CN208930972U

CN208930972U - A pen cap anti-lost pen shell

Info

Publication number: CN208930972U
Application number: CN201721566168.4U
Authority: CN
Inventors: 张瑞; 葛庆; 周楠
Original assignee: Hangzhou Vocational and Technical College
Current assignee: Hangzhou Vocational and Technical College
Priority date: 2017-11-22
Filing date: 2017-11-22
Publication date: 2019-06-04
Anticipated expiration: 2027-11-22

Abstract

The utility model discloses a pen cap anti-lost pen shell, which comprises a pen holder, a pen point and a pen sleeve sleeved at the front end of the pen holder to cover the pen point, wherein the inner wall of the pen sleeve is provided with an internal thread, two ends of the internal thread are both provided with bulges, the outer wall of the pen holder is provided with an external thread engaged with the internal thread of the pen sleeve, the pen sleeve is movably sleeved on the pen holder through the engagement of the internal thread and the external thread, the outer wall of the pen holder is provided with a baffle ring which is arranged at a distance from the external thread of the pen holder, the distance between the baffle ring and the external thread of the pen holder is equal to the length of the pen point, and the rear end of the pen sleeve is provided with a buckle, so that the pen holder and the pen sleeve can not be separated, the pen sleeve is prevented from being lost, the gravity center of the pen holder is relatively stable, the outer pen sleeve is rotated clockwise, the automatic opening, and the external thread on the pen holder is arranged in a sectional manner, so that the processing cost is saved.

Description

A kind of anti-lost formula shell of pen cap

Technical field

The utility model relates to a kind of shells, more specifically say, are related to a kind of anti-lost formula shell of pen cap.

Background technique

There are many type, writing brush, pen, pencil, gel ink pens etc. for pen.In people's daily writing, convenient, durable neutrality Pen occupies most.Common gel ink pen is that a shell is made of penholder, pen tip, pen cap, and there is many to ask for this shell Topic, if people are when using pen, penholder and pen cap separation cause pen cap to throw out without care, and small in size because of pen cap, and usually look for not It arrives, pen cap is placed into tail, then centre-of gravity shift, it is inconvenient to write.

Utility model content

The utility model aim is solution prior art problem, provides, easy to use and pen cap simple with structure A kind of anti-lost formula shell of pen cap of equal technical characterstics not easy to lose.

To achieve the goals above, the utility model is achieved through the following technical solutions:

A kind of anti-lost formula shell of pen cap, including penholder, nib and be sheathed on penholder front end with cover nib pen cap pipe, Internal screw thread is equipped on the inner wall of the pen cap pipe, two ends of the internal screw thread are provided with protrusion, the penholder outer wall On be equipped with the external screw thread being engaged with pen cap pipe internal screw thread, the pen cap pipe covers it movably by internal and external screw thread occlusion It is located on penholder, baffle ring is provided on the penholder outer wall, the baffle ring and penholder external screw thread interval are arranged, and its spacing distance Equal to the length of nib, pen cap pipe rear end is provided with buckle, rotary pen casing, described when the fully extended pen cap pipe of nib Clamping baffle ring be clasped so that pen cap pipe is located on penholder.

As an improvement the outer tube that the pen cap pipe includes inner sleeve and is rotatably set on inner sleeve, The outer tube front edge is bent inwardly and has extended to form base station, is provided between the base station and inner sleeve nozzle and housing The automatic sliding door of pipe linkage, rotating jacket pipe is to realize automatic sliding door open or close.

As an improvement the automatic sliding door includes several sickle-shaped blades, the both ends of the sickle-shaped blade It is respectively arranged with column body, lower prop, the column body, lower prop are separately positioned on the positive and negative end face of sickle-shaped blade, institute It states column body equidistantly and is spindle rotationally arranged on inner sleeve edge, offered on the base station and sickle-shaped blade quantity one The groove of cause is sequentially overlapped between the sickle-shaped blade, and the lower prop on sickle-shaped blade be successively spindle rotationally arranged in it is recessed In slot.

As an improvement there are two locating parts, the locating part interval to be arranged for setting between the inner sleeve and outer tube, And be locked respectively automatic sliding door opening and closing when outer tube.

As an improvement the length of the inner sleeve is greater than housing length of tube, it is provided on the outer wall of the outer tube One layer of colloidal silica.

As an improvement the external screw thread segmented on the penholder outer wall is arranged.

The utility model has the beneficial effects that penholder is connect with pen cap pipe screw thread, and pen cap is realized by baffle ring and protrusion Pipe is movably set on penholder, and penholder will not be separated with pen cap pipe, and pen cap pipe is avoided to lose；It is not necessary that pen cap pipe is placed In penholder rear end, penholder center of gravity is more stable；It is suitable, rotate counterclockwise the outer pen cap, realize that automatic sliding door is automatically opened or is opened and closed, Pen is set to be accompanied with enjoyment, automatic sliding door is opened, and nib stretches out outer tube；Nib retraction outer tube, automatic sliding door are closed, are made With conveniently, the pen core in nib is avoided to damage under unused state；External screw thread segmented setting on penholder, saving are processed into This.

Detailed description of the invention

Fig. 1 is the perspective view of the utility model.

Fig. 2 is the cross-sectional view of the utility model.

Fig. 3 is half disassembly diagram of the utility model.

Fig. 4 is one of half disassemblying structure schematic diagram of the utility model pen cap pipe.

Fig. 5 is the two of half disassemblying structure schematic diagram of the utility model pen cap pipe.

Fig. 6 is the automatic sliding door structural schematic diagram of the utility model.

Fig. 7 is the sickle-shaped blade construction schematic diagram of the utility model.

Fig. 8 is the usage state diagram of the utility model.

Specific embodiment

The embodiments of the present invention are further described with reference to the accompanying drawing.Following embodiment only to the application into Row further illustrates, should not be construed as the limitation to the application.

It is as shown in figures 1-8 a kind of specific embodiment of the anti-lost formula shell of pen cap, a kind of anti-lost formula pen of pen cap of the embodiment Shell including penholder 1, nib 2 and is sheathed on 1 front end of penholder to cover the pen cap pipe 3 of nib 2, on the inner wall of the pen cap pipe 3 It is equipped with internal screw thread, two ends of the internal screw thread are provided with protrusion 4, are equipped with and pen cap pipe 3 on 1 outer wall of penholder The external screw thread of internal screw thread occlusion, the pen cap pipe 3 is set in it movably on penholder 1 by internal and external screw thread occlusion, described Baffle ring 5 is provided on 1 outer wall of penholder, the baffle ring 5 is arranged with 1 external screw thread interval of penholder, and its spacing distance is equal to nib 2 Length, 3 rear end of pen cap pipe are provided with buckle 6, rotary pen casing 3, when written 2 fully extended pen cap pipe 3, the buckle 6 Cooperate clamping baffle ring 5 so that pen cap pipe 3 is located on penholder 1；

A kind of anti-lost formula shell of pen cap of the utility model, including penholder 1, nib 2 and are sheathed on 1 front end pen cap pipe of penholder 3, pen cap pipe 3 is equipped with internal screw thread on the inner wall of pen cap pipe 3, is equipped on 1 outer wall of penholder and pen cap pipe 3 for covering nib 2 The external screw thread of internal screw thread occlusion, is engaged, so that pen with the external screw thread on 1 outer wall of penholder by the internal screw thread on 3 inner wall of pen cap pipe Casing 3 is movably set on penholder 1, suitable, rotate counterclockwise pen cap pipe 3, and pen cap pipe 3 is moved forward and backward realization on penholder 1 Pen cap pipe 3 covers nib 2 or exposes nib 2, is provided with baffle ring 5 on 1 outer wall of penholder, baffle ring 5 is set with 1 external screw thread interval of penholder It sets, and the spacing distance between 1 external screw thread of baffle ring 5 and penholder is equal to the length of nib 2, two ends of 3 internal screw thread of pen cap pipe are equal Be provided with protrusion 4, when pen cap pipe 3 be moved forward and backward to just cover nib 2 or expose nib 2 when, by protrusion 4 pairs of penholders 1 outside External screw thread engaging on wall is continued to rotate with limiting pen cap pipe 3, baffle ring 5 and raised 4 spacing realize to pen cap pipe 3 be moved forward and backward away from From limitation so that the free-moving distance in the front and back of pen cap pipe 3 is baffle ring 5 and 1 external screw thread spacing of penholder, 3 rear end of pen cap pipe It is provided with buckle 6, rotary pen casing 3, when written 2 fully extended pen cap pipe 3,6 cooperation clamping baffle rings 5 of buckle, so that pen cap pipe 3 It is located on penholder 1, the length due to baffle ring 5 and 1 external screw thread spacing distance of penholder equal to written 2, so that nib 2 is just stretched out When pen cap pipe 3 is outer, buckle 6 just cooperates clamping baffle ring 5, and 3 position of pen cap pipe is further fixed (as shown in Figure 8).

As an improvement the housing that the pen cap pipe 3 includes inner sleeve 7 and is rotatably set on inner sleeve 7 Pipe 8,8 front edge of outer tube are bent inwardly and have extended to form base station 9, be arranged between 7 nozzle of the base station 9 and inner sleeve There is the automatic sliding door to link with outer tube 8, rotating jacket pipe 8 is to realize automatic sliding door open or close；As Fig. 2-6 institute Show, pen cap pipe 3 includes inner sleeve 7, outer tube 8, and outer tube 8 is rotatably set on inner sleeve 7,8 front edge of outer tube Base station 9 is bent and extended to form inwardly, and the automatic open-close to link with outer tube 8 is provided between 7 nozzle of base station 9 and inner sleeve Door, by it is suitable, rotate counterclockwise outer tube 8 so that automatic sliding door opens or closes, when needing using pen, first rotating jacket Pipe 8 is rotated further by inner sleeve 7 and nib 2 is made to be pierced by automatic open-close outdoors, not when using pen, first turn to open automatic sliding door Dynamic inner sleeve 7 is retracted nib 2 in automatic sliding door, is rotated further by outer tube 8 to close automatic sliding door, passes through automatic open-close Door setting, so that pen is accompanied with, enjoyment is emerging, while the pen core in nib 2 also being avoided to damage under unused state, practical, Interest is high.

As an improvement the automatic sliding door includes several sickle-shaped blades 10, the sickle-shaped blade 10 Both ends are respectively arranged with column body 11, lower prop 12, and the column body 11, lower prop 12 are separately positioned on sickle-shaped blade 10 On positive and negative end face, the column body 11 is equidistant and is spindle rotationally arranged on 7 edge of inner sleeve, offers on the base station 9 It with the sickle-shaped consistent groove 14 of 10 quantity of blade, is sequentially overlapped between the sickle-shaped blade 10, and on sickle-shaped blade 10 Lower prop 12 is successively spindle rotationally arranged in groove 14；As shown in figs. 4-7, automatic sliding door includes several sickle-shaped blades 10, the both ends of sickle-shaped blade 10 are respectively arranged with column body 11 and lower prop 12, and column body 11, lower prop 12 are separately positioned on On the positive and negative end face of sickle-shaped blade 10, sickle-shaped 10 one end of blade is spindle rotationally arranged in the pipe of inner sleeve 7 by column body 11 On mouthful edge, and spaced set between the column body 11 on 7 nozzle edge of inner sleeve, offered on base station 9 with it is sickle-shaped The consistent groove 14 of 10 quantity of blade, sickle-shaped 10 other end of blade are sequentially overlapped, and on each sickle-shaped blade 10 under Cylinder 12 is successively spindle rotationally arranged in groove 14, suitable, rotate counterclockwise outer tube 8, is driven between sickle-shaped blade 10 mutually It scatters or polymerize, realize automatically opening and closing for automatic sliding door, structure is simple, interest is strong.

As an improvement setting is there are two locating part 13 between the inner sleeve 7 and outer tube 8, between the locating part 13 Every setting, and be locked respectively automatic sliding door opening and closing when outer tube 8；As shown in Figure 4,5, inner sleeve 7 and outer Setting is there are two locating part 13 between casing 8, two interval of locating parts 13 settings, suitable, rotate counterclockwise outer tube 8, opens when automatically When closing door and opening, one of locating part 13 is locked outer tube 8, so that automatic sliding door is kept open, when automatic When switching door is closed, another locating part 13 is locked outer tube 8, so that automatic sliding door remains off, it is simple real With, it is convenient and efficient.

As an improvement the length of the inner sleeve 7 is greater than 8 length of outer tube, it is arranged on the outer wall of the outer tube 8 There is one layer of colloidal silica；The length of inner sleeve 7 is greater than 8 length of outer tube, and convenient for pinching inner sleeve 7 on the other hand, the rotation of another hand is outer Casing 8, it is simple and convenient, operation is convenient, is provided with one layer of colloidal silica on the outer wall of outer tube 8, improve comfort level when writing.

As an improvement the external screw thread segmented on 1 outer wall of penholder is arranged；External screw thread number on 1 outer wall of penholder Amount takes two or more settings, both can achieve and has been engaged with the internal screw thread on 7 inner wall of inner sleeve, can also save production material Material, reduces cost.

Finally it should be noted that the utility model is not limited to above embodiments, there can also be many variations.This field The those of ordinary skill's all deformations that directly can export or associate from content disclosed by the utility model, be considered as The protection scope of the utility model.

Claims

1. An anti-lost pen cap for a pen cap, comprising a pen holder (1), a pen tip (2) and a pen sleeve (3) sleeved on the front end of the pen holder (1) to cover the pen head (2), characterized in that: the described The upper ring of the inner wall of the pen sleeve (3) is provided with an inner thread, and both ends of the inner thread are provided with protrusions (4). The outer thread of the threaded engagement, the pen sleeve (3) is movably sleeved on the pen barrel (1) through the engagement of the inner and outer threads, and the outer wall of the pen barrel (1) is provided with a retaining ring (5), so The retaining ring (5) and the outer thread of the pen holder (1) are arranged at intervals, and the interval distance is equal to the length of the pen head (2). ), when the pen head (2) extends completely out of the pen sleeve (3), the buckle (6) cooperates with the retaining ring (5) so that the pen sleeve (3) is positioned on the pen barrel (1);

The pen sleeve (3) includes an inner sleeve (7) and a rotatable outer sleeve (8) sleeved on the inner sleeve (7), and the front edge of the outer sleeve (8) is bent inward and extended to form There is a base (9), an automatic opening and closing door linked with the outer sleeve (8) is arranged between the base (9) and the nozzle of the inner sleeve (7), and the outer sleeve (8) is rotated to realize automatic opening and closing the door is opened or closed;

The automatic opening and closing door includes a plurality of sickle-shaped blades (10), and both ends of the sickle-shaped blade (10) are respectively provided with an upper cylinder (11) and a lower cylinder (12), and the upper cylinder (10). 11), the lower cylinder (12) is respectively arranged on the front and back end faces of the sickle-shaped blade (10), the upper cylinder (11) is equidistantly and rotatably arranged on the edge of the inner sleeve (7), so The base (9) is provided with grooves (14) in the same number as the sickle-shaped blades (10), the sickle-shaped blades (10) are stacked in sequence, and the lower cylinder ( 12) It is rotatably arranged in the groove (14) in turn.

2 . The anti-lost pen cap according to claim 1 , wherein two limiting members ( 13 ) are arranged between the inner sleeve ( 7 ) and the outer sleeve ( 8 ). 3 . The limiting members (13) are arranged at intervals, and respectively lock and fix the outer sleeve (8) when the automatic opening and closing door is opened and closed.

3. The anti-lost pen cap according to claim 1, characterized in that: the length of the inner sleeve (7) is greater than the length of the outer sleeve (8), and the outer wall of the outer sleeve (8) is A layer of silica gel is provided.

4 . The anti-lost pen cap according to claim 1 , wherein the external threads on the outer wall of the pen holder (1) are arranged in sections. 5 .