and simultaneously, the electric actuator 2 can be ensured not to drive the manual actuator 4 to rotate simultaneously during operation, thereby ensuring the service life of the valve;

As shown in fig. 3, the upper and lower sides of the outer wall of the movable rod 42 are both provided with a slider, the inner wall of the hollow tube 41 is provided with a sliding slot matched with the slider, the outer walls of the left sides of the two sets of sliders are both provided with a return spring 44, the other end of the return spring 44 is connected with the outer wall of the valve rod 7, the movable rod 42 can slide in the hollow tube 41 by the sliding of the sliders in the sliding slot, and the movable rod 42 can automatically reset when not stressed by the return spring 44;

As shown in fig. 2, the buffering device 6 includes an outer collar 61 fixedly connected to the outer wall of the cylinder body 1 and the outer wall of the outer casing 21, the outer walls of the upper and lower sides of the outer collar 61 are respectively provided with a limiting groove 62, the bottom of the limiting groove 62 is provided with a limiting sliding groove 63, the inner cavities of the limiting groove 62 and the limiting sliding groove 63 are respectively provided with a sliding rod 65, the top of the sliding rod 65 is provided with a baffle 64 matched with the limiting groove 62, the opposite end surfaces of the two groups of sliding rods 65 are respectively connected with a buffering spring 66, in the process of the operation of the electric actuator 2, the vibration force generated in the operation of the electric actuator 2 can be relieved through the buffering device 6, and the structures of the;

As shown in fig. 3, a pressing plate is arranged on the outer wall of the right side of the pressing rod 5, a clamping block is arranged on the outer wall of the left side of the pressing plate, a clamping groove matched with the clamping block is formed in the outer wall of the handle 43, a limiting hole matched with the pressing rod 5 is formed in the outer wall of the right side of the movable rod 42, the pressing rod 5 is conveniently fixed on the outer wall of the handle 43 through the pressing plate by clamping the clamping block in the clamping groove, and meanwhile, the limiting hole is formed to facilitate the movable butt joint of;

As shown in FIG. 3, the handle 43 comprises a disc arranged in the middle, a hollow groove is formed in the center of the disc, the outer walls of the four sides of the disc are provided with holding rods, the outer wall of each holding rod is provided with an anti-slip protective sleeve, the movement of the pressure rod 5 is guaranteed through the disc on the handle 43, and meanwhile, the comfort degree of the handle 43 during use can be increased through the anti-slip protective sleeves.

example (b): when the valve is operated by using the electric actuator 2, the movable rod 42 in the manual actuator 4 is ejected out of the limit slot 9 on the valve rod 7, the movable rod 42 is automatically reset by the reset spring 44, the servo motor 22 in the electric actuator 2 drives the regulating valve in the cylinder body 1 to operate and regulate the opening and closing of the valve by the rotating shaft, when the valve is regulated by using the manual actuator 4, the movable rod 42 is firstly ejected into the inner cavity of the hollow pipe body 41 by the pressure lever 5, so that the limit slot 47 on the movable rod 42 is clamped in the limit slot 9 by the expansion spring 46, then the pressure lever 5 is clamped on the handle 43, the handle 43 is rotated to drive the valve rod 7 to rotate, thereby regulating the valve, the vibration force generated by the vibration force generated when the electric actuator 2 operates is transmitted to the outer collar 61 in the buffer device 6, the slide rod 65 is pushed to move in the limit slot 63 by the baffle plate 64 under the force, the shock force is relieved by the buffer spring 66 during the movement.

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 an electric actuator, includes cylinder body (1), the inner chamber activity of cylinder body (1) sets up the governing valve, the left side outer wall connection electric actuator (2) of cylinder body (1), the right side outer wall connection manual actuator (4) of cylinder body (1), its characterized in that: the electric actuator (2) comprises an outer protective shell (21), a servo motor (22) is arranged in an inner cavity of the outer protective shell (21), the output end of the servo motor (22) is connected with a rotating shaft (23), the other end of the rotating shaft (23) extends to an inner cavity of a cylinder body (1) and is connected with a regulating valve, the outer walls of the upper side and the lower side of the outer protective shell (21) are respectively provided with a fixed support (3), the other end of the fixed support (3) is connected with the outer wall of the cylinder body (1), a buffer device (6) is arranged between the cylinder body (1) and the outer protective shell (21), the outer wall of the right side of the cylinder body (1) is connected with a valve rod (7), the other end of the valve rod (7) extends to the inner cavity of the cylinder body (1) and is connected with the regulating valve, the outer wall of the right side of the valve rod (7) is movably, the right side outer wall swing joint depression bar (5) of manual actuating mechanism (4), the right side outer wall of valve rod (7) sets up counter bore (8), the left side inner wall of counter bore (8) evenly sets up four group's spacing draw-in grooves (9).

2. An electric actuator as claimed in claim 1, wherein: manual actuator (4) are including cavity body (41) of swing joint valve rod (7), the inner chamber of cavity body (41) sets up movable rod (42), the outer wall of cavity body (41) sets up handle (43), the left side outer wall of movable rod (42) evenly sets up four groups inner groovy (45), the inner wall of inner groovy (45) sets up expanding spring (46), spacing fixture block (47) that match with spacing draw-in groove (9) are connected to the other end of expanding spring (46).

3. an electric actuator as claimed in claim 2, wherein: the upper and lower both sides of the outer wall of movable rod (42) all set up the slider, and the inner wall setting of cavity body (41) matches with the slider spout, and the left side outer wall of two sets of sliders all sets up reset spring (44), the outer wall of valve rod (7) is connected to the other end of reset spring (44).

4. an electric actuator as claimed in claim 1, wherein: buffer (6) including setting up outer thimble (61) of fixed connection on cylinder body (1) outer wall and outer jacket (21) outer wall, the upper and lower both sides outer wall of outer thimble (61) all sets up spacing groove (62), the bottom of spacing groove (62) sets up spacing spout (63), spacing groove (62) all set up slide bar (65) with the inner chamber of spacing spout (63), the top of slide bar (65) sets up baffle (64) that matches with spacing groove (62), and is two sets of buffer spring (66) is all connected to the relative terminal surface of slide bar (65).

5. an electric actuator as claimed in claim 2, wherein: the right side outer wall of depression bar (5) sets up the clamp plate, and the left side outer wall of clamp plate sets up the fixture block, and the outer wall of handle (43) sets up the draw-in groove that matches with the fixture block, the right side outer wall of movable rod (42) sets up the spacing hole that matches with depression bar (5).

6. An electric actuator as claimed in claim 2, wherein: the handle (43) comprises a disc arranged in the middle, a hollow groove is formed in the center of the disc, holding rods are arranged on the outer walls of the four sides of the disc, and anti-skidding protective sleeves are arranged on the outer walls of the holding rods.