JP2011011511A - Sliding type multi-refill writing utensil - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sliding type multi-refill writing utensil enabled in the simple replacement of a writing element and smooth retractable action.SOLUTION: The sliding type multi-refill writing utensil is characterized in that: a plurality of writing elements are arranged in a barrel body to which a forward barrel and a rear barrel are detachably fitted; a slider is detachably connected with the rear part of each writing element and arranged in such a way that it can be urged toward the rear end of the barrel by a resilient member; one of the sliders is made to slide in the direction of an opening at the apex of the barrel so that the writing apex of the writing element connected with one of the sliders is kept projected from the opening at the apex of the barrel while the other slider is made to slide toward the apex of the barrel; consequently, the writing apex of one of the writing elements can be retracted through the opening at the apex of the barrel, and thus, the writing apex can be selected in a retractable fashion; and the additional characteristic of the slide multi-refill writing utensil exhibits an effect that a compartmental member defined correspondingly to each writing element is arranged slidably inside the rear barrel in such a way that the compartmental member can be urged by an elastic body toward the apex side of the barrel, and also can be pressed toward the rear end side of the rear barrel by the forward barrel.

Description

  The present invention relates to a slide-type multi-core writing instrument in which a plurality of writing bodies are arranged in a shaft cylinder.

  Conventionally, as a slide type multi-core writing instrument, for example, as shown in FIGS. 1 to 2, a sliding body is formed by sliding a raised portion 6a of one sliding body 6 in the direction of the front end opening 2a of the front shaft 2. The locking portion 6b formed on the rear end portion of the 6 is locked to the locking portion 3a formed on the shaft cylinder, and the state where the writing tip portion 12 of the writing body 11 protrudes from the tip opening portion 2a is maintained. By sliding the raised portion 7a of the sliding body 7 in the direction of the front end opening 2a of the front shaft 2, the release protrusion 7c of the other sliding body 7 comes into contact with one sliding body 6 and is locked to the stopper 3a. The engaging part 6b of the one sliding body 6 is engaged and disengaged, the one writing tip part 12 is sunk from the tip opening part 2a, and the other sliding part 7 is moved forward so that the other engaging part 7b is moved forward. The protruding state of the writing tip 14 of the writing body 13 by being locked to the stopper 3a Maintaining, with a selected and retractable retractable mechanism a writing tip, ballpoint refill or the like, multi-core writing instrument sliding housing structure into the barrel in a plurality of writing bodies are well known.

  In such a slide-type multi-core writing instrument, each writing body can be interlocked with the sliding body, and the sliding body and the writing body are detachably connected in order to smoothly slide the writing body. Therefore, in order to replace the writing body, it is necessary to remove the front shaft, remove the writing body from the sliding body, and engage the sliding body with a new writing body. Therefore, it was very difficult to connect the cursive body together with the corresponding sliding body.

  In view of these problems, in Japanese Patent Application Laid-Open No. 2008-36919 “Multi-core writing instrument”, a partition member (stuffing plug) partitioned by a plurality of holes corresponding to each writing body is fixed in the rear shaft, and this partition Although it is disclosed that the writing body is arranged by communicating with the guide hole of the member, it is easy to engage the writing body and the sliding body. It was disposed at a position away from the tip surface of the shaft, and the exchangeability of the cursive was not satisfactory.

  By the way, the slide-type multi-core writing instrument can project the writing body from the tip opening of the shaft cylinder by advancing the sliding body, but each writing body is from the axis of the shaft cylinder as described above. Since it is arranged in an eccentric position, as disclosed in Japanese Patent No. 3429717 “Multi-core writing instrument including a ballpoint pen”, the writing tip of the writing abuts against the inner wall of the tip of the shaft tube. Then, it moves in the direction of the tip opening of the shaft tube.

"Japanese Patent Laid-Open No. 2008-36919" “Patent No. 3429717”

  For this reason, considering the exchangeability of the cursive body, simply moving the partition part to the tip end side of the shaft cylinder shortens the axial length of the cursive body protruding from the partition part, so that it touches the inner wall of the shaft tube tip part. In contact therewith, the distance to move the writing tip of the writing body in the direction of the tip opening of the shaft tube is also shortened, and it is rapidly corrected in the direction of the tip opening of the shaft tube.

  An object of the present invention is to provide a slide-type multi-core writing instrument in which the cursive body can be easily exchanged and the intrusion operation is smooth in view of the above-described conventional problems.

  According to the present invention, a plurality of writing bodies are disposed in a barrel body in which a front shaft and a rear shaft are detachably mounted, and a sliding body is detachably connected to a rear portion of each writing body, and the sliding body is elastically formed. The member is urged and arranged in the direction of the rear end of the shaft cylinder, and by sliding one sliding body in the direction of the opening of the shaft cylinder, the writing tip of the writing body connected to the one sliding body is moved to the shaft cylinder. Select the writing tip that allows the writing tip of one writing body to be immersed from the opening of the shaft tube tip by maintaining the state protruding from the tip opening and sliding the other sliding body in the direction of the shaft tube tip. A slide-type multi-core writing instrument that can be projected and retracted, wherein the partition member partitioned in correspondence with each writing body in the rear shaft is urged toward the front end side of the barrel by an elastic body, and the front shaft And is slidably disposed by being pressed toward the rear end side of the rear shaft.

  Further, the front end surface of the partition member is positioned flush with the front end surface of the rear shaft or in front of the front end surface of the rear shaft in a state where the front shaft is removed.

  Further, the partition member is characterized in that movement of the rear shaft toward the front end side is restricted by a contact portion provided in the partition member and a contacted portion provided in the rear shaft.

  According to the configuration of the present invention, the partition member partitioned corresponding to each writing body is slidably arranged by the elastic body toward the distal end side of the shaft cylinder, so that the front shaft is removed. When replacing the writing body, the partition member moves to the front end side of the rear shaft by the elastic body. Therefore, it is easy to insert the writing body into the partition member, and even if the front end surface of the rear shaft faces upward, Since it is biased toward the front end surface side, it does not move toward the rear end side of the rear shaft, and the replacement work can be facilitated. Further, when the front shaft and the rear shaft are mounted, the front shaft presses the partition member, and the partition member is pressed into the rear shaft to be submerged, so that the length of the writing body protruding from the partition member in the axial direction (FIG. 2). Since the cursive body can be arranged without shortening L), a smooth intrusion operation can be obtained.

  Further, when the front shaft is removed, the front end surface of the partition member is flush with the front end surface of the rear shaft, more preferably, more forward than the front end surface of the rear shaft. Can be easy.

  Further, the partition member regulates the movement of the rear shaft toward the front end side by the contact portion provided in the partition member and the contacted portion provided in the rear shaft. This is preferable because it does not fall from the rear shaft.

  The present invention can provide a slide-type multi-core writing instrument in which the cursive body can be easily replaced and the intrusion operation is smooth.

1 is a longitudinal sectional view showing a slide-type multi-core writing instrument in Example 1. FIG. It is a figure which shows the state which the writing front-end | tip part of one writing body in FIG. 1 protruded. It is a figure which shows the state which removed the front axis | shaft in FIG. It is an expanded sectional view of a division member.

  Embodiments of the present invention will be described below with reference to the drawings. In addition, the same number is attached | subjected about the same member and the same component in drawing.

  As shown in FIGS. 1 to 4, the slide-type multi-core writing instrument 1 according to the first embodiment is configured such that a rear shaft 3 is screwed to a rear end of a front shaft 2 to constitute a shaft tube main body, Curtains 11 and 13 which are ball-point refills in which inks (not shown) of different colors are accommodated in ink storage tubes are accommodated.

  The rear shaft 3 is formed with sliding grooves 4 and 5 that extend in the axial direction and open outward, and the sliding grooves 4 and 5 have sliding bodies 6 of the same color as the ink color. 7 is slidably arranged. The sliding bodies 6, 7 are provided with raised portions 6 a, 7 a, and these raised portions 6 a, 7 a are projected from the sliding grooves 4, 5 from the outer peripheral surface of the rear shaft 3, and are formed at the rear part of the partition member 8. It is arranged to be biased rearward by the arranged elastic members 9 and 10.

  In order to use one of the writing bodies 11, the raised portion 6 a of one selected sliding body 6 is advanced in the direction of the front end opening 2 a of the front shaft 2, so that the locking portion 6 b formed on the sliding body 6 is rearward. The cylindrical body is advanced by engaging with a stopper 3a formed inside the shaft 3, and the writing tip 12 of the writing body 11 can be selected and protruded from the tip opening 2a of the front shaft 2. . At this time, the writing tip 12 contacts the inner wall of the front shaft 2, moves in the direction of the tip opening 2a of the front shaft 2, and protrudes.

  In addition, while the writing tip portion 12 of the writing body 11 is maintained in a protruding state, the other protruding portion 7a of the other sliding body 7 is advanced in the direction of the tip opening portion 2a of the front shaft 2 to release the other. With the projection 7 c, one locking portion 6 b locked to the locking portion 3 a can be released, and the writing tip portion 12 of the writing body 11 connected to the sliding body 6 can be immersed in the front shaft 2.

  In the rear shaft 3, a partition member 8 having through holes 8a and 8b partitioned corresponding to the writing bodies 11 and 13 is urged toward the front shaft 2 with the elastic members 9 and 10 as elastic bodies. It is slidably arranged. When the front shaft 2 and the rear shaft 3 are screwed together, the partition member 8 is pressed to the rear end side of the rear shaft 3 by the rear end surface 2b of the front shaft 2, and the rear shaft is resisted against the urging force of the elastic bodies 9, 10. 3 is placed in a state where it is pushed in. Further, when the front shaft 2 is removed from the rear shaft 3, the partition member 8 is moved to the front shaft 2 side by the elastic bodies 9 and 10 (in the direction of arrow F in FIG. 3), and the contact protrusion 8 c provided on the partition member 8. Further, the contact protrusion 3b provided in the rear shaft 3 prevents the rear shaft 3 from falling off from the front end side.

  In order to replace the writing body, first, the front shaft 2 is removed from the rear shaft 3, and a desired writing body, for example, the writing body 11 is removed from the sliding body 6. Then, a new writing body (not shown) is attached to the sliding body 6 and exchanged. At this time, as described above, the partition member 8 is contacted by the elastic bodies 9, 10 until the contact convex portion 8c provided in the partition member 8 and the contact convex portion 3b provided in the rear shaft 3 contact each other. Since the rear shaft 3 moves to the front end side and the front end surface 8a of the partition member 8 is located in front of the front end surface 3c of the rear shaft 3, the writing body can be easily aligned with the partition member 8. Thereafter, by pushing the writing body in the direction of the rear end of the rear shaft 3, the rear end portion of the writing body and the sliding body 6 can be fitted and exchanged.

  In addition, the structure which connects a writing body to a sliding body can use the connection structure conventionally known, such as press-fit fitting and riding-over fitting. Also, the arrangement method of the partition member is not particularly limited as long as the partition member is urged toward the distal end side of the shaft cylinder by the resilient member and is slidably disposed in the rear shaft.

  Further, in the present embodiment, for the sake of convenience, the partition member is partitioned corresponding to the cursive body by the through hole, but although not illustrated, it may be partitioned corresponding to the cursive body by the groove. . Further, it is preferable that the elastic member for urging the sliding body in the rear end direction of the shaft cylinder is common with the elastic body for urging the partition member toward the tip end of the shaft cylinder, so that the number of parts can be reduced. An elastic member and an elastic body may be disposed on the surface.

  The slide-type multi-core writing instrument of the present invention is not limited to the number of cursive letters, the ink color accommodated in the cursive body, the type of ink, etc., but as a slide-type multi-core writing instrument such as three or four ballpoint pens Widely available.

DESCRIPTION OF SYMBOLS 1 Sliding multi-core writing instrument 2 Front shaft 2a Front opening 2b Rear end surface 3 Rear shaft 3a Stopping portion 3b Abutting convex portion 3c Front end surface 4, 5 Sliding groove 6, 7 Sliding body 6a, 7a Raised portion 7b, 7b Locking part 7c, 7c Release protrusion 8 Partition member 8a, 8b Through-hole 8c Abutting convex part 8d Tip surface 9, 10 Elastic member (elastic body)
11, 13 Cursive body 12, 14 Writing tip

Claims (3)

A plurality of writing bodies are arranged in a shaft cylinder body in which a front shaft and a rear shaft are detachably mounted, and a sliding body is detachably connected to a rear portion of each writing body. While being urged and arranged in the rear end direction, by sliding one sliding body in the direction of the shaft tube tip opening portion, the writing tip portion of the writing body connected to the one sliding body is removed from the shaft tube tip opening portion. By maintaining the protruding state and sliding the other sliding body in the direction of the tip of the shaft cylinder, the writing tip of one writing body can be inserted through the opening of the tip of the shaft cylinder. A slide-type multi-core writing instrument, wherein a partition member partitioned in correspondence with each writing body is urged toward the front end side of the barrel by an elastic body in the rear shaft, and the rear shaft is driven by a front shaft. Sliding multi-core writing characterized by being slidably arranged by pressing to the rear end side . The front end surface of the partition member is located flush with the front end surface of the rear shaft or in front of the front end surface of the rear shaft in a state where the front shaft is removed. Sliding multi-core writing instrument. The partition member regulates movement of the rear shaft toward the tip end side by a contact portion provided in the partition member and a contacted portion provided in the rear shaft. 2. A slide-type multi-core writing instrument according to 2.

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