CN219062610U

CN219062610U - Valve actuator hand wheel mechanism

Info

Publication number: CN219062610U
Application number: CN202221725638.8U
Authority: CN
Inventors: 乐蝶玲
Original assignee: Tianjin Baird Valve Co ltd
Current assignee: Tianjin Baird Valve Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2023-05-23
Anticipated expiration: 2032-07-05

Abstract

The utility model discloses a valve actuator hand wheel mechanism, which comprises a mounting shell, wherein sliding mechanisms are arranged at the inner end and the outer end of the upper end of the mounting shell, a stand column is arranged on the sliding mechanisms, a mounting plate is arranged in the mounting shell, a first gear set is arranged on the mounting plate, a U-shaped plate is arranged at the upper end of the first gear set and is clamped on the surface of the stand column, a second gear set is arranged on one side of the mounting shell, two rotating handles are arranged on the second gear set, a connecting shaft is arranged at the bottom of the mounting plate, the sliding mechanisms comprise threaded rods and sliding blocks, and the threaded rods are arranged between the inner walls of the two sides of the upper part of the mounting shell. When the valve actuator is used, the acting force of a worker when driving the valve actuator through the hand wheel can be effectively reduced, and the valve actuator has the advantage of convenience in operation.

Description

Valve actuator hand wheel mechanism

Technical Field

The utility model relates to the technical field of valve actuator handwheels, in particular to a valve actuator handwheel mechanism.

Background

The valve actuator is an essential component of an automatic control system, and the requirement for stability is self-evident, as hand wheel mechanisms on valve actuators are typically used in manual operation in the event of a power failure.

In the use process of the existing hand wheel mechanism, when the hand wheel mechanism is operated manually, the situation that the hand wheel torque force is large and cannot rotate exists.

Disclosure of Invention

The utility model aims to provide a valve actuator hand wheel mechanism to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a valve actuator hand wheel mechanism, includes the installation shell, the inside and outside both ends of installation shell upper end inside all are provided with slide mechanism, be provided with the stand on the slide mechanism, the inside of installation shell is provided with the mounting panel, be provided with first gear train on the mounting panel, the upper end on the first gear train is provided with the U-shaped board, the U-shaped board joint is in the surface of stand, one side of installation shell is provided with the second gear train, be provided with two rotation handles on the second gear train.

Preferably, a connecting shaft is arranged at the bottom of the mounting plate.

Preferably, the sliding mechanism comprises a threaded rod and a sliding block, the threaded rod is arranged between the inner walls of the two sides of the upper portion of the installation shell, the sliding block is arranged on the threaded rod in a threaded mode, and the directions of external threads arranged on the threaded rod are opposite.

Preferably, two guide rods are arranged between the inner walls of the two sides of the upper part of the installation shell, one side of the sliding block is provided with a guide block, and the corresponding guide rods are in sliding connection with the guide blocks.

Preferably, the first gear set includes two first pivots, a second pivot, two first gears and a second gear, two first pivots and a second pivot all set up on the mounting panel, two first gears set up corresponding the upper portion of first pivot, the U-shaped board sets up the upper end of first pivot, the second gear sets up the upper portion of second pivot, just the second gear with two first gears all mesh, the bottom of second pivot with the top of connecting axle is connected.

Preferably, the second gear set includes two third rotating shafts, a fourth rotating shaft, two third gears and a fourth gear, two third rotating shafts and a fourth rotating shaft are all arranged on one side of the installation shell, two third gears are arranged on the corresponding third rotating shafts, one fourth gear is arranged on the fourth rotating shaft, the fourth gear is meshed with two third gears, one end of each third rotating shaft is connected with one end of the corresponding threaded rod, and two rotating handles are arranged on one side of each fourth gear.

Compared with the prior art, the utility model has the beneficial effects that: the utility model is provided with the mounting shell, the first gear set, the second gear set, the sliding mechanism, the upright post and the U-shaped plate, so that the driving force of a worker when driving through two rotating handles is reduced, and the situation that the hand wheel torque is large and cannot rotate when the worker operates is avoided.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 2 is a schematic side cross-sectional view of the present utility model;

fig. 3 is a schematic top cross-sectional view of the present utility model.

In the figure: 1. mounting a shell; 2. a sliding mechanism; 21. a threaded rod; 22. a slide block; 3. a column; 4. a mounting plate; 5. a first gear set; 51. a first rotating shaft; 52. a second rotating shaft; 53. a first gear; 54. a second gear; 6. a U-shaped plate; 7. a second gear set; 71. a third rotating shaft; 72. a fourth rotating shaft; 73. a third gear; 74. a fourth gear; 8. a connecting shaft; 9. the handle is turned.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a valve actuator hand wheel mechanism, including installing shell 1, the inside and outside both ends inside the upper end of installing shell 1 are all installed slide mechanism 2, install stand 3 on slide mechanism 2, install mounting panel 4 in the internally mounted of installing shell 1, install first gear train 5 on mounting panel 4, U-shaped board 6 is installed to the upper end on first gear train 5, U-shaped board 6 joint is at the surface of stand 3, install second gear train 7 in one side of installing shell 1, install two rotation handles 9 on the second gear train 7;

the connecting shaft 8 is installed to the bottom of mounting panel 4, slide mechanism 2 includes threaded rod 21 and slider 22, threaded rod 21 installs between the upper portion both sides inner wall of installation shell 1, slider 22 screw thread installs on threaded rod 21, and install two guide bars between the upper portion both sides inner wall of installation shell 1 on the external screw thread opposite direction of installation on two threaded rods 21, the guide block is installed to one side of slider 22, sliding connection between corresponding guide bar and the guide block, first gear train 5 includes two first pivot 51, a second pivot 52, two first gears 53 and a second gear 54, two first pivot 51 and a second pivot 52 are all installed on mounting panel 4, two first gears 53 are installed on the upper portion of corresponding first pivot 51, U-shaped plate 6 is installed in the upper end of first pivot 51, the second gear 54 is installed in the upper portion of second pivot 52, and second gear 54 all meshes with two first gears 53, the bottom and the connecting shaft 8 of second pivot 52 are connected, second gear train 7 includes two first pivot 51, a second pivot 52, two first gears 71 and a second pivot 72 are installed on the corresponding first pivot 71 and the fourth pivot 74, two second pivot 71 are installed to the fourth pivot 71, two second pivot 71 and the fourth pivot 72 are all installed to the fourth pivot 71, two second pivot 71 are installed to the fourth pivot 74, two ends are all installed to the fourth pivot 71 are all on the fourth pivot 71, two sides of fourth pivot 71 are installed to the fourth pivot 71, the fourth pivot 71 is installed to the fourth pivot 71 is all right, the fourth pivot 71 is installed to the fourth pivot 71, and the fourth pivot 71 is all right.

Working principle: when in use, a worker only needs to rotate the fourth gear 74 through the two rotating handles 9, so that the two third gears 73 and the two third rotating shafts 71 drive the two threaded rods 21 to rotate, the two threaded rods 21 rotate to enable the two sliding blocks 22 to move relatively, the U-shaped plates 6 on the two sliding blocks 22 are driven to rotate, when the inner U-shaped plate 6 and the outer U-shaped plate 6 rotate, the two corresponding first rotating shafts 51 rotate oppositely, the same second gear 54 is driven to rotate through the respective first gears 53 synchronously, the second rotating shafts 52 are driven to rotate through the second gears 54, the second rotating shafts 52 drive the connecting shafts 8 to rotate, and the connecting shafts 8 are connected with transmission rotating shafts on the valve actuator, so that the valve actuator is driven to work. When the valve actuator is used, the acting force of a worker when driving the valve actuator through the hand wheel can be effectively reduced, and the valve actuator has the advantage of convenience in operation.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a valve actuator hand wheel mechanism, includes installation shell (1), its characterized in that: inside and outside both ends of installation shell (1) upper end all are provided with slide mechanism (2), be provided with stand (3) on slide mechanism (2), the inside of installation shell (1) is provided with mounting panel (4), be provided with first gear train (5) on mounting panel (4), the upper end on first gear train (5) is provided with U-shaped board (6), U-shaped board (6) joint is in the surface of stand (3), one side of installation shell (1) is provided with second gear train (7), be provided with two rotation handles (9) on second gear train (7).

2. A valve actuator hand wheel mechanism as defined in claim 1, wherein: the bottom of the mounting plate (4) is provided with a connecting shaft (8).

3. A valve actuator hand wheel mechanism as defined in claim 1, wherein: the sliding mechanism (2) comprises a threaded rod (21) and a sliding block (22), wherein the threaded rod (21) is arranged between the inner walls of the two sides of the upper part of the installation shell (1), the sliding block (22) is arranged on the threaded rod (21) in a threaded mode, and the directions of external threads arranged on the two threaded rods (21) are opposite.

4. A valve actuator hand wheel mechanism as defined in claim 3, wherein: two guide rods are arranged between the inner walls of the two sides of the upper part of the installation shell (1), one side of the sliding block (22) is provided with a guide block, and the corresponding guide rods are in sliding connection with the guide blocks.

5. A valve actuator hand wheel mechanism as defined in claim 2, wherein: the first gear set (5) comprises two first rotating shafts (51), a second rotating shaft (52), two first gears (53) and a second gear (54), wherein the two first rotating shafts (51) and the two second rotating shafts (52) are arranged on the mounting plate (4), the two first gears (53) are arranged on the upper parts of the corresponding first rotating shafts (51), the U-shaped plate (6) is arranged at the upper ends of the first rotating shafts (51), the second gears (54) are arranged on the upper parts of the second rotating shafts (52), the second gears (54) are meshed with the two first gears (53), and the bottom ends of the second rotating shafts (52) are connected with the top ends of the connecting shafts (8).

6. A valve actuator hand wheel mechanism as defined in claim 3, wherein: the second gear set (7) comprises two third rotating shafts (71), a fourth rotating shaft (72), two third gears (73) and a fourth gear (74), wherein two third rotating shafts (71) and one fourth rotating shaft (72) are arranged on one side of the installation shell (1), two third gears (73) are arranged on the corresponding third rotating shafts (71), one fourth gear (74) is arranged on the fourth rotating shaft (72), the fourth gear (74) is meshed with two third gears (73), one ends of the two third rotating shafts (71) are connected with one ends of the corresponding threaded rods (21) respectively, and two rotating handles (9) are arranged on one side of the fourth gear (74).