CN204020299U

CN204020299U - Short pen extends the pen cap

Info

Publication number: CN204020299U
Application number: CN201420508593.8U
Authority: CN
Inventors: 牛睿聪; 刘天霖; 王谭昇
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-09-04
Filing date: 2014-09-04
Publication date: 2014-12-17
Anticipated expiration: 2024-09-04

Abstract

The utility model discloses a kind of short pen and extend the pen cap, comprise penholder (1), the pen cap (2) and push rod (3), described penholder (1) is for having the body of rod of pen-holding cavity (11) and having for clamping first port (12) of short pen and being provided with second port (13) of push rod export mouth, the outer surface of the body of described penholder (1) is provided with external screw thread (111), the described pen cap (2) matches with described penholder (1) and is provided with internal thread (21), during use, push rod (3) and short pen (4) to be successively arranged in described penholder (1) and described short pen (4) is clamped in described first port (12) place, then described penholder (1) and the described pen cap (2) are screwed and clamp by described short pen (4).The short pen that the utility model provides extends the pen cap, and its structure is simple, is easy for installation and removal.

Description

Short pen extends the pen cap

Technical field

The utility model belongs to novel office table separation, and particularly the short pen of one extends the pen cap.

Background technology

Along with rapid development of economy, a class consumption is also in continuous growth, and it is more serious that the natural resources manufacturing a class also consumes, and comprises the petrochemical material of the timber manufacturing pencil, plumbous zinc, manufacture wax crayon, manufactures the calcium sulfate etc. of chalk.But as the class that this class of pencil, wax crayon and chalk in use shortens gradually, when using certain stage, because pen is short and normally cannot use and be dropped, so also cause the waste of material.In addition, some pens in use, also can pollute writer's skin, even cause allergy.So need to use the pen cap can normally carry out using or for pen and user being isolated to the length extending short pen.

Now some pens cap are commercially too numerous and diverse, not easily take out replacing after the short pen plug of some pen cap enters; Some chucking power is not enough, the easy retrude of short pen; Some design is too numerous and diverse, and accessory is more, and child is difficult to operation.

Summary of the invention

The utility model object is to provide a kind of short pen and extends the pen cap, and its structure is simple, is easy for installation and removal.

Based on the problems referred to above, the technical scheme that the utility model provides is:

A kind of short pen extends the pen cap, comprise penholder, the pen cap and push rod, described penholder be have pen-holding cavity the body of rod and have for clamping the first port of short pen and be provided with the second port of push rod export mouth, the outer surface of described penholder body is provided with external screw thread, the described pen cap matches with described penholder and is provided with internal thread, during use, push rod and short pen to be successively contained in described penholder and described short pen is clamped in described first port, then described penholder and the described pen cap to be screwed by described short pen clip tight.

Further, the outer surface of described first port is male cone (strobilus masculinus) and is provided with the groove of genesis analysis, and the end of the described pen cap is provided with the inner conical surface matched with the male cone (strobilus masculinus) of described first port.

Further, the inner surface of described first port is provided with radial anti-slip veins.

Further, the outer surface of described second port is provided with axial anti-slip veins.

Further, one end of described push rod is provided with the anticreep shaft shoulder and is provided with the step matched with the described anticreep shaft shoulder in described second port.

Further, the length of described push rod is consistent with the length of described penholder.

Compared with prior art, the utility model has the advantages that:

1. adopt the technical solution of the utility model, push rod and short pen to be successively arranged in penholder and short pen clip is held in the first port of penholder, then penholder and the pen cap being screwed can by tight for short pen clip, like this, the short pen that can not normally use is extended under the cooperation of penholder and the pen cap, normal use can be continued, install very convenient, and when short pen takes off by needs, penholder and the pen cap be unscrewed, with push rod, short pen is ejected, dismantle also very convenient;

2. adopt the technical solution of the utility model, its structure is simple, and cost is low, is applicable to many people and uses.

Accompanying drawing explanation

In order to be illustrated more clearly in the technical scheme of the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

The short pen of Fig. 1 the utility model extends the structural representation of pen cap embodiment;

Fig. 2 is the structural representation of penholder in the utility model embodiment;

Fig. 3 is the profile of penholder in the utility model embodiment;

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

Fig. 5 is the structural representation of push rod in the utility model embodiment;

Fig. 6 is the structural representation after the utility model embodiment assembles short pen;

Wherein: 1, penholder; 11, pen-holding cavity; 111, external screw thread; 12, the first port; 121, male cone (strobilus masculinus); 122, radial anti-slip veins; 123, groove; 13, the second port; 131, axial anti-slip veins; 132, step; 2, the pen cap; 21, internal thread; 22, inner conical surface; 3, push rod; 31, the anticreep shaft shoulder; 4, short pen.

Detailed description of the invention

Below in conjunction with specific embodiment, such scheme is described further.Should be understood that these embodiments are not limited to for illustration of the utility model limit scope of the present utility model.The implementation condition adopted in embodiment can do further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in normal experiment.

See Fig. 1-6, for the structural representation of the utility model embodiment, a kind of short pen is provided to extend the pen cap, it comprises penholder 1, the pen cap 2 and push rod 3, the two ends that penholder 1 is the body of rod and penholder 1 with pen-holding cavity 11 are respectively for clamping the first port 12 of short pen 4 and being provided with the second port one 3 of push rod export mouth, the outer surface of the body of penholder 1 arranges external screw thread 111, and the inner surface of the pen cap 2 is provided with the internal thread 21 mated with the external screw thread 111 of penholder body outer surface, during use, push rod 3 and short pen 4 are successively arranged in the pen-holding cavity 11 of penholder 1, short pen 4 one end be clamped in the first port 12 place simultaneously and stretch out a segment distance relative to the first port 12, then penholder 1 and the pen cap 2 are screwed short pen 4 to be clamped in the short pen prolongation pen cap of the present utility model and conveniently continue to use.

See Fig. 2-3, conveniently short pen 4 is clamped, the outer surface of the first port 12 is set to male cone (strobilus masculinus) 121 and is provided with the groove 123 along the even also genesis analysis of the first port 12 circumference, the number of groove 123 can be set to three, also can be set to other numbers as required; Be provided with the inner conical surface 22 matched with the first port 12 male cone (strobilus masculinus) 121 in the end of the pen cap 2 simultaneously, like this when short pen 4 is clamped in the first port 12 and after penholder 1 and the pen cap 2 being screwed, the male cone (strobilus masculinus) 121 of the first port 12 tightens up under the squeezing action of the pen cap 2 inner conical surface 22, thus is clamped by short pen 4.In order to optimize penholder 1 first port 12 further to the clamping effect of short pen 4, preventing short pen 4 from use sliding, being provided with radial anti-slip veins 122 at the inner surface of the first port 12.

Conveniently penholder 1 and the pen cap 2 are screwed, be provided with axial anti-slip veins 131 at the outer surface of the second port one 3 of penholder 1.

In the utility model, the effect of push rod 3 is conveniently taken out from penholder by short pen 4, when short pen 4 takes out by needs, penholder 1 and the pen cap 2 unscrewed, press the push rod 3 at the second port one 3 export mouth place, short pen 4 can be ejected from penholder 1 first port 12.See Fig. 3-5, push rod 3 one end arranges the anticreep shaft shoulder 31, the step 132 matched with the push rod 3 anticreep shaft shoulder 31 is set simultaneously in the second port one 3 place push rod export mouth of penholder 1, push rod 3 is arranged in the pen-holding cavity 11 of penholder 1, one end that push rod 3 does not arrange the anticreep shaft shoulder can be stretched out from the second port one 3, and the one end arranging the anticreep shaft shoulder 31 then can not depart from penholder 1.The setting of push rod 3 length is as the criterion to facilitate short pen 4 to eject in penholder 1, also the length of push rod 3 can be set to consistent with the length of penholder 1, see Fig. 6, after such installation, the length of the push rod 3 that penholder 1 second port one 3 place stretches out is the length of short pen 4 accommodating in penholder 1, convenient service condition of observing short pen 4.

In sum, the utility model compared with prior art has following beneficial effect: adopt the technical solution of the utility model, push rod and short pen to be successively arranged in penholder and short pen clip is held in the first port of penholder, then penholder and the pen cap being screwed can by tight for short pen clip, like this, the short pen that can not normally use is extended under the cooperation of penholder and the pen cap, normal use can be continued, install very convenient, and when short pen takes off by needs, penholder and the pen cap are unscrewed, with push rod, short pen is ejected, dismantle also very convenient; Adopt the technical solution of the utility model, its structure is simple, and cost is low, is applicable to many people and uses.

Above-mentioned example, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalent transformations of doing according to the utility model Spirit Essence or modification, all should be encompassed within protection domain of the present utility model.

Claims

1. one kind short pen extends the pen cap, it is characterized in that: comprise penholder (1), the pen cap (2) and push rod (3), described penholder (1) is for having the body of rod of pen-holding cavity (11) and having for clamping first port (12) of short pen and being provided with second port (13) of push rod export mouth, the outer surface of the body of described penholder (1) is provided with external screw thread (111), the described pen cap (2) matches with described penholder (1) and is provided with internal thread (21), during use, push rod (3) and short pen (4) to be successively arranged in described penholder (1) and described short pen (4) is clamped in described first port (12) place, then described penholder (1) and the described pen cap (2) are screwed and clamp by described short pen (4).

2. short pen according to claim 1 extends the pen cap, it is characterized in that: the outer surface of described first port (12) is male cone (strobilus masculinus) (121) and is provided with the groove (123) of genesis analysis, the end of the described pen cap (2) is provided with the inner conical surface (22) matched with the male cone (strobilus masculinus) (121) of described first port (12).

3. short pen according to claim 2 extends the pen cap, it is characterized in that: the inner surface of described first port (12) is provided with radial anti-slip veins (122).

4. short pen according to claim 1 extends the pen cap, it is characterized in that: the outer surface of described second port (13) is provided with axial anti-slip veins (131).

5. short pen according to claim 1 extends the pen cap, it is characterized in that: one end of described push rod (3) is provided with the anticreep shaft shoulder (31) and is provided with the step (132) matched with the described anticreep shaft shoulder (31) in described second port (13).

6. short pen according to claim 1 extends the pen cap, it is characterized in that: the length of described push rod (3) is consistent with the length of described penholder (1).