CN203637379U

CN203637379U - Spiral telescopic ball-point pen

Info

Publication number: CN203637379U
Application number: CN201320749509.7U
Authority: CN
Inventors: 周新潮
Original assignee: YUYAO SUCCESS STATIONERY MANUFACTURING Co Ltd
Current assignee: YUYAO SUCCESS STATIONERY MANUFACTURING Co Ltd
Priority date: 2013-11-20
Filing date: 2013-11-20
Publication date: 2014-06-11
Anticipated expiration: 2023-11-20

Abstract

The utility model discloses a spiral telescopic ball-point pen which comprises a front pen sleeve, a connecting piece, a refill, a rear pen sleeve and an inner pen point sleeve, wherein the front pen sleeve, the connecting piece and the rear pen sleeve are connected through threads in sequence, and the front end of the front pen sleeve is provided with an opening for allowing the inner pen point sleeve to penetrate through; according to the utility model, through the arrangement of the inner pen point sleeve which is telescopic inside the front pen sleeve, the inner pen point sleeve can be extended out of the front pen sleeve after one-time rotation, and the refill is extended out of the inner pen point sleeve after quadric rotation; during contraction, after one-time rotation, the refill is contracted to the interior of the inner pen point sleeve, and after second quadric rotation, the inner pen point sleeve is contracted to the interior of the front pen sleeve, so as to prevent the refill from being directly connected with the front pen sleeve, the front pen sleeve is effectively prevented from being contaminated by leaked printing ink, and further clothes of a user is further prevented from being infected by printing ink; the spiral telescopic ball-point pen provided by the utility model has a simper structure, the using is more convenient, and the spiral telescopic ball-point pen is suitable for being popularized and used.

Description

A kind of spiral expanding formula ball pen

Technical field

The utility model relates to a kind of spiral expanding formula ball pen.

Background technology

Existing twist-type telescopic ball pen; its front cap for brush is mostly fixed; in writing process; ball pen often there will be the situation of leakage of oil, and in the time that the situation of leakage of oil occurs, user is shrinking after ball pen; ink on its nib can be infected with on the cap for brush; user is in carrying this ball pen, and the ink on its cap for brush can infect on user's clothes, is difficult to remove.

So how making the ink that ball pen leaks not infect on clothes, is the problem that needs solution.

Utility model content

The technical problems to be solved in the utility model is to provide a kind of spiral expanding formula ball pen, this utility model can provide two sections to stretch, on pen core, arrange more one can be flexible inner pen tip cover, pen core is not directly contacted with the pen cap, effectively prevent that leaked ink from infecting user's clothes, and structure is comparatively novel, uses more for convenience.

For addressing the above problem, the utility model adopts following technical scheme:

A kind of spiral expanding formula ball pen, comprise front pen socket, connector, pen core, the rear pen cap and inner pen tip cover, described front pen socket, connector is connected by screw thread successively with the rear pen cap, the front end of described front pen socket have for inner pen tip cover through opening, described front pen socket inner side, be provided with the first block near opening part, on described connector inwall, be provided with the second block, described inner pen tip cover one end extends to opening outside, the other end and described the second block offset, described inner pen tip cover is arranged with the first spring on outer ring, described first spring one end and the first block offset, the other end and the second block offset, the inner passage that is provided with a taper of described inner pen tip cover, in this passage, be provided with second spring, described pen core one end is stepped, the cascaded surface of this pen core is stuck on the second spring, the described pen core other end extends in the rear pen cap, described rear pen cap inwall is provided with a movable sleeve, between described movable sleeve and the rear pen cap, adopt chute to be connected, the described pen core other end is arranged in movable sleeve, and offset with movable sleeve.

As preferred technical scheme, described rear pen cap outer wrap has crust.

As preferred technical scheme, the described rear pen cap is provided with an installing hole away from one end of connector, and is combined with a fixture by this installing hole.

As preferred technical scheme, the radian that described shell has, forms a complete curved surface after the outer surface splicing of described shell, connector and front pen socket.

As preferred technical scheme, described front pen socket is taper sheath, and its one end near connector is the larger one end of sectional area, is one end that sectional area is less away from one end of connector.

As preferred technical scheme, described the first block is strip, and the first block annular is provided with more than two.

As preferred technical scheme, on the madial wall of described inner pen tip cover, annular is provided with several card articles, described in be slidingly connected and be equipped with the draw-in groove being connected with described card article, when realizing inner pen tip cover with movable sleeve by set card article and draw-in groove, rotate.

The beneficial effects of the utility model are: the utility model is by arranging a telescopic inner pen tip cover in front pen socket inside, once after rotation, inner pen tip cover can be extended to front pen socket outside, after secondary rotating, again pen core is extended to inner pen tip cover outside, when contraction, once rotate pen core is first contracted in inner pen tip cover, after secondary rotating, again inner pen tip cover is contracted to front pen socket inside, prevent pen core directly and front pen socket joint, effectively avoid leaked ink to be infected with front pen socket, and then prevent that ink from infecting user's clothing, the structure of this device is comparatively simple, use more for convenience, be applicable to promoting the use of.

Accompanying drawing explanation

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.

Fig. 1 is cutaway view of the present utility model;

Fig. 2 is the structural representation of front pen socket in the utility model;

Fig. 3 be in the utility model after the fit structure schematic diagram of the pen cap and shell;

Fig. 4 is the structural representation of pen core in the utility model;

Fig. 5 is the fit structure schematic diagram of inner pen tip cover and movable sleeve.

The specific embodiment

Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that, protection domain of the present utility model is made to more explicit defining.

Consult a kind of spiral expanding formula ball pen shown in Fig. 1 to Fig. 5, comprise front pen socket 1, connector 2, pen core 3, the rear pen cap 4 and inner pen tip cover 5, described front pen socket 1, connector 2 is connected by screw thread successively with the rear pen cap 4, the front end of described front pen socket 1 has for inner pen tip cover 5 openings that pass 101, described front pen socket 1 inner side, be provided with the first block 102 near opening 101 places, on described connector 2 inwalls, be provided with the second block 201, described inner pen tip overlaps 5 one end and extends to opening 101 outsides, the other end and described the second block 201 offset, described inner pen tip overlaps and on 5 outer rings, is arranged with the first spring 6, described first spring 6 one end and the first block 102 offset, the other end and the second block 201 offset, described inner pen tip overlaps 5 inside and is provided with the passage 501 of a taper, in this passage 501, be provided with second spring 7, described pen core 3 one end are stepped, the cascaded surface of this pen core 3 is stuck on the second spring 7, described pen core 3 other ends extend in the rear pen cap 4, the described rear pen cap 4 inwalls are provided with a movable sleeve 8, between described movable sleeve 8 and the rear pen cap 4, adopt chute to be connected, described pen core 3 other ends are arranged in movable sleeve 8, and offset with movable sleeve 8.

Wherein, the described rear pen cap 4 outer wrap have crust 9.

The described rear pen cap 4 is provided with an installing hole 401 away from one end of connector 2, and is combined with a fixture 10 by this installing hole 401.

The radian that described shell 9 has, forms a complete curved surface after the outer surface splicing of described shell 9, connector 2 and front pen socket 1.

Described front pen socket 1 is taper sheath, and its one end near connector 2 is the larger one end of sectional area, is one end that sectional area is less away from one end of connector 2.

Described the first block 102 is strip, and the first block 102 annulars are provided with more than two, and described the first block is provided with six in the present embodiment.

On the madial wall of described inner pen tip cover 5, annular is provided with several card articles 502, and described movable sleeve 8 is provided with the draw-in groove 801 being connected with described card article 502, when realizing inner pen tip cover with movable sleeve, rotates by set card article and draw-in groove.

Specific implementation process of the present utility model: when use, be rotated in the forward for the first time the rear pen cap, pass through threaded engagement, inner pen tip is enclosed within the effect of the rear pen cap, extend to front pen socket outside, the pen cap after being rotated in the forward again once, pen core is under the effect of movable sleeve, extend to inner pen tip cover outside, in the time finishing using, the pen cap after reverse rotation once, pen core is retracted into internal ratio and overlaps inside under the effect of the second spring, reverse rotation once, is inside relatively enclosed within the effect of the first spring in indentation front pen socket again, works complete.

More than show and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present utility model; under the prerequisite that does not depart from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims

1. a spiral expanding formula ball pen, it is characterized in that: comprise front pen socket, connector, pen core, the rear pen cap and inner pen tip cover, described front pen socket, connector is connected by screw thread successively with the rear pen cap, the front end of described front pen socket have for inner pen tip cover through opening, described front pen socket inner side, be provided with the first block near opening part, on described connector inwall, be provided with the second block, described inner pen tip cover one end extends to opening outside, the other end and described the second block offset, described inner pen tip cover is arranged with the first spring on outer ring, described first spring one end and the first block offset, the other end and the second block offset, the inner passage that is provided with a taper of described inner pen tip cover, in this passage, be provided with second spring, described pen core one end is stepped, the cascaded surface of this pen core is stuck on the second spring, the described pen core other end extends in the rear pen cap, described rear pen cap inwall is provided with a movable sleeve, between described movable sleeve and the rear pen cap, adopt chute to be connected, the described pen core other end is arranged in movable sleeve, and offset with movable sleeve.

2. spiral expanding formula ball pen according to claim 1, is characterized in that: described rear pen cap outer wrap has crust.

3. spiral expanding formula ball pen according to claim 1, is characterized in that: the described rear pen cap is provided with an installing hole away from one end of connector, and is combined with a fixture by this installing hole.

4. spiral expanding formula ball pen according to claim 2, is characterized in that: the radian that described shell has, forms a complete curved surface after the outer surface splicing of described shell, connector and front pen socket.

5. spiral expanding formula ball pen according to claim 1, is characterized in that: described front pen socket is taper sheath, its one end near connector is the larger one end of sectional area, is one end that sectional area is less away from one end of connector.

6. spiral expanding formula ball pen according to claim 1, it is characterized in that: described the first block is strip, and the first block annular is provided with more than two.

7. spiral expanding formula ball pen according to claim 1, is characterized in that: on the madial wall of described inner pen tip cover, annular is provided with several card articles, described in be slidingly connected and be equipped with the draw-in groove being connected with described card article.