CN105904395A - An electrician's screwdriver with lighting function - Google Patents

Abstract

The invention discloses an electrician screwdriver with an illuminating effect, which comprises a screwdriver shaft and an insulating grab handle fixed with the screwdriver shaft, wherein an illuminating device is arranged at one fixed end of the insulating grab handle and the screwdriver shaft, a battery for providing power for the illuminating device is arranged at the other end of the insulating grab handle, a switch for controlling the illumination and the extinction of the illuminating device is further arranged on the side surface of the insulating grab handle, and the battery, the illuminating device and the switch are sequentially connected in series through a wire arranged in the insulating grab handle. The multifunctional electric screwdriver has the lighting function, and when the light is dark and an electrician screwdriver is used for working, an extra power supply is not needed for lighting, so that the multifunctional electric screwdriver is more convenient to use.

Description

An electrician's screwdriver with lighting function

technical field

The invention relates to the field of electric tools, in particular to an electric screwdriver with lighting function.

Background technique

An electrician's screwdriver is one of the indispensable members of the power tool family. A screwdriver is a tool used to turn a screw to force it into place. It usually has a thin wedge-shaped head. Because it is used in the field of power technology, it is used by electricians Compared with ordinary screwdrivers, screwdrivers must have better insulation, so electrician screwdrivers are also called insulated screwdrivers.

In the actual application of electrician screwdrivers, they are often used for circuit maintenance. In some large equipment such as power distribution cabinets, due to the dark light, it is necessary to use a flashlight to use electrician screwdrivers, which is very inconvenient.

Contents of the invention

The purpose of the present invention is to provide a simple structure, convenient and practical electrician screwdriver with lighting function.

The present invention is realized through the following technical solutions: an electrician screwdriver with lighting function, comprising a screwdriver shaft and an insulating handle fixed to the screwdriver shaft, the end of which the insulating handle is fixed to the screwdriver shaft is provided with a lighting device, and the other end of the insulating handle is A battery is provided to provide power for the lighting device, and a switch for controlling the lighting device to be turned on and off is provided on the side of the insulating handle.

The working principle of this technical solution is to install a lighting device at the front end of the electrician screwdriver. When the working environment of the electrician screwdriver is dark, the lighting device that comes with the electrician screwdriver can be used for lighting, which is convenient for electricians to use the electrician screwdriver in environments with poor light conditions. It does not need to provide an additional light source to carry out work in the center, which has a significant effect on improving the work efficiency of electricians.

In order to better realize the present invention, further, an insulating sleeve is installed on the shaft of the screwdriver shaft extending from the insulating handle, and the insulating sleeve and the insulating handle form an integral structure.

In order to better realize the present invention, further, the end of the insulating handle where the lighting device is installed is provided with a concave mirror groove matching the lighting device, and the lighting device is installed on the focal point of the concave mirror groove.

In order to better realize the present invention, further, the lighting device installed at one end of the insulating handle is a ring-shaped light tube matching the concave mirror groove.

In order to better realize the present invention, further, the lighting device installed at one end of the insulating handle is four small LED bulbs arranged in a ring array with the screwdriver shaft as the axis.

In order to better realize the present invention, further, the battery installed at the other end of the insulating handle to provide power for the lighting device is a lithium battery.

Compared with the prior art, the present invention has the following advantages and beneficial effects:

(1) The present invention has a lighting function. When the light is dark, when using an electrician screwdriver for work, no additional power supply is needed for lighting, which is more convenient to use;

(2) In the present invention, a concave mirror groove is provided at the front end of the insulating handle, and the lighting device is installed on the focus of the concave mirror, which can ensure that the light emitted by the lighting bulb directly hits the part to be illuminated, improves the light intensity of the part to be illuminated, and ensures the light efficient use of energy;

(3) By optimizing the structure of the lighting device, the present invention can effectively eliminate the existence of shadows and avoid affecting the normal work due to the existence of shadows.

Description of drawings

Other characteristics, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

Fig. 1 is a schematic cross-sectional structure diagram of the present invention.

Among them: 1—screwdriver shaft, 2—insulated handle, 3—battery, 4—lighting device, 5—switch, 6—insulated shaft sleeve.

detailed description

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected, or electrically connected; it can also be directly connected, or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Example 1:

The main structure of this embodiment, as shown in Figure 1, includes a screwdriver shaft 1 and an insulating handle 2 fixed to the screwdriver shaft 1, the insulating handle 2 and the screwdriver shaft 1 are fixed at one end with a lighting device 4, and the insulating handle 2 The other end is provided with a battery 3 that provides power for the lighting device 4, and the side of the insulating handle 2 is also provided with a switch that controls the lighting device 4 to turn on and off. The wires are connected in series.

The specific implementation method is: in some working environments with poor light conditions, just turn on the switch 5, connect the line between the battery 3 and the lighting device 4, and make the lighting device 4 emit light, and you can conveniently use an electrician's screwdriver to carry out the work .

Example 2:

In this embodiment, on the basis of the above embodiments, an insulating bushing 6 is added on the shaft of the screwdriver shaft 1 extending from the insulating handle 2, and the insulating bushing 6 is integrated with the insulating handle 2. structure. Adding insulating shaft sleeve 6 is in order to better protect the workers who use the electrician's screwdriver from getting an electric shock. Other parts of this embodiment are the same as those of the foregoing embodiment, and will not be repeated here.

Example 3:

In this embodiment, on the basis of the above embodiments, a concave mirror groove matching the lighting device 4 is further added at the end of the insulating handle 2 where the lighting device 4 is installed, and the lighting device 4 is installed in the concave mirror groove on the focus. The concave mirror groove is a mirror that uses the concave curved surface to reflect light. When the light source is located at the focus of the concave mirror, the light emitted by the light source is reflected to form a parallel beam, which is parallel to the main axis of the concave mirror groove, forming direct light. A concave mirror groove is provided at the front end of the insulating handle, and the lighting bulb is installed on the focal point of the concave mirror groove, which can ensure that the light emitted by the lighting bulb directly hits the part to be illuminated, improves the light intensity of the part to be illuminated, and ensures the effective use of light energy . Other parts of this embodiment are the same as those of the foregoing embodiment, and will not be repeated here.

Example 4:

On the basis of the above embodiments, this embodiment further defines the structure of the lighting device 4, the lighting device 4 installed at one end of the insulating handle 2 is a ring-shaped lamp tube matching the concave mirror groove. The ring-shaped light tube can illuminate without dead angle, avoiding the light from being blocked, and improving the lighting effect. Other parts of this embodiment are the same as those of the foregoing embodiment, and will not be repeated here.

Example 5:

On the basis of the above embodiments, this embodiment provides another structure of the lighting device 4. The lighting device 4 installed at one end of the insulating handle 2 is a four-wheel array arranged in a ring array with the screwdriver shaft 1 as the axis. A small LED light bulb. During the lighting process of the lighting bulb, due to the blocking effect of the occluder, using a single lighting bulb for lighting will produce shadows, which will affect the normal operation of the work. By arranging four small LED light bulbs arranged in a ring array with the screwdriver shaft 1 as the axis, the existence of shadows can be effectively eliminated, and normal work can be prevented from being affected by the existence of shadows. Other parts of this embodiment are the same as those of the foregoing embodiment, and will not be repeated here.

Embodiment 6:

In this embodiment, on the basis of the above embodiments, it is further defined that the battery 3 installed at the other end of the insulating handle 2 to provide power for the lighting device 4 is a lithium battery. A lithium battery is a primary battery that uses lithium metal or lithium alloy as the negative electrode material and uses a non-aqueous electrolyte solution. The use of lithium batteries as batteries has the following advantages: (1) Lithium batteries have relatively high energy and high storage energy density, which has reached 460-600Wh/kg at present, which is about 6-7 times that of lead-acid batteries, which is beneficial to test pens Long-term use, reducing the replacement of batteries; (2) The lithium battery has a long service life, which can reach more than 6 years, and there is no need to worry about the impact of the lithium battery expiration on the normal operation of the test pen; (3) The rated voltage of the lithium battery High (single working voltage is 3.7V or 3.2V), which is approximately equal to the series voltage of 3 NiCd or NiMH rechargeable batteries, which is convenient to form a battery power pack; (4) The self-discharge rate of lithium batteries is very low and can be stored for a long time. It will not cause a large amount of power loss due to the self-discharge of the lithium battery, which is conducive to the long-term storage of the test pen; (5) The lithium battery is light in weight, and the weight is about 1/6-1/5 of the lead-acid product under the same volume, and will not Significantly increase the weight of the electric test pen, avoiding the heavy work of the user due to the heavy test pen, making it more comfortable to use; (6) Lithium batteries are green and environmentally friendly, no matter whether they are produced, used or scrapped, they do not contain or generate Any toxic and harmful heavy metal elements and substances such as lead, mercury, cadmium, etc. are conducive to the protection of the environment. Other parts of this embodiment are the same as those of the foregoing embodiment, and will not be repeated here.

It can be understood that, according to the electric screwdriver structure of an embodiment of the present invention, for example, the working principle and working process of parts such as the screwdriver shaft 1 and the insulating handle 2 are all prior art, and are well known to those skilled in the art, here No more detailed description will be given.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and modifications can be made to these embodiments without departing from the principle and spirit of the present invention. The scope is defined by the claims and their equivalents.

Claims (6)

1. An electric screwdriver with lighting function, characterized in that it includes a screwdriver shaft (1), an insulating handle (2) fixed to the screwdriver shaft (1), the insulating handle (2) and the screwdriver shaft (1) A lighting device (4) is provided at one fixed end, a battery (3) is provided at the other end of the insulating handle (2) to provide power for the lighting device (4), and a control lighting device (4) is provided on the side of the insulating handle (2) A light switch, the battery (3), the lighting device (4), and the switch (5) are connected in series sequentially through the wires arranged in the insulating handle (2). 2. An electrician screwdriver with lighting function according to claim 1, characterized in that an insulating sleeve (6) is installed on the shaft of the screwdriver shaft (1) extending out of the insulating handle (2) , the insulating shaft sleeve (6) and the insulating handle (2) form an integral structure. 3. An electrician screwdriver with lighting function according to claim 1 or 2, characterized in that, one end of the insulating handle (2) where the lighting device (4) is installed is provided with a lamp corresponding to the lighting device (4). The matching concave mirror groove, the illuminating device (4) is installed on the focal point of the concave mirror groove. 4. An electrician screwdriver with lighting function according to claim 3, characterized in that, the lighting device (4) installed at one end of the insulating handle (2) is a ring light matching the concave mirror groove Tube. 5. An electrician screwdriver with lighting function according to claim 1 or 2, characterized in that the lighting device (4) installed at one end of the insulating handle (2) takes the screwdriver shaft (1) as the axis Heart Four small LED light bulbs arranged in a ring array. 6. An electrician screwdriver with lighting function according to claim 1 or 2, characterized in that the battery (3) installed on the other end of the insulating handle (2) provides power for the lighting device (4) For lithium batteries.