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Manual-automatic screwdriver

A screwdriver and screwdriver head technology, applied in screwdrivers, wrenches, wrenches, etc., can solve the problems of large volume and outer diameter of screwdrivers, inconvenient portability and storage, and inability to use manually, and improve accessibility. , Easy to carry and store, the effect of reducing the volume

Inactive Publication Date: 2014-11-05
STANDMAC MACHANICAL & ELECTRICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Electric screwdrivers, as the name implies, use electric motors instead of human hands to install and remove screws. Conventional small electric screwdrivers generally cannot be used manually when there is no electricity. When using manually, the output shaft of the screwdriver is active and non-locked.
[0004] In the prior art, it also relates to a manual screwdriver. The screwdriver uses a one-way valve to limit the position to realize manual integration. The one-way valve has a large volume and a large outer diameter, making the screwdriver product The volume and outer diameter are also large, which is inconvenient to carry and store

Method used

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Embodiment Construction

[0034] The present invention provides a kind of manual screwdriver, such as Figure 1 to Figure 6 As shown, it includes a screwdriver head 1 and a housing 2, and the housing 2 is provided with a reduction motor 3, and the screwdriver head 1 is located in front of the housing 2. In particular, a composite mechanism is provided between the screwdriver head 1 and the motor 3 4. The motor 3 is a geared motor, and the composite mechanism 4 includes: an output shaft 5 , a support frame 6 , a bearing seat 7 and a plurality of pins 8 .

[0035] The output shaft 5 is provided with a front end 51 and a rear end 52, a protruding ring 53 is arranged between the front end 51 and the rear end 52, the cross section of the rear end 52 has an arc segment 521 and a straight line segment 522, the front end 51 Used to insert the screwdriver bit 1 and drive the screwdriver bit 1 to rotate.

[0036] The support frame 6 is provided with a plurality of extension arms 61 that are offset against the p...

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Abstract

The invention discloses a manual-automatic screwdriver which comprises a screwdriver head and a shell. A motor is arranged in the shell, and the screwdriver head is located in front of the shell. The screwdriver is characterized in that a composite mechanism is disposed between the screwdriver head and the motor and comprises an output shaft, a supporting frame, a bearing base and multiple pins, and by means of the composite mechanism, the manual-automatic screwdriver has a manual mode and an automatic mode which can be switched. By means of the screwdriver, the manual mode and the automatic mode are integrated through a transmission unit. When the screwdriver has no supplementary power supply, the screwdriver can still be normally used in the manual mode. The transmission unit takes the place of a traditional one-way valve, so that the size and the outer diameter of the screwdriver are reduced, and the screwdriver is convenient to carry and store. A tail cap is provided with a functional slot and a tail LED lamp, the functional slot can be used for charging electronic products and the tail LED lamp has a work indication function.

Description

technical field [0001] The invention relates to a screwdriver, in particular to a screwdriver which is used for tightening and loosening screws and nuts and which integrates manual and automatic functions. Background technique [0002] A screwdriver is a tool used to twist a screw to force it into place. Generally, screwdrivers are divided into ordinary screwdrivers, combined screwdrivers and electric screwdrivers, and electric screwdrivers are generally combined screwdrivers. [0003] Electric screwdrivers, as the name suggests, use electric motors instead of manual installation and removal of screws, while conventional small electric screwdrivers generally cannot be used manually when there is no electricity. When using manually, the output shaft of the screwdriver is active and non-locked. [0004] In the prior art, it also relates to a manual screwdriver. The screwdriver uses a one-way valve to limit the position to realize manual integration. The one-way valve has a lar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25B21/00B25B23/00
CPCB25B15/02B25B21/00B25B23/00B25B23/18B25F5/02
Inventor 不公告发明人
Owner STANDMAC MACHANICAL & ELECTRICAL
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