CN103754018A

CN103754018A - Safety pen capable of preventing itself from being opened by children

Info

Publication number: CN103754018A
Application number: CN201310756605.9A
Authority: CN
Inventors: 刘永华
Original assignee: NINGBO JIANGBEI RUICHEN HANDICRAFT DESIGN Co Ltd
Current assignee: Zhao Qingjiao
Priority date: 2013-12-25
Filing date: 2013-12-25
Publication date: 2014-04-30
Anticipated expiration: 2033-12-25
Also published as: CN103754018B

Abstract

The invention relates to a safety pen capable of preventing itself from being opened by children. The safety pen comprises a pen rod, a pen sleeve and a pen refill. The pen refill is arranged in the pen rod. A protrusion is arranged in an inner ring of an opening of the pen sleeve. A flange matched with the protrusion is arranged at the tip of the pen rod. A press rod capable of pressing the pen refill out of the pen rod is arranged in the pen sleeve. A first thread is arranged below the protrusion, and a second thread matched with the first thread is arranged at the upper end of the outer side wall of the pen rod. The pen refill comprises an upper pen refill unit and a lower pen refill unit. A first through hole is formed at a position, positioned at the upper pen refill unit, of the pen rod. A pull rod penetrates the first through hole to be fixedly connected with the upper pen refill unit. The safety pen can prevent the children from opening a pen cap or pressing out the pen refill, thereby being high in safety.

Description

The safety pen that a kind of children of preventing open

Technical field

The present invention relates to the safety pen that a kind of children of preventing open.

Background technology

Pen, is the mankind's a invention greatly, is for the instrument of writing or painting.In the family that has child, after adult uses pen, tend in the place that uses pen, pen be left over, child often can take up one's pen when toy use.General pen, child is easy to press out pen core or opens the pen cap, and child holds Pen Association's coating and drawing at random, made dirty clothes or furniture, and nib is sharper, draws on furniture and can on furniture, mark one trace, damage furniture, stamp, to eyes, accidentally just can injure eyes, very dangerous.

Summary of the invention

The present invention is directed to prior art deficiency, provide one can prevent that children from opening the cap for brush or pressing out pen core, safe pen.

In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals: the safety pen that a kind of children of preventing open, comprise penholder, the pen cap and pen core, described pen core is arranged in described penholder, described pen cap opening part inner ring is provided with projection, described penholder pen tip is provided with the flange matching with described projection, in the described pen cap, be provided with the depression bar that pen core can be extruded to penholder, described projection below is provided with first screw thread, at described penholder lateral wall upper end, be provided with the second screw thread matching with described first screw thread, described pen core comprises pen core top and pen core bottom, on described penholder, be positioned at place, described pen core top and offer one number service hole, being provided with pull bar is fixedly connected with described pen core top through described one number service hole.When needs are used pen, first pull bar is pushed away in penholder, until pen core top contacts and is connected with pen core bottom, again the pen cap is taken down from pen tip, then, be enclosed within the upper end of penholder, in the process of cover, the second threaded engagement on first screw thread and penholder lateral wall in the pen cap is threaded, simultaneously, depression bar in the pen cap withstands pen core and presses down past pen core, pen core extrudes penholder the most at last, meanwhile, can rely on the degree of depth being threaded to decide and pen core need to be ejected to the length outside penholder, after finishing using, the pen cap is restored.

In technique scheme, in described penholder, be provided with fixed head and portable plate, described fixed head is fixed on described penholder inwall, between described fixed head and described portable plate, by elastic parts, be connected, on described fixed head, offer the through hole matching with described pen core, end, described pen core upper end is fixedly connected with described portable plate.Depression bar is depressed portable plate, makes the pen tip of pen core be forced out penholder, and meanwhile, elastic parts shrinks, after finishing using, the pen cap is separation with penholder, affected by elastic parts, and pen core is automatically withdrawn in penholder, easy to use.

In technique scheme, offer the semicircle chute matching with described portable plate on described penholder inwall, described portable plate is arranged in described chute.Portable plate is moved up and down in chute, the slip of portable propelling plate, the moving range of restriction portable plate, prevents that portable plate from rising too high under the elastic force impact of elastic parts, recovered slow.

In technique scheme, two faces that described pen core top is in contact with one another with described pen core bottom are two inclined-planes that mutually mate.After two the inclined-plane contact of coupling connects mutually, one of them inclined-plane has an effect stopping to another inclined-plane, thereby make user can understand clearly now pen core top, is connected completely with pen core bottom.

In technique scheme, on described pull bar, be provided with kink, described pull bar can be bent by described kink.Pull bar pulls open pen core top and pen core bottom after separating, bending pull bar, thus making, pull bar not being bent restorable time, pen core top to be connected with pen core bottom, the while also cannot press out pen core to penholder.

The present invention compared with prior art, has following beneficial effect: the present invention can prevent that children from opening the cap for brush or pressing out pen core, safe.Depression bar is depressed portable plate, makes the pen tip of pen core be forced out penholder, and meanwhile, elastic parts shrinks, after finishing using, the pen cap is separation with penholder, affected by elastic parts, and pen core is automatically withdrawn in penholder, easy to use.Portable plate moves up and down in chute, the slip of portable propelling plate, and the moving range of restriction portable plate, prevents that portable plate from rising too high under the elastic force impact of elastic parts, recovered slow.After two the inclined-plane contact of coupling connects mutually, one of them inclined-plane has an effect stopping to another inclined-plane, thereby make user can understand clearly now pen core top, is connected completely with pen core bottom.Pull bar pulls open pen core top and pen core bottom after separating, bending pull bar, thus making, pull bar not being bent restorable time, pen core top to be connected with pen core bottom, the while also cannot press out pen core to penholder.

Accompanying drawing explanation

Fig. 1 is schematic diagram of the present invention.

Fig. 2 is chute of the present invention and portable plate connection diagram.

Fig. 3 is the schematic diagram of pen core of the present invention top when be combined in pen core bottom.

Fig. 4 is the schematic diagram of pen core of the present invention top when separation with pen core bottom.

The specific embodiment

Below in conjunction with accompanying drawing and the specific embodiment, the present invention is described in further detail: referring to Fig. 1-Fig. 4, the safety pen that a kind of children of preventing open, comprise penholder 1, the pen cap 2 and pen core 3, described pen core 3 is arranged in described penholder 1, the described pen cap 2 opening part inner rings are provided with projection 21, described penholder 1 pen tip is provided with the flange 11 matching with described projection 21, in the described pen cap 2, be provided with the depression bar 22 that pen core 3 can be extruded to penholder, described projection 21 belows are provided with first screw thread 4, at described penholder 1 lateral wall upper end, be provided with the second screw thread 5 matching with described first screw thread 4.

In described penholder 1, be provided with fixed head 12 and portable plate 13, described fixed head 12 is fixed on described penholder 1 inwall, between described fixed head 12 and described portable plate 13, by elastic parts 14, be connected, on described fixed head 12, offer the through hole matching with described pen core 3, described pen core 3 ends, upper end are fixedly connected with described portable plate 13.Depression bar 22 is depressed portable plate 13, makes the pen tip of pen core 3 be forced out penholder 1, and meanwhile, elastic parts 14 shrinks, after finishing using, the pen cap 2 is separation with penholder 1, affected by elastic parts 14, and pen core 3 is automatically withdrawn in penholder 1, easy to use.

On described penholder 1 inwall, offer the chute 6 matching with described portable plate 13, described portable plate 13 is arranged in described chute 6.Portable plate 13 is moved up and down in chute 6, the slip of portable propelling plate 13, the moving range of restriction portable plate 13, prevents that portable plate 13 from rising too high under the elastic force impact of elastic parts 14, recovered slow.

Described pen core 3 comprises pen core top 31 and pen core bottom 32, is positioned at 31 places, described pen core top and offers one number service hole 7 on described penholder 1, is provided with pull bar 8 and is fixedly connected with described pen core top 31 through described one number service hole 7.

Two faces that described pen core top 31 is in contact with one another with described pen core bottom 32 are two inclined-planes that mutually mate.After two the inclined-plane contact of coupling connects mutually, one of them inclined-plane has an effect stopping to another inclined-plane, thereby make user can understand clearly now pen core top, is connected completely with pen core bottom.

On described pull bar 8, be provided with kink 81, described pull bar 8 can be bent by described kink 81.Pull bar 8 pulls open pen core top 31 and pen core bottom 32 after separatings, bending pull bar 8, thus making, pull bar 8 not being bent restorable time, pen core top 31 to be connected with pen core bottom 32, the while also cannot press out pen core 3 to penholder 1.

When needs are used pen, first pull bar 8 is pushed away in penholder 1, until pen core top 31 contacts and is connected with pen core bottom 32, again the pen cap 2 is taken down from pen tip, then, be enclosed within the upper end of penholder 1, in the process of cover, second screw thread 5 cooperations on first screw thread 4 and penholder lateral wall in the pen cap 2 are threaded, simultaneously, depression bar 22 in the pen cap 2 withstands portable plate 13 portable plate 13 is subdued, elastic parts 14 shrinks thereupon, and pen core 3 moves down simultaneously, pen core 3 extrudes penholder 1 the most at last, simultaneously, can rely on the degree of depth being threaded to decide and pen core 3 need to be ejected to the length outside penholder 1, what be namely threaded is darker, it is also just larger that pen core 3 stretches out length outside penholder 1, can easily control pen core 3 and stretch out the length outside penholder 1, after finishing using, the pen cap 2 is restored to the pen tip that is enclosed within penholder 3.Even if child takes out the pen cap, pen core can not be pressed out, thereby prevent the damage that child uses pen core to cause clothes, furniture, or the body part such as eyes to child causes damage.

Claims

1. a safety pen that prevents that children from opening, comprise penholder (1), the pen cap (2) and pen core (3), described pen core (3) is arranged in described penholder (1), the described pen cap (2) opening part inner ring is provided with projection (21), described penholder (1) pen tip is provided with the flange (11) matching with described projection (21), it is characterized in that: in the described pen cap (2), be provided with the depression bar (22) that pen core (3) can be extruded to penholder (1), described projection (21) below is provided with first screw thread (4), at described penholder (1) lateral wall upper end, be provided with the second screw thread (5) matching with described first screw thread (4), described pen core (3) comprises pen core top (31) and pen core bottom (32), on described penholder (1), be positioned at described pen core top (31) and locate to offer one number service hole (6), being provided with pull bar (8) is fixedly connected with described pen core top (31) through described one number service hole (7).

2. the safety pen that a kind of children of preventing as claimed in claim 1 open, it is characterized in that: in described penholder (1), be provided with fixed head (12) and portable plate (13), described fixed head (12) is fixed on described penholder (1) inwall, between described fixed head (12) and described portable plate (13), by elastic parts (14), be connected, on described fixed head (12), offer the through hole matching with described pen core (3), described pen core (3) end, upper end is fixedly connected with described portable plate (13).

3. the safety pen that a kind of children of preventing as claimed in claim 1 or 2 open, it is characterized in that: on described penholder (1) inwall, offer the chute (6) matching with described portable plate (13), described portable plate (13) is arranged in described chute (6).

4. the safety pen that a kind of children of preventing as claimed in claim 1 open, is characterized in that: two faces that described pen core top (31) is in contact with one another with described pen core bottom (32) are two inclined-planes that mutually mate.

5. the safety pen that a kind of children of preventing as claimed in claim 1 open, it is characterized in that: on described pull bar (8), be provided with kink (81), described pull bar (8) can be bent by described kink (81).