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an electric actuator

An electric actuator and clutch technology, which is applied to engine components, valve details, valve devices, etc., can solve the problems of high production cost, complicated operation and complex structure, and achieve the effect of low production cost, simple operation and simplified structure design.

Active Publication Date: 2019-10-15
TIGER CONTROLS EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of this, the present invention discloses an electric actuator to at least solve the problems existing in the existing electric actuators such as complex structure, cumbersome operation, and high manufacturing cost

Method used

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Embodiment Construction

[0057] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of apparatuses and methods consistent with aspects of the invention as recited in the appended claims.

[0058] see figure 1 , figure 2 It is an electric actuator, which is mainly composed of a housing 1, an upper box plate 2, a bracket 3, a DC brushless motor 4, an upper cover 5, a wiring cover 6, a circuit board 7, a gear train 8, a main shaft 9, The valve stem connection part 10, the electromagnetic coil 11, the manual clutch 12 and the manual wrench 13 are composed, wherein, an opening is pr...

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Abstract

The invention discloses an electric actuator. The electric actuator comprises a shell (1), an upper box plate (2), a support (3) , a direct-current brushless motor (4), an upper cover (5), a wiring cover (6), a circuit plate (7), a gear train (8), a main shaft (9), a valve rod connecting part (10), an electromagnetic coil (11), a manual clutch (12) and a manual wrench (13). According to the electric actuator, a secondary gear in the gear train is used as a driving gear and a manual gear as well, so that structure design of the electric actuator is greatly simplified, and operation is simple; the electromagnetic coil sleeves the outer edge of a boss hole, so that automatic power-off during manual operation and automatic power-on after the manual operation is finished are achieved, and the manual operation is simplified; overload protection of the secondary gear and other components in the electric actuator can be realized through design of the manual clutch; and the electric actuator has the advantages of being simple in structure, reasonable in design, convenient to use, low in manufacturing cost and the like.

Description

technical field [0001] The disclosure of the present invention relates to the technical field of electromechanical control, in particular to an electric actuator. Background technique [0002] An electric actuator is a driving device that can provide linear or rotary motion. It uses a certain driving energy and works under the action of a certain control signal. The actuator uses liquid, gas, electricity or other energy and passes through a motor, cylinder or Other devices convert this into actuation. [0003] When the electric actuator is actually used, if an emergency occurs, emergency manual operation is required. The existing actuator adopts an AC motor, which has a large holding force. In order to realize emergency manual operation, it is necessary to set up another manual gear on the basis of the existing transmission gear train, which is specially used for emergency manual operation. The manual gear meshes with the primary gear in the gear train, and when using the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K31/05F16K31/04F16K31/53
Inventor 朱翼虎
Owner TIGER CONTROLS EQUIP
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