CN2477381Y - Propelling pencil with pencil lead protector - Google Patents

Abstract

The utility model relates to a propelling pencil with pencil lead protector comprises a pencil body protector and a pencil core protector. The pencil body comprises an external pipe, an internal pipe, a spring element and a thumbstall. The pencil core protector comprises a push pole whose bottom is provided with a push handle. The external surface of the internal pipe is provided with a portrait flute, the bottom of the vertical groove is communicated with the bottom of the internal pipe and the first through slot on the bottom of the internal pipe, the push handle in the push pole is arranged in the vertical groove, a limit device is arranged between the push pole and the pencil body, the bottom of the push pole can contact with the thumbstall, and the top of the push pole is provided with a curved shuttle whose one terminal stretchs out of the external pipe.

Description

Propelling pencil with pen core protective device

The utility model relates to a kind of propelling pencil, particularly a kind of propelling pencil with pen core protective device.

In the routine techniques, people utilize the pen cap can be sleeved on the pencil front end when not writing with the protection pen core, but the pen cap is compared handwriting and divided body structure and lose easily.

The purpose of this utility model is to overcome weak point of the prior art, and provides a kind of pen core protective device and handwriting Construction integration and the propelling pencil with pen core protective device that can not lose.

The purpose of this utility model realizes by following approach.

Propelling pencil with pen core protective device; comprise handwriting and pen core protective device; handwriting comprises outer tube; interior pipe; flexible member and thimble; interior pipe box is contained in the outer tube bore and two ends exposes; interior tube core portion has vertical core chamber that can hold pencil-lead; manage on outer tube wall step and the outer tube inner hole wall step in pipe periphery and its two ends were bearing in respectively in flexible member was sleeved on; thimble one end is connected with handwriting; the bottom in the vertical core of pipe chamber in the other end tiltedly stretches into from the interior pipe front end first saturating groove; and can contact with pencil-lead; its structural feature is: the pen core protective device comprises a kind of push rod; the push rod bottom comprises a kind of handle that pushes away; interior pipe outer tube wall has longitudinal fluting one, and the first saturating groove of this longitudinal fluting bottom and interior pipe bottom runs through, and the handle that pushes away in the push rod is embedded in this longitudinal fluting; has stopping means between push rod and the handwriting; the push rod bottom can contact with thimble, and its top has a bending segment, and this bending segment one end exposes outside outward outside the pipe.

When needing, manually press down interior pipe, the thimble that the first saturating trough end wall bears down on one and tiltedly stretches, contract in the thimble bottom and abdicate a duct that can allow pen core automatically fall, when unclamping interior pipe, because of the elastic force effect of flexible member, when interior pipe resilience was risen, thimble also was repositioned to its bottom and tiltedly stretches in the interior tube core chamber until contacting with the pen core outer wall.

When manually pressing down push rod; push away the thimble that the handle leading section will bear down on one and tiltedly stretch, contract in the thimble and abdicate a duct that can allow pen core move, at this moment; pen core synthlipsis outside the pipe bottom in being exposed at outward can be returned in the interior tube core chamber, thereby the protection pen core makes it exempt to contact with extraneous when not writing operation.

The purpose of this utility model can also realize by following approach.

Push rod top bending segment structure can be designed to " " shape and be a kind of pen clip.

Bending segment already exposes, and simply it is designed to a kind of pen clip, both can make things convenient for the push rod that manually bears down on one at any time, also can realize the function of pen clip, thereby need not the otherwise designed pen clip, and obviously this is unexpected effect of the utility model.

Thimble and flexible member are affixed and be integral.

Thimble and flexible member Construction integration, convenient for assembly.At this moment, thimble one end is to realize and being connected of handwriting by flexible member.

Flexible member is a kind of compression spring.

Following two kinds further improvement can be carried out in the push rod bottom:

Push away the handle bottom and have one first groove, thimble can be inlaid in this first groove;

Push away the handle bottom and have an inclined-plane along the push rod longitudinal extension, have one on this inclined-plane and vertically run through first groove on this inclined-plane along push rod, this first groove can be embedded into thimble.

Stopping means comprises a kind of fin and a kind of second groove that is positioned at push rod top that is positioned on the outer wall of inner tube, and fin can be gone in second groove by setting-in, and has one section can adapt to the longitudinal void that push rod vertically moves between the fin and second groove.

Like this, stopping means both can position the mobile and rotation of the left and right direction of push rod, also carried out spacing to the upper and lower mobile amount of push rod simultaneously.

Also comprise an auxiliary tube and an a kind of clasp that relative handwriting is discrete, the clasp outward appearance is a kind of " C " shape and has elasticity, interior pipe top has the second saturating groove clasp that the pipe periphery is extended in one section edge, the clasp clip is in this second saturating groove, and the interior ring cavity inscribed circle diameter of clasp is less than the external diameter of pen core, the auxiliary tube tube chamber can hold pen core, and its front end outer tube wall has the conical section that can overlap ring cavity in the clasp that expands.

The interior ring cavity inscribed circle diameter of clasp is less than the external diameter of pen core, and like this, the pen core in being contained in the tube core chamber can't drop out from interior pipe top; When needing toward interior tube core chamber filling pen core, earlier auxiliary tube awl end sleeve is gone in the interior tube core chamber, and the ring cavity that swells gradually in the clasp goes in the clasp in the ring cavity until the auxiliary tube sleeve, and like this, ring cavity no longer is the obstacle in tube core chamber in the pen core turnover in the clasp reduced size, pen core is poured in the auxiliary tube inner chamber, because this inner chamber also is communicated with the footpath with interior tube core chamber is coaxial, pen core enters in the interior tube core chamber by the auxiliary tube inner chamber, after filling finishes, extract auxiliary tube, the interior ring cavity of clasp recovers it and blocks stifled effect.

Also comprise a kind of second stopping means, second stopping means is installed between handwriting and the pen core protective device.

Second stopping means comprises the small lugs that is positioned at push rod bending segment bottom and encloses the first protruding wall of distribution along the outer tube outer wall ring, the first protruding wall near small lugs and handwriting be positioned on vertically small lugs above.

In sum, the utility model has following advantage compared to existing technology: pen core protective device and handwriting Construction integration, do not have the anxiety of losing; and simple in structure, easy to use, to the good reliability of pen core protection; its exposed parts just can be used as pen clip again, and has unexpected effect.

Accompanying drawing 1 is each parts three-dimensional exploded view with propelling pencil of pen core protective device described in the utility model.

Accompanying drawing 2 is cutaway views of the assembled state of the propelling pencil with pen core protective device described in the utility model.

Accompanying drawing 3 is schematic diagrames with propelling pencil filling pen core state of pen core protective device described in the utility model.

Accompanying drawing 4 is the propelling pencil with pen core protective device described in the utility model schematic diagrames when pressing by interior pipe.

Accompanying drawing 5 is the propelling pencil with protective device described in the utility model schematic diagrames when pressing by push rod.

Below in conjunction with accompanying drawing the utility model is carried out more detailed description.

Most preferred embodiment:

With reference to Fig. 1, have the propelling pencil of pen core protective device, comprise handwriting, pen core protective device and auxiliary tube 6, handwriting comprises outer tube 1, interior pipe 2, flexible member 3, thimble 4, first stopping means and clasp 7.The pen core protective device comprises the push rod 3 and second stopping means.Outer tube 1 is made up of bottom tube 11 and push pipe 12, bottom tube 11 endoporus bottoms have first step face 111, and the grip sleeve 121 of the sheathed a kind of rubber material in push pipe 12 bottoms, push pipe 12 top peripheral rings are with a kind of first protruding wall 122, and bottom tube 11 can link into an integrated entity by spiral with push pipe 12; Interior pipe 2 cores have vertical core chamber 21 that can hold pencil-lead, vertically core chamber 21 is the through holes at pipe 2 two ends in a kind of running through, its top end has a stepped hole 26, interior pipe 2 bottoms are clamping parts 22 that a kind of radial dimension is slightly expanded, and clamping part 22 1 sides have first a saturating groove 29 that is through to core chamber 21 from outer wall, interior pipe 2 middle part peripheries are then encircled and are with the second protruding wall 27, interior pipe 2 outer tube walls have longitudinal fluting 28 one, the first saturating groove 29 is run through in longitudinal fluting 28 bottoms, interior pipe 2 tops convex with several fin 23 along its outer tube wall, fin 23 tops have a kind of semiorbicular second saturating groove 24, this semi-circular second saturating groove 24 encloses distribution along interior pipe 2 outer peripheral face rings, a kind of structure be " C " shape and rubber-like clasp 25 can clip after swelling in this second saturating groove 24, ring cavity has protruded out projection 251 in the clasp 25, and the existence of this projection 251 can make the external diameter of clasp 25 interior ring cavity inscribed circle diameters less than pen core; Push rod comprises and pushes away handle 34, curved arc section 32, the bending segment 31 and first groove 33, pushing away handle 34 is a kind of thin bars, its bar bottom has an inclined-plane along push rod 3 longitudinal extensions, has first groove 33 that vertically runs through this inclined-plane along push rod 3 on this inclined-plane, this first groove 33 can be embedded into thimble 41, curved arc section 32 with push away handle 34 affixed being integral, and make at curved arc section 32 middle parts a kind of second groove 321, this second groove 321 is along curved arc section 32 longitudinal extensions, its longitudinal length is longer than the longitudinal length of fin 23, bending segment 31 profiles are " " shape and are a kind of pen clip, it begins outside bending from curved arc section 32 tops, and the long section of bending segment 31 bottom has protruded out a kind of small lugs 311; Small lugs 311 is positioned at the below of 1 first protruding wall 122, and the small lugs 311 and the first protruding wall 122 are formed second stopping means; Flexible member 4 is a kind of compression springs, and thimble 41 is fixed in flexible member 4 bottoms.

With reference to Fig. 2, the handle 34 that pushes away of push rod 3 is inlaid in interior pipe 2 longitudinal flutings 28, and fin 23 setting-ins of pipe on 2 are gone in second groove 321 on the curved arc section 32 in making, this fin 23 and second groove 321 are formed a kind of first stopping means, and then with flexible member 4 be sleeved in the pipe 2 and push rod 3 outside, at this moment, thimble 41 tops embed and push away in first groove 33 of handle 34 bottoms, manage the 2 core chambeies 21 in then the first saturating groove 29 from interior pipe 2 clamping parts 22 tiltedly stretches into thimble 41 bottoms, then again with interior pipe 2, push rod 3 and flexible member 4 overlap simultaneously and insert in outer tube 1 endoporus, the clamping part 22 that can apply pipe 2 bottoms in the foreign compulsion this moment protrudes out outer tube 1 bottom and forms clip, like this, flexible member 4 two ends are bearing in respectively between the first step face 111 and the interior pipe 2 middle parts second protruding wall 27 of outer tube 1 endoporus tail end, and the first protruding wall 122 on outer tube 1 top and the small lugs 311 mutual jam handwriting is vertical on push rod 3 bending segments 31, not only can make push rod 3 be difficult to upwards pull away handwriting, and the two also help the clamping of pen clip to foreign object.

With reference to Fig. 3, during use, in the pipe 2 core chambeies, at this moment, the conical section of auxiliary tube 6 bottoms is oppressed the projection 251 on the clasp 25 outward in earlier auxiliary tube 6 covers being inserted in, auxiliary tube 6 front ends can be overlapped fully be inserted in the stepped hole 26 at interior pipe 2 tops, like this, manage in promptly pen core 5 can being entered via auxiliary tube 6 inner chambers in the 2 core chambeies 21, after filling finishes, extract auxiliary tube 6, the small lugs 251 on the clasp 25 returns to the blockade effect of in-situ accomplishes to pen core 5.

With reference to Fig. 4, when pipe in lower compression 2 time, because of the groove roof of the first saturating groove 29 on interior pipe 2 clamping parts 22 to lower compression, make thimble 41 bottoms outwards urgent from and abdicate the passage of pen core 5.Pen core 5 falls by external force, pipe 2 in loosening, under the effect of flexible member 4, interior pipe 2 is pop into position upwards, this moment, thimble 41 lost compressing, also inwardly resilience, its bottom can oppress on the periphery wall of pen core 5 (last pen core 5 will be ejected core chamber 21 among the figure, and second from the bottom pen core 5 parts will be exposed at outward in pipe 2 outer and can write).

With reference to Fig. 5, write the back that finishes to lower compression pen clip (being bending segment 31), first groove 33 of the push rod 3 bottoms thimble 41 that bears down on one downwards, thimble 41 outwards compel from, no longer oppress pen core 5, utilize this moment external force pen core 5 synthlipsis can be returned in the interior pipe 2 core chambeies 21, decontrol external force, thimble 41 is return compressing pen core 5 again, and pen core 5 can not dropped out.

It is same as the prior art that present embodiment is not stated part.

Label declaration:

1 outer tube, 11 bottom tubes, 12 push pipes, 111 First terraces, 121 grip sleeve, 122 first protruding wall 2 inner tubes, 21 core chambeies, 22 clamping parts, 23 fins, 24 second saturating groove 25 clasps 251 projections 26 stepped holes 27 second protruding wall 28 longitudinal flutings 29 first saturating groove 3 push rods 31 bending segments 311 small lugs 32 curved arc sections 321 second grooves 33 first grooves 34 push away handle 4 flexible members 41 thimbles 5 pen cores 6 auxiliary tubes

Claims (10)

1; propelling pencil with pen core protective device; comprise handwriting and pen core protective device; handwriting comprises outer tube (1); interior pipe (2); flexible member (4) and thimble (41); interior pipe (2) is sleeved in outer tube (1) inner chamber and two ends exposes; interior pipe (2) core has vertical core chamber (21) that can hold pencil-lead; flexible member (4) is sleeved on interior pipe (2) periphery and its two ends are bearing in respectively on interior pipe (2) outer tube wall step and outer tube (1) the inner hole wall step; thimble (41) one ends are connected with handwriting; the other end tiltedly stretches into the vertically bottom in core chamber (21) of interior pipe (2) from interior pipe (2) the front end first saturating groove (29); and can contact with pencil-lead; it is characterized in that; the pen core protective device comprises a kind of push rod (3); push rod (3) bottom comprises a kind of handle (34) that pushes away; interior pipe (2) outer tube wall has one longitudinal fluting (28); the first saturating groove (29) of this longitudinal fluting (28) bottom and interior pipe (2) bottom runs through; the handle (34) that pushes away in the push rod (3) is embedded in this longitudinal fluting (21); has stopping means between push rod (3) and the handwriting; push rod (3) bottom can contact with thimble (41); its top has a bending segment (31), and these bending segment (31) one ends expose outside outward outside the pipe (1).

2, the propelling pencil with pen core protective device according to claim 1 is characterized in that, push rod (3) top bending section (31) structure becomes " " shape and is a kind of pen clip.

3, the propelling pencil with pen core protective device according to claim 1 is characterized in that, thimble (41) and flexible member (4) are affixed and be integral.

4, the propelling pencil with pen core protective device according to claim 1 is characterized in that, flexible member (4) is a kind of compression spring.

5, the propelling pencil with pen core protective device according to claim 1 is characterized in that, pushes away handle (31) bottom and has one first groove (33), and thimble (4) can be inlaid in this first groove (33).

6, the propelling pencil with pen core protective device according to claim 1; it is characterized in that; push away handle (34) bottom and have a inclined-plane along push rod (3) longitudinal extension; have one on this inclined-plane and vertically run through first groove (33) on this inclined-plane along push rod (3), this first groove (33) can be embedded into thimble (41).

7, the propelling pencil with pen core protective device according to claim 1; it is characterized in that; stopping means comprises a kind of fin (23) and a kind of second groove (321) that is positioned at push rod (3) top that is positioned on pipe (2) outer wall; fin (23) can be gone in second groove (321) by setting-in, and has one section can adapt to the longitudinal void that push rod 3 vertically moves between fin (23) and second groove (321).

8; propelling pencil with pen core protective device according to claim 1; it is characterized in that; also comprise an auxiliary tube (6) and an a kind of clasp (25) that relative handwriting is discrete; clasp (25) outward appearance is a kind of " C " shape and has elasticity; interior pipe (2) top has the second saturating groove (2) that pipe (2) periphery is extended in one section edge; clasp (25) clip is in this second saturating groove (24); and the interior ring cavity inscribed circle diameter of clasp (25) is less than the external diameter of pen core; auxiliary tube (6) tube chamber can hold pen core, and its front end outer tube wall has the conical section that can overlap the interior ring cavity of bloated clasp (25).

9, the propelling pencil with pen core protective device according to claim 1 is characterized in that, also comprises a kind of second stopping means, and second stopping means is installed between handwriting and the pen core protective device.

10, the propelling pencil with pen core protective device according to claim 9; it is characterized in that; second stopping means comprises the small lugs (311) that is positioned at push rod bending segment (31) bottom and encloses the first protruding wall (122) of distribution along outer tube (1) outer wall ring, and the first protruding wall (122) is near small lugs (311) and be positioned at the top of small lugs (311) on vertically in handwriting.

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