CN211053554U - Hardware screwdriver - Google Patents

Abstract

The utility model discloses a five metals screwdriver, including handle pole, tool bit, finger mould and rotation small dish, the tool bit is connected the lower extreme of handle pole, it includes middle back shaft, establishes the back shaft lower extreme is used for twisting the cross sword that moves the screw and establishes the erection column of back shaft upper end, the lower part outband screw thread of erection column, upper portion is smooth, the lower extreme of handle pole be equipped with the mounting groove that the installation cylindricality form matches, the backup pad is established to the cover on the lateral wall of back shaft, be equipped with in the backup pad and fix fixture block on the back shaft outer wall, the center department of finger mould bottom surface is equipped with the rotation recess, the center department through hole of rotation small dish, be equipped with on the hole edge of through hole with the bayonet socket that the fixture block shape matches. The screwdriver can be applied to narrow environments, can ensure the screw assembling and disassembling efficiency, and can disassemble and assemble tighter screws.

Description

Hardware screwdriver

Technical Field

The utility model relates to a hardware and tools field, concretely relates to five metals screwdriver.

Background

The screwdriver is a tool which is long and commonly used for loading and unloading screws in the field of hardware and generally consists of a long and straight rod body and a cross cutter at the end of the rod body, but in practice, the screws are not all assembled on the surface of a product, and a plurality of screws are arranged in narrow grooves or small gaps.

In view of the above situation, chinese utility model patent application No. 201821583617.0 provides a five metals screwdriver, the body of rod of this screwdriver is divided the pole by first minute pole and second and is formed through the round pin hub connection, screwdriver bit establishes the lower extreme that the pole was divided to the second, first minute pole and second divide the pole to be straight state under the normal condition, the same with conventional screwdriver, convenience and practicality, and when being applied to the screw of loading and unloading narrow environment, can divide first minute pole and second to buckle into the vertical state, the length of screwdriver pole has been shortened in other words, at this moment, only need to divide the pole to stretch into the second in the narrow environment vertical on the screw, then use first minute pole to rotate as the handle, realize loading and unloading screw. This patent application has indeed solved ordinary screwdriver's the body of rod overlength can not use the problem in narrow environment, has shortened the screwdriver pole through the mode of buckling and can stretch into narrow environment, can play the assembly effect to the screw. However, people who have used the screwdriver know that the cooperation between the screwdriver head and the screw is very unstable, and the screwdriver head and the screw must be guaranteed to be well matched when using, otherwise the screwdriver head and the screw become loose, and the screwdriver can not drive the screw to rotate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a five metals screwdriver to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hardware screwdriver, includes handle pole, tool bit, indicates the mould and rotates the small dish, the tool bit is connected the lower extreme of handle pole, and it includes middle back shaft, establishes the back shaft lower extreme is used for twisting the cross sword that moves the screw and establishes the erection column of back shaft upper end, the lower part outband screw thread of erection column, upper portion is smooth, the lower extreme of handle pole be equipped with the mounting groove that the installation cylindricality form matches, the mounting groove inner wall is equipped with the internal thread, fixed circular shape backup pad is established to the cover on the lateral wall of back shaft, be equipped with in the backup pad and fix the fixture block on the back shaft outer wall, indicate the mould and rotate the small dish and be flat disc structure, wherein, the center department of finger mould bottom surface be equipped with the diameter with the rotation recess that the erection column diameter is the same, the center department that rotates the small dish be equipped, and a bayonet matched with the fixture block in shape is arranged on the edge of the through hole.

According to the utility model discloses an embodiment, right five metals screwdriver, the inner wall of turning the recess is the smooth surface that has polished.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a five metals screwdriver, the tool bit is twisted under the normal condition and is connect in the mounting groove of handle pole lower extreme, whole screwdriver is straight state, the same with normal screwdriver, make things convenient for conventional use, and when the screw in the narrow environment of needs assembly, pull down the tool bit from the handle pole, earlier rotate the small dish cover on the back shaft of tool bit, make bayonet socket and fixture block good, then with the finger mould cover on the smooth part on the erection column upper portion of tool bit, because of the tool bit is short and small consequently can stretch into and erect on the screw in the narrow environment, the user presses down the finger with a finger, guarantee that the cross sword of tool bit and screw fit, another hand continuously rotates and rotates the small dish, can drive tool bit and screw rotation through rotating the small dish, realize the purpose of screw loading and unloading. This screwdriver is used when narrow environment, can guarantee through pressing of finger mould that the tool bit is good with the screw stable cooperation, and drives the tool bit through rotating the small dish and rotate and can make the rotation process more stable, conveniently exert oneself to improve the handling efficiency of screw, also can dismantle to the tighter screw of assembly.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the present invention applied in a narrow environment

FIG. 3 is a top view of the cutting head of the present invention;

FIG. 4 is a top view of the rotating disk of the present invention;

Detailed Description

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

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a hardware screwdriver, includes handle pole 1, tool bit, finger mould 2 and rotates frill 3, the tool bit is connected the lower extreme of handle pole 1, and it includes middle back shaft 4, establish 4 lower extremes of back shaft are used for twisting the cross sword 5 of moving the screw and establish erection column 6 of 4 upper ends of back shaft, the lower part outband screw thread of erection column 6, upper portion is smooth, the lower extreme of handle pole 1 be equipped with erection column 6 shape matching's mounting groove 7, the mounting groove 7 inner wall is equipped with the internal thread, the fixed circular shape backup pad 8 is established to the cover on the lateral wall of back shaft 4, be equipped with on the backup pad 8 and fix fixture block 9 on 4 outer wall of back shaft, finger mould 2 and rotation frill 3 are flat disc structure, wherein, the center department of finger mould 2 bottom surface be equipped with the diameter with the rotation recess 10 that 6 diameters are the same of erection column, a through hole 11 with the same diameter as that of the support shaft 4 is formed in the center of the small rotating disc 3, and a bayonet 12 matched with the fixture block 9 in shape is formed in the edge of the through hole 11.

The screwdriver is in a normal state as shown in figure 1, the finger die 2 and the small rotating disc 3 are not needed to be used at the time, the whole screwdriver is in a straight state like a conventional screwdriver and is convenient to use in a conventional mode, and a tool bit is screwed on the handle rod 1, so that the tool bit is only needed to be replaced when being damaged, the handle rod is not needed to be replaced, cost is saved, the tool bit and the handle rod are screwed in a spiral mode, in order to prevent the tool bit from loosening in the screw assembling and disassembling process, a radial hole can be formed in the position of the mounting column 6 on the tool bit, a radial pair of through holes are formed in the wall of the mounting groove 6 at the lower end of the handle rod 1, after the tool bit is installed in the mounting groove 6, a pin rod is inserted into the pair of through.

When the screwdriver is used in a narrow environment, as shown in fig. 2, a screwdriver head is detached from a handle rod 1, a rotating small disc 3 is firstly sleeved on a support shaft 4 to enable a clamping block 9 and a clamping opening 12 to be well clamped, then a rotating groove 10 at the bottom of a finger die 2 is sleeved at the upper end of an installation column 6, the screwdriver head can extend into a narrow space and be erected on a screw due to small length, after the screwdriver head is matched with the screw, a user presses the finger die 2 with one finger, and the upper end of the installation column 6 is smooth, so that the screwdriver head can be pressed on the screw by pressing the finger die 2, the two parts can be kept matched and stable, but the screwdriver head cannot be prevented from rotating, the other hand of the user rotates the rotating small disc 3, and the screwdriver head and the screw are driven to rotate by rotating the small disc 3.

This screwdriver is used and can be guaranteed tool bit and screw cooperation stably in narrow environment, and drives the tool bit through rotating the small dish and rotate, and the rotation process is more stable, is convenient for make power, consequently can improve the efficiency of screw loading and unloading, also can dismantle the tighter screw of assembly.

According to the utility model discloses an embodiment, right five metals screwdriver, the inner wall of turning recess 10 is the smooth surface that has polished.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (2)

1. The utility model provides a hardware screwdriver, includes handle pole, tool bit, indicates the mould and rotates the small dish, its characterized in that, the tool bit is connected the lower extreme of handle pole, and it includes middle back shaft, establishes the back shaft lower extreme is used for twisting the cross sword that moves the screw and establishes the erection column of back shaft upper end, the lower part outband screw thread of erection column, upper portion is smooth, the lower extreme of handle pole be equipped with the mounting groove that the installation cylindricality form matches, the mounting groove inner wall is equipped with the internal thread, fixed circular shape backup pad is established to the cover on the lateral wall of back shaft, be equipped with in the backup pad and fix the fixture block on the back shaft outer wall, indicate the mould and rotate the small dish and be flat disc structure, wherein, the center department of indicating the mould bottom surface be equipped with the diameter with the rotation recess that the erection column diameter is the same, the center department of rotating the small dish, and a bayonet matched with the fixture block in shape is arranged on the edge of the through hole.

2. The hardware screwdriver of claim 1, wherein the inner wall of said turning recess is a polished smooth surface.

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