CN201211776Y

CN201211776Y - Telescopic pen

Info

Publication number: CN201211776Y
Application number: CNU2008201068800U
Authority: CN
Inventors: 黄明
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-03-20
Filing date: 2008-03-20
Publication date: 2009-03-25
Anticipated expiration: 2018-03-20

Abstract

The utility model relates to a telescopic pen which comprises an inner tube (2), an outer sleeving (5), a pen head (6), an inner sleeving (4), a pen refill (3) and a pilot pin (7), wherein the inner tube (2) is arranged in a pen tube (1), the top end of the inner tube (2) is provided with an elastic friction piece (21) with the outside diameter slightly larger than the inside diameter of the pen tube (1), a strip-shaped guide channel (22) is arranged on the tube wall, and a lower dead point (22a) and an upper dead point (22b) are arranged at two ends of the guide channel; the outer sleeving (5) is fixed in a tube hole at the bottom end of the pen tube (1) and is sleeved at the periphery of the inner tube (2); the pen head (6) is combined with the bottom end of the inner tube (2) and is exposed below the outer sleeving (5); the upper end part of the inner sleeving (4) is reserved on the pen head (6); the top end of the pen refill props against the top surface (23) of the inner tube (2); the pilot pin (7) is radially guided into the strip-shaped guide channel (22) of the inner tube (2), and when moving positively or reversely in the inner tube (2), the pilot pin (7) props against the lower dead point (22a) or the upper dead point (22b) of the guide channel (22) so as to stop the inner tube (2) to move.

Description

Flexible pen

Technical field

The flexible pen that the utility model relates to a kind of collapsing length simultaneously and nib occurred or submerge.

Background technology

Though computer has become the sharp weapon that document is handled at present, but pen is still for being used for signature, account in the general daily life ... wait the writing implement that can not lack, and in order to make it not take up space, be easy to carry, the flexible pen that promptly has penholder length to adjust occurs, for example shown in the novel letters patent of TaiWan, China number M246182 number " a flexible structure-improved ".The pen that should stretch can effectively shorten the length of penholder really, but members such as structure assembling complexity and use spring, when spring produces elastic fatigue, make easily and adjust button disengaging locating slot, and then cause the difficulty of writing, promptly become the improved problem of the utility model desire so how to overcome this problem points.

The utility model content

The purpose of this utility model be by provide a kind of flexible pen make its can be simple in structure, be easy to assembling, reduce fault and safeguard easily,

Technological means of the present utility model is achieved in that

A kind of flexible pen comprises: a shaft of a writing brush (1), be hollow elongated tubular, and an end is the bottom, end is the top in addition; One be arranged in the above-mentioned shaft of a writing brush (1) and can be in the shaft of a writing brush (1) the interior pipe (2) of axial slip, should be provided with the elastic-friction spare (21) that external diameter is slightly larger than the shaft of a writing brush (1) internal diameter in interior top of managing (2), and tube wall is provided with rectangular guide channel (22), this guide channel one end is as lower dead center (22a), and end is as top dead centre (22b) in addition; One is fixed on the outer tube (5) in the pore of the shaft of a writing brush (1) bottom, this outer tube (5) and be set in that interior pipe (2) is peripheral can be for interior pipe (2) axial slip, and can stop the elastic-friction spare (21) of interior pipe (2), prevent interior pipe (2) the disengaging shaft of a writing brush (1);

One combine with interior pipe (2) bottom and the outer sleeve pipe (5) that exposes outside under nib (6), the maximum outside diameter of this nib (6) must be greater than the internal orifice dimension of outer tube (5);

One length is greater than nib (6) and be inserted in the interior inner sleeve (4) of nib (6), and its upper end also is reserved on the nib (6);

One is arranged in the interior pipe (2) and is inserted in pen core (3) in the above-mentioned inner sleeve (4), the end face (23) of pipe (2) in its top contact; And

At least one radially imports the pilot pin (7) in the rectangular guide channel of interior pipe (2) (22), one end of this pilot pin (7) combines with the upper end of above-mentioned inner sleeve (4) and fixes, end then combines fixing with above-mentioned outer tube (5) in addition, aforementioned pilot pin (7) can contact the lower dead center (22a) or the top dead centre (22b) of guide channel (22) when interior pipe (2) is mobile forward or backwards, so that interior pipe (2) stops to move.

Aforesaid elastic-friction spare (21) is made up of at least one rubber grommet (212) that is located at the circular groove (211) on interior pipe (2) top and is set in the circular groove (211).

Aforesaid rectangular guide channel (22) is with two left and right sides that are symmetricly set on interior pipe (2), and relatively, pilot pin (7) also must be with in pipe (2) rectangular guide channel (22) in two importings.

Aforesaid inner sleeve (4) and outer tube (5) respectively have fixing hole (41), (51) import fixing for pilot pin (7) two ends.

According to above-mentioned flexible pen, the tube wall top of described inner sleeve (4), outer tube (5) have can corresponding matching breach (42), (52) so that fixing hole (41), (51) can be easy to align cooperate with the rectangular guide channel (22) of interior pipe (2).

According to above-mentioned flexible pen, the described shaft of a writing brush (1) top is with capping (11) involution, and this capping (11) also is provided with pore (12), and interior pipe (2) end face (23) has guide hole (24), this guide hole (24) and with pen core (3) top corresponding matching.

According to above-mentioned flexible pen, described nib (6) screws togather fixing with the inner bolt hole (25) of external screw teeth (61) and interior pipe (2) bottom.

According to above-mentioned flexible pen, described outer tube (5) sticks together in the pore that is fixed in the shaft of a writing brush (1) bottom, and the inwall of the outer wall of interior pipe (2) and outer tube (5) is the state of closely cooperating.

According to above-mentioned flexible pen, the outer tube of described corresponding matching (5), inner sleeve (4), and in pipe (2) be all plastic material.

A kind of flexible pen of the utility model compared with prior art, has following remarkable advantages and beneficial effect:

Above-mentioned flexible pen, it is simple in structure, be easy to assembling, degree of reliability, safeguard easily, and can meet the cost economic benefit when making; Moreover, interior pipe (2) top has elastic-friction spare (21), can produce good resistance sense with the shaft of a writing brush (1) inwall, it is loosening that this can be avoided interior pipe (2) to produce, and make interior pipe (2) after manual operation, could produce flexible slippage, and slip that can independence, frictional resistance is less than the flexible pen of tradition again, so operation easily, do not need the too big application of force.Moreover, only need move nib (6) during operation, interior pipe (2) and pen core (3) are together moved, it is except the length that can change pen, also can make nib (31) appear again or submerge,, just feel very light so promote nib (6) owing to need not affect or drive other member.

Description of drawings

The three-dimensional exploded view of the flexible pen of Fig. 1 the utility model;

Fig. 2 is the stereogram of contraction state for flexible pen;

Fig. 3 is the stereogram of deployed condition for flexible pen;

Fig. 4 A～4C is the action schematic diagram of flexible pen.

The specific embodiment

Below in conjunction with accompanying drawing specific embodiment of the utility model is illustrated:

Be illustrated in figure 1 as the three-dimensional exploded view of the flexible pen of the utility model; Figure 2 shows that the flexible pen of Fig. 1 is the stereogram of contraction state; Figure 3 shows that the flexible pen of Fig. 1 is the stereogram of deployed condition; Fig. 4 A is depicted as the full sectional view of the flexible pen of Fig. 2.

Learn by above-mentioned accompanying drawing and to comprise forming of flexible pen: the shaft of a writing brush 1, be hollow elongated tubular, hold to be the bottom, end is the top in addition; One be arranged in the above-mentioned shaft of a writing brush 1 and can be in the shaft of a writing brush 1 the interior pipe 2 of axial slip, the top of pipe 2 is provided with the elastic-friction spare 21 that external diameter is slightly larger than the shaft of a writing brush 1 internal diameter in being somebody's turn to do, and tube wall is provided with rectangular guide channel 22, and this guide channel one end is as lower dead center 22a, and end is as top dead centre 22b in addition; One is fixed on the outer tube 5 of the shaft of a writing brush 1 bottom, this outer tube 5 and be set in pipe 2 is peripheral can be for interior pipe 2 axial slips, and the elastic-friction spare 21 of pipe 2 in stopping, the pipe 2 disengaging shafts of a writing brush 1 in preventing; One combine with interior pipe 2 bottoms and the outer sleeve pipe 5 that exposes outside under nib 6, the maximum outside diameter of this nib 6 must be greater than the internal orifice dimension of outer tube 5; One length is greater than nib 6 and be inserted in written 6 interior inner sleeves 4, and its upper end also is reserved on the nib 6; One be arranged in the pipe 2 and be inserted in pen core 3 in the above-mentioned inner sleeve 4, the end face 23 of pipe 2 in its top contact; And at least one radially imports the pilot pin 7 in the interior pipe 2 rectangular guide channels 22, one end of this pilot pin 7 combines with the upper end of above-mentioned inner sleeve 4 and fixes, end then combines fixing with above-mentioned outer tube 5 in addition, aforementioned pilot pin 7 can contact the lower dead center 22a or the top dead centre 22b of guide channel 22 when interior pipe 2 is mobile forward or backwards, so that interior pipe 2 stops to move.

Its assembling process, manage in the 2 rectangular guide channels 22 at first importing by pilot pin 7, and insert the fixing hole 41 of inner sleeve 4 with an end wherein, the other end then inserts the fixing hole 51 of outer tube 5, make in the pipe 2, inner sleeve 4, and outer tube 5 threes be combined as one, and then with in the pen core 3 insertion inner sleeves 4, pipe 2 bottoms in again nib 6 being combined in.At last, again that the outer tube after the aforementioned combination 5 is cemented in the aperture, bottom of the shaft of a writing brush 1, perhaps with the mode secure bond that is spirally connected in the shaft of a writing brush 1 bottom, so just finish the assembling of flexible pen.

Between above-mentioned outer tube 5 and the inner sleeve 4 be combine with pilot pin 7 fixing, so under outer tube 5 and inner sleeve 4 fixed states, have only interior pipe 2, pen core 3 and be combined in interior nib 6 threes ability synchronization action of managing under 2, the principle of its synchronization action, be after manual operation nib 6, just can together move with the nib 6 interior pipes 2 that are connected, pipe 2 is to slide between outer tube 5 and inner sleeve 4 in this, and pen core 3 is to be subjected to interiorly managing 2 promotion and synchronization action.

Its course of action is shown in Fig. 4 A～4C, after nib 23 spurs towards forward (downwards), pipe 2 is by slippage outwardly in the shaft of a writing brush 1 in making, when the top dead centre 22b conflict pilot pin 7 of the guide channel 22 of interior pipe 2, pipe 2 is mobile in just stopping, and at this moment interior pipe 2 can extend for outside the shaft of a writing brush 1, and inner sleeve 4 can submerge in the nib 6, and the nib 31 of pen core is outer to be exposed at nib 6 times to be the state of writing, and has as shown in Figure 3.

Otherwise, shown in Fig. 4 C～4A, after nib 6 spurs towards reverse (making progress), pipe 2 is directed in the shaft of a writing brush 1 in making, when the lower dead center 22a conflict pilot pin 7 of the guide channel 22 of interior pipe 2, the moving of pipe 2 in just stopping, at this moment inner sleeve 4 nib 31 that can will be exposed at outward under the nib 6 covers fully, nib 31 is no longer write, had as shown in Figure 2.

Above-mentioned elastic-friction spare 21 is made up of the circular groove 211 on pipe 2 tops at least one being located at and the elastic band 212 that is set in the circular groove 211, shown in Fig. 4 A, circular groove 211 respectively has three with elastic band 212, wherein, can produce good resistance sense during wall friction in elastic band 212 and the shaft of a writing brush 1, pipe 2 does not have the pretty shape generation of too becoming flexible in making when telescopic moving.

Above-mentioned rectangular guide channel 22 is that the left and right sides of pipe 2 is good in being symmetricly set on two, and relatively, pilot pin 7 also must be with in the pipe 2 rectangular guide channels 22 in two importings.

In Fig. 1, also disclose, the tube wall top of inner sleeve 4, outer tube 5 has

breach

42,52, the operator can be with after aforementioned two pipes of perusal 4,5

breach

42,52 corresponding matching, cooperate and the

fixing hole

41,51 and the rectangular guide channel 22 of interior pipe 2 are aligned, so just pilot pin 7 can be inserted combine in the rectangular guide channel 22 and with two

fixing holes

41,51 and fix.

Moreover, outside the described shaft of a writing brush 1 pen clip 13 can be set, its top can be with capping 11 involutions, this capping 11 also is provided with pore 12, and interior pipe 2 end faces 23 have guide hole 24, this guide hole 24 and with pen core 3 top corresponding matching, owing in the pen good cross-ventilation effect can be arranged, then can avoid pen core 3 to produce vacuum, a liquid can be flowed out smoothly, produce good writing function.

Again, Fig. 1 also discloses nib 6 and screws togather fixingly with the inner bolt holes 25 of external screw teeth 61 and interior pipe 2 bottoms, when therefore needing to change pen core 3, only needs group to unload nib 6 and just can change smoothly.

Above-mentioned outer tube 5, inner sleeve 4, and in pipe 2 if implement with plastic material, the frictional resistance of pipe 2 when telescopic slide produces in more reducing.

It should be noted that at last: above embodiment only in order to the explanation the utility model and and the described technical scheme of unrestricted the utility model; Therefore, although this specification has been described in detail the utility model with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the utility model; And all do not break away from the technical scheme and the improvement thereof of the spirit and scope of utility model, and it all should be encompassed in the middle of the claim scope of the present utility model.

Claims

1. one kind flexible, a shaft of a writing brush (1) is hollow elongated tubular, and an end is the bottom, and end is the top in addition; It is characterized in that:

One be arranged in the above-mentioned shaft of a writing brush (1) and can be in the shaft of a writing brush (1) the interior pipe (2) of axial slip, should be provided with the elastic-friction spare (21) that external diameter is slightly larger than the shaft of a writing brush (1) internal diameter in interior top of managing (2), and tube wall is provided with rectangular guide channel (22), this guide channel one end is as lower dead center (22a), and end is as top dead centre (22b) in addition;

An outer tube (5) that is fixed in the pore of the shaft of a writing brush (1) bottom, this outer tube (5) are set in interior pipe (2) periphery can be for interior pipe (2) axial slip;

Length is greater than nib (6) and be inserted in inner sleeve (4) in the nib (6), and its upper end also is reserved on the nib (6);

At least one radially imports the pilot pin (7) in the rectangular guide channel of interior pipe (2) (22), one end of this pilot pin (7) combines with the upper end of above-mentioned inner sleeve (4) and fixes, end then combines with above-mentioned outer tube (5) and fixes in addition, and aforementioned pilot pin (7) can contact the lower dead center (22a) or the top dead centre (22b) of guide channel (22) when interior pipe (2) is mobile forward or backwards.

2. flexible pen as claimed in claim 1 is characterized in that: described elastic-friction spare (21) is made up of at least one rubber grommet (212) that is located at the circular groove (211) on interior pipe (2) top and is set in the circular groove (211).

3. flexible pen as claimed in claim 1 is characterized in that: described rectangular guide channel (22) is with two left and right sides that are symmetricly set on interior pipe (2), and relatively, pilot pin (7) also must be with in pipe (2) rectangular guide channel (22) in two importings.

4. flexible pen as claimed in claim 3 is characterized in that: described inner sleeve (4) and outer tube (5) respectively have for fixing fixing hole (41), (51) of importing, pilot pin (7) two ends.

5. flexible pen as claimed in claim 4, it is characterized in that: the tube wall top of described inner sleeve (4), outer tube (5) has breach (42), (52).

6. flexible pen as claimed in claim 1, it is characterized in that: the top of the described shaft of a writing brush (1) is with capping (11) involution, this capping (11) also is provided with pore (12), and interior pipe (2) end face (23) has guide hole (24), this guide hole (24) and with pen core (3) top corresponding matching.

7. flexible pen as claimed in claim 1, it is characterized in that: described nib (6) screws togather fixing with the inner bolt hole (25) of external screw teeth (61) and interior pipe (2) bottom.

8. flexible pen as claimed in claim 1 is characterized in that: described outer tube (5), inner sleeve (4), and in pipe (2) for the outer tube of plastic material, inner sleeve, and in manage.