CN208262710U - Phillips screwdriver suitable for Multiple Type screw - Google Patents

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, adjusting nut is rotatably connected to by two thrust bearings in connection box, two thrust bearings are located at the two sides up and down of adjusting nut, the axis of thrust bearing is arranged in vertical；The utility model 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, practical.

Description

Phillips screwdriver suitable for Multiple Type screw

Technical field

The utility model relates to a kind of Phillips screwdrivers suitable for Multiple Type screw.

Background technique

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 need using 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.

Utility model content

The utility model in order to solve shortcoming in the prior art, provide it is a kind of it is easy to use, be adapted to not With the Phillips screwdriver suitable for Multiple Type screw of the bolt of model.

In order to solve the above technical problems, the utility model adopts the following technical solution: ten suitable for Multiple Type screw Word screwdriver, including hilt, the first knife bar, the second knife bar, adjusting rod and four groups of cutter head parts, the lower end of hilt and the first knife bar Upper end be fixedly connected, 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 The inside of two knife bars is hollow structure, and four sides for connecting box offer perforation, passes through two thrust axis in connection box It holds and is rotatably connected to adjusting nut, two thrust bearings are located at the two sides up and down of adjusting nut, the axis edge of thrust bearing The excircle side correspondence of vertical direction setting, adjusting nut outwardly protrudes four perforation, and adjusting rod is screw-rod structure, adjusting rod 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, is adjusted Section nut 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 of adjusting rod It is rotatably connected to mounting ring；

Four groups of cutter head parts are arranged in the second knife bar lower end and arrange around the axis circular array of the second knife bar, every group of knife Head includes cutter head and hinged seat, and 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 Upper end be hinged on hinged seat, the bottom of cutter head is multistage wire shaped, multi-section-line in flat structure and its outer profile through grinding Shape is that a plurality of line segment is formed by connecting, and pull rod, pull rod and cutter head, pull rod and installation are equipped between the medial surface and mounting ring of cutter head Connection relationship between ring is 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 passes through Dry sunk screw is connect with connecting square pipes, and sunk screw inner end and the press of the first knife bar cooperate.

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

By adopting the above technical scheme, the utility model has the following beneficial effects: the utility model can be to different model Cross bolt operated, when need the bolt of big model is operated when, by stirring adjusting nut, adjusting nut Rotation drives adjusting rod to move down, so that mounting ring is expanded outward by pull rod band dynamic cutter head, the cutter head of four groups of cutter head parts Distance from bottom becomes larger, to adapt to the bolt of big model, when needing the cross bolt to ting model to operate, by stirring Adjusting nut, adjusting nut rotation drive adjusting rod to move up, so that mounting ring is inwardly shunk by pull rod band dynamic cutter head, four The cutter head distance from bottom of group cutter head part becomes smaller, to adapt to the bolt of ting model；Other first knife bar is connected by dismountable mode It connects on connection box, in addition such connection type the first knife bar easy to disassemble is convenient for changing to facilitate storage the utility model The hilt of various outer diameter, hilt is thicker, and operator is more laborsaving when turning bolt；

The utility model is moved up and down by adjusting rod, the folding of four groups of cutter head parts is driven, 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, practical.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the connection schematic 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 in Fig. 3 at H.

Specific embodiment

As shown in Figs 1-4, the Phillips screwdriver suitable for Multiple Type screw of the utility model, including hilt 1, 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, The lower end of first knife bar 2 by connect box 6 connect with the upper end of the second knife bar 3, the lower part of the first knife bar 2, the second knife bar 3 it is interior Portion is hollow structure, and four sides of connection box 6 offer perforation, is connected in connection box 6 by two rotations of thrust bearing 7 It is connected to adjusting nut 8, two thrust bearings 7 are located at the two sides up and down of adjusting nut 8, and the axis of thrust bearing 7 is along vertical Direction setting, the excircle side of adjusting nut 8 is corresponding to outwardly protrude four perforation, and adjusting rod 4 is screw-rod structure, adjusting rod 4 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 Interior, adjusting 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, adjusting rod 4 lower end is rotatably connected to mounting ring 9, and connection box is formed using upper and lower two parts, to facilitate adjusting nut 8 and thrust axis Hold 7 installation；

Four groups of cutter head parts 5 are arranged in 3 lower end of the second knife bar and arrange around the axis circular array of the second knife bar 3, often Group cutter head part 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 3,10 shape of cutter head It is of an L-shaped structure, the upper end of cutter head 10 is hinged on hinged seat 11, and the bottom of cutter head 10 is in flat structure and its outer profile through grinding For multistage wire shaped, multistage wire shaped is that a plurality of line segment is formed by connecting, and pull rod is equipped between the medial surface and mounting ring 9 of cutter head 10 12, the connection relationship 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 and the press of the first knife bar 2 cooperate.

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 carrying out to mounting ring 9 The stop nut 15 of limit.

The utility model can the cross bolt to different model operate, when needing to carry out to the bolt of big model When operation, by stirring adjusting nut 8, the rotation of adjusting nut 8 drives adjusting rod 4 to move down, so that mounting ring 9 passes through pull rod 12 band dynamic cutter heads 10 expand outward, and the distance from bottom of the cutter head 10 of four groups of cutter head parts 5 becomes larger, to adapt to the bolt of big model, when When needing to operate the cross bolt of ting model, by stirring adjusting nut 8, the rotation of adjusting nut 8 drives adjusting rod 4 Move up, thus 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 Become smaller, to adapt to the bolt of ting model.

The present embodiment not makes any form of restriction the shape of the utility model, material, structure etc., all foundations The technical essence of the utility model any simple modification, equivalent change and modification to the above embodiments, belong to this reality With the protection scope of new technique scheme.

Claims (3)

1. being suitable for the Phillips screwdriver of 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 two sides up and down of adjusting nut, the axis of thrust bearing is arranged in vertical, and the excircle side of adjusting nut is corresponding 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；

Four groups of cutter head parts are arranged in the second knife bar lower end and arrange 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 multistage wire shaped, multistage wire shaped in flat structure and its outer profile through grinding 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 relationship be hinged.

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 connection, sunk screw inner end and the press of the first knife bar cooperate.

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.