CN219177039U

CN219177039U - Multi-rotation electric actuating mechanism

Info

Publication number: CN219177039U
Application number: CN202320093759.3U
Authority: CN
Inventors: 王淑凤; 方春庆; 徐家燕; 郑浩; 刘文华
Original assignee: Tianjin Baoheng Fluid Control Equipment Co ltd
Current assignee: Tianjin Baoheng Fluid Control Equipment Co ltd
Priority date: 2023-01-31
Filing date: 2023-01-31
Publication date: 2023-06-13
Anticipated expiration: 2033-01-31

Abstract

The utility model discloses a multi-rotation electric actuating mechanism which comprises a bottom shell, wherein a connecting inner shell is arranged in the bottom shell, a top shell is nested and arranged outside the connecting inner shell, a fixing bolt is arranged at the tail end of the top shell, and a sealing rubber strip is arranged at the joint of the connecting inner shell and the top shell; when the internal element of the actuating mechanism needs to be overhauled, a worker firstly removes the fixing bolt to enable the top shell to be unfixed with the connecting inner shell, then pulls the handle to enable the top shell to move at the top of the bottom shell under the sliding fit of the connecting strip and the connecting groove, and opens the top of the bottom shell by removing the top shell to expose the element of the actuating mechanism arranged in the connecting inner shell, and then the worker can overhauls the internal element of the actuating mechanism, so that the technical effect that the internal element can be overhauled without disassembling the whole actuating mechanism is achieved.

Description

Multi-rotation electric actuating mechanism

Technical Field

The utility model relates to the field of multi-rotation electric actuators, in particular to a multi-rotation electric actuator.

Background

The multi-rotation electric actuator is applied to valves for 90-degree rotation such as butterfly valves, ball valves, plug valves, throttle baffles and the like. The valve is mainly used for controlling the opening, closing or adjusting of the valve, can be controlled remotely and can also be operated on site. It is widely used in electric power, metallurgy, petroleum, chemical industry, food, textile, paper making, pharmacy, water plant, sewage treatment and other departments.

The main structure of the multi-rotation electric actuator is provided with an actuating mechanism for controlling a valve, the actuating mechanism is usually connected and fixed with the valve, and the traditional actuating mechanism shell is mostly integrated, so that when the inside of the actuating mechanism breaks down and needs to be maintained, or the internal elements of the actuating mechanism need to be overhauled, the actuating mechanism and the valve structure can be detached, or the shell of the whole actuating mechanism is detached, and the multi-rotation electric actuator is provided for improving the problem.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides the multi-rotation electric actuating mechanism, which has the technical effect that the internal elements can be overhauled without detaching the whole actuating mechanism.

In order to solve the technical problems, the utility model provides the following technical scheme: the multi-rotation electric actuating mechanism comprises a bottom shell, wherein a connecting inner shell is arranged in the bottom shell, a top shell is nested and arranged outside the connecting inner shell, a fixing bolt is arranged at the tail end of the top shell, and a sealing rubber strip is arranged at the joint of the connecting inner shell and the top shell; the connecting inner shell comprises a connecting groove, a sealing groove arranged at the top of the connecting groove, a connecting inner wall arranged at the top of the sealing groove, a sealing ring fixed at one end of the connecting inner wall and a flange base arranged at the other end of the connecting inner wall; the top shell comprises a shell body, a connecting strip arranged at the bottom of the shell body, a sealing baffle fixed at one end of the inner side of the shell body, a connecting flange arranged at the other end of the shell body and a handle arranged at the top of the shell body.

As a preferable technical scheme of the utility model, the top of the bottom shell is provided with a semicircular opening, the connecting inner shell is positioned in the opening at the top of the bottom shell, and the top shell is wrapped on the outer side of the connecting inner shell.

As a preferable technical scheme of the utility model, the connecting grooves are symmetrically arranged on two sides of the connecting inner shell, the connecting strips correspond to the positions of the connecting grooves, and the connecting strips are clamped with the connecting grooves.

As a preferable technical scheme of the utility model, the inner side of the sealing rubber strip is embedded and fixed in the sealing groove, the outer side surface of the sealing rubber strip is arc-shaped, and the outer wall of the sealing rubber strip is clung to the inner wall of the shell.

As a preferable technical scheme of the utility model, the sealing ring is positioned at the top part of the connecting inner shell, the top part of the sealing ring is provided with a convex structure, and the outer wall of the top part of the sealing ring is clung to the inner wall of the shell.

As a preferable technical scheme of the utility model, the inner wall of the sealing baffle is clung to the top surface of the tail end of the connecting inner shell, and the side wall inside the sealing baffle is clung to the side wall at the bulge of the sealing ring.

As a preferable technical scheme of the utility model, the flange base and the connecting flange are provided with corresponding threaded holes, the fixing bolts penetrate through the connecting flange and are fixed with the flange base in a threaded manner, and the handle is fixed at one end of the top of the shell far away from the connecting flange.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, when the internal element of the executing mechanism is required to be overhauled, a worker firstly removes the fixing bolt to enable the top shell to be unfixed with the connecting inner shell, then pulls the handle to enable the top shell to move at the top of the bottom shell under the sliding fit of the connecting strip and the connecting groove, and removes the top shell to enable the top of the bottom shell to be opened to expose the element of the executing mechanism arranged in the connecting inner shell, and then the worker can overhauls the internal element of the executing mechanism, so that the technical effect that the internal element can be overhauled without disassembling the whole executing mechanism is achieved;

2. the inner side of the sealing rubber strip is embedded and fixed in the sealing groove, the outer side surface of the sealing rubber strip is arc-shaped, the outer wall of the sealing rubber strip is tightly attached to the inner wall of the shell, the outer surface of the sealing rubber strip is extruded by the inner wall of the shell to deform, the joint of the shell and the edge of the connecting inner shell is kept sealed through the sealing rubber strip, the inner wall of the sealing baffle is tightly attached to the top surface of the tail end of the connecting inner shell, the inner wall of the sealing baffle is tightly attached to the side wall of the protruding part of the sealing ring, and the inner wall of the shell is tightly connected with the sealing baffle through the sealing ring, so that the sealing effect of the whole shell of the actuating mechanism is kept.

Drawings

FIG. 1 is a schematic diagram of the complete structure of the present utility model;

FIG. 2 is a partial exploded view of the present utility model;

FIG. 3 is a partial side cross-sectional view of the present utility model;

fig. 4 is a partial front cross-sectional view of the present utility model.

Wherein: 1. a bottom case; 2. connecting the inner shell; 3. a top shell; 4. a fixing bolt; 5. sealing the rubber strip; 21. a connecting groove; 22. sealing grooves; 23. connecting the inner wall; 24. a seal ring; 25. a flange base; 31. a housing; 32. a connecting strip; 33. a sealing baffle; 34. a connecting flange; 35. a handle.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

Examples:

as shown in fig. 1-4, a multi-rotation electric actuator comprises a bottom shell 1, wherein a connecting inner shell 2 is arranged in the bottom shell 1, a top shell 3 is nested outside the connecting inner shell 2, a fixing bolt 4 is arranged at the tail end of the top shell 3, and a sealing rubber strip 5 is arranged at the joint of the connecting inner shell 2 and the top shell 3; the connecting inner shell 2 comprises a connecting groove 21, a sealing groove 22 arranged at the top of the connecting groove 21, a connecting inner wall 23 arranged at the top of the sealing groove 22, a sealing ring 24 fixed at one end of the connecting inner wall 23, and a flange base 25 arranged at the other end of the connecting inner wall 23; the top case 3 includes a case 31, a connection bar 32 provided at the bottom of the case 31, a sealing baffle 33 fixed at one end inside the case 31, a connection flange 34 provided at the other end of the case 31, and a handle 35 mounted at the top of the case 31; when the electric actuator needs to be overhauled, a worker firstly removes the fixing bolt 4 to enable the top shell 3 to be unfixed with the connecting inner shell 2, then pulls the handle 35 to enable the top shell 3 to move at the top of the bottom shell 1 under the sliding fit of the connecting strip 32 and the connecting groove 21, and removes the top shell 3 to enable the top of the bottom shell 1 to be opened to expose the element of the actuator arranged inside the connecting inner shell 2, and then the worker can overhauls the inner element of the actuator.

In other embodiments, the top of the bottom shell 1 is provided with a semicircular opening, the connecting inner shell 2 is located inside the opening at the top of the bottom shell 1, the top shell 3 is wrapped on the outer side of the connecting inner shell 2, the top shell 3 and the connecting inner shell 2 are matched and fixed, and the bottom shell 1, the connecting inner shell 2 and the top shell 3 jointly form an outer shell structure of the actuating mechanism.

In other embodiments, the connecting grooves 21 are symmetrically formed on two sides of the connecting inner housing 2, the connecting strips 32 correspond to the positions of the connecting grooves 21, and the connecting strips 32 are clamped with the connecting grooves 21, and the connecting strips 32 can slide in the connecting grooves 21, so that the top housing 3 can translate along the connecting grooves 21 at the top of the connecting inner housing 2.

In other embodiments, the inner side of the sealing rubber strip 5 is embedded and fixed in the sealing groove 22, the outer side surface of the sealing rubber strip 5 is arc-shaped, the outer wall of the sealing rubber strip 5 is clung to the inner wall of the shell 31, the outer surface of the sealing rubber strip 5 is extruded by the inner wall of the shell 31 to deform, and the joint of the shell 31 and the edge connected with the inner shell 2 is kept sealed through the sealing rubber strip 5.

In other embodiments, the sealing ring 24 is located at the top of the connection inner shell 2, the top of the sealing ring 24 is provided with a protruding structure, and the outer wall of the top of the sealing ring 24 is tightly attached to the inner wall of the shell 31, and the inner wall of the shell 31 is limited by the sealing ring 24 to prevent the shifting when the shell 31 is moved.

In other embodiments, the inner wall of the sealing baffle 33 is closely attached to the top surface of the end of the connection inner casing 2, and the side wall of the inside of the sealing baffle 33 is closely attached to the side wall of the protrusion of the sealing ring 24, so that the inner wall of the casing 31 is kept sealed to the top of the connection inner casing 2 by the tight connection of the sealing ring 24 and the sealing baffle 33.

In other embodiments, the flange base 25 and the connecting flange 34 are provided with corresponding threaded holes, the fixing bolts 4 penetrate through the connecting flange 34 and are fixed with the flange base 25 in a threaded manner, and the handle 35 is fixed at one end of the top of the shell 31 far away from the connecting flange 34, the connecting flange 34 and the flange base 25 are connected and fixed through the fixing bolts 4, and the top shell 3 can be moved more conveniently through the handle 35.

The working principle of the utility model is as follows: when the connecting device is used, the fixing bolt 4 is removed firstly to enable the top shell 3 to be unfixed with the connecting inner shell 2, then the handle 35 is pulled to enable the top shell 3 to move at the top of the bottom shell 1 under the sliding fit of the connecting strip 32 and the connecting groove 21, the top of the bottom shell 1 is opened by removing the top shell 3, elements of an actuating mechanism arranged inside the connecting inner shell 2 are exposed, and then a worker can overhaul the internal elements of the actuating mechanism.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a many gyrations electric actuator, includes drain pan (1), its characterized in that: the inner shell is characterized in that a connecting inner shell (2) is arranged inside the bottom shell (1), a top shell (3) is nested and arranged outside the connecting inner shell (2), a fixing bolt (4) is arranged at the tail end of the top shell (3), and a sealing rubber strip (5) is arranged at the joint of the connecting inner shell (2) and the top shell (3); the connecting inner shell (2) comprises a connecting groove (21), a sealing groove (22) arranged at the top of the connecting groove (21), a connecting inner wall (23) arranged at the top of the sealing groove (22), a sealing ring (24) fixed at one end of the connecting inner wall (23), and a flange base (25) arranged at the other end of the connecting inner wall (23); the top shell (3) comprises a shell (31), a connecting strip (32) arranged at the bottom of the shell (31), a sealing baffle (33) fixed at one end of the inner side of the shell (31), a connecting flange (34) arranged at the other end of the shell (31) and a handle (35) arranged at the top of the shell (31).

2. A multi-turn electric actuator as defined in claim 1 wherein: semicircular openings are formed in the top of the bottom shell (1), the connecting inner shell (2) is located inside the openings in the top of the bottom shell (1), and the top shell (3) wraps the outer side of the connecting inner shell (2).

3. A multi-turn electric actuator as defined in claim 1 wherein: the connecting grooves (21) are symmetrically formed in two sides of the connecting inner shell (2), the connecting strips (32) correspond to the connecting grooves (21), and the connecting strips (32) are clamped with the connecting grooves (21).

4. A multi-turn electric actuator as defined in claim 1 wherein: the inner side of the sealing rubber strip (5) is embedded and fixed in the sealing groove (22), the outer side surface of the sealing rubber strip (5) is arc-shaped, and the outer wall of the sealing rubber strip (5) is tightly attached to the inner wall of the shell (31).

5. A multi-turn electric actuator as defined in claim 1 wherein: the sealing ring (24) is positioned at the top of the connecting inner shell (2), the top of the sealing ring (24) is of a protruding structure, and the outer wall of the top of the sealing ring (24) is clung to the inner wall of the shell (31).

6. A multi-turn electric actuator as defined in claim 1 wherein: the inner wall of the sealing baffle plate (33) is tightly attached to the top surface of the tail end of the connecting inner shell (2), and the side wall inside the sealing baffle plate (33) is tightly attached to the side wall of the bulge of the sealing ring (24).

7. A multi-turn electric actuator as defined in claim 1 wherein: the flange base (25) and the connecting flange (34) are provided with corresponding threaded holes, the fixing bolts (4) penetrate through the connecting flange (34) and are fixed with the flange base (25) in a threaded mode, and the handle (35) is fixed at one end, far away from the connecting flange (34), of the top of the shell (31).