CN2354781Y

CN2354781Y - Improved structure of artist knives

Info

Publication number: CN2354781Y
Application number: CN 99201269
Authority: CN
Inventors: 陈岩营
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-02-03
Filing date: 1999-02-03
Publication date: 1999-12-22
Anticipated expiration: 2009-02-03

Abstract

The utility model relates to the improved structure of an artist pen knife. A knife core is arranged at the end of a core rod, the other end of the core rod is matched with a bearing; the core rod is penetrated into a bobbin, the knife core extends out of one end of the bobbin, the inside of the other end of the bobbin is provided with a screw thread section which is provided with an adjusting screw in a locking mode to touch and push the bearing; the bobbin is penetrated into a shell pipe; a shell pen corresponding to the end of the knife core is internally provided with a bearing and a spring for the to penetrate, the inside of the other end is provided with a pressing locating piece, and the exterior is provided with a cap sleeve connected with the pressing locating piece. The knife core extends out of the shell pipe, the utility model can adjust and change the length of the extending part of the knife core, and the knife core can freely rotate 360 DEG around a long axle of the pen knife.

Description

Art designing's graver structural improvement

The utility model relates to a kind of art designing's cutter, in more detail, refers in particular to a kind of art designing's graver structural improvement.

General art designing's cutter mainly comprises blade and lever two big main bodys, and commonly on the market have blade to be fixed in combination on the lever, and promptly blade is the end of plug-in card in lever during fabrication, each blade all is furnished with a lever, the utmost point takes up space when taking in placement, and it is very not convenient to take yet; So there is the disconnectable art designing's cutter of blade to produce in addition, the utilization rate of lever is increased, reduce receiving space.No matter but blade is fixed or changeable type, all can't rotate and adjust length, therefore when this kind of operation art designing cutter, produced following problem.

When the execution art designing worked, lines and direction that cutter is delineated differed, if meet shaped form lines or delineation direction turnover not timing, the user promptly must constantly rotate whole art designing's cutter, perhaps the posture of the gripping of conversion constantly cutter.Yet the cutter posture of holding of some inconvenience is difficult to the application of force, and is not easy to control power and direction, has mistake promptly to damage art designing's works slightly.And sometimes for asking easy to operate, and art designing's works are when being lamellar material such as paper, user even can rotate art designing's works, though convenient delineation, lines shape or direction that can't the exact grasp delineation also allow art designing's works many flaws occur easily.And each user hold cutter posture and delineation power difference, therefore the extension elongation of the cutter heart also is whether determine can comfortable grip and one of important key of control power, so researching and developing a kind of cutter heart can freely rotate by 360 degree, can adjust the graver of cutter heart extension elongation again, can effectively address the above problem.

And graver is not when using; its security of accommodating also is the problem that can not be ignored; the dust head puts protective sleeve more than the sword end of graver, but the blade that protective sleeve protrudes out when falling to take off accidentally constitutes the threat on the safety, and repeatedly pulls down protective sleeve and also form inconvenience in the use.Therefore, the safety guard of graver also is necessary design.

The purpose of this utility model is to propose a kind of art designing's graver structure of being made up of the cutter heart, core bar, bobbin, display pipe and safety protection structure; it has can adjust that the cutter heart stretches out the length of graver shell and the cutter heart can the graver major axis be that the heart is done characteristics such as 360 degree freely rotate, thereby has solved the existing in prior technology problem.

The technical scheme that the utility model adopted is that it mainly is the end that a cutter heart is located at a core bar, and this core bar is arranged in the bobbin, and this bobbin is arranged in the display pipe; One end inside of this display pipe is established a spring and is pushed against this bobbin, and other end inside is established one and pushed keeper, and the outside is established a cap sleeve and pushed keeper with this and be connected; But its elasticity is controlled this bobbin and is moved, and then it is flexible to control this cutter heart; Wherein this core bar one end is axially established a cutter groove, and this cutter heart is round bar shape, is to be installed in removably in this cutter groove, and its cutting blade end protrudes out outside this cutter groove.

Characteristics of the present utility model are that its adjustable rectification becomes the length that the cutter heart stretches out the graver shell, with gripping posture and the control power that adapts to the different users, in addition, this cutter heart can the graver major axis be that the heart is done 360 degree and freely rotated, and the user can constant change of grip cutter posture and drive graver arbitrarily and delineate the linear of any direction, in addition, this art designing's graver has safety protection structure, when graver does not use, can make its cutter heart accommodate and be fixed in graver inside, avoid the cutter regard to hurt sb.'s feelings outward; In addition, it also has the function of directly substituting the cutter heart.

Fig. 1 is a three-dimensional exploded view of the present utility model.

Fig. 2 is a combination appearance figure of the present utility model.

Fig. 3 is an assembled sectional view of the present utility model.

The three-dimensional exploded view that Fig. 4 cooperates compasses to use for the utility model.

The combination appearance figure that Fig. 5 cooperates compasses to use for the utility model.

Further specify preferred embodiment of the present utility model in conjunction with above-mentioned each accompanying drawing now, as shown in Figure 1 to Figure 3, the utility model is a kind of art designing's graver structural improvement, and this graver mainly comprises: a cutter heart 10, one end are cutting blade end 11; One core bar 20 is a metallic rod body, can divide into the first bar section 21 and one second bar section 22, and wherein, the external diameter of this first bar section 21 is big than this second bar section 22; The open end of this first bar section 21 is axially established the cutter groove 23 that an internal diameter is equivalent to these cutter heart 10 external diameters, and the bottom land of this cutter groove 23 is filled out and established a magnetic patch 24, and card is established a ring set 12 on the cell wall; This cutter heart 10 passes this ring set 12 and is placed through in this cutter groove 23, and nationality is fixed in this cutter groove 23 by the magnetic force of this

magnetic patch

24, and 11 at its cutting blade end protrudes out outside this cutter groove 23, and by this ring set 12 with these cutter heart 10 strong fixs, not worried rocking; The open end of this second bar section 22 is convexly equipped with a conehead 25, and the maximum gauge of this conehead 25 is equivalent to the diameter of this first bar section 21; The centring ring ring 26 that these second bar section, 22 upper sleeve throughs one are made by elastic material, and, make this centring ring ring 26 not worry to fall to take off by the block of this first bar section 21 and this conehead 25; The nose tip cover of this conehead 25 supports a bearing 27;

One bobbin 30, tool one first pipeline section 31 and one second pipeline section 32, wherein, the external diameter of this first pipeline section 31 is big than this second pipeline section 32, forms a drop edge 33 in its intersection; This first pipeline section 31 is established the heart hole 34 that an internal diameter is equivalent to above-mentioned bearing 27 external diameters, establishes the heart hole 35 that an internal diameter is equivalent to these core bar 20 first bar sections 21 external diameters in this second pipeline section 32, and this disloyalty hole 34 35 is communicated with each other, and forms a retaining wall 36 in intersection; Again, the 34 nearly top end opening places, heart hole of this first pipeline section 31 establish a thread segment 37, these second pipeline section, 32 bottoms in addition again undergauge protrude out a socket part 38; This core bar 20 is to be arranged in this bobbin 30, and its first bar section 21 is to be stretched in the heart hole 35 of second pipeline section 32 of this bobbin 30, and this cutter heart 10 stretches out outside this second pipeline section 32; This second bar section 22 then correspondence is stretched in the heart hole 34 of first pipeline section 31 of this bobbin 30; 26 on this centring ring ring is by 36 blocks of this retaining wall; The thread segment 37 of this first pipeline section 31 is locked an adjustment screw 40 and is in contact with one another with this bearing 27;

One display pipe 50, be spirally connected mutually by one first package 51 and one second package 52 and form, its inner this bobbin 30 and this cutter heart 10 of supplying places, set firmly a bearing 53 in the end that this first package 51 stretches through with respect to this cutter heart 10, the end of this bearing 53 blocks one spring 54, the other end of this spring 54 then overlaps the socket part 38 that is butted on this bobbin 30; The cutter heart 10 that protrudes out this bobbin 30 then is arranged in this spring 54 and the bearing 53; What be provided with a hollow form in the open end of this second package 52 pushes keeper 60, and this end of pushing keeper 60 pushes away and touches this bobbin 30, and the other end is then controlled by a cap sleeve 55 that is sheathed on these second package, 52 outer ends; Push this cap sleeve 55 repeatedly, make it push against this and push keeper 60, push keeper 60 by this and promote this bobbin 30, this bobbin 30 is that compressible this spring 54 or nationality make this bobbin 30 resilient movement in this display pipe 50 by the elastic-restoring force of this spring 54, and this pushes keeper 60 has the blocking location when these bobbin 30 these springs 54 of compression make the cutter heart 10 protrude out this display pipe 50 effect, and this cutter heart 10 can fixedly protrude out for using; Therefore push members such as keeper 60, cap sleeve 55 and spring 54 by this, can elasticity control that this cutter heart 10 protrudes out or capacity reducing in this display pipe 50; The applicant is Chen Ming hereby, and this pushes keeper 60, spring 54 and this cap sleeve 55 is to be directly the migrating of conventional structure, and non-emphasis of the present utility model, does not add to give unnecessary details at this;

One safety protection structure 70 is to establish a hole 71 on the tube wall of this second package 52, and lock is established a hand adjustment screw 72 in hole 71; The position of this safety protection structure 70 is to be equivalent to these spring 54 elasticity push against this bobbin 30 and make these cutter heart 10 capacity reducings when this display pipe 50, on second package, 52 tube walls with respect to these drop edge 33 side positions; When these cutter heart 10 capacity reducings are in this display pipe 50, manually tune this hand adjustment screw 72 toward in, the terminal part of this hand adjustment screw 72 promptly protrudes in this second package 52, and block is in these bobbin 30 drop edge 33 places, this bobbin 30 is promptly limited, and can't move in this display pipe 50.

By above-mentioned structure, when desire is adjusted this cutter heart 10 and stretched out the length of this display pipe 50, can pull out and unload this cap sleeve 55, stretched through with an elongate tool that this is pushed keeper 60 and tunes this adjustment screw 40, make this adjustment screw 40 revolve being locked to contacting with this bearing 27; Renew and revolve this adjustment screw 40 of lock,, can adjust the length that this cutter heart 10 of change protrudes out this display pipe 50 by this even second pipeline section, 32 directions that this core bar 20 drives these cutter heart 10 past these bobbins 30 move.Be noted that, when this cutter heart 10 reaches predeterminedly when protruding out length, need to adjust screw 40 half-turn that uncages, slightly the state that is tight against of itself and bearing 27 of pine oil, make the bearing 27 and the conehead 25 of this core bar 20 keep the fit relation of trackslipping, this core bar 20 could trackslip freely in this bobbin 30.

And to shorten the length that protrudes out of this cutter heart 10, then need this cap sleeve 55 is pulled out, this is pushed keeper 60 pours out, make its thread segment that breaks away from this bobbin 30 fully 37 with instrument this adjustment screw 40 of outwarding winding again, take out this core bar 20, with the direction adjustment of the centring ring ring on it 26 toward the first bar section 21, adorned lock again according to above-mentioned position again, the length that protrudes out of this cutter heart 10 promptly can be than short before adjusting.The rare change of custom posture of cutter because same user holds a pen, so in case with the cutter heart 10 be adjusted to meet its needed protrude out length after, can use for a long time, having few opportunities adjusts again.And this cutter heart 10 and this core bar 20 can freely rotate it by the location of this two bearing 27,53 in this bobbin 30.The operator grips guiding this display pipe 50 and when mobile, and this cutter heart 10 promptly can be along with lead moves, and depicts straight, horizontal etc. linear substantially; And when the lines of delineation curve, oblique lines or straight, horizontal, oblique folding, the user is in the identical cutter mode of holding, as long as change application of force direction slightly, this cutter heart 10 i.e. conversion direction automatically, and this cutter heart 10 rotates flexibly, and the user can easily delineate various linear.

If more during the tool changing heart 10, this cutter heart 10 is directly extracted out outward, select the cutter heart 10 of difformity cutting blade end to insert again again and get final product.

And when not using graver, need these cutter heart 10 capacity reducings of control in this display pipe 50, for ask safer for the purpose of, can manually tune this hand adjustment screw 72, make it projecting inward toward this second package 52, protruding retaining is at the avris of this drop edge 33, and this bobbin 30 is promptly placed restrictions on, can't control this cutter heart 10 in the mode of pushing cap sleeve 55 and protrude out, and reach the effect of safe containment.

See also Fig. 4 and Fig. 5 again; The group that is this graver and compasses 80 is with graphic; These compasses 80 have certain core bar 81, and the axis of centres of this centering bar 81 is to offering a duct 811, and a screw 812 is established in the bottom, wear lock for the sharp bar 82 of an end tool screw thread 821, and by this duct 811 this point bar 82 can be tuned up and down; Close with the movable pivot in the top of a pin 83 and a path transfer bar 84 on the top of this centering bar 81, a fluting 841 is established in the bottom of this path transfer bar 84, wearing the brace 851 that lock ring 85 sides extend obliquely for one plants wherein, it is fixing with an interlocking element 852 this to be worn lock ring 85 again, but when stirring this and wearing lock ring 85, this brace 851 can trackslip on this interlocking element 852, and this wears the angle of lock ring 85 to use change; This wears lock ring 85 inner ring surfaces is screw thread, graver display pipe 50 of the present utility model promptly is provided with a thread segment 56 and locks this and wear in the lock ring 85 for revolving, graver is combined with compasses 80, surely live the center of circle with this point bar 82, the receipts of opening of this path transfer bar 84 are adjusted the compasses radius, adjust this simultaneously and wear lock ring 85, make graver keep vertical, rotate this centering bar 81, this graver can be delineated a circle.

The centering bar 81 of these compasses 80 and path transfer bar 84 and fashionable, this graver still can be placed through this and wear in the lock ring 85, and the user can merge and grips this compasses 80 and graver, and adjusts this angle of wearing lock ring 85 again and make it allow graver keep the vertical principle that is; The purpose that this collocation is used is because general user tilts graver when gripping graver easily, though this kind grips the comfortable convenience of posture, damages the cutting blade end 11 of the cutter heart 10 easily; So correctly grip the posture of graver should be graver will be kept vertically, so use the combination of graver and compasses 80, the user can adopt the posture of custom to grip compasses 80, can keep graver vertical again, make operation more smooth, and it is sharp often to protect the cutting blade end 11 of the cutter heart 10.

In sum, the utlity model has novel structure and progressive effect,

Claims

1. art designing's graver structural improvement is characterized in that it mainly is the end that a cutter heart is located at a core bar, and this core bar is arranged in the bobbin, and this bobbin is arranged in the display pipe; One end inside of this display pipe is established a spring and is pushed against this bobbin, and other end inside is established one and pushed keeper, and the outside is established a cap sleeve and pushed keeper with this and be connected; But its elasticity is controlled this bobbin and is moved, and then it is flexible to control this cutter heart; Wherein this core bar one end is axially established a cutter groove, and this cutter heart is round bar shape, is to be installed in removably in this cutter groove, and its cutting blade end protrudes out outside this cutter groove.

2. by the said art designing's graver of claim 1 structural improvement, it is characterized in that said cutter groove, fill out card one ring set on its cell wall, this cutter heart then wore this ring set, with this ring set with cutter heart strong fix.

3. by the said art designing's graver of claim 1 structural improvement, it is characterized in that said cutter groove, its bottom land is filled out and is established a magnetic patch, and fixed bit is then inhaled with this magnetic patch in the end of this cutter heart.

4. by the said art designing's graver of claim 1 structural improvement, it is characterized in that said core bar, it wears a flexible centring ring ring; The other end of this core bar props up a bearing; One end section of this bobbin is established the heart hole that an internal diameter is equivalent to this bearing outside diameter, and nearly pipe end place, this heart hole establishes a thread segment; This bobbin other end section is established the heart hole that an internal diameter is equivalent to this core bar external diameter, this disloyalty hole is communicated with each other, forms a retaining wall in intersection, and this core bar is placed through in this disloyalty hole, centring ring ring on it is this retaining wall institute block, and the cutting blade end of this cutter heart stretches out outside this bobbin; This thread segment is locked an adjustment screw and is contacted with this bearing; One end inside of this display pipe sets firmly a bearing, the end of this this spring of bearing block, and this cutter heart that protrudes out this bobbin is extended through in this spring and the bearing.

5. by the said art designing's graver of claim 4 structural improvement, it is characterized in that said core bar, it can divide into the first bar section and one second bar section, and the diameter of this first bar section is big than this second bar section; The open end of this first bar section is established this cutter groove, and the open end of this second bar section is convexly equipped with a conehead, and the maximum gauge of this conehead is equivalent to this first bar section, and this centring ring is located on this second bar section.

6. by the said art designing's graver of claim 1 structural improvement, it is characterized in that said graver display pipe, which is provided with a safeguard protection part, when this cutter heart when capacity reducing is in this display pipe, can be with this cutter heart locking location.

7. by the said art designing's graver of claim 4 structural improvement; it is characterized in that said bobbin; it has one first pipeline section and one second pipeline section; this first pipeline section external diameter is big than this second pipeline section; form a drop edge in its intersection, this safeguard protection part is a hand adjustment screw, is arranged in a hole of presetting on the tube wall of this display pipe; its position is to be equivalent to this spring push against this bobbin and make this cutter heart capacity reducing when this display pipe, with respect to the position of this drop rim side.