CN108515482A

CN108515482A - Phillips screwdriver suitable for Multiple Type screw

Info

Publication number: CN108515482A
Application number: CN201810518758.2A
Authority: CN
Inventors: 王昕垚; 朱远哲
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-05-25
Filing date: 2018-05-25
Publication date: 2018-09-11

Abstract

Phillips screwdriver suitable for Multiple Type screw, including hilt, first knife bar, second knife bar, adjusting rod and four groups of cutter head parts, the lower end of hilt is fixedly connected with the upper end of the first knife bar, the lower end of first knife bar is connect by connecting box with the upper end of the second knife bar, the lower part of first knife bar, the inside of second knife bar is hollow structure, four sides of connection box offer perforation, in connection box adjusting nut is rotatably connected to by two thrust bearings, two thrust bearings are located at the both sides up and down of adjusting nut, the axis of thrust bearing is arranged in vertical；The present invention is moved up and down by adjusting rod, drives the folding of four groups of cutter head parts, to change cutter head bottom state, to be adapted to the bolt or screw of different model, overall construction design is reasonable, easy to operate, highly practical.

Description

Phillips screwdriver suitable for Multiple Type screw

Technical field

The present invention relates to a kind of Phillips screwdrivers suitable for Multiple Type screw.

Background technology

With the fast development of science and technology, the type and model of various brightworks are also more and more, screw The structure of knife is developed out various each also with changing by the Simple screwdriver for being initially equipped with the knife bar of cutter head and hilt forms The screwdriver of sample, but when installing or removing different components, because the type and size of bolt are different, therefore user needs to use The screwdriver of different model, i.e. user need to lay in the screwdriver of the cutter head of multiple and different sizes, such troublesome in poeration, user It needs replacing and selects replacement screwdriver, it is inconvenient to use.

Invention content

The present invention in order to solve shortcoming in the prior art, provide it is a kind of it is easy to use, be adapted to different shaped Number bolt the Phillips screwdriver suitable for Multiple Type screw.

In order to solve the above technical problems, the present invention adopts the following technical scheme that：Cross spiral shell suitable for Multiple Type screw Silk knife, including hilt, the first knife bar, the second knife bar, adjusting rod and four groups of cutter head parts, the lower end of hilt are upper with the first knife bar End is fixedly connected, and the lower end of the first knife bar is connect by connecting box with the upper end of the second knife bar, the lower part of the first knife bar, the second knife The inside of bar is hollow structure, and four sides for connecting box offer perforation, are forwarded by two thrust axis in connection box Dynamic to be connected with adjusting nut, two thrust bearings are located at the both sides up and down of adjusting nut, and the axis of thrust bearing is along vertical Direction is arranged, and the excircle side of adjusting nut, which corresponds to, outwardly protrudes four perforation, and adjusting rod is screw-rod structure, and adjusting rod is coaxial Line is plugged in the second knife bar, and the top of adjusting rod is upward through connection box and extend into the lower part of the first knife bar, adjusts spiral shell Box thread is connected on adjusting rod, and the lower end of adjusting rod is pierced by downwards the lower end of the second knife bar, the lower end rotation of adjusting rod It is connected with mounting ring；

Four groups of cutter head parts are arranged in the second knife bar lower end and are arranged around the axis circular array of the second knife bar, every group of cutter head part Including cutter head and hinged seat, hinged seat is fixed on the lower end outer wall of the second knife bar, and cutter head shape is of an L-shaped structure, cutter head it is upper End is hinged on hinged seat, and the bottom of cutter head is in flat structure through grinding and its outer profile is multistage wire shaped, multistage wire shaped Be formed by connecting for a plurality of line segment, be equipped with pull rod between the medial surface and mounting ring of cutter head, pull rod and cutter head, pull rod and mounting ring it Between connection relation be hinged.

Connection box is fixedly connected on the upper end of the second knife bar, connects and is fixedly connected with connecting square pipes at the top of box, the first knife The lower part of bar is quadrangular shape, and the lower end of the first knife bar is inserted into connecting square pipes, if the lower end of the first knife bar by Dry sunk screw is connect with connecting square pipes, and sunk screw inner end coordinates with the first knife bar top pressure.

Mounting ring is set in the lower end of adjusting rod, and the lower thread of adjusting rod is connected with for being limited to mounting ring Stop nut.

Above-mentioned technical proposal is used, the invention has the advantages that：The present invention can be to the cross of different model Bolt is operated, and when needing to operate the bolt of big model, by stirring adjusting nut, adjusting nut rotation drives Adjusting rod moves down, to which mounting ring is expanded outward by pull rod band dynamic cutter head, the distance from bottom of the cutter head of four groups of cutter head parts Become larger, to adapt to the bolt of big model, when needing the cross bolt to ting model to operate, by stirring adjusting spiral shell Mother, adjusting nut rotation drive adjusting rod to move up, to which mounting ring is inwardly shunk by pull rod band dynamic cutter head, four groups of cutter heads The cutter head distance from bottom of part becomes smaller, to adapt to the bolt of ting model；Other first knife bar is connected to by dismountable mode It connects on box, such connection type the first knife bar easy to disassemble, to facilitate the storage present invention, is in addition convenient for changing various outer diameter Hilt, hilt is thicker, and operator is more laborsaving when turning bolt；

The present invention is moved up and down by adjusting rod, drives the folding of four groups of cutter head parts, to change cutter head bottom state, with suitable Should be in the bolt or screw of different model, overall construction design is reasonable, easy to operate, highly practical.

Description of the drawings

Fig. 1 is the structural schematic diagram of the present invention；

Fig. 2 is the connection diagram between the first knife bar, connection box and the second knife bar；

Fig. 3 is the assembling schematic diagram of adjusting rod and adjusting nut；

Fig. 4 is the enlarged drawing at H in Fig. 3.

Specific implementation mode

As shown in Figs 1-4, the Phillips screwdriver suitable for Multiple Type screw of the invention, including hilt 1, the first knife bar 2, the second knife bar 3, adjusting rod 4 and four groups of cutter head parts 5, the lower end of hilt 1 are fixedly connected with the upper end of the first knife bar 2, and first The lower end of knife bar 2 is connect by connecting box 6 with the upper end of the second knife bar 3, and the lower part of the first knife bar 2, the inside of the second knife bar 3 are equal Four sides for hollow structure, connection box 6 offer perforation, are rotatably connected to by two thrust bearings 7 in connection box 6 Adjusting nut 8, two thrust bearings 7 are located at the both sides up and down of adjusting nut 8, and the axis of thrust bearing 7 is vertically Setting, the excircle side of adjusting nut 8, which corresponds to, outwardly protrudes four perforation, and adjusting rod 4 is screw-rod structure, and adjusting rod 4 is coaxial Line is plugged in the second knife bar 3, and the top of adjusting rod 4 is upward through connection box 6 and extend into the lower part of the first knife bar 2, adjusts Section nut 8 is threaded on adjusting rod 4, and the lower end of adjusting rod 4 is pierced by downwards the lower end of the second knife bar 3, under adjusting rod 4 End is rotatably connected to mounting ring 9, and connection box is using upper and lower two parts composition, to facilitate adjusting nut 8 and thrust bearing 7 Installation；

Four groups of cutter head parts 5 are arranged in 3 lower end of the second knife bar and are arranged around the axis circular array of the second knife bar 3, every group of knife Head 5 includes cutter head 10 and hinged seat 11, and hinged seat 11 is fixed on the lower end outer wall of the second knife bar 3, and 10 shape of cutter head is L-shaped The upper end of structure, cutter head 10 is hinged on hinged seat 11, and the bottom of cutter head 10 is in flat structure through grinding and its outer profile is more Section wire shaped, multistage wire shaped are that a plurality of line segment is formed by connecting, and pull rod 12 is equipped between the medial surface and mounting ring 9 of cutter head 10, Connection relation between pull rod 12 and cutter head 10, pull rod 12 and mounting ring 9 is hinged.

Connection box 6 is fixedly connected on the upper end of the second knife bar 3, and the top of connection box 6 is fixedly connected with connecting square pipes 13, the The lower part of one knife bar 2 is quadrangular shape, and the lower end of the first knife bar 2 is inserted into connecting square pipes 13, the lower end of the first knife bar 2 Portion is connect by several sunk screws 14 with connecting square pipes 13, and 14 inner end of sunk screw coordinates with 2 top pressure of the first knife bar.

Mounting ring 9 is set in the lower end of adjusting rod 4, and the lower thread of adjusting rod 4 is connected with for being carried out to mounting ring 9 The stop nut 15 of limit.

The present invention can operate the cross bolt of different model, when needs operate the bolt of big model When, by stirring adjusting nut 8, the rotation of adjusting nut 8 drives adjusting rod 4 to move down, to which mounting ring 9 passes through 12 band of pull rod Dynamic cutter head 10 expands outward, and the distance from bottom of the cutter head 10 of four groups of cutter head parts 5 becomes larger, and to adapt to the bolt of big model, works as needs When being operated to the cross bolt of ting model, by stirring adjusting nut 8, the rotation of adjusting nut 8 drives adjusting rod 4 upward It is mobile, to mounting ring 9 by pull rod 12 with dynamic cutter head 10 to contract, 10 distance from bottom of cutter head of four groups of cutter head parts 5 becomes smaller, To adapt to the bolt of ting model.

The present embodiment is not to be made any form of restriction to shape, material, the structure etc. of the present invention, every according to this hair Bright technical spirit belongs to the technology of the present invention side to any simple modification, equivalent change and modification made by above example The protection domain of case.

Claims

1. the Phillips screwdriver suitable for Multiple Type screw, it is characterised in that：Including hilt, the first knife bar, the second knife bar, adjust Pole and four groups of cutter head parts, the lower end of hilt are fixedly connected with the upper end of the first knife bar, and the lower end of the first knife bar passes through connection Box is connect with the upper end of the second knife bar, the lower part of the first knife bar, the second knife bar inside be hollow structure, connect four of box Side offers perforation, and connection box is interior to be rotatably connected to adjusting nut, two thrust bearings difference by two thrust bearings Positioned at the both sides up and down of adjusting nut, the axis of thrust bearing is arranged in vertical, and the excircle side of adjusting nut corresponds to Outwardly protrude four perforation, adjusting rod is screw-rod structure, and adjusting rod coaxial line is plugged in the second knife bar, the top of adjusting rod to On box and extend into the lower part of the first knife bar across connection, adjusting nut is threaded on adjusting rod, the lower end of adjusting rod Portion is pierced by downwards the lower end of the second knife bar, and the lower end of adjusting rod is rotatably connected to mounting ring；

2. the Phillips screwdriver according to claim 1 suitable for Multiple Type screw, it is characterised in that：Connection box is fixed It is connected to the upper end of the second knife bar, connects and is fixedly connected with connecting square pipes at the top of box, the lower part of the first knife bar is four prism type The lower end of shape, the first knife bar is inserted into connecting square pipes, and the lower end of the first knife bar passes through several sunk screws and connection side Pipe connects, and sunk screw inner end coordinates with the first knife bar top pressure.

3. the Phillips screwdriver according to claim 1 suitable for Multiple Type screw, it is characterised in that：Mounting ring is arranged In the lower end of adjusting rod, the lower thread of adjusting rod is connected with the stop nut for being limited to mounting ring.