CN215394912U

CN215394912U - Electric shock prevention screwdriver

Info

Publication number: CN215394912U
Application number: CN202121581083.XU
Authority: CN
Inventors: 吕雪军
Original assignee: Jiande Screwdriver Co ltd
Current assignee: Jiande Screwdriver Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2022-01-04
Anticipated expiration: 2031-07-13

Abstract

The utility model discloses an electric shock prevention screwdriver which comprises a screwdriver handle, a screwdriver rod, a connecting mechanism, a fixing mechanism and an induction mechanism and is characterized in that a mounting groove is formed in the screwdriver handle, a connecting hole penetrating through the screwdriver handle is formed in the tail end of the mounting groove, a protection pad matched with the screwdriver rod is arranged on the inner wall of the connecting hole, the connecting mechanism comprises a groove formed in the inner wall of the mounting groove, far away from one side of the screwdriver handle, an electric telescopic rod arranged in the groove and a connecting disc welded to the tail end of the electric telescopic rod, the size of the connecting disc is smaller than that of the mounting groove, the outer wall of one side of the connecting disc is connected with the screwdriver rod, and the connecting disc is connected with the inner wall of the mounting groove in a sliding mode. According to the utility model, the electric telescopic rod drives the connecting disc to move, the length of the screwdriver is adjusted as required, the screwdrivers with different lengths do not need to be prepared, the cost is saved, when the screws are disassembled, the screws to be installed are sleeved by the fixing sleeve, the disassembling difficulty of the screws is reduced, and the insulating pad protects the handle and the cutter bar to prevent electric shock.

Description

Electric shock prevention screwdriver

Technical Field

The utility model relates to the technical field of screwdrivers, in particular to an electric shock prevention screwdriver.

Background

Screwdrivers, also known as screwdrivers, screwdrivers and chisels, are common tools used to turn screws into place. The screwdriver is generally provided with a thin wedge-shaped head, can be inserted into a slot or a notch of a screwdriver head, is embedded and tightened when rotating clockwise, is loosened when rotating anticlockwise, is in a straight shape, a cross shape, a hexagonal screwdriver and the like, and utilizes the working principle of a lever and a wheel shaft. The traditional screwdriver mainly comprises a screwdriver handle and a screwdriver rod, wherein the screwdriver handle is fixedly connected with the screwdriver rod.

However, the existing screwdriver is simple in structure and single in function, the length of the screwdriver cannot be adjusted according to actual needs, and the screwdriver is inconvenient to work. And the existing screwdriver has poor electric shock prevention effect and is easy to get an electric shock when in use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an electric shock prevention screwdriver.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an electric shock prevention screwdriver, includes handle of a knife, cutter arbor, coupling mechanism, fixed establishment, response mechanism, its characterized in that, the inside mounting groove that has opened of handle of a knife, and the mounting groove end is opened there is the connecting hole that runs through the handle of a knife, and the connecting hole inner wall is provided with the protection pad with cutter arbor looks adaptation, coupling mechanism is including offering the recess of keeping away from handle of a knife one side inner wall in the mounting groove, installing in the inside electric telescopic handle of recess, welding in the terminal connection pad of electric telescopic handle, and the connection pad size is less than the mounting groove size, connection pad one side outer wall is connected with the cutter arbor, and connection pad and mounting groove inner wall sliding connection.

The connecting mechanism comprises bolts rotatably arranged on the outer walls of the two sides of the knife handle, a mounting plate rotatably arranged at the tail end of each bolt, and fixing pins welded outside the bottom of the mounting plate at equal intervals.

The mounting panel is the arc, and mounting panel and cutter arbor looks adaptation, and the cutter arbor outer wall is opened the fixed orifices that have equidistance and distribute and fixed pin looks adaptation.

The induction mechanism comprises an induction groove arranged on the outer wall of the bottom of the fixing pin, a signal receiver arranged in the induction groove, a transmitting groove arranged at the bottom of the fixing hole, a signal transmitter arranged on the inner wall of the transmitting groove, a display groove arranged on the outer wall of the tool handle and a display lamp arranged on the inner wall of the display groove.

The signal receiver is connected with a controller through a lead, and the controller is connected with the display lamp through a lead.

The outer walls of the knife handle and the knife rod are respectively provided with an insulating pad, the insulating pads are respectively matched with the knife handle, the bolt, the knife rod and the display lamp, and the outer wall of each insulating pad is provided with friction grooves distributed at equal intervals.

The outer wall of the cutter rod is provided with a sliding groove, the length of the sliding groove is smaller than that of the cutter rod, the inner wall of the sliding groove is connected with a fixing sleeve in a sliding mode, and the fixing sleeve is matched with the cutter rod.

The utility model has the beneficial effects that:

1. according to the utility model, the electric telescopic rod drives the connecting disc to move, the length of the screwdriver is adjusted as required, when the length of the screwdriver is adjusted, the prompting lamp is lightened to prompt when the signal receiver receives a signal transmitted by the signal transmitter, and at the moment, the bolt is rotated to drive the mounting plate to move, the fixing pin is inserted into the fixing hole to fix the screwdriver rod, so that compared with the traditional device, the length of the screwdriver can be reasonably adjusted according to the length of the screw to be disassembled and assembled, the screwdrivers with different lengths are not required to be prepared, the cost is saved, the carrying is convenient, and the practicability is strong;

2. when carrying out the dismantlement of screw, will fix the cover and remove the screw cover that will need the installation to the cutter arbor end, prevent that the screw from removing when the installation, keep the stability of screw, reduce the screw and dismantle the degree of difficulty, insulating pad protects handle of a knife and cutter arbor simultaneously, prevents to electrocute.

Drawings

Fig. 1 is a schematic view of an internal structure of an electric shock preventing screwdriver provided by the present invention;

fig. 2 is a schematic structural view of an appearance connection mechanism of an electric shock preventing screwdriver provided by the utility model;

fig. 3 is a schematic view of an appearance structure of an electric shock preventing screwdriver provided by the present invention;

fig. 4 is a schematic cross-sectional view of an electric shock protection screwdriver according to the present invention.

In the figure: 1 handle of a knife, 2 cutter arbor, 3 mounting grooves, 4 electric telescopic handle, 5 connection pads, 6 bolts, 7 mounting panels, 8 fixed pins, 9 fixed orificess, 10 signal receiver, 11 signal transmitter, 12 display lamps, 13 insulating pads, 14 fixed cover, 15 protection pads.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, an electric shock prevention screwdriver comprises a screwdriver handle 1, a screwdriver rod 2, a connecting mechanism, a fixing mechanism and an induction mechanism, wherein a mounting groove 3 is formed in the screwdriver handle 1, a connecting hole penetrating through the screwdriver handle 1 is formed in the tail end of the mounting groove 3, a protective pad 15 matched with the screwdriver rod 2 is arranged on the inner wall of the connecting hole, the connecting mechanism comprises a groove, an electric telescopic rod 4 and a connecting disc 5, the groove is formed in the inner wall of the mounting groove 3, which is far away from the side of the screwdriver handle 2, the electric telescopic rod 4 is mounted in the groove, the connecting disc 5 is welded at the tail end of the electric telescopic rod 4, the size of the connecting disc 5 is smaller than that of the mounting groove 3, the outer wall of one side of the connecting disc 5 is connected with the screwdriver rod 2, the connecting disc 5 is connected with the inner wall of the mounting groove 3 in a sliding manner, the electric telescopic rod 4 drives the connecting disc 5 to move, the length of the screwdriver is adjusted as required, compared with the traditional device, the length of the screwdriver can be reasonably adjusted according to the length of the screw to be disassembled and assembled, the screwdrivers with different lengths do not need to be prepared, the cost is saved, the carrying is convenient, and the practicability is high;

the connecting mechanism comprises a bolt 6, a mounting plate 7 and a fixing pin 8, the bolt 6 is rotatably mounted on the outer walls of two sides of the handle 1, the mounting plate 7 is rotatably mounted at the tail end of the bolt 6, the fixing pin 8 is welded outside the bottom of the mounting plate 7 at equal intervals, the mounting plate 7 is arc-shaped, the mounting plate 7 is matched with the cutter bar 2, the outer wall of the cutter bar 2 is provided with fixing holes 9 which are distributed at equal intervals and matched with the fixing pin 8, the sensing mechanism comprises a sensing groove, a signal receiver 10, a transmitting groove, a signal transmitter 11, a display groove and a display lamp 12, the sensing groove is formed in the outer wall of the bottom of the fixing pin 8, the signal receiver 10 is mounted inside the sensing groove, the transmitting groove is formed in the bottom of the fixing holes 9, the signal transmitter 11 is mounted in the transmitting groove, the display groove is formed in the outer wall of the handle 1, the display lamp 12 is mounted in the inner wall of the display groove, and the signal receiver 10 is connected with a controller through a wire, the controller is connected with the display lamp 12 through a wire, when the signal receiver 10 receives a signal transmitted by the signal transmitter 11, the prompting lamp 12 is lightened to prompt, and at the moment, the rotating bolt 6 drives the mounting plate 7 to move to insert the fixing pin 8 into the fixing hole 9 to fix the cutter bar;

handle of a

knife

1 and 2 outer walls of cutter arbor all are provided with insulating pad 13, and insulating pad 13 respectively with handle of a knife 1, cutter arbor 2,

bolt

6, 12 looks adaptations of display lamp, insulating pad 13 outer wall is opened has the friction groove of equidistance distribution, 2 outer walls of cutter arbor are opened there is the spout, and spout length is less than 2 lengths of cutter arbor, and spout inner wall sliding connection has fixed cover 14, fixed

cover

14 and 2 looks adaptations of cutter arbor, when carrying out the dismantlement of screw, move fixed cover 14 to the terminal screw entangling that will need the installation of cutter arbor 2, prevent that the screw from removing when the installation, keep the stability of screw, reduce the screw and dismantle the degree of difficulty, insulating pad 13 protects handle of a knife 1 and cutter arbor 2 simultaneously, prevents to electrocute.

The working principle is as follows: according to the utility model, the electric telescopic rod 4 drives the connecting disc 5 to move, the length of the screwdriver is adjusted as required, when the length of the screwdriver is adjusted, and the signal receiver 10 receives a signal transmitted by the signal transmitter 11, the prompting lamp 12 is lightened to prompt, at the moment, the mounting plate 7 is driven to move by the rotating bolt 6, the fixing pin 8 is inserted into the fixing hole 9 to fix the screwdriver rod, compared with the traditional device, the length of the screwdriver can be reasonably adjusted according to the length of the screw to be disassembled and assembled, the screwdrivers with different lengths are not required to be prepared, the cost is saved, the carrying is convenient, the practicability is high, when the screw is disassembled, the fixing sleeve 14 is moved to the tail end of the screwdriver rod 2 to sleeve the screw to be assembled, the screw is prevented from moving during the assembling, the stability of the screw is maintained, the disassembling difficulty of the screw is reduced, and meanwhile, the insulating pad 13 protects the handle 1 and the screwdriver rod 2 to prevent electric shock.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides an electric shock prevention screwdriver, includes handle of a knife (1), cutter arbor, coupling mechanism, fixed establishment, response mechanism, a serial communication port, handle of a knife (1) is inside to be opened there is mounting groove (3), and mounting groove (3) end is opened there is the connecting hole that runs through handle of a knife (1), and the connecting hole inner wall is provided with and fills up (15) with the protection of cutter arbor looks adaptation, coupling mechanism is including offering in mounting groove (3) the recess of keeping away from handle of a knife one side inner wall, installing in inside electric telescopic handle (4) of recess, welding in terminal connection pad (5) of electric telescopic handle (4), and connection pad (5) size is less than mounting groove (3) size, connection pad (5) one side outer wall is connected with the cutter arbor, and connection pad (5) and mounting groove (3) inner wall sliding connection.

2. The screwdriver according to claim 1, wherein the connecting mechanism comprises bolts (6) rotatably mounted on the outer walls of the two sides of the screwdriver handle (1), a mounting plate (7) rotatably mounted at the tail ends of the bolts (6), and fixing pins (8) welded outside the bottom of the mounting plate (7) at equal intervals.

3. The screwdriver according to claim 2, wherein the mounting plate (7) is arc-shaped, the mounting plate (7) is matched with the screwdriver rod, and fixing holes (9) matched with the fixing pins (8) are formed in the outer wall of the screwdriver rod and distributed at equal intervals.

4. The screwdriver according to claim 1, wherein the sensing mechanism comprises a sensing groove formed in the outer wall of the bottom of the fixing pin (8), a signal receiver (10) arranged in the sensing groove, a transmitting groove formed in the bottom of the fixing hole (9), a signal transmitter (11) arranged in the inner wall of the transmitting groove, a display groove formed in the outer wall of the screwdriver handle (1), and a display lamp (12) arranged in the inner wall of the display groove.

5. The screwdriver as claimed in claim 4, wherein the signal receiver (10) is connected with a controller through a wire, and the controller is connected with the display lamp (12) through a wire.

6. The electric shock preventing screwdriver according to claim 1, wherein the outer walls of the screwdriver handle (1) and the screwdriver rod are respectively provided with an insulating pad (13), the insulating pads (13) are respectively matched with the screwdriver handle (1), the screwdriver rod, the bolt (6) and the display lamp (12), and the outer wall of each insulating pad (13) is provided with friction grooves which are distributed at equal intervals.

7. The screwdriver as claimed in claim 1, wherein the outer wall of the screwdriver rod is provided with a sliding groove, the length of the sliding groove is less than that of the screwdriver rod, the inner wall of the sliding groove is slidably connected with a fixing sleeve (14), and the fixing sleeve (14) is matched with the screwdriver rod.