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External control element of rapid loose device of linear actuator

A linear actuator, external control technology, applied in the direction of transmission, belt/chain/gear, mechanical equipment, etc., can solve the problems of inconvenient use, stress concentration, unstable tightening relationship, etc.

Inactive Publication Date: 2008-07-30
HIWIN MIKROSYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

One of the disadvantages of this solution is that when the screw 18 is locked, the handle 15 will be plastically deformed, resulting in stress concentration and fracture
The second disadvantage is that if you need to adjust the angle of the handle 15 according to the environment, you need to use a screwdriver tool to tighten the screws 18, which is inconvenient to use
The third disadvantage is that the tightening relationship between the round hole 17 and the collar 10 due to friction is unstable, and the handle 15 may not be able to easily and effectively drive the collar 10 to rotate, and it is very easy for the handle 15 to rotate idly but the collar 10 immobility problem

Method used

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  • External control element of rapid loose device of linear actuator
  • External control element of rapid loose device of linear actuator
  • External control element of rapid loose device of linear actuator

Examples

Experimental program
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Embodiment Construction

[0016] As shown in Figure 3, it is a plan view of the appearance of a linear actuator 20 driven by a conventional ball screw, but the quick release device 21 of the actuator 20 has an improved collar 30 and a handle 40 for operating the collar 30 . The collar 30 and the handle 40 constitute the external control elements of the quick release device 21 . As stated in the prior art, the quick release device 21 basically locks the transmission part of the actuator with a restraint spring, so that the transmission part and the nut do not rotate, and the working object supported by the transmission part does not It will slide down; and expand the inner diameter of the spring, so that the transmission part is not bound by the locking force, and the weight of the working object is applied to the transmission part and the nut, which will make both of them rotate and slide rapidly on the screw rod, so that the actuator can work The purpose of rapid retraction of objects. The above-men...

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Abstract

The invention relates to an external control element of a rapid release of a linear actuator, and the external control element comprises a lantern ring and a handle. The handle rotates the lantern ring rotates, which can causes the rapid release to play the function that work pieces driven by an actuator reverts to an original position rapidly. In the invention, the external shape of the lantern ring is polygonal, and the handle is matched with the lantern ring by a polygonal connecting hole. Both sides are matched and combined and have the rotational positioning relation with each other around the direction of an axis of the lantern ring.

Description

technical field [0001] The present invention relates to linear actuators, particularly actuators driven by ball screws. The present invention mainly proposes an improved solution for enhancing the operational effectiveness and convenience of the quick release device of the actuator. Background technique [0002] The actuation method of the actuator is generally that the power source drives the screw to rotate, and the nut screwed on the screw drives a transmission part to move telescopically, and the transmission part loads a working object to make the working object move linearly. The above-mentioned actuators can be used in a wide range of applications, such as beds, chairs, tables, elevators, electric windows, etc. The actuating speed of the actuator is determined by the cooperation of the motor speed and the lead of the screw, so the telescopic stroke of the actuator takes a while to execute, but there are more and more occasions that require the actuator to be able to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H25/24
Inventor 邹文嘉
Owner HIWIN MIKROSYST
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