CN2638929Y

CN2638929Y - Screw driver

Info

Publication number: CN2638929Y
Application number: CN 03277055
Authority: CN
Inventors: 高龙飞; 姚锁立
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-07-21
Filing date: 2003-07-21
Publication date: 2004-09-08
Anticipated expiration: 2013-07-21

Abstract

The utility model A new screwdriver. According to the International Patent Classification(IPC), the utility model is fallen into the technology fields as operation, transport department and formation branch department, and other classifications not including hand holding cutting tool sub classification, as well as manual cutter group with fixed cutting blade. The aim of the utility model is to solve the technical problems that the common screwdriver is blanked out in case that the cutting head is failed, and the damaged cutting head is inconvenient in operation, thus wasting components and parts. The utility model is mainly consisting of a plug, a handle, a connecting handle, a joint, and a slot body, a connecting core, a knifepoint and a bolt, which are characterized in that: the tail end of the handle is sleeved at the front of the plug, while the other end is welded on one end of the connecting handle; and one end of the joint is welded at one end of the connecting handle, and the square hole of the joint is sleeved on the connecting core of the knifepoint; while the back slot of the slot body is welded at one end of the connecting core, whereas the connecting core is wholly arranged in the square hole of the joint. The utility model has wide application range, simple manufacture and easy publicity.

Description

Novel screwdriver

(1) technical field:

The utility model relates to novel screwdriver, divides by International Patent Classification (IPC) (IPC) to belong to operation, Department of Transportation, moulding branch, hand cutting tool, cut off big class, other class hand-held cutting tool group not to be covered has the hand knife technical group field of fixed blade.

(2) background technology:

At present, the technology about hand knife group that fixed blade is arranged existing and that once had was all done very fruitful effort to the demand of novel screwdriver, also once designed many outstanding technical schemes.As declaring of the Decree of Patent Office of China on the 23rd October in 2002 by Wu Yuewei, Granted publication is CN2517553Y, China Patent No. (ZL) is: No. 02215058.7 utility model patent title is the utility model patent of " heavy cutter ", the technical scheme that is adopted.Technical elements in the hand knife group that fixed blade is arranged is a routine of great value invention, and it has solved the technical problem that just can change blade without instrument rapidly effectively.But still have some deficits, it also is difficult to solve the normal screws cutter head and has broken the just calcellation of whole screwdriver, difficult use that cutter head is bald, the technical problem of waste part.

(3) summary of the invention:

The purpose of this utility model is to provide a kind of novel screwdriver.The just calcellation of whole screwdriver, difficult use that cutter head is bald, the technical problem of waste part have been broken to solve the normal screws cutter head.

The novel screwdriver that the new technical scheme that above-mentioned technical problem to be solved in the utility model adopted is achieved in that this utility model mainly by: stopper, handle, connect handle, joint, groove body, connection-core, point of a knife, screw and constitute.Its major part stopper, company's handle, connection-core, point of a knife, screw are selected for use by market.Its handle is the cavity cylindrical shape, is material with the aluminium alloy, through the machining manufacturing.Its joint is the square hole cylindrical shape, is material with the aluminium alloy, through the machining manufacturing.Its groove body is the trough of belt truncated conical shape, is material with the high-strength steel, through the machining manufacturing.

In shape, structure and combination thereof, the total essential features of novel screwdriver of the present utility model and immediate prior art is: the terminal position casting of point of a knife is connected the front position of handle, the back-end location that connects handle is welded on the front position of handle, be combined into the fixed connection structure of big awl shape, function has been the turn of the screw, the effect of sled object.In shape, structure and combination thereof, the novel screwdriver of the present utility model technical characterictic different with immediate prior art is: the terminal position of handle is socketed in the forward position of stopper, the other end position of handle is welded on an end position that connects handle, be combined into the storage structure of big awl shape, function has been to hold, storage, the effect of blocking.One end position of joint is welded on an end position that connects handle, and the square hole position of joint is socketed in the connection-core position of point of a knife, is combined into the socket removable structure that cylinder connects shape, and function has been the effect of the interchangeable point of a knife size of the turn of the screw.The back-trough end position of groove body is welded on an end position of connection-core, and the integral position perforation of connection-core is installed in the square hole position of joint, is combined into the removable structure of trough of belt cylindrical shape, and function has been the effect of stubborn burr screw.So just realized that novel screwdriver of the present utility model solves the normal screws cutter head and broken the just calcellation of whole screwdriver, difficult use that cutter head is bald, the purpose of the technical problem of waste part.

The beneficial effect of the novel screwdriver of utility model is that the utility model is to solve the normal screws cutter head to have broken the just calcellation of whole screwdriver, difficult use that cutter head is bald, the technical scheme that technical problem adopted of waste part has been compared three place's advantage and improvement with existing with the technology about hand knife group that fixed blade is arranged that once had:

First, because the terminal position that has designed handle in the technical scheme of novel screwdriver of the present utility model is socketed in the forward position of stopper, the other end position of handle is welded on an end position that connects handle, be combined into the storage structure of big awl shape, so easier solution is held, storage, the technical problem of blocking.

Second, be welded on an end position that connects handle owing to designed an end position of joint in the technical scheme of novel screwdriver of the present utility model, the square hole position of joint is socketed in the connection-core position of point of a knife, be combined into the socket removable structure of cylinder connection shape, so the technical problem of the interchangeable point of a knife size of easier solution the turn of the screw.

The 3rd, because the back-trough end position that has designed the groove body in the technical scheme of novel screwdriver of the present utility model is welded on an end position of connection-core, the integral position perforation of connection-core is installed in the square hole position of joint, be combined into the removable structure of trough of belt cylindrical shape, so the technical problem of burr screw is twisted in easier solution.

(4) description of drawings:

Accompanying drawing provides the structural representation of novel screwdriver of the present utility model:

Fig. 1: the whole broken section structural representation that is novel screwdriver of the present utility model:

Fig. 2: the unitary side TV structure schematic diagram that is novel screwdriver of the present utility model:

Fig. 3: the cutter head structure schematic diagram that is novel screwdriver of the present utility model:

Fig. 4: overall structure schematic diagram when being novel screwdriver of the present utility model work:

The label declaration of parts in the schematic diagram:

1 stopper, 2 handles 3 connect handle 4 joints

5 groove bodies, 6 connection-cores, 7 points of a knife, 8 screws

(5) specific embodiment:

Below in conjunction with accompanying drawing, novel screwdriver of the present utility model has been broken whole screwdriver and just cancelled for realizing solution normal screws cutter head, difficult use that cutter head is bald, the optimal way of the technical scheme that the technical problem of waste part is taked is described further:

Its static structure: please join accompanying drawing: as shown in the figure, novel screwdriver of the present utility model mainly is made of stopper 1, handle 2, company's handle 3, joint 4, groove body 5, connection-core 6, point of a knife 7, screw 8.Its major part stopper 1, connect handle 3, connection-core 6, point of a knife 7, screw 8 and select for use by market.Its handle 2 is cavity cylindrical shapes, is material with the aluminium alloy, through the machining manufacturing.Its joint 4 is square hole cylindrical shapes, is material with the aluminium alloy, through the machining manufacturing.Its groove body 5 is trough of belt truncated conical shape, is material with the high-strength steel, through the machining manufacturing.

In shape, structure and combination thereof, the total essential features of novel screwdriver of the present utility model and immediate prior art is: the terminal position casting of point of a knife 7 is connected the front position of handle 3, the back-end location that connects handle 3 is welded on the front position of handle 2, be combined into the fixed connection structure of big awl shape, function has been the turn of the screw, the effect of sled object.In shape, structure and combination thereof, the novel screwdriver of the present utility model technical characterictic different with immediate prior art is: the terminal position of handle 2 is socketed in the forward position of stopper 1, the other end position of handle 2 is welded on an end position that connects handle 3, be combined into the storage structure of big awl shape, function has been to hold, storage, the effect of blocking.One end position of joint 4 is welded on an end position that connects handle 3, and the square hole position of joint 4 is socketed in connection-core 6 positions of point of a knife 7, is combined into the socket removable structure that cylinder connects shape, and function has been the effect of the interchangeable point of a knife size of the turn of the screw.The back-trough end position of groove body 5 is welded on an end position of connection-core 6, and the integral position perforation of connection-core 6 is installed in the square hole position of joint 4, is combined into the removable structure of trough of belt cylindrical shape, and function has been the effect of stubborn burr screw.

Below by using method, further set forth the dynamic structure relation of this practical novel screwdriver: in use, when needs are twisted slotted screw, according to the screw thread principle, at first open stopper 1, take out band point of a knife 7 parts then, put into joint 4 square holes more then and twist screw, thereby finish the task of clamping.

In use, when needs are twisted the burr screw,, at first open stopper 1, take out band groove body 5 parts then, put into joint 4 square holes more then, thereby finish the task of clamping according to the screw thread principle.So just realized that novel screwdriver of the present utility model solves the normal screws cutter head and broken the just calcellation of whole screwdriver, difficult use that cutter head is bald, the purpose of the technical problem of waste part.

Realize that preferred plan of the present utility model is is material with the metal, utilize the basic equipment of system cutter factory, amount is produced by batch in taking, and with the demand of supply building maintenance circle, so just can realize the practical value and the economic worth of novel screwdriver of the present utility model better.

Claims

1. novel screwdriver, it is by stopper (1), handle (2), connects handle (3), joint (4), groove body (5), connection-core (6), point of a knife (7), screw (8) formation, the terminal position casting of its point of a knife (7) is connected the front position of handle (3), the back-end location that connects handle (3) is welded on the front position of handle (2), it is characterized in that: the terminal position of handle (2) is socketed in the forward position of stopper (1), and the other end position of handle (2) is welded on an end position that connects handle (3).

2. novel screwdriver according to claim 1 is characterized in that: an end position of joint (4) is welded on an end position that connects handle (3), and the square hole position of joint (4) is socketed in connection-core (6) position of point of a knife (7).

3. novel screwdriver according to claim 1 is characterized in that: the back-trough end position of groove body (5) is welded on an end position of connection-core (6), and the integral position perforation of connection-core (6) is installed in the square hole position of joint (4).