CN209920841U - Telescopic double-ended pen - Google Patents

Abstract

The utility model relates to a telescopic double-end pen, including first nib subassembly, second nib subassembly and drive assembly, first nib subassembly passes through drive assembly with second nib subassembly is connected, first nib subassembly with second nib subassembly has the same structure, first nib subassembly from interior to exterior includes first middleware, first rotation piece and first pen socket in proper order, second nib subassembly from interior to exterior includes second middleware, second rotation piece and second pen socket in proper order, drive assembly can drive simultaneously first middleware with second middleware syntropy slides. The utility model discloses a set up drive assembly can realize the refill syntropy motion at double-end pen both ends to thereby the refill one end that realizes double-end pen both ends stretches out and is used for writing, the other end is located the pen socket, and the user can switch as required and use the arbitrary one end in the double-end pen both ends.

Description

Telescopic double-ended pen

Technical Field

The utility model relates to a stationery field, concretely relates to telescopic double-end pen.

Background

The gel ink pen is a common tool in daily learning and work, the traditional water ink pen is usually designed to be one end for writing and the other end is closed, the color of ink is single, a plurality of people only carry one pen such as a black pen in the learning and work, but the user often has no policy when special conditions such as the pen core of the carried pen is broken or the pen with other colors is needed, and the requirement of people in the learning and work can not be met more and more by one pen.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming prior art's is not enough, provides a telescopic double-end pen, this double-end pen can realize the refill syntropy motion at double-end pen both ends through setting up drive assembly to the refill one end that realizes double-end pen both ends stretches out and is used for writing, the other end is located the pen socket, and the user can switch as required and use arbitrary one end in the double-end pen both ends.

In order to achieve the above object, the present invention provides a retractable double-ended pen, comprising a first pen head assembly, a second pen head assembly and a driving assembly, wherein the first pen head assembly is connected with the second pen head assembly through the driving assembly, the first pen head assembly and the second pen head assembly have the same structure, the first pen head assembly sequentially comprises a first intermediate piece, a first rotating piece and a first pen sleeve from inside to outside, the first rotating piece is rotatably connected with the first pen sleeve and can drive the first intermediate piece to slide back and forth relative to the inner wall of the first rotating piece, a first pen core is inserted in the first intermediate piece, the first pen core can slide back and forth in the first pen sleeve along with the first intermediate piece, the second pen head assembly sequentially comprises a second intermediate piece, a second rotating piece and a second pen sleeve from inside to outside, the driving component can simultaneously drive the first middle piece and the second middle piece to slide in the same direction.

Preferably, the driving assembly comprises an annular rotating body, and a first fixing sleeve and a second fixing sleeve which are arranged at two ends of the rotating body and are connected with the first pen head assembly and the second pen head assembly in a one-to-one correspondence manner, the first fixing sleeve, the second fixing sleeve and the rotor are coaxially arranged and are not contacted with each other, the first fixing sleeve and the second fixing sleeve are fixedly connected through a straight rod penetrating through the rotor, the rotor comprises an inner cylinder and an outer cylinder, the inner cylinder and the outer cylinder are fixedly connected through a rib plate, the first fixing sleeve is sleeved on the outer wall of the first pen sleeve and is fixedly connected with the first pen sleeve, the second fixing sleeve is sleeved on the outer wall of the second pen sleeve and is fixedly connected with the second pen sleeve, the inner cylinder body is fixedly connected with one end of the rotating piece and can drive the rotating piece to rotate.

Preferably, a spiral notch is formed in the inner wall of the first pen cap, a guide groove is axially formed in the first rotating piece, and a protruding foot which penetrates through the guide groove and extends into the guide groove is formed in the first intermediate piece.

Preferably, the number of the guide grooves and the number of the convex feet are both 2, and 2 guide grooves are symmetrically arranged on the first rotating member.

Preferably, both ends of the guide groove are respectively provided with a notch.

Preferably, the two notches are arranged on opposite sides of the guide groove.

Preferably, the top of the first rotating member is provided with a slit extending to the guide groove.

Preferably, the end part of the outer side of the first pen sleeve is provided with an end cover with a through hole at the center, and the pen point of the first pen core can extend out or retract through the through hole.

Preferably, the outer wall of the rotating body is provided with an axially arranged elongated protrusion.

Preferably, the first fixing sleeve, the second fixing sleeve and the rotating body are provided with identification positions.

The utility model provides a telescopic double-end pen, including first nib subassembly, second nib subassembly and drive assembly, the utility model discloses in can pack into first refill and second refill in first nib subassembly and the second nib subassembly, when need not using, first refill and second refill all are located the pen socket, when one of them refill need to use, only need through drive assembly drive first middleware and the equidirectional motion of second middleware, first middleware and second middleware drive respectively first refill and second refill equidirectional motion, make one of them refill stretch out and be used for writing, the refill of the other end is located the pen socket, further, can be through packing into the refill of different colours in first nib subassembly and second nib subassembly, when the refill of one of them colour needs to use, the pen core with the color can be stretched out and used for writing, the process is simple, and switching between the pen cores with different colors on the same pen is realized, so that the requirements of users are met.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the first nib assembly or the second nib assembly;

FIG. 3 is a schematic structural diagram of a driving assembly;

FIG. 4 is a schematic view of a rotor;

FIG. 5 is a schematic view of one of the end portions of FIG. 1;

fig. 6 is a schematic structural diagram of the first pen core.

Wherein: 1. a rotating body; 2. a first rotating member; 3. a first pen cap; 4. a first fixing sleeve; 5. a straight rod; 6. the strip-shaped bulge; 7. a first cartridge; 8. an end cap; 9. a first intermediate member; 11. an outer cylinder; 12. an inner cylinder; 13. a rib plate; 21. a guide groove; 26. a notch; 27. cutting a seam; 31. a pen cap seat; 32. a pen cap head; 33. a notch; 71. the pen core is sleeved with the inner sleeve; 72. a pen point; 73. a first stopper; 74. a second stopper; 75. connecting sleeves; 76. a pen core rod; 91. and (4) convex feet.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1-5, for the utility model provides a telescopic double-ended pen, including first nib subassembly, second nib subassembly and drive assembly, first nib subassembly passes through drive assembly with second nib subassembly is connected, first nib subassembly with second nib subassembly has the same structure, first nib subassembly includes first middleware 9, first rotating member 2 and first pen sleeve 3 from inside to outside in proper order, first rotating member 2 with first pen sleeve 3 rotatable coupling can drive first middleware 9 makes a round trip to slide for the inner wall of first rotating member 2, first refill 7 has been inserted in the first middleware 9, first refill 7 can follow first middleware 9 makes a round trip to slide in first pen sleeve 3, second nib subassembly includes second middleware, second refill from inside to outside in proper order, The driving component can simultaneously drive the first middle part 9 and the second middle part to slide in the same direction. In the utility model, the first pen core 7 and the second pen core can be arranged in the first pen head component and the second pen head component, when the pen is not needed, the first pen core 7 and the second pen core are both positioned in the pen sleeve, when a user needs to use one of the pen cores, the user only needs to drive the first intermediate part 9 and the second intermediate part to move in the same direction, the first intermediate part 9 and the second intermediate part respectively drive the first pen core 7 and the second pen core to move in the same direction, so that one of the pen cores stretches out for writing, the pen core at the other end is positioned in the pen sleeve, furthermore, the pen cores with different colors can be arranged in the first pen head component and the second pen head component, when the pen core with one of the colors needs to be used, the pen cores stretching out and used for writing of the colors can be realized, the process is simple, and the switching between the pen cores with different colors on the same pen is realized, to meet the requirements of users.

In this embodiment, the driving assembly includes an annular rotating body 1, and a first fixing sleeve 4 and a second fixing sleeve which are disposed at two ends of the rotating body 1 and are connected with the first pen head assembly and the second pen head assembly in a one-to-one correspondence manner, the first fixing sleeve 4, the second fixing sleeve and the rotor 1 are coaxially arranged and are not contacted with each other, the first fixing sleeve 4 and the second fixing sleeve are fixedly connected through a straight rod 5 penetrating through the rotor 1, the rotor 1 comprises an inner cylinder 12 and an outer cylinder 11, the inner cylinder 12 and the outer cylinder 11 are fixedly connected through a rib plate 13, the first fixing sleeve 4 is sleeved on the outer wall of the first pen sleeve 3 and is fixedly connected with the first pen sleeve 3, the second fixing sleeve is sleeved on the outer wall of the second pen sleeve and is fixedly connected with the second pen sleeve, the inner cylinder 12 is fixedly connected with one end of the rotating part and can drive the rotating part to rotate. When a user needs to use the pen core at one end, one hand holds the first pen cap 3 or the second pen cap, the other hand rotates the rotor 1, because the pen caps at the two ends are connected into an integrated structure through the first fixing sleeve 4, the second fixing sleeve and the straight rod 5, the rotating body 1 can rotate relative to the first pen cap 3 and the second pen cap simultaneously when rotating, when the rotating body 1 rotates relative to the first pen cap 3, the first rotating body 2 can be driven to rotate relative to the first pen cap 3, the first pen core 7 can slide back and forth in the first pen cap 3 along with the first intermediate piece 9, and similarly, the second pen core can slide back and forth in the second pen cap along with the second intermediate piece, since the first pen point component and the second pen point component have the same structure and are symmetrically arranged relative to the rotating body 1, thus, when the rotating body 1 is rotated, the first intermediate piece 9 and the second intermediate piece can be driven to slide in the same direction.

Specifically, as shown in fig. 2, in the present embodiment, the inner wall of the first pen sleeve 3 is provided with a spiral notch 33, the first rotating member 2 is provided with a guide groove 21 arranged axially, and the first intermediate member 9 is provided with a protruding foot 91 penetrating through the guide groove 21 and extending into the guide groove 21. When the first pen sleeve 3 rotates relative to the first rotating member 2, at this time, the spiral notch 33 on the inner wall of the first pen sleeve 3 will drive the protruding leg 91 to move directionally in the guiding groove 21, and the first pen core 7 is inserted into the first intermediate member 9, so as to realize the extension and retraction of the first pen core 7. The number of the guide grooves 21 and the number of the convex feet 91 are both 2, and 2 guide grooves 21 are symmetrically arranged on the first rotating member 2. The combination of the two guide grooves 21 and the convex feet 91 is arranged, so that the movement process is more stable. The structure is similar to the working principle of cosmetics such as lipstick or lipstick. Further, in the present embodiment, the pen core is switchable, the first pen sleeve 3 is formed by screwing the pen sleeve seat 31 and the pen sleeve head 32, the spiral notch 33 is disposed on the inner wall of the pen sleeve seat 31, and the first pen core 7 can be replaced after the pen sleeve head 32 is unscrewed from the pen sleeve seat 31. Preferably, the spiral notch 33 extends from the outer end of the pen holder 31 to the middle of the pen holder 31, and in this embodiment, the spiral notch 33 is only arranged on the inner wall of one end of the pen holder 31 close to the outer side, so as to limit the distance that the first pen core 7 moves towards the inner side, and since the first pen core 7 can only move towards the inner side by a small distance, the pen core bar 76 can be ensured to be long enough, and further the pen core bar 76 can contain enough ink, so as to improve the service life of the first pen core 7.

As shown in fig. 6, the first pen core 7 includes a pen core inner sleeve 71, a pen tip 72, a first stopper 73, a second stopper 74, a connection sleeve 75 and a pen core rod 76, wherein the pen core inner sleeve 71 is sleeved on one end of the pen core rod 76, the pen tip 72 can extend out or retract in the pen core inner sleeve 71, the connection sleeve 75 is sleeved on the pen core rod 76 and slidably connected with the pen core rod 76, the connection sleeve 75 is screwed with the pen core inner sleeve 71, and the first stopper 73 and the second stopper 74 are fixedly disposed on the pen core rod 76 and located between the pen tip 72 and the connection sleeve 75. As shown in fig. 6, when the pen tip 72 is completely extended relative to the cartridge inner housing 71, the first stopper 73 just abuts against the inner wall of the cartridge inner housing 71, thereby limiting the pen tip 72 from being further extended outward, and when the pen tip 72 is retracted relative to the cartridge inner housing 71 and completely enters the cartridge inner housing 71, the second stopper 74 contacts the connection sleeve 75, thereby limiting the length of the pen tip 72 retracted inward. Further, in this embodiment, the cartridge inner sleeve 71 can extend or retract relative to the cartridge head 32, when the first cartridge 7 extends outward, the cartridge inner sleeve 71 extends relative to the cartridge head 32, the end part of the outer side of the first cartridge 3 is provided with an end cover 8 with a through hole at the center, and when the pen tip 72 extends completely, the cartridge head 32 penetrates through the through hole of the end cover 8 and abuts against the through hole of the end cover 8, so that the extending length of the first cartridge 7 is limited, and the first cartridge 7 or the second cartridge is effectively prevented from swinging left and right during the writing process of a user. Further, when the cartridge inner 71 is retracted relative to the cartridge head 32 to be flush with the cartridge head 32, the cartridge inner 71 is just against the end of the cartridge seat 31, thereby limiting the further inward movement of the cartridge head 32, and at this time, the pen tip 72 can continue to move inward by a certain distance, thereby ensuring that the pen tip 72 can move to the inner side of the cartridge inner 71, and preventing the first pen tip 7 from being broken.

Furthermore, two ends of the guide groove 21 are respectively provided with a notch 26, and the two notches 26 are arranged on different sides of the guide groove 21. When the first pen core 7 or the second pen core extends out, the convex foot 91 is just at the highest position or the lowest position, at this time, the convex foot 91 can be clamped in the notch 26, and the first intermediate part 9 and the second intermediate part are prevented from being displaced under the action of axial acting force.

Further, as shown in fig. 2, in the present embodiment, the top of the first rotating member 2 is provided with a slit 27 extending to the guide groove 21. Through setting up the slitting 27, when needing to assemble first intermediate member 9 in first commentaries on classics piece 2, only need open slitting 27, can be convenient pack first intermediate member 9 into first commentaries on classics piece 2, the convenience is produced.

In this embodiment, the straight rod 5 is inserted between the inner cylinder 12 and the outer cylinder 11.

Further, be equipped with the axial on the outer wall of rotor 1 and arrange rectangular shape arch 6, through setting up rectangular shape arch 6, work as the utility model provides a telescopic double-end pen when placing on the desktop, has effectually prevented that the double-end pen from rolling for the desktop. All be equipped with the sign position on the fixed cover of first fixed cover 4, second and rotor 1, and set up in the width of the sign position on the fixed cover of first fixed cover 4 and second is greater than the width of the sign position that sets up on rotor 1, set up in two tip of the sign position on rotor 1 set up in the sharp horn shape, and the person of facilitating the use aims at the sign position that sets up on the fixed cover of first fixed cover 4, second and rotor 1. Through setting up the sign position, the user only need observe the sign position and can know the position of refill in the pen socket, specifically, in this embodiment, works as when the sign position on first fixed cover 4, the fixed cover of second and rotor 1 aligns, two refills all are located the inside of pen socket, just protruding foot 91 is located the centre of spiral notch 33.

In summary, the appearance of the retractable double-ended pen provided by the embodiment is completely different from the structure of the conventional sign pen or the double-ended pen, the appearance structure form of the conventional pen is broken through, and through the structural design, the double-ended pen provided by the embodiment can ensure that when the pen core at one end extends out for a user to use, the pen core at the other end is located inside the pen cap, so that the user is prevented from being pricked on the face by the other end when using one end of the pen core, and the overall safety of the double-ended pen is further provided.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims (8)

1. A telescopic double-ended pen is characterized by comprising a first pen head component, a second pen head component and a driving component, wherein the first pen head component is connected with the second pen head component through the driving component,

the first pen head component and the second pen head component have the same structure, the first pen head component sequentially comprises a first intermediate piece, a first rotating piece and a first pen sleeve from inside to outside, the first rotating piece is rotatably connected with the first pen sleeve and can drive the first intermediate piece to slide back and forth relative to the inner wall of the first rotating piece, a first pen core is inserted in the first intermediate piece and can slide back and forth in the first pen sleeve along with the first intermediate piece, the second pen head component sequentially comprises a second intermediate piece, a second rotating piece and a second pen sleeve from inside to outside,

the driving assembly can simultaneously drive the first middle piece and the second middle piece to slide in the same direction;

the driving assembly comprises an annular rotating body, and a first fixing sleeve and a second fixing sleeve which are arranged at two ends of the rotating body and are connected with the first pen point assembly and the second pen point assembly in a one-to-one correspondence manner, the first fixing sleeve, the second fixing sleeve and the rotating body are coaxially arranged and are not in contact with each other, the first fixing sleeve and the second fixing sleeve are fixedly connected through a straight rod penetrating through the rotating body, the rotating body comprises an inner barrel body and an outer barrel body, the inner barrel body and the outer barrel body are fixedly connected through a rib plate, the first fixing sleeve is sleeved on the outer wall of the first pen sleeve and is fixedly connected with the first pen sleeve, the second fixing sleeve is sleeved on the outer wall of the second pen sleeve and is fixedly connected with the second pen sleeve, and the inner barrel body is fixedly connected with one end of the rotating body and can drive the rotating body to rotate;

the inner wall of the first pen cap is provided with a spiral notch, the first rotating piece is provided with a guide groove which is axially arranged, and the first intermediate piece is provided with a convex foot which penetrates through the guide groove and extends into the guide groove.

2. The retractable double-ended pen according to claim 1, wherein the number of the guide grooves and the number of the protruding legs are 2, and 2 guide grooves are symmetrically arranged on the first rotating member.

3. The retractable double-ended pen according to claim 1, wherein a notch is provided at each end of said guide groove.

4. The retractable double-ended pen according to claim 3, wherein two of said notches are provided on opposite sides of said guide slot.

5. The retractable double-ended pen according to claim 1, wherein the top of the first rotatable member is provided with a slit extending to the guide groove.

6. The retractable double-ended pen as claimed in claim 1, wherein an end cap having a through hole at the center is provided at an end portion outside said first pen casing, and a pen point of said first pen core is extendable or retractable through said through hole.

7. The retractable double-ended pen as claimed in claim 1, wherein the outer wall of said rotor is provided with axially arranged elongated projections.

8. The retractable double-ended pen as recited in claim 1, wherein said first and second receptacles and said rotor are provided with indicia.

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