CN2723139Y

CN2723139Y - Novel spring knife

Info

Publication number: CN2723139Y
Application number: CN 200420067294
Authority: CN
Inventors: 孙凯
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-07-02
Filing date: 2004-07-02
Publication date: 2005-09-07
Anticipated expiration: 2014-07-02

Abstract

The utility model discloses a novel spring knife which aims at solving the problems of easy use, a safe knife arranged in a handle and convenient carry. The utility model mainly comprises an upper cover, a spring, a lower cover, a knife blade, a knife tail, a hanging column, a button and a cant hook. The novel spring knife is characterized in that: the middle part of the left surface of the knife tail is welded in the right end position of the spring. The left end position of the spring is welded in the left end surface position of the inner chamber of the lower cover. A hook arranged in the right end position of the hanging column is connected with the right end hook position of the cant hook. The left end surface position of the cant hook is welded in the lower part position of the left end surface of the inner chamber of the lower cover. The novel spring knife has the advantages of easy production.

Description

The novel spring cutter

(1) technical field:

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

(2) background technology:

At present, existing and once had about the hand knife of adjustable blade is arranged; The technology of pocket knife group was all done very fruitful effort to the needs of novel spring cutter, also once designed many outstanding technical schemes.As declaring of the Decree of Patent Office of China in 1996 by the simple illuminate jade tablet of letter, Granted publication is that CN222533Y China Patent No. (ZL) is: ZL95213067.X number utility model patent title is the utility model patent of " cutter ", the technical scheme that is adopted is having the hand knife of adjustable blade; The technical elements of pocket knife group is a routine of great value invention, and it has solved technical problem easy to use effectively.But still have some deficits, it also is difficult to solve easy to use, and cutter is safety in handle, technical problem easy to carry.

(3) summary of the invention:

The purpose of this utility model is to provide a kind of novel spring cutter easy to use to solve, and cutter is safety in handle, technical problem easy to carry.

The technical scheme that above-mentioned technical problem to be solved in the utility model adopted is achieved in that novel spring cutter of the present utility model, mainly is made of upper casing, spring, lower casing, blade, cutter tail, hanging column, button, shank.

In shape, structure and combination thereof, the total essential features of novel spring cutter of the present utility model and immediate prior art is: the bonding marginal position that is connected lower casing of the marginal position of upper casing, the inner chamber position cover of lower casing is installed in the external position of blade, be combined into the bascule of flat straight-bar shape, function has been the effect of handle.Position, the right side weldering of hanging column is connected the position, left surface of cutter tail, and the right surface location weldering of cutter tail is connected the rear end face position of blade, is combined into the integrative-structure of straight plate shape shape, and function has been the effect that hanging column is installed.In shape, structure and combination thereof, the novel spring cutter of the present utility model technical characterictic different with immediate prior art is: the left surface medium position weldering of cutter tail is connected the right end position of spring, the left position weldering of spring is connected the position, inner chamber left side of lower casing, be combined into erose bascule, function has been to realize the elongation of spring and the effect of compression.The right end position hook of hanging column is connected the right-hand member hook position of shank, and position, the left side weldering of shank is connected the inner chamber left side lower position of lower casing, is combined into erose bascule, and function has been to realize the spring compression, and the effect that cutter does not eject.The right-hand member lower position of shank leans against the upper end position of button, and the aperture position that is installed in upper casing and lower casing is inserted in the thin neck position of button, is combined into the bascule of cross shape, and function has been the effect that the realization button moves up and down.So just reached the easy to use of novel spring cutter of the present utility model, cutter is safety in handle, purpose easy to carry:

The beneficial effect of the novel spring cutter of utility model is that the utility model is to solve easy to usely, and cutter is safety in handle, the technical scheme that technical problem adopted easy to carry and existing and once had about the hand knife of adjustable blade is arranged; The technology of pocket knife group has been compared three advantages and improvement:

First, because the left surface medium position weldering that has designed the cutter tail in the technical scheme of novel spring cutter of the present utility model is connected the right end position of spring, the left position weldering of spring is connected the position, inner chamber left side of lower casing, be combined into erose bascule, so easier solution realizes the elongation of spring and the technical problem of compression.

Second, because the right end position hook that has designed hanging column in the technical scheme of novel spring cutter of the present utility model is connected the right-hand member hook position of shank, position, the left side weldering of shank is connected the inner chamber left side lower position of lower casing, be combined into erose bascule, so easier solution realizes the spring compression, and the technical problem that cutter does not eject.

The 3rd, because the right-hand member lower position that has designed shank in the technical scheme of novel spring cutter of the present utility model leans against the upper end position of button, the aperture position that is installed in upper casing and lower casing is inserted in the thin neck position of button, be combined into the bascule of cross shape, so easier solution realizes the technical problem that button moves up and down.

(4) description of drawings:

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

Fig. 1: the overall structure schematic diagram that is novel spring cutter of the present utility model;

The label declaration at each position in the schematic diagram:

1 upper casing, 2 springs, 3 lower casings, 4 blades

5 cutter tails, 6 hanging columns, 7 buttons, 8 shanks

(5) specific embodiment:

Below in conjunction with accompanying drawing, easy to use to novel spring cutter of the present utility model for realizing solution, cutter safety in handle, the optimal way of the technical scheme that technical problem easy to carry is taked is described further:

Its static structure: see also accompanying drawing: as shown in the figure, novel spring cutter of the present utility model mainly is made of upper casing 1, spring 2, lower casing 3, blade 4, cutter tail 5, hanging column 6, button 7, shank 8.Its major part upper casing 1, spring 2, lower casing 3, cutter tail 5, button 7 are selected for use by market.Its blade 4 is that knife-edge has two breach in order to make the bottle opener shape, is material with the steel, through casting, thermoforming, the processing and manufacturing of plane mill.Its hanging column 6 is that the straight-bar front end has the triangle hook-like shape, is material with iron, through the casting processing and manufacturing.Its shank 8 is that straight-bar, right-hand member have the triangle hook-like shape, is material with iron, through the casting processing and manufacturing.

In shape, structure and combination thereof, the total essential features of novel spring cutter of the present utility model and immediate prior art is: the bonding marginal position that is connected lower casing 3 of the marginal position of upper casing 1, the inner chamber position cover of lower casing 3 is installed in the external position of blade 4, be combined into the bascule of flat straight-bar shape, function has been the effect of handle.Position, the right side weldering of hanging column 6 is connected the position, left surface of cutter tail 5, and the right surface location weldering of cutter tail 5 is connected the rear end face position of blade 4, is combined into the integrative-structure of straight plate shape shape, and function has been the effect that hanging column is installed.In shape, structure and combination thereof, the novel spring cutter of the present utility model technical characterictic different with immediate prior art is: the left surface medium position weldering of cutter tail 5 is connected the right end position of spring 2, the left position weldering of spring 2 is connected the position, inner chamber left side of lower casing 3, be combined into erose bascule, function has been to realize the elongation of spring and the effect of compression.The right end position hook of hanging column 6 is connected the right-hand member hook position of shank 8, position, the left side weldering of shank 8 is connected the inner chamber left side lower position of lower casing 3, be combined into erose bascule, function has been to realize the spring compression, and the effect that cutter does not eject.The right-hand member lower position of shank 8 leans against the upper end position of button 7, and the aperture position that is installed in upper casing 1 and lower casing 3 is inserted in the thin neck position of button 7, is combined into the bascule of cross shape, and function has been the effect that the realization button moves up and down.

Below by using method, further set forth the dynamic structure relation of this practical novel spring cutter: in use, when needs eject blade, according to theory of mechanics, at first press the button 7, shank 8 upwards lifts then, and spring 2 ejects blade 4 then again, thereby finishes the task of ejecting cutter.

In use, in the time of the needs retracting blade,, at first push down blade 4 according to theory of mechanics, spring 2 compressions then, hanging column 6 hooks shank 8 then again, thereby finishes the task that cutter is retracted.So just realized the easy to use of novel spring cutter of the present utility model, cutter is safety in handle, the technical scheme of technical problem easy to carry.

Realize that preferred plan of the present utility model is is material with iron, utilize the basic equipment of ironwork factory, take small-scale production, the demand with supply family circle so just can realize novel spring cutter practical value of the present utility model and economic worth better.

Claims

1. novel spring cutter, it is by upper casing (1), spring (2), lower casing (3), blade (4), cutter tail (5), hanging column (6), button (7), shank (8) constitutes, the bonding marginal position that is connected lower casing (3) of the marginal position of its upper casing (1), the inner chamber position cover of lower casing (3) is installed in the external position of blade (4), position, the right side weldering of hanging column (6) is connected the position, left surface of cutter tail (5), the right surface location weldering of cutter tail (5) is connected the rear end face position of blade (4), it is characterized in that: the left surface medium position weldering of cutter tail (5) is connected the right end position of spring (2), and the left position weldering of spring (2) is connected the position, inner chamber left side of lower casing (3).

2. novel spring cutter according to claim 1 is characterized in that: the right end position hook of hanging column (6) is connected the right-hand member hook position of shank (8), and position, the left side weldering of shank (8) is connected the inner chamber left side lower position of lower casing (3).

3. novel spring cutter according to claim 1 is characterized in that: the right-hand member lower position of shank (8) leans against the upper end position of button (7), and the aperture position that is installed in upper casing (1) and lower casing (3) is inserted in the thin neck position of button (7).