CN209936797U

CN209936797U - Screwdriver

Info

Publication number: CN209936797U
Application number: CN201920178122.8U
Authority: CN
Inventors: 魏华杰; 马文文; 杨京京; 陈远良; 张野
Original assignee: Shenzhen Power Supply Bureau Co Ltd
Current assignee: Shenzhen Power Supply Bureau Co Ltd
Priority date: 2019-01-31
Filing date: 2019-01-31
Publication date: 2020-01-14
Anticipated expiration: 2029-01-31

Abstract

The utility model relates to a screwdriver, it includes: a main body; the holding body is fixedly connected with the near end of the main body; at least one screwdriver bit for fixed connection with the distal end of the body; the circuit board is fixedly arranged on the main body; the induction electroscope assembly is arranged on the circuit board; and the warning piece is used for receiving the signal of the induction electricity testing component and sending out a warning when the induction electricity testing component detects the electric leakage phenomenon. The screwdriver is provided with an induction electricity testing assembly. Therefore, the screwdriver is used for carrying out the assembling, disassembling and replacing operations and simultaneously carrying out the electricity testing operation, and the overhauling efficiency is improved.

Description

Screwdriver

Technical Field

The utility model relates to an overhaul the field, especially relate to a screwdriver.

Background

The statements herein merely provide background information related to the present application and may not necessarily constitute prior art.

In general, in the maintenance work of equipment, a tool for attaching and detaching a screwdriver for replacement is indispensable. However, in the process of maintaining the equipment, the electroscope needs to be firstly used for carrying out electroscope operation, then the screwdriver needs to be used for carrying out assembling, disassembling and replacing operation, the frequent replacement operation of the electroscope and the screwdriver is complicated, and the workload of operators is increased.

SUMMERY OF THE UTILITY MODEL

Accordingly, there is a need for a screwdriver that can improve the efficiency of maintenance.

A screwdriver, comprising:

a main body;

the holding body is fixedly connected with the near end of the main body;

at least one screwdriver bit for fixed connection with the distal end of the body;

the circuit board is fixedly arranged on the main body;

the induction electroscope assembly is arranged on the circuit board; and

and the warning piece is used for receiving the signal of the induction electricity testing component and sending out a warning when the induction electricity testing component detects the electric leakage phenomenon.

The screwdriver is provided with an induction electricity testing assembly. Therefore, the screwdriver is used for carrying out the assembling, disassembling and replacing operations and simultaneously carrying out the electricity testing operation, and the overhauling efficiency is improved.

In one embodiment, the induction electroscope assembly comprises a reed pipe circuit and a signal amplifying circuit; the reed switch circuit comprises a power supply, a reed switch and a capacitor; the reed switch is connected with the capacitor in series and then connected to two ends of the power supply.

In one embodiment, the warning device is a warning lamp or a speaker.

In one embodiment, the screwdriver further comprises an illumination assembly for illuminating an area near the distal end of the screwdriver bit.

In one embodiment, the lighting assembly includes a lighting lamp, a battery for supplying power to the lighting lamp, and an operating member for controlling the lighting lamp to be turned on or off.

In one embodiment, the warning element is a warning light; the circuit board is sleeved on the main body and located at the far end of the holding body, and the illuminating lamp and the warning lamp are both arranged on the far end face of the circuit board.

In one embodiment, the lighting assembly comprises a plurality of lighting lamps, and the plurality of lighting lamps are uniformly arranged around the main body.

In one embodiment, the body is an electrical conductor and the screwdriver bit is an electrically conductive screwdriver bit; the screwdriver further comprises a contact type electricity testing assembly electrically connected with the main body.

In one embodiment, the holding body is provided with a cavity penetrating through the distal end surface and the proximal end surface of the holding body, and the main body is inserted into the cavity of the holding body;

the contact electroscope assembly includes:

one end of the lamp tube is inserted into the inner cavity of the holding body and is electrically connected with the main body;

the transparent tail cover is used for covering the lamp tube and is fixedly connected with the near end of the holding body; and

and the conductive piece is arranged at the near end of the transparent tail cover and is electrically connected with the other end of the lamp tube.

In one embodiment, the body is an electrical conductor and the screwdriver bit is an electrically conductive screwdriver bit; the screwdriver further comprises an illumination component for illuminating an area near the distal end of the screwdriver bit and a contact electroscope component electrically connected with the main body;

the lighting assembly comprises a plurality of lighting lamps, a battery for providing power for the lighting lamps and an operating part for controlling the lighting lamps to be on or off; the circuit board is positioned at the far end of the holding body, and the illuminating lamp and the warning lamp are both arranged on the far end face of the circuit board; the plurality of illuminating lamps are uniformly arranged around the main body; the illuminating lamp is a white light LED lamp bead, and the warning piece is a red light LED lamp bead;

the holding body is provided with an inner cavity penetrating through the far end face and the near end face of the holding body, and the main body is inserted into the inner cavity of the holding body;

the contact electroscope assembly includes:

the transparent tail cover is used for covering the lamp tube and is fixedly connected with the near end of the holding body;

the conductive piece is arranged at the near end of the transparent tail cover and is electrically connected with the other end of the lamp tube; and one end of the elastic electric connector is abutted with the main body, and the other end of the elastic electric connector is abutted with the lamp tube.

Drawings

Fig. 1 is a schematic structural view of a screwdriver according to an embodiment of the present invention.

Fig. 2 is an exploded view of the screwdriver shown in fig. 1.

Fig. 3 is a circuit diagram of a reed switch circuit of the inductive electroscope assembly of fig. 1.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 3, a screwdriver 100 according to an embodiment of the present invention includes a main body 110, a holding body 130 fixedly connected to a proximal end of the main body 110, at least one screwdriver bit 150 fixedly connected to a distal end of the main body 110, a circuit board 170 fixedly disposed on the main body 110, an inductive electrical component disposed on the circuit board 170, and an alarm. Wherein, the warning piece is used for receiving the signal of the induction electricity testing component and sending out a warning when the induction electricity testing component detects the electric leakage phenomenon.

It will be appreciated that the distal end of a member refers to the end of the screwdriver 100 that is remote from the operator when holding the screwdriver. Accordingly, the proximal end of a member refers to the end of the member that is adjacent to the operator when holding screwdriver 100 for servicing.

The screwdriver 100 is provided with the induction electricity testing component, so that the screwdriver 100 is used for carrying out assembling, disassembling and replacing operations and simultaneously carrying out electricity testing operations, namely, the traditional operation of frequently replacing an electricity testing pen and the screwdriver is avoided, and the overhauling efficiency is improved.

In addition, if the equipment leaks electricity during the mounting and dismounting operation, the operator may be put in a dangerous situation. The screwdriver 100 is used for carrying out assembly, disassembly and replacement operations, so that the electric leakage phenomenon of the equipment can be found in time for timely treatment, and the safety of operators is effectively guaranteed.

Furthermore, in this embodiment, test the electricity through response electricity testing component response, avoided traditional condition that utilizes the current to pass through the human body and form the return circuit, improved operating personnel's factor of safety.

Specifically, in the present embodiment, the screwdriver bit 150 is detachably and fixedly connected to the main body 110 through the connecting member 105. Specifically, one end of the connecting member 105 is detachably and fixedly connected to the main body 110, and the other end is detachably and fixedly connected to the screwdriver bit 150.

More specifically, in the present embodiment, the main body 110 has a hexagonal rod shape, and is simple in structure and convenient to process. In addition, the space is saved, and the storage is convenient.

The screwdriver 100 comprises a plurality of screwdriver heads 150 with different models, so that the screwdriver can adapt to various application scenes, and the application range of the screwdriver is widened.

In this embodiment, circuit board 170 is disposed perpendicular to the axial direction of main body 110, and the inductive electroscope assembly is disposed on the proximal end face of circuit board 170. Of course, in other embodiments, an inductive electroscopic assembly may be provided on the distal end face of circuit board 170.

Alternatively, in further embodiments, the circuit board may also be arranged parallel to the axial direction of the body. Accordingly, an inductive electroscopic assembly may also be provided on a surface of the circuit board that is closer to or further from the body.

It can be understood that equipment electric leakage can produce magnetic field, and when the response was tested electric subassembly and was detected magnetic field, the signalling was given warning piece, reminds operating personnel to have the electric leakage phenomenon through warning of warning piece. In this embodiment, the inductive electroscope assembly includes a reed switch circuit 181 and a signal amplifying circuit. The reed switch circuit 181 includes a power supply 182, a reed switch 184, and a capacitor 186, and the reed switch 184 and the capacitor 186 are connected in series and then connected to two ends of the power supply 182. The magnetic field near the screwdriver bit is sensed by the reed switch circuit 181.

The signal amplification circuit is set by adopting the conventional technical means in the circuit field, and the details are not repeated here.

Of course, in other embodiments, the inductive electroscope assembly is not limited to the above structure, and may be other assemblies that can induce an electromagnetic field.

In this embodiment, the warning member is a warning light 190. It is understood that in other embodiments, the warning device is not limited to a warning light, but may be a speaker or other device that may initiate an alarm.

Specifically, in this embodiment, warning light 190 is ruddiness LED lamp pearl, and the light that warning light 190 sent is ruddiness, and the operating personnel of being convenient for differentiates.

In this embodiment, screwdriver 100 also includes an illumination assembly 120 for illuminating an area near the distal end of screwdriver bit 150. In a working environment with insufficient light, the lighting assembly 120 can illuminate a working area, so that an operator can realize the assembling, disassembling and replacing operations in a clear environment only by operating the screwdriver 100, namely, the situation of inconvenient operation brought to the operator by additionally arranging a lighting device in a traditional way is avoided.

In the embodiment, the screwdriver has the electricity testing function and the lighting function, so that the situation that an operator frequently changes tools for testing electricity is reduced, the situation that the operator needs to additionally hold lighting equipment when the screwdriver is used for carrying out assembly, disassembly and replacement operations is effectively avoided, the operation difficulty of the operator is reduced to a great extent, and the overhauling efficiency is improved. In addition, the problems of large number of tools carried by operators and heavy weight can be avoided.

Specifically, in the present embodiment, the lighting assembly 120 includes a lighting lamp 121, a battery 123 for supplying power to the lighting lamp 121, and an operation member 125 for controlling the lighting lamp 123 to be turned on or off.

More specifically, in this embodiment, the illumination lamp 121 is a white LED lamp bead. The illuminating lamp 121 and the warning lamp 130 are different in light emitting color, so that the illuminating lamp 121 and the warning lamp 130 can be distinguished conveniently, signals of the warning lamp 130 can be distinguished quickly, and operators can learn leakage information quickly.

Of course, in another embodiment, a voice control method may be adopted as the method for controlling the on/off of the illumination lamp 123.

In this embodiment, the battery 123 is a button battery.

In this embodiment, the circuit board 170 is sleeved on the main body 110, the circuit board 170 is located at the distal end of the holding body 130, and the illuminating lamp 123 and the warning lamp 190 are both disposed on the distal end surface of the circuit board 170. Thereby facilitating illumination of the illumination lamp 123 to an area near the distal end of the driver bit 150.

Specifically, in the present embodiment, the circuit board 170 is fixed by the fixing member 101 sleeved on the main body 110 and fixedly connected to the holding body 130. The proximal end face of the circuit board 170 abuts against the distal end face of the holding body 130, and the distal end face abuts against the fixing member 101.

The fixing member 101 is screw-coupled to the grip body 130. It is understood that in other embodiments, the fixing member 101 and the holding body 130 can be fixedly connected by other means, such as clamping, etc.

Further, in the present embodiment, the illumination assembly 120 includes five illumination lamps 121, and the five illumination lamps 121 are uniformly disposed around the main body 110. The illumination lamp 121 is disposed around the body 110 so as to uniformly illuminate the area around the distal end of the screwdriver bit 150.

Of course, in another embodiment, the number of the illuminating lamps 121 is not limited to five, and may be set according to the size of the illuminating lamps, and the like, so that the area around the distal end of the driver bit can be illuminated. Additionally, in further embodiments, the illumination light may also be arranged in a ring shape to more evenly illuminate the area near the distal end of the screwdriver bit.

In this embodiment, the proximal end of the circuit board 170 is further provided with a protrusion 171, and the operation member 125 is provided on the protrusion 171. The holding body is provided with a groove 131, and the protrusion 171 and the battery 123 are both located in the groove 131 and covered by a protective cover 133.

In this embodiment, the operation member 125 is an operation button, which is convenient for operation. Of course, in another embodiment, the operation member may be a switch structure such as an operation knob capable of controlling the illumination of the illumination lamp 121.

In this embodiment, the main body 110 is a conductive body, and the screwdriver bit 150 is a conductive screwdriver bit. Screwdriver 100 also includes a contact electroscope assembly 140 electrically connected to body 110. Due to the arrangement of the contact type electricity testing component 140, electricity testing can be performed again through the contact type electricity testing component 140, and the accuracy of an electricity testing result is ensured. In addition, if the power 182 electric quantity of the induction electricity testing component is insufficient, the contact electricity testing component 140 can be used for testing electricity, and double guarantee is provided for testing electricity through the screwdriver 100.

In this embodiment, the main body 110 is made of a galvanized iron material. It is understood that in other embodiments, the electrical conductors may be formed from other electrically conductive materials.

In addition, an insulating protective layer is provided on the outer surface of the body 110. The insulating protective layer can prevent the main body 110 from being corroded by external water and oxygen on one hand, and can prevent potential safety hazards caused by current flowing through the main body 110 on the other hand.

Specifically, in the present embodiment, the holding body 130 has an inner cavity penetrating through the distal end surface and the proximal end surface of the holding body 130, and the main body 110 is inserted into the inner cavity of the holding body 130.

Contact electroscope assembly 140 includes a light tube 141, a transparent tail cap 143, and a proximal end fixedly disposed on transparent tail cap 143. And a conductive member 145. Specifically, one end of the light tube 141 is inserted into the inner cavity of the holding body 130 and electrically connected to the main body 110, and the other end is electrically connected to the conductive member 145. The transparent tail cover 143 covers the lamp tube 141 and is fixedly connected to the proximal end of the holding body 130. The transparent tail cover 143 can transmit light emitted from the lamp 141 to remind an operator of the leakage phenomenon.

Further, contact electroscope assembly 140 further includes a resilient electrical connector 147 having one end abutting body 110 and the other end abutting lamp tube 141. That is, the body 110 and the lamp tube 141 are electrically connected through the elastic electrical connection 147. The elastic electrical connector 147 is also used to ensure the stable contact between the main body 110 and the lamp tube 141.

Specifically, in the present embodiment, the elastic electrical connection 147 is a spring. Of course, in other embodiments, the elastic electrical connection 147 is not limited to a spring, but may be other elastic and conductive elements.

It is understood that in other embodiments, the specific structure of the contact electroscope assembly is not limited thereto, and electroscopy can be achieved by contact.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A screwdriver, comprising:

a main body;

the holding body is fixedly connected with the near end of the main body;

the circuit board is fixedly arranged on the main body;

the induction electroscope assembly is arranged on the circuit board; and

2. The screwdriver according to claim 1, wherein the inductive electroscope assembly comprises a reed switch circuit and a signal amplification circuit; the reed switch circuit comprises a power supply, a reed switch and a capacitor; the reed switch is connected with the capacitor in series and then connected to two ends of the power supply.

3. The screwdriver according to claim 1, wherein the warning member is a warning light or a speaker.

4. The screwdriver as recited in any one of claims 1-3, further comprising an illumination assembly to illuminate an area proximate to a distal end of the screwdriver bit.

5. The screwdriver according to claim 4, wherein said lighting assembly comprises a lighting lamp, a battery for providing power to said lighting lamp, and an operating member for controlling on/off of said lighting lamp.

6. The screwdriver according to claim 5, wherein the warning member is a warning light; the circuit board is sleeved on the main body and located at the far end of the holding body, and the illuminating lamp and the warning lamp are both arranged on the far end face of the circuit board.

7. The screwdriver as recited in claim 5, wherein said illumination assembly comprises a plurality of illumination lamps, said plurality of illumination lamps being disposed uniformly about said body.

8. The screwdriver as defined in claim 1, wherein said body is an electrical conductor and said screwdriver tip is an electrically conductive screwdriver tip; the screwdriver further comprises a contact type electricity testing assembly electrically connected with the main body.

9. The screwdriver as recited in claim 8, wherein said grip body has an interior lumen extending through a distal end surface and a proximal end surface of said grip body, said body being inserted into said interior lumen of said grip body;

the contact electroscope assembly includes:

10. The screwdriver as defined in claim 1, wherein said body is an electrical conductor and said screwdriver tip is an electrically conductive screwdriver tip; the screwdriver further comprises an illumination component for illuminating an area near the distal end of the screwdriver bit and a contact electroscope component electrically connected with the main body;

the lighting assembly comprises a plurality of lighting lamps, a battery for providing power for the lighting lamps and an operating part for controlling the lighting lamps to be on or off; the circuit board is positioned at the far end of the holding body, and the illuminating lamp and the warning piece are both arranged on the far end face of the circuit board; the plurality of illuminating lamps are uniformly arranged around the main body; the illuminating lamp is a white light LED lamp bead, and the warning piece is a red light LED lamp bead;

the contact electroscope assembly includes:

the conductive piece is arranged at the near end of the transparent tail cover and is electrically connected with the other end of the lamp tube; and

and one end of the elastic electric connector is abutted with the main body, and the other end of the elastic electric connector is abutted with the lamp tube.