CN108943026A - A kind of safety cutter - Google Patents
A kind of safety cutter Download PDFInfo
- Publication number
- CN108943026A CN108943026A CN201811051465.4A CN201811051465A CN108943026A CN 108943026 A CN108943026 A CN 108943026A CN 201811051465 A CN201811051465 A CN 201811051465A CN 108943026 A CN108943026 A CN 108943026A
- Authority
- CN
- China
- Prior art keywords
- shell
- blade
- additionally provided
- safety cutter
- buckle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B1/00—Hand knives with adjustable blade; Pocket knives
- B26B1/08—Hand knives with adjustable blade; Pocket knives with sliding blade
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Knives (AREA)
- Sawing (AREA)
Abstract
The present invention relates to Common Use Tools fields, more particularly, to a kind of safety cutter.Including shell, blade support, the buckle with spring, blade, speed-limiting device is additionally provided on shell, speed-limiting device includes contact roller, call wire, adjustment axis and cam.The present invention has the beneficial effect that rate limitation can be able to carry out when toolsmith makees excessive velocities.
Description
Technical field
The present invention relates to Common Use Tools fields, more particularly, to a kind of safety cutter.
Background technique
Cutter, is also commonly called as icking tool or wallpaper knife, is in industry and life, the fine arts and makees the common knife of artifacts
Tool is mainly used to cut the softer thing of quality, generally be made of protective shell and blade two parts, blade is angle, is usually adopted
With plug-type structure is pressed, blade is released or contraction is in protective shell.
Such as China Patent Publication No.: one kind of 01, Granted publication of CN205915357U and 2017 on February is convenient for fixation
Cutter knife shell: including cutter broach shell and fixing seat, the cutter broach shell is mounted in the slot that fixing seat opens up, described
Cutter is installed in cutter broach shell, the installation of mounting screw is offered in the fixing seat, which is characterized in that the fixation
The slot and the cutter broach shell gapless sliding fit that seat opens up, the cutter broach shell can be upper and lower relative to the fixing seat
Sliding, the side that the cutter broach shell is not in contact with the slot that the fixing seat opens up is slightly above the installation of the fixing seat
Contact surface, the cutter broach shell may be mounted to that work fixed frame by the mounting screw of the mounting hole in the fixing seat
On.
The program is to carry out cutter as fixed cutting tool using instead making cutter lose itself and convenient use
Characteristic, and blade is still exposed, the caused risk too fast for cutting speed does not have precautionary measures.
Summary of the invention
The present invention is intended to provide a kind of safety cutter that rate limitation can be able to carry out when toolsmith makees excessive velocities,
Including shell, blade support, the buckle with spring, blade, insert pocket, the blade branch are provided on the blade
The blade block matched with insert pocket is provided on frame, the buckle is connect with blade support by spring slide, institute
The sliding groove for being provided with and being clasped on the shell stated, so that buckle can drive blade support to move along sliding groove, outside
The limiting tooth for being additionally provided with and being clasped in shell, shell one end, which is provided with, goes out the edge of a knife with blades fit, on the shell
It is additionally provided with speed-limiting device, the speed-limiting device includes contact roller, call wire, adjustment axis and cam, the contact rolling
Wheel is rotatablely connected with shell, and call wire is connected with contact roller axis, and call wire is connected with camshaft, and cam is arranged on the shell,
Camming rim is located at below buckle lower end, and on the shell, adjustment axle position is set on camming rim the setting of adjustment axis in the middle part of adjustment line
It is equipped with centrifugal-block, centrifugal-block and camming rim elastic connection.Blade and contact roller are all in contact with working face when work, contact
Idler wheel rotates with the cutter of blade, drives call wire, and call wire band moving cam rotates.When excessive velocities, on cam
Centrifugal-block because required centripetal force is greater than the elastic force that brings of elastic connection and far from cam axle center so that centrifugal-block hits buckle
Lower end, after buckle is detached from limiting tooth, blade is pushed back the safe retrieving that interior of shell completes blade by the pressure on blade.Adjust axis
For call wire to be introduced interior of shell, so as to only have contact roller exposed for entire speed-limiting device.
Preferably, being additionally provided with length adjuster on the shell, length adjuster is installed inside the housing,
Length adjuster and call wire cooperate, and length adjuster includes shifting axle, fixing axle and adjustment spring, and fixing axle setting exists
In shell, adjustment spring one end is connected with fixing axle, and the adjustment spring other end is connected with shifting axle, and shifting axle and shell sliding connect
It connects.Length adjuster can be such that the use length of call wire changes, so that cam is not limited to a position and with bayonet
Lower end is mobile, that is to say, that cam may be mounted on blade support.
Preferably, the shifting axle is slidably connected on adjustment spring direction with shell.
Preferably, being additionally provided with anti-slip protrusion on the shell, anti-slip protrusion setting is held on the shell and lower end.
Preferably, being additionally provided with the link for hanging up storage on the shell other end.
Preferably, further including straight line auxiliary device on the shell, the straight line auxiliary device includes accessory plate
It is covered with receiving, plane is parallel with plane where blade where the accessory plate, and the accessory plate setting is in receiving set, institute
The receiving stated is set on shell lower end, and accessory plate, which far accommodates set one end, straight auxiliary side.Straight line auxiliary device passes through auxiliary
The straight line for helping side to determine moves along a straight line, and so that blade is moved along a straight line, accessory plate can also be unloaded, can also be put into
Having the accessory plate on specific arc auxiliary side makes blade carry out camber line cutting.
In conclusion the present invention has the advantage that rate limitation can be able to carry out when toolsmith makees excessive velocities.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of length adjuster of the invention；
Fig. 3 is the structural schematic diagram of cam in the present invention.
It illustrates: 1- shell, 2- blade support, 3- buckle, 4- spring, 5- blade, 6- insert pocket, 7- blade gear
Block, 8- sliding groove, 9- limiting tooth, 10- go out the edge of a knife, 11- contact roller, 12- call wire, and 13- adjusts axis, 14- cam, 15- from
Heart block, 16- shifting axle, 17- fixing axle, 18- adjust spring, 19- accessory plate, 20- receiving set.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment 1: such as Fig. 1, shown in 2,3, a kind of safety cutter, including shell 1, blade support 2, with spring 4
3, blade 5 are buckled, insert pocket 6 is provided on blade, the blade block matched with insert pocket is provided on blade support
7, buckle is connect with blade support by spring slide, the sliding groove 8 for being provided with and being clasped on shell, so that buckle can
Along sliding groove drive blade support move, the limiting tooth 9 for being additionally provided with and being clasped in shell, shell one end be provided with
Blades fit goes out the edge of a knife 10, is additionally provided with speed-limiting device on the shell, the speed-limiting device include contact roller 11,
Call wire 12, adjustment axis 13 and cam 14, contact roller and shell are rotatablely connected, and call wire is connected with contact roller axis, are conducted
Line is connected with camshaft, and cam is arranged on the shell, and camming rim is located at below buckle lower end, adjusts axis setting on the shell,
Axle position is adjusted in the middle part of adjustment line, centrifugal-block 15, centrifugal-block and camming rim elastic connection are provided on camming rim.On shell
It is additionally provided with length adjuster, length adjuster is installed inside the housing, and length adjuster and call wire cooperate, length
Adjustment device includes shifting axle 16, fixing axle 17 and adjustment spring 18, and fixing axle is arranged inside the shell, adjustment spring one end and solid
Dead axle is connected, and the adjustment spring other end is connected with shifting axle, and shifting axle is slidably connected with shell.Shifting axle is in adjustment spring direction
It is upper to be slidably connected with shell.Anti-slip protrusion is additionally provided on shell, anti-slip protrusion setting is held on the shell and lower end.Shell is another
The link for hanging up storage is additionally provided on end.It further include straight line auxiliary device on shell, straight line auxiliary device includes auxiliary
Plate 19 and receiving set 20, plane is parallel with plane where blade where accessory plate, and in receiving set, receiving is arranged for accessory plate setting
It sets in shell lower end, accessory plate, which far accommodates set one end, straight auxiliary side.
Blade and contact roller are all in contact with working face when work, and contact roller rotates with the cutter of blade,
Call wire is driven, call wire band moving cam rotates.When excessive velocities, the centrifugal-block on cam is because required centripetal force is greater than bullet
Property connection bring elastic force and far from cam axle center so that centrifugal-block hit card detains end, after buckle disengaging limiting tooth, on blade
Pressure by blade push back interior of shell complete blade safe retrieving.Adjustment axis is used to call wire introducing interior of shell, makes
Entire speed-limiting device to only have contact roller exposed.Length adjuster can be such that the use length of call wire changes, so that convex
Wheel be not limited to a position and as bayonet lower end is mobile, that is to say, that cam may be mounted on blade support.Straight line is auxiliary
It helps device to move along a straight line by the straight line that auxiliary side determines, so that blade is moved along a straight line, accessory plate can also be unloaded
Under, the accessory plate that can also be put into specific arc auxiliary side makes blade carry out camber line cutting.
It should be understood that being somebody's turn to do, examples are only for illustrating the present invention and not for limiting the scope of the present invention.In addition, it should also be understood that,
After having read the content of the invention lectured, those skilled in the art can make various modifications or changes to the present invention, these etc.
Valence form is also fallen within the scope of the appended claims of the present application.
Claims (6)
1. a kind of safety cutter, which is characterized in that described including shell, blade support, the buckle with spring, blade
It is provided with insert pocket on blade, the blade block matched with insert pocket is provided on the blade support, it is described
Buckle is connect with blade support by spring slide, the sliding groove for being provided with and being clasped on the shell, so that buckle
Blade support can be driven to move along sliding groove, the limiting tooth for being additionally provided with and being clasped in shell, the setting of shell one end
Have and go out the edge of a knife with blades fit, be additionally provided with speed-limiting device on the shell, the speed-limiting device include contact roller,
Call wire, adjustment axis and cam, the contact roller and shell are rotatablely connected, and call wire is connected with contact roller axis, are conducted
Line is connected with camshaft, and cam is arranged on the shell, and camming rim is located at below buckle lower end, adjusts axis setting on the shell,
Axle position is adjusted in the middle part of adjustment line, centrifugal-block, centrifugal-block and camming rim elastic connection are provided on camming rim.
2. a kind of safety cutter according to claim 1, which is characterized in that be additionally provided with length tune on the shell
Engagement positions, length adjuster are installed inside the housing, and length adjuster and call wire cooperate, and length adjuster includes moving
Moving axis, fixing axle and adjustment spring, fixing axle are arranged inside the shell, and adjustment spring one end is connected with fixing axle, and adjustment spring is another
One end is connected with shifting axle, and shifting axle is slidably connected with shell.
3. a kind of safety cutter according to claim 2, gas are characterized in that, the shifting axle is in adjustment spring direction
It is upper to be slidably connected with shell.
4. a kind of safety cutter according to claim 1, which is characterized in that be additionally provided on the shell anti-skidding convex
Block, anti-slip protrusion setting is held on the shell and lower end.
5. a kind of safety cutter according to claim 1, which is characterized in that be additionally provided on the shell other end
For hanging up the link of storage.
6. a kind of safety cutter described according to claim 1 or 2 or 3 or 4 or 5, which is characterized in that on the shell also
Including straight line auxiliary device, the straight line auxiliary device includes accessory plate and receiving set, plane where the accessory plate with
Plane where blade is parallel, and in receiving set, the receiving is set on shell lower end, accessory plate for the accessory plate setting
There is straight auxiliary side in remote receiving set one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811051465.4A CN108943026B (en) | 2018-09-10 | 2018-09-10 | Safety art designer's knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811051465.4A CN108943026B (en) | 2018-09-10 | 2018-09-10 | Safety art designer's knife |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108943026A true CN108943026A (en) | 2018-12-07 |
| CN108943026B CN108943026B (en) | 2020-02-18 |
Family
ID=64476231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811051465.4A Active CN108943026B (en) | 2018-09-10 | 2018-09-10 | Safety art designer's knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108943026B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111452096A (en) * | 2020-04-10 | 2020-07-28 | 福建大利五金科技有限公司 | Embroidery scissors and manufacturing method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85201912U (en) * | 1985-05-22 | 1986-06-04 | 中国铅笔一厂 | Multi-purpose step-feeding handwork knife |
| CN86104583A (en) * | 1986-07-11 | 1988-01-27 | 雪莉学院 | Improved blade |
| CN87206431U (en) * | 1987-04-13 | 1988-04-06 | 聂健星 | Rapid rotary peeling knife |
| CN2039162U (en) * | 1988-07-22 | 1989-06-14 | 王海强 | Pineapple cutter |
| CN2058876U (en) * | 1989-11-03 | 1990-07-04 | 李福祥 | Automatic spring drawing back eletrician's knife |
| US6219923B1 (en) * | 1998-11-04 | 2001-04-24 | John Sinisi | Retractable knife |
| US6243953B1 (en) * | 2000-01-28 | 2001-06-12 | Yin Han Huang | Utility knife |
| US6314646B1 (en) * | 1999-12-15 | 2001-11-13 | Pacific Handy Cutter, Inc. | Utility knife |
| DE20114023U1 (en) * | 2001-08-24 | 2001-11-22 | Stehle Markus | Cutting tool for beverage packaging boxes |
-
2018
- 2018-09-10 CN CN201811051465.4A patent/CN108943026B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85201912U (en) * | 1985-05-22 | 1986-06-04 | 中国铅笔一厂 | Multi-purpose step-feeding handwork knife |
| CN86104583A (en) * | 1986-07-11 | 1988-01-27 | 雪莉学院 | Improved blade |
| CN87206431U (en) * | 1987-04-13 | 1988-04-06 | 聂健星 | Rapid rotary peeling knife |
| CN2039162U (en) * | 1988-07-22 | 1989-06-14 | 王海强 | Pineapple cutter |
| CN2058876U (en) * | 1989-11-03 | 1990-07-04 | 李福祥 | Automatic spring drawing back eletrician's knife |
| US6219923B1 (en) * | 1998-11-04 | 2001-04-24 | John Sinisi | Retractable knife |
| US6314646B1 (en) * | 1999-12-15 | 2001-11-13 | Pacific Handy Cutter, Inc. | Utility knife |
| US6243953B1 (en) * | 2000-01-28 | 2001-06-12 | Yin Han Huang | Utility knife |
| DE20114023U1 (en) * | 2001-08-24 | 2001-11-22 | Stehle Markus | Cutting tool for beverage packaging boxes |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111452096A (en) * | 2020-04-10 | 2020-07-28 | 福建大利五金科技有限公司 | Embroidery scissors and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108943026B (en) | 2020-02-18 |
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