Valve element transmission part, valve controller, valve and valve control method
A technology of valve controllers and transmission parts, applied in the direction of transmission, engine components, valve details, etc.
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Embodiment 1
[0076] Such as Figure 1 to Figure 5 As shown, it includes a driving gear 3 and a main shaft 4. The driving gear 3 is used to drive the main shaft 4 to rotate around the axis of the main shaft 4. The driving gear 3 is an incomplete gear, and the driving gear 3 can be rotated around the main shaft relative to the main shaft 4. Relative rotation of 4-axis rotation.
[0077] The spool transmission part provided by this solution can be used as a component of the valve controller, and the valve controller is used to drive the action of the valve spool to change the opening and closing state and opening condition of the valve. The specific structural design of the spool transmission part is aimed at the existing small fluid valves that solve the stall problem through gear transmission. After the incomplete gears are disengaged from the tooth meshing state, the subsequent tooth meshing and compound meshing needs to be considered. The problem of reset power is to facilitate the reali...
Embodiment 2
[0084] This embodiment carries out further refinement and optimization on the basis of embodiment 1:
[0085] As a technical solution to match the existing conventional incomplete gear design and incomplete gear drive design, it is set as follows: the drive gear 3 is coaxial with the main shaft 4, and the main shaft 4 can be connected to the drive gear 3 through the shaft hole on the drive gear 3 rotary connection;
[0086] Both the main shaft 4 and the driving gear 3 are respectively provided with a rotating constraining body, which is used for torque transmission between the two: the driving gear 3 is squeezed toward the main shaft 4 through the rotating constraining body. transmit torque. This solution uses a rotating constraint body to realize the torque transmission between the main shaft 4 and the drive gear 3. Specifically, the following keys and bosses can be used. With this solution, the elastic force that can store energy when the drive gear 3 rotates is set. The f...
Embodiment 3
[0089] This embodiment carries out further refinement and optimization on the basis of embodiment 2:
[0090] As a specific scheme to achieve the purpose of relative rotation based on the key fit clearance, it is set as follows: among the two, the rotation constraining body on one is a key, the rotation constraining body on the other is a keyway, and the keyway The width is greater than the width of the key. As a person skilled in the art, the difference between the keyway width and the key width is the width value of the rotation gap 8 .
[0091] As a further solution to achieve relative rotation based on the key fit clearance, it is set as follows: the key is arranged on the main shaft 4, and the keyway is arranged on the driving gear 3;
[0092] The depth of the key groove is smaller than the length of the shaft hole. Taking the drive of a ball valve on a common water meter as an example, the drive gear 3 is generally a plastic part. In order to consider the problem of po...
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