Actuating mechanism with gas storage functionTechnical Field
The utility model belongs to the technical field of executing mechanisms, and particularly relates to an executing mechanism with a gas storage function.
Background
The actuator uses liquid, gas, electricity or other energy sources and converts the liquid, gas, electricity or other energy sources into driving actions through a motor, a cylinder or other devices, the basic actuator is used for driving a valve to a fully opened or fully closed position, the actuator used for controlling the valve can accurately drive the valve to any position, most of the actuators are used for opening and closing the valve, the valve is a device used for controlling the direction, pressure and flow of fluid in a fluid system, the device used for enabling or stopping the medium in a pipe and equipment and controlling the flow of the medium, and the control of the valve can adopt various transmission modes, such as manual, electric, hydraulic, pneumatic, turbine, electromagnetic hydraulic, electro-hydraulic, gas-hydraulic, spur gear, bevel gear driving and the like, and the most broad definition of the actuator is as follows: a driving device capable of providing linear or rotary motion, which uses a driving energy and operates under a control signal.
In the prior art, the pneumatic actuating mechanism drives the valve through air flow, when the condition that the air supply stops supplying air occurs in the working process, the valve is uncontrolled, and the normal operation of equipment is seriously affected, so that the actuating mechanism with the air storage function is urgently needed.
Therefore, an actuating mechanism with a gas storage function is needed, and the problem that the pneumatic actuating mechanism in the prior art is difficult to control after losing power is solved.
Disclosure of Invention
The utility model aims to provide an actuating mechanism with a gas storage function, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the actuating mechanism with the gas storage function comprises a pipeline, wherein the top of the pipeline is provided with a gas storage mechanism;
the gas storage mechanism comprises a cylinder body, a piston plate is slidably connected to the middle part of the inner side of the cylinder body, a piston rod is fixedly connected to the middle part of the bottom wall of the piston plate, an upper connecting pipe penetrates through and is fixedly connected to the middle upper part of the right wall of the cylinder body, a lower connecting pipe penetrates through and is fixedly connected to the middle lower part of the right wall of the cylinder body, valves are arranged in the middle parts of the upper connecting pipe and the lower connecting pipe, one end, far away from the cylinder body, of the upper connecting pipe penetrates through and is fixedly connected to the middle upper part of the left wall of the gas storage bag, and one end, far away from the cylinder body, of the lower connecting pipe penetrates through and is fixedly connected to the middle lower part of the left wall of the gas storage bag.
In the scheme, the upper side of the middle part of the right wall of the cylinder body is provided with an upper air inlet, and the lower side of the middle part of the right wall of the cylinder body is provided with a lower air inlet.
It is further worth explaining that, cylinder body diapire middle part runs through and fixedly connected with installation pipe, installation pipe bottom fixedly connected with installation shell, the installation shell runs through and fixedly connected with at pipeline roof middle part, the inboard middle part fixedly connected with installation piece of installation pipe, the installation piece middle part is provided with spacing hole, cylinder body, installation pipe and installation shell all are located pipeline middle part upside.
Furthermore, the left side and the right side of the pipeline are provided with connecting flanges, and the bottom of the piston rod is fixedly connected with a baffle plate.
As a preferred embodiment, the baffle is of equal diameter to the inner diameter of the pipe, the baffle being located inside the mounting shell.
As a preferable implementation mode, the piston rod penetrates through and is connected to the inner side of the limiting hole in a sliding mode, and the air storage bag is located on the right side between the upper air inlet and the lower air inlet.
Compared with the prior art, the actuating mechanism with the gas storage function provided by the utility model at least has the following beneficial effects:
(1) When the actuating mechanism loses a power source, the valve in the middle of the upper connecting pipe or the lower connecting pipe is closed as required, one of the upper connecting pipe or the lower connecting pipe is kept smooth, then the air storage bag is extruded, gas in the air storage bag enters the cylinder body from the upper connecting pipe or the lower connecting pipe, the piston plate is enabled to move up and down by pressurizing the inside of the cylinder body, and therefore the actuating mechanism is controlled, and the practicability of the actuating mechanism is improved.
(2) The middle valves of the upper connecting pipe and the lower connecting pipe are opened in the normal use process of the actuating mechanism, so that gas entering the upper air inlet and the lower air inlet in the normal operation process of the actuating mechanism can enter the gas storage bag, the gas storage bag is inflated, emergency is conveniently treated, and the use cost of the gas storage mechanism is reduced.
Drawings
FIG. 1 is a schematic front perspective view of the present utility model;
FIG. 2 is a schematic diagram of a partial front internal structure of the present utility model;
fig. 3 is a schematic top perspective view of the present utility model.
In the figure: 1. a pipe; 2. a gas storage mechanism; 3. a mounting shell; 4. installing a pipe; 5. a cylinder; 6. a connecting flange; 7. an upper air inlet; 8. a lower air inlet; 9. a lower connecting pipe; 10. a valve; 11. an air storage bag; 12. a piston plate; 13. a piston rod; 14. a mounting block; 15. a limiting hole; 16. a baffle; 17. and (5) an upper connecting pipe.
Detailed Description
The utility model is further described below with reference to examples.
Referring to fig. 1-3, the utility model provides an actuating mechanism with a gas storage function, which comprises a pipeline 1, wherein a gas storage mechanism 2 is arranged at the top of the pipeline 1;
the gas storage mechanism 2 comprises a cylinder body 5, a piston plate 12 is slidably connected to the middle part of the inner side of the cylinder body 5, the piston plate 12 moves up and down in the cylinder body 5 to enable a bottom piston rod 13 to move up and down, so that a baffle 16 is driven to be inserted into a pipeline 1 to block fluid in the pipeline 1, the middle part of the bottom wall of the inner piston plate 12 is fixedly connected with a piston rod 13, the middle upper part of the right wall of the cylinder body 5 is penetrated and fixedly connected with an upper connecting pipe 17, the middle lower part of the right wall of the cylinder body 5 is penetrated and fixedly connected with a lower connecting pipe 9, the lower connecting pipe 9 pressurizes the bottom of the piston plate 12, the piston plate 12 moves upwards in the cylinder body 5, the upper connecting pipe 17 pressurizes the top of the piston plate 12, the piston plate 12 moves downwards to be inserted into the middle part of the pipeline 1, valves 10 are respectively arranged at the middle parts of the upper connecting pipe 17 and the lower connecting pipe 9, one end of the upper connecting pipe 17 far away from the cylinder body 5 is penetrated and fixedly connected with the middle upper part of the left wall of the gas storage bag 11, one end of the lower connecting pipe 9 far away from the cylinder 5 is penetrated and fixedly connected with the middle lower part of the left wall of the gas storage bag 11, and gas used for emergency is stored in the gas storage bag 11.
Further, as shown in fig. 1, 2 and 3, it is worth specifically explaining that an upper air inlet 7 is arranged on the upper side of the middle part of the right wall of the cylinder 5, a lower air inlet 8 is arranged on the lower side of the middle part of the right wall of the cylinder 5, and the upper air inlet 7 and the lower air inlet 8 are both connected with an actuating mechanism power source.
Further as shown in fig. 3, it is worth specifically explaining that the middle part of the bottom wall of the cylinder body 5 is penetrated and fixedly connected with the installation pipe 4, the bottom of the installation pipe 4 is fixedly connected with the installation shell 3, the installation shell 3 is penetrated and fixedly connected with the middle part of the top wall of the pipeline 1, the middle part of the inner side of the installation pipe 4 is fixedly connected with the installation block 14, the middle part of the installation block 14 is provided with the limiting hole 15, the cylinder body 5, the installation pipe 4 and the installation shell 3 are all positioned on the upper side of the middle part of the pipeline 1, the installation pipe 4 plays the role of connecting the installation shell 3 and the cylinder body 5, and the installation block 14 and the limiting hole 15 are matched to limit the piston rod 13, so that the piston rod 13 cannot deviate in the vertical movement process.
The scheme comprises the following working processes: when the actuating mechanism needs to be used, the actuating mechanism power source is controlled to feed air from the upper air inlet 7 or the lower air inlet 8 to drive the piston plate 12 and the piston rod 13, so that the pipeline 1 is connected or closed, the middle valves 10 of the upper connecting pipe 17 and the lower connecting pipe 9 are opened in the using process, so that gas entering the upper air inlet 7 and the lower air inlet 8 in the normal working process of the actuating mechanism can enter the gas storage bag 11 to inflate the gas storage bag 11, when the actuating mechanism loses the power source, the middle valves 10 of the upper connecting pipe 17 or the lower connecting pipe 9 are closed as required, one of the upper connecting pipe 17 or the lower connecting pipe 9 is kept smooth, then the gas storage bag 11 is extruded, the gas in the gas storage bag 11 enters the cylinder 5 from the position of the upper connecting pipe 17 or the lower connecting pipe 9, and the piston plate 12 is moved up and down by pressurizing the inside the cylinder 5, so that the actuating mechanism is controlled.
The working process can be as follows: under the cooperation of the upper air inlet 7, the lower air inlet 8, the cylinder body 5, the piston plate 12, the piston rod 13 and the air storage bag 11, temporary control can be performed when the actuating mechanism loses a power source, loss caused by uncontrolled actuating mechanism when the air source stops supplying air is avoided, and the practicability of the actuating mechanism is improved.
Further, as shown in fig. 1, fig. 2 and fig. 3, it is worth specifically explaining that the left and right sides of the pipeline 1 are both provided with connecting flanges 6, the bottom of the piston rod 13 is fixedly connected with a baffle 16, the connecting flanges 6 are used for connecting the pipeline 1 with external equipment, and are common connecting components, and the piston rod 13 can drive the baffle 16 to move up and down in the up and down moving process.
Further, as shown in fig. 1, it is worth specifically describing that the diameter of the baffle 16 is equal to the inner diameter of the pipeline 1, the baffle 16 is located inside the installation shell 3, the pipeline 1 is in an unblocked state when the baffle 16 is located inside the installation shell 3, and the baffle 16 is moved downwards from inside the installation shell 3 to be inserted into the middle of the pipeline 1, and then the pipeline 1 is in a closed state.
Further, as shown in fig. 1, it is worth specifically explaining that the piston rod 13 penetrates through and is slidably connected to the inner side of the limiting hole 15, the air storage bag 11 is located on the right side between the upper air inlet 7 and the lower air inlet 8, the limiting hole 15 can limit the piston rod 13, the piston rod 13 cannot deviate in the up-and-down movement process, emergency gas is stored in the air storage bag 11, and the actuating mechanism can be controlled briefly.
To sum up: the connecting flange 6 is used for connecting the pipeline 1 with external equipment, is a common connecting part, the piston rod 13 can drive the baffle 16 to move up and down in the up-and-down movement process, the pipeline 1 is in an unblocked state when the baffle 16 is positioned on the inner side of the installation shell 3, the baffle 16 is in a closed state after being inserted into the middle part of the pipeline 1 in a downward movement manner from the inner side of the installation shell 3, the limiting hole 15 can limit the piston rod 13, the situation that the piston rod 13 cannot deviate in the up-and-down movement process is avoided, emergency gas is stored in the gas storage bag 11, and the actuating mechanism can be controlled briefly.