CN211491277U

CN211491277U - Multifunctional screwdriver

Info

Publication number: CN211491277U
Application number: CN201922364181.7U
Authority: CN
Inventors: 招晓杰
Original assignee: Guangdong Power Grid Co Ltd; Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-09-15
Anticipated expiration: 2029-12-25

Abstract

The embodiment of the utility model discloses a multifunctional screwdriver, which comprises a tool shank seat and a tool bit seat fixedly connected with one side of the tool shank seat, wherein one side of the tool shank seat, which is far away from the tool bit seat, is provided with an auxiliary labor-saving device, and one side of the tool bit seat, which is far away from the tool bit seat, is connected with a screwdriver head through a limiting device; supplementary laborsaving device include with handle of a knife seat fixedly connected with threaded rod and threaded connection on the threaded rod rotate the seat, rotate the equal symmetry in one side that seat and handle of a knife seat are relative and install two supports, every all rotate on the support and be connected with the semicircle board, corresponding two through hinge connection between the semicircle board, the utility model discloses utilize the laborsaving principle of shaft, can expand the semicircle board to both sides and form the great shaft of diameter, and can use both hands to rotate the screwdriver, reach the purpose more laborsaving when unscrewing or screwing up the screw, can unscrew or screw up the screw that normal screwdriver can not unscrew or screw up.

Description

Multifunctional screwdriver

Technical Field

The embodiment of the utility model provides a relate to model test technical field, concretely relates to multifunctional screwdriver.

Background

A screwdriver, a tool for turning a screw to place it, usually has a thin wedge-shaped head that can be inserted into a slot or recess of the head of the screw, and the screwdriver uses the working principle of the axle when turning the screw, and it is more labor-saving when the axle is larger, i.e. it is more labor-saving when the screwdriver handle is thicker.

The screwdriver has been developed into present multi-functional removable tool bit from the fixed tool bit of single function just beginning, can change the tool bit at will and need not change different screwdrivers because of the difference of screw, convenient to carry not only has saved the cost of changing the handle of a knife, but the theory of operation of current screwdriver has all utilized the theory of operation of shaft, and the handle of a knife can not make the diameter big enough owing to the reason of use and cost, reach enough laborsaving purpose, when twisting some rusty screws or screwing up some and screw hole cooperation relatively poor screw, the handle of a knife can not enough laborsaving reach the purpose of unscrewing rusty screw or screwing up, therefore, can design a multi-functional screwdriver, can comparatively reach more laborsaving purpose.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a multifunctional screwdriver has solved the handle of a knife that handheld current screwdriver is not enough to twist and moves some rusty screw or screw up and the relatively poor screw of screw hole cooperation precision problem.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:

a multifunctional screwdriver comprises a tool shank base and a tool bit base fixedly connected with one side of the tool shank base, wherein an auxiliary labor-saving device is arranged on one side, away from the tool bit base, of the tool bit base, and one side, away from the tool shank base, of the tool bit base is connected with a screwdriver bit through a limiting device;

the auxiliary labor-saving device comprises a threaded rod fixedly connected with the handle seat and a rotating seat in threaded connection with the threaded rod, two supports are symmetrically arranged on one side, opposite to the handle seat, of the rotating seat, the two supports are located on the rotating seat and are in sliding connection with the rotating seat, each support is rotatably connected with a semicircular plate, and the semicircular plates correspond to each other through hinges.

As a preferred scheme of the utility model, rotate seat one side and seted up annular spout, corresponding two support sliding connection is in annular spout, it is equipped with anti-skidding line to rotate the seat surface.

As an optimized scheme of the utility model, the one end fixedly connected with visor of handle seat is kept away from to the threaded rod, it has the rubber layer to connect on the visor.

As an optimized proposal of the utility model, the screwdriver head is divided into a head part and a cutter bar part, the cutter bar part is connected with a cutter head seat.

As a preferred scheme of the utility model, stop device is including setting up the thread groove on the tool bit seat and the spacing seat of threaded connection in the thread groove, regular polygon groove has been seted up to the thread groove bottom, just spacing seat and the interior regular polygon groove of plug-in are run through to cutter arbor portion one end, fixedly connected with limiting plate on the cutter arbor portion, just the limiting plate is located between spacing seat and the thread groove bottom.

As an optimized scheme of the utility model, one side fixedly connected with handheld portion of thread groove is kept away from to spacing seat, just handheld portion surface roughness.

The utility model discloses an embodiment has following advantage:

the utility model discloses utilize the laborsaving principle of shaft, can expand the semicircle board to both sides and form the great shaft of diameter, and can use both hands to rotate the screwdriver, reach the more laborsaving purpose when unscrewing or screwing up the screw, can unscrew or screw up the screw that normal screwdriver can not unscrew or screw up.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

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

fig. 2 is a schematic structural view of a limiting device according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a rotary base according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional structure view of an auxiliary labor-saving device in an embodiment of the present invention.

In the figure:

1-a tool shank seat; 2-auxiliary labor-saving device; 3-a protective cover; 4-a limiting device; 5-screwdriver head; 6-tool bit seat;

201-a semicircular plate; 202-a threaded rod; 203-a rotating seat; 204-support; 205-hinge; 206-annular chute;

401-a hand-held portion; 402-a limiting seat; 403-regular polygonal groove; 404-thread groove; 405-a limiting plate.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The principle of current screwdriver is the theory of operation according to the shaft, but the handle of a knife of screwdriver is generally not too thick, to some rusty screws or the surface dirty make with the relatively poor screw of screw hole cooperation, can not reach the purpose of unscrewing or screwing up, the utility model discloses can comparatively laborsaving twist to these screws and move, concrete implementation is as follows:

as shown in fig. 1 to 4, the utility model provides a multifunctional screwdriver, which comprises a handle base 1 and a tool bit base 6 fixedly connected with one side of the handle base 1, wherein one side of the handle base 1, which is far away from the tool bit base 6, is provided with an auxiliary labor-saving device 2, and one side of the tool bit base 6, which is far away from the handle base 1, is connected with a screwdriver bit 5 through a limiting device 4;

supplementary laborsaving device 2 includes with handle of a knife 1 fixedly connected with threaded rod 202 and with threaded rod 202 threaded connection's rotation seat 203, rotates the equal symmetry in one side that seat 203 and handle of a knife 1 are relative and installs two supports 204, and is located two supports 204 on rotating seat 203 and rotates seat 203 sliding connection, all rotates on every support 204 and is connected with semicircle board 201, connects through hinge 205 between two semicircle boards 201 that correspond.

An annular sliding groove 206 is formed in one side of the rotating seat 203, the two corresponding supports 204 are connected in the annular sliding groove 206 in a sliding mode, and anti-skidding threads are arranged on the surface of the rotating seat 203.

One end of the threaded rod 202 far away from the knife handle seat 1 is fixedly connected with a protective cover 3, and a rubber layer is glued on the protective cover 3.

The screwdriver head 5 is divided into a head part and a shank part, and the shank part is connected with the head seat 6.

The limiting device 4 comprises a thread groove 404 arranged on the tool bit seat 6 and a limiting seat 402 in threaded connection with the thread groove 404, a regular polygonal groove 403 is formed in the bottom of the thread groove 404, one end of the tool bar penetrates through the limiting seat 402 and is inserted in the regular polygonal groove 403, a limiting plate 405 is fixedly connected to the tool bar, and the limiting plate 405 is located between the limiting seat 402 and the bottom of the thread groove 404.

The hand-held part 401 is fixedly connected to one side of the limiting seat 402 far away from the thread groove 404, and the surface of the hand-held part 401 is rough.

The utility model discloses need explain further, the utility model discloses the outward appearance is similar with normal multi-functional screwdriver, and screwdriver bit 5 is installed through stop device 4 to one end, and the other end is equipped with supplementary laborsaving device 2, selects required screwdriver bit 5 according to the screw during use at first, inserts screwdriver bit 5's the one end of the blade pole portion in tool holder 6 after selecting, and limiting plate 405 on the tool pole portion is located thread groove 404 and offsets with the interior bottom of thread groove 404, then overlaps spacing seat 402 cover on the blade pole portion and the screw thread interlock is screwed tightly into thread groove 404, and spacing seat 402 one side closely offsets with limiting plate 405 to install screwdriver bit 5 on tool holder 6;

then, the using mode is selected according to the condition of the screw, when the screw can be normally screwed or unscrewed, the screw is directly screwed or unscrewed by using a screwdriver, when the screw cannot be easily screwed due to rusting or long-time occlusion with a threaded hole, the auxiliary labor-saving device 2 is needed to be used, the rotating seat 203 is rotated, and the two semicircular plates 201 are slightly shifted outwards by hands, so that the semicircular plates 201 gradually rotate around the corresponding supports 204 under the rotation of the rotating seat 203, the rotation is stopped when the rotating seat 203 moves along the threaded rod 202 to abut against the two supports 204, at the moment, the four semicircular plates 201 all rotate 90 degrees, the two semicircular plates 201 connected by the hinge 205 are changed into side abutment from end abutment, a finished cylinder with a hollow inner part is formed, two longer handheld rod parts are formed at the two sides of the knife handle seat 1, then the corresponding part held by two hands is rotated to screw the screw, for the specific reason, the thickness of the handle part of the original screwdriver is changed by the rod part formed by the two semicircular plates 201, that is, the size of the wheel shaft is changed, and the larger the wheel shaft is, the more labor is saved, so that the auxiliary labor saving device 2 can be used for screwing the screws which cannot be screwed before, and after the auxiliary labor saving device is used, the semicircular plates 201 can be restored to the original shape through the rotating seat 203 and used as a normal multifunctional screwdriver.

The anti-skidding lines arranged on the rotating seat 203 enable the rotating seat to be easier to rotate, the sliding caused by hand sweat or water stain is avoided, the protective cover 3 is arranged to prevent the end part of the threaded rod 202 from being abraded, the rubber layer is arranged on the protective cover 3 to prevent the palm of a hand from being abraded by the protective cover 3 when the protective cover is used, and a certain protection effect is achieved.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The multifunctional screwdriver is characterized by comprising a screwdriver handle seat (1) and a screwdriver head seat (6) fixedly connected with one side of the screwdriver handle seat (1), wherein an auxiliary labor-saving device (2) is arranged on one side, away from the screwdriver head seat (6), of the screwdriver handle seat (1), and one side, away from the screwdriver handle seat (1), of the screwdriver head seat (6) is connected with a screwdriver head (5) through a limiting device (4);

supplementary laborsaving device (2) include with handle of a knife seat (1) fixed connection's threaded rod (202) and with threaded rod (202) threaded connection's rotation seat (203), rotate the equal symmetry in one side that seat (203) and handle of a knife seat (1) are relative and install two supports (204), and be located rotate two supports (204) on seat (203) and rotate seat (203) sliding connection, every all rotate on support (204) and be connected with semicircle board (201), two that correspond connect through hinge (205) between semicircle board (201).

2. The multifunctional screwdriver according to claim 1, wherein one side of the rotating seat (203) is provided with an annular sliding groove (206), two corresponding supports (204) are slidably connected in the annular sliding groove (206), and the surface of the rotating seat (203) is provided with anti-slip patterns.

3. A multifunctional screwdriver according to claim 1, characterized in that a protective cover (3) is fixedly connected to the end of the threaded rod (202) far away from the screwdriver base (1), and a rubber layer is glued on the protective cover (3).

4. A screwdriver according to claim 1, wherein said screwdriver bits (5) are divided into a bit portion and a shank portion, said shank portion being connected to said bit holder (6).

5. The multifunctional screwdriver according to claim 4, wherein the limiting device (4) comprises a threaded groove (404) arranged on the screwdriver head seat (6) and a limiting seat (402) in threaded connection with the threaded groove (404), a regular polygonal groove (403) is formed in the bottom of the threaded groove (404), one end of the screwdriver rod penetrates through the limiting seat (402) and is inserted into the regular polygonal groove (403), a limiting plate (405) is fixedly connected to the screwdriver rod, and the limiting plate (405) is located between the limiting seat (402) and the bottom of the threaded groove (404).

6. The multifunctional screwdriver according to claim 5, wherein a hand-held part (401) is fixedly connected to one side of the limiting seat (402) far away from the thread groove (404), and the surface of the hand-held part (401) is rough.