CN108656791A

CN108656791A - A kind of neutral fountain pen of pen tip automatic retracted

Info

Publication number: CN108656791A
Application number: CN201810850461.6A
Authority: CN
Inventors: 张运
Original assignee: Individual
Current assignee: Xuzhou Henghua Packaging Technology Co ltd
Priority date: 2018-07-28
Filing date: 2018-07-28
Publication date: 2018-10-16
Anticipated expiration: 2038-07-28
Also published as: CN108656791B

Abstract

The present invention relates to a kind of neutral fountain pen of pen tip automatic retracted, including penholder, the pen core being placed in penholder and the turncap being screwed on penholder, there is gravity block in penholder, be connected through the first tension spring between gravity block and turncap；Have on penholder and be placed in penholder and the shaft consistent with penholder length direction, has the cam path of the axis spiral setting along shaft in shaft, have on sliding block and be placed in cam path with the matched cam follower of cam path, cam follower；There is block flange on pen core, there are rotary block corresponding with block flange, one end of rotary block to be connect with shaft in shaft, when rotary block is rotated with shaft, the other end of rotary block and block Hp contacts detach, to realize the block to the axial position of pen core or release block；There are the compression bar slid vertically through turncap, the one end of compression bar being placed in penholder to there is the jack to match with pen core, compression bar to be slided to the direction far from pen core on turncap through elastic acting force on turncap.

Description

A kind of neutral fountain pen of pen tip automatic retracted

Technical field

The present invention relates to writing implement, especially a kind of neutral fountain pen of pen tip automatic retracted.

Background technology

In daily study, work and life, often to use lettering pen and be made a copy of, taken down notes, signed, especially exist The occasions such as classroom, examination hall are to the most frequently used of lettering pen；And common lettering pen such as pen, water-color paintbrush, ball pen etc. is Write or painted using the pen tip for speckling with black oil, once therefore pen tip it is impaired, can be brought not to normal study and work With the influence of degree, such as during examination, contract signing it is also possible to that the damage for being difficult to retrieve can be brought in some specific situations It loses.

Pen tip is impaired typically because the accidental falling of lettering pen causes pen tip and the making contact on ground or hard object to cause, by Do not have pen tip defencive function in common lettering pen, the lettering pen such as pen, water-color paintbrush etc. for even carrying pen cap also only has Pen tip can just be protected when not in use, in use can not in time, effectively pen tip is protected, once Lettering pen accidentally falls ground in use, it is most likely that pen tip can be caused to damage, to influence to use, be brought to user Unnecessary puzzlement.

Invention content

For the above situation, to make up the technical deficiency present in the prior art, a kind of pen tip of present invention offer returns automatically The neutral fountain pen of contracting, to solve the problems, such as that existing lettering pen can not in time protect pen tip in accidental falling.

Its solve technical solution be：Include penholder equipped with accommodating cavity, the pen core being placed in the accommodating cavity body of penholder With the turncap being screwed on penholder, there is the gravity block that the length direction along penholder moves in the accommodating cavity body of the penholder, weight Be connected through the first tension spring between power block and turncap, when penholder is uprightly write, gravity block under self gravitation effect to The pen tip direction movement of pen core makes the first tension spring stretch accumulation of energy；Have on the penholder be placed in the accommodating cavity body of penholder and with pen The consistent shaft in pole length direction has the cam path of the axis spiral setting along shaft in shaft, has and cam path on sliding block The end of the cam follower matched, cam follower is placed in cam path, and when gravity block is moved along the length direction of penholder, shaft exists The rotation along own axes is generated under the gearing of cam path and cam follower；One end where pen tip on the pen core There is block flange, there is rotary block corresponding with block flange, one end of rotary block to be connect with shaft in shaft, when rotation is kept off When block is rotated with shaft, the other end of rotary block is contacted or is detached with the end face of the pen tip of the separate pen core of block flange, from And it realizes the block to the axial position of pen core or releases block；There is the compression bar slid vertically through turncap on the turncap, There is the jack to match with pen core in the one end of compression bar being placed in the accommodating cavity body of penholder, and the corresponding end of pen core, which is seated, to be installed on In jack, compression bar slides on turncap to the direction far from pen core through elastic acting force.

Structure of the invention is exquisite, easy to operate, kinetic characteristic when using spring freely falling body so that when penholder falls its Internal part automatic trigger link and pen core is retracted rapidly in penholder, to pen tip carry out in time, be effectively protected；Pass through The pop-up that pen core simply can be realized by moulded rod not only has the simple and fast feature of existing lettering pen, is also equipped with existing Automatic protection functions not available for lettering pen so that user can easily cope with any emergency case, it is not necessary to worry When important events because pen tip damage caused by heavy losses.

Description of the drawings

Fig. 1 is the front view of the present invention.

Fig. 2 is the axonometric drawing of the present invention.

Front view when Fig. 3 is present invention work.

Axonometric drawing when Fig. 4 is present invention work.

Specific implementation mode

The specific implementation mode of the present invention is described in further detail below in conjunction with attached drawing.

It is provided by Fig. 1 to Fig. 4, the present invention includes the penholder 1 for being equipped with accommodating cavity, is placed in the accommodating cavity body of penholder 1 Pen core 2 and the turncap 3 being screwed on penholder 1 have the length direction along penholder 1 to move in the accommodating cavity body of the penholder 1 Gravity block 4 is connected between gravity block 4 and turncap 3 through the first tension spring 5, and when penholder 1 is uprightly write, gravity block 4 is certainly The first tension spring 5 is set to stretch accumulation of energy to the movement of the pen tip direction of pen core 2 under body gravity；It is placed in penholder 1 on the penholder 1 Accommodating cavity body in and the shaft 6 consistent with 1 length direction of penholder, have the cam of the axis spiral setting along shaft 6 in shaft 6 Slot 7, have on sliding block 4 with 7 matched cam follower 8 of cam path, the end of cam follower 8 is placed in cam path 7, when gravity block 4 When being moved along the length direction of penholder 1, shaft 6 generates under the gearing of cam path 7 and cam follower 8 along own axes Rotation；There is block flange 9 in one end where pen tip on the pen core 2, there is rotation corresponding with block flange 9 in shaft 6 One end of block 10, rotary block 10 is connect with shaft 6, when rotary block 10 is rotated with shaft 6, rotary block 10 it is another End contacts or detaches with the end face of the pen tip of the separate pen core 2 of block flange 9, to realize the gear to the axial position of pen core 2 Only or release block；There are the compression bar 11 slid vertically through turncap 3, compression bar 11 to be placed in the accommodating of penholder 1 on the turncap 3 There is the jack 12 to match with pen core 2 in one end in cavity, and the corresponding end of pen core 2, which is seated, to be installed in jack 12, compression bar 11 It is slided to the direction far from pen core 2 on turncap 3 through elastic acting force.

Preferably, length direction of the gravity block 4 with penholder 1 along penholder 1 is slidably connected, 4 edge of gravity block is constituted The structure of the length direction movement of penholder 1.

Preferably, the gravity block 4 is set to the periphery of pen core 2 along the length direction sliding sleeve of pen core 2, gravity is constituted The structure that block 4 is moved along the length direction of penholder 1.

Preferably, having the baffle ring 13 being placed between compression bar 11 and gravity block 4, pen in the accommodating cavity body of the penholder 1 Core 2 runs through baffle ring 13, and with penholder 1 through being threadedly coupled, the gravity block 4 is connect with baffle ring 13 through the first tension spring 5 baffle ring 13, works as pen When bar 1 is uprightly write, gravity block 4 makes the first tension spring 5 stretch under self gravitation effect to the movement of the pen tip direction of pen core 2 Accumulation of energy.

Preferably, the second tension spring 14 being arranged on the compression bar 11 in the accommodating cavity body for being placed in penholder 1, second draws The both ends of spring 14 are connect with turncap 3 and compression bar 11 respectively, constitute pulling force of the compression bar 11 through the second tension spring 14 on turncap 3 to separate The structure of the direction sliding of pen core 2.

Preferably, be arranged with the compression spring being placed in outside turncap 3 on the compression bar 11, the both ends of compression spring respectively with turncap 3 and compression bar 11 connect, constitute the structure that elastic force of the compression bar 11 through compression spring slides on turncap 3 to the direction far from pen core 2.

Preferably, the shaft 6, cam path 7, cam follower 8 and rotary block 10 have at least two and edge respectively The circumference of penholder 1 is uniformly distributed.

Refer to the attached drawing 1-2, when being write using the present invention, lower moulded rod 11 makes the pen tip of pen core 2 extend downwardly penholder 1, penholder 1 is uprightly made into the pen tip of pen core 2 downward, gravity block 4 pulling force of the first tension spring 5 is overcome under self gravitation effect and to Lower slider；When gravity block 4 slides, shaft 6 generates under the gearing of cam path 7 and cam follower 8 to be turned along own axes It moves and drives rotary block 10 while rotating, the top that the end of rotary block 10 turns to block flange 9 keeps off block flange Only in current location, make pen core 2 that can not move up.

Unclamping compression bar 11 at this time can normally be write, and in writing process, the displacement of penholder 1 and vertical tremor can cause Gravity block 4 generate it is different degrees of slide up and down, the setting by the screw pitch to cam path 7 or the upper and lower ends in cam path 7 Respectively extend one section of vertical straight trough it is possible to prevente effectively from gravity block 4 is undesirably fallen off with first connecting rod 6 in writing process, ensures writing Continuity.

Refer to the attached drawing 3-4, due to the special freely falling body track of spring itself, is placed in down when accidental falling of the present invention One end of side remains stationary as or slowly falls, and the one end for being placed in top is rapid downward under the pulling force and gravity of spring itself Movement makes the barycenter of spring fall；Therefore, when pen tip downward and generate fall when, the gravity block 4 that is connect with 5 lower end of the first tension spring It remains stationary as or slowly falls, the penholder 1 being connect with 5 upper end of the first tension spring is in the pulling force of the first tension spring 5 and the weight of associated components It falls rapidly under force effect, which makes gravity block 4 generate upward opposite sliding on penholder 1, to make shaft 6 convex Rotating backward and driving rotary block 10 while inverting along own axes is generated under the gearing of race 7 and cam follower 8, The end of rotary block 10 is gradually detached with block flange 9, and pen core 2 is no longer influenced by block and with compression bar 11 in the second tension spring 14 Relative to 1 upward sliding of penholder under pulling force effect, the second tension spring 14 generates identical with above-mentioned first tension spring, 5 property during being somebody's turn to do The movement of falling object；Pen core 2 makes the pen tip of pen core 2 be retracted 1 inside of penholder relative to the upward sliding of penholder 1, therefore works as penholder 1 After landing, pen tip will not be hit.

When pen tip upward and generate fall when, identical as above-mentioned principle, the first tension spring 5 equally generates freely falling body, and institute is not With, gravity block 4 moves downward rapidly under its own gravity and the pulling force effect of the first tension spring 5 in this case, block 10 with Shaft 6 generates reversion, to make the block of pen core 2 release and be retracted 1 inside of penholder, makes pen tip by effective protection；The situation Under, it is ensured that pen tip will not be hit with other objects when penholder 1 is bounced after falling, rolled.

It after the present invention picks up again, needs to reset pen core 2, reset operation and the behaviour before above-mentioned write Make unanimously, only then need to can uprightly use penholder 1 by down-pressed pole 11, operation is extremely convenient.

When the present invention when not in use, pen core 2 can be made to retract upward pen tip of the present invention, then it can be carried out preserve or Carry, when compression bar 11 is not pressed, pen core 2 will not pop up, and can not only pen tip be made to be protected, also can avoid occurring pen tip with Clothing, paper etc. contact and generate ink blok.

Claims

1. a kind of neutral fountain pen of pen tip automatic retracted, including penholder（1）, be placed in penholder（1）The pen core of inside（2）Be screwed on Penholder（1）On turncap（3）, which is characterized in that the penholder（1）There is gravity block in inside（4）, gravity block（4）With turncap（3） Between through the first tension spring（5）It is connected；The penholder（1）On be placed in penholder（1）Inside and and penholder（1）Length direction one The shaft of cause（6）, shaft（6）On have along shaft（6）Axis spiral setting cam path（7）, sliding block（4）On have and cam path （7）Matched cam follower（8）, cam follower（8）It is placed in cam path（7）It is interior；The pen core（2）On have block flange（9）, Shaft（6）On have and block flange（9）Corresponding rotary block（10）, rotary block（10）One end and shaft（6）Connection, when Rotary block（10）With shaft（6）When rotation, rotary block（10）The other end and block flange（9）End face contact or point From to realize to pen core（2）Axial position block or release block；The turncap（3）On slide vertically and run through Turncap（3）Compression bar（11）, compression bar（11）Be placed in penholder（1）One end of inside has and pen core（2）The jack to match（12）, Compression bar（11）Through elastic acting force in turncap（3）On to far from pen core（2）Direction sliding.

2. a kind of neutral fountain pen of pen tip automatic retracted according to claim 1, which is characterized in that gravity block（4）With pen Bar（1）Along penholder（1）Length direction be slidably connected.

3. a kind of neutral fountain pen of pen tip automatic retracted according to claim 1, which is characterized in that gravity block（4）Along pen Core（2）Length direction sliding sleeve be set to pen core（2）Periphery.

4. a kind of neutral fountain pen of pen tip automatic retracted according to claim 1, which is characterized in that penholder（1）Inside has It is placed in compression bar（11）With gravity block（4）Between baffle ring（13）, pen core（2）Through baffle ring（13）, baffle ring（13）With penholder（1）Through It is threadedly coupled, the gravity block（4）With baffle ring（13）Through the first tension spring（5）Connection.

5. a kind of neutral fountain pen of pen tip automatic retracted according to claim, which is characterized in that compression bar（11）On be arranged It is placed in penholder（1）Second tension spring of inside（14）, the second tension spring（14）Both ends respectively with turncap（3）And compression bar（11）Even It connects.

6. a kind of neutral fountain pen of pen tip automatic retracted according to claim 1, which is characterized in that compression bar（11）On be arranged It is placed in turncap（3）External compression spring, the both ends of compression spring respectively with turncap（3）And compression bar（11）Connection.

7. a kind of neutral fountain pen of pen tip automatic retracted according to claim 1, which is characterized in that shaft（6）, cam path （7）, cam follower（8）And rotary block（10）Have at least two respectively and along penholder（1）Circumference it is uniformly distributed.