JP2016222393A - Tape dispenser - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tape dispenser that enables a tape to be simply pulled out when necessary.SOLUTION: A tape dispenser includes: a first member for supporting a reel around which a tape is wound; a second member capable of rotating relative to the first member and the reel; and a tape guide part which is brought into contact with the tape of an uppermost layer on the reel, and which performs the send-out operation of displacing the tape of the uppermost layer relative to the second member in association with relative rotation of the first and second members.SELECTED DRAWING: Figure 6

Description

  The present invention relates to a tape dispenser capable of pulling out a necessary amount of tape from a reel and cutting it out when necessary.

  A tape dispenser is known that can accommodate and hold a tape, such as an adhesive tape, and that can be pulled out and cut with a cutting blade when necessary (see, for example, the following patent document). This type of tape dispenser has the advantage that it can prevent fouling when not in use by covering the reel around which the tape is wound.

  However, on the other hand, if the leading end of the tape does not sufficiently protrude from the tape dispenser, there is a difficulty in that it is difficult to perform an operation of picking the leading end of the tape and pulling out the tape.

JP-A-10-120282

  An object of the present invention is to provide a tape dispenser capable of easily pulling out a tape when necessary.

  In the present invention, the first member that supports the reel on which the tape is wound, the second member that is rotatable relative to the first member and the reel, and the uppermost tape on the reel are in contact with each other. The tape dispenser includes a tape guiding portion that performs a feeding operation of displacing the uppermost tape layer relative to the second member with relative rotation between the first member and the second member. .

  Furthermore, if it is a tape dispenser provided with the blade for tape cutting provided in the location facing the said tape guide part, operation which cut | disconnects this immediately after drawing | extracting out a tape will be possible, and a user needs A quantity of tape can be cut out quickly.

  If the reel is substantially covered by the first member and the second member, it is possible to effectively prevent the contamination of dust on the side edges of the tape when not in use.

  If the width of the region in contact with the uppermost tape in the tape guiding portion is substantially equal to the width dimension of the tape, the tape feeding operation can be executed more reliably.

  As long as the surface of the tape guide part in contact with the uppermost layer of the tape is uneven, the adhesive tape (or adhesive) is applied to the surface of the tape in contact with the tape guide part. Can be prevented from sticking to the tape guiding portion. In other words, the degree of adhesion between the tape and the tape guiding portion can be controlled to a necessary and sufficient size.

  The tape guiding portion includes a rotating body that is rotatably supported by the second member and that engages with the first member, and the rotating body rotates relative to the first member and the second member. If the feeding operation is caused by rotating along with the rotation, the mechanism for driving the tape guiding portion is simplified.

  In addition, if the first member has a reverse rotation prevention mechanism that allows the first member to rotate in the forward direction relative to the second member and prohibits the first member from rotating in the reverse direction, the tape It is possible to prevent the rotating body that is an element of the guide portion from rotating in the direction opposite to the direction in which the tape is fed out of the tape dispenser, that is, the direction in which the tape is drawn into the tape dispenser. As a result, it is possible to avoid the problem that the tip of the tape gets into the tape dispenser and it is difficult to pick and pull it out.

  ADVANTAGE OF THE INVENTION According to this invention, the tape dispenser which can draw out a tape simply when needed can be provided.

The perspective view which shows the tape dispenser of one Embodiment of this invention. The disassembled perspective view of the tape dispenser of the embodiment. The front view of the tape dispenser of the embodiment. The side view of the tape dispenser of the embodiment. The cross-sectional view of the tape dispenser of the embodiment. The longitudinal cross-sectional view of the tape dispenser of the embodiment.

  An embodiment of the present invention will be described with reference to the drawings. As shown in FIGS. 1 to 6, the tape dispenser of this embodiment includes a first member 1 and a second member 2 that receive and hold a reel 4 around which a tape 41 is wound, and an uppermost tape in the reel 4. The tape guide part 3 which performs the sending-out operation | movement which sends out this tape toward the outside of a tape dispenser in contact with 41, and the cutting blade 20 for cutting the tape 41 sent out by the operation | movement of the tape guide part 3 are provided. 5 and FIG. 6, the tape 41 and the reel 4 are drawn with chain lines.

  As shown in FIGS. 2, 5, and 6, the cover 1 as the first member has a general shape in which the support shaft 12 protrudes inward from the center on the inner side surface of the side plate 11 having a substantially disk shape. For example, it is an integrally molded product made of hard resin. The outer diameter of the side plate 11 is larger than the outer diameter of the reel 4 around which the tape 41 is wound. The cover 1 supports the reel 4 with the support shaft 12 inserted into the shaft hole 42 of the reel 4. On the outer peripheral surface of the support shaft 12 having a substantially cylindrical shape, a plurality of filaments 13 are formed which protrude slightly outwardly along the radial direction and extend along the axial direction. The reel 4 is in close contact with the inner peripheral surface of the shaft hole 42. Further, a rib 14 is formed on the inner peripheral surface of the support shaft 12 so as to protrude inward along the radial direction and to make one round along the circumferential direction.

  On the outer periphery of the side plate 11 of the cover 1, a knurled 15 having a concavo-convex shape is formed so as to prevent slipping when the user grips and rotates the side plate 11. An internal gear 16 is provided on the inner side surface of the side plate 11 immediately inside the knurling 15. Further, a gear 17 constituting a ratchet that is a reverse rotation preventing mechanism is provided at an intermediate portion between the internal gear 16 and the support shaft 12 on the inner surface of the side plate 11. In addition, a plurality of protruding pieces 18 protrude from the region between the gear 17 and the support shaft 12 inward. The projecting piece 18 abuts or approaches one end surface of the reel 4 and / or the tape 41 supported by the support shaft 12.

  In the case 2 as the second member, the peripheral wall 22 rises inward from the outer peripheral edge of the inner surface of the side plate 21 having a substantially disk shape, and the boss 23 protrudes inward from the center. For example, it is an integrally molded product made of hard resin having a general shape. The outer diameter of the side plate 21 and the inner diameter of the peripheral wall 22 are larger than the outer diameter of the reel 4 around which the tape 41 is wound, and the reel 4 fits in the space surrounded by the side plate 21 and the peripheral wall 22. The cover 1 serves as a lid that shields the internal space of the case 2.

  When the cover 1 supporting the reel 4 is assembled to the case 2, the boss 23 on the case 2 side is inserted into the support shaft 12 on the cover 1 side. From the outer peripheral surface of the boss | hub 23, the some engaging body 24 protrudes toward the outward along a radial direction. As shown in FIGS. 4 and 5, the engagement body 24 gets over the rib 14 provided on the inner peripheral surface of the support shaft 12 in the process of inserting the boss 23 into the support shaft 12, and is deeper than the rib 14. Is positioned. Through the engagement between the engagement body 24 and the rib 14, the cover 1 and the reel 4 can be rotated relative to the case 2, and the detachment of the cover 1 from the case 2 is suppressed. The inner peripheral surface of the rib 14 is in contact with or close to the outer peripheral surface of the boss 23, and the outer peripheral surface of the engagement body 24 is in contact with or close to the inner peripheral surface of the support shaft 12. In a state where the cover 1 is assembled to the case 2, the knurl 15 on the outer periphery of the cover 1 protrudes outward from the outer peripheral surface of the peripheral wall 22 of the case 2.

  As shown in FIGS. 2, 3, and 6, a part of the peripheral wall 22 of the case 2 is notched, and the notched part serves as an outlet 221 for pulling out the tape 41. And the pin 27 is made to protrude toward the inner side from the site | part of the inner surface of the side plate 21 of the case 2 and the vicinity of the outlet 221. FIG. The pin 27 serves as a shaft that rotatably supports the rotating body 3 that is an element of the tape guiding portion. In addition, a blade 20 for cutting the tape 41 is formed at the opening edge of the outlet 221 opened in the peripheral wall 22 that is substantially parallel to the pin 27. The cutting edge of the cutting blade 20 faces the pin 27 and the rotating body 3 supported by the pin 27. In other words, the direction in which the blade line of the cutting blade 20 extends and the direction in which the pin 27 and the axis of the rotating body 3 extend are substantially parallel. The tape 41 drawn out from the reel 4 passes between the cutting blade 20 and the rotary body 3 and is guided to the outside of the tape dispenser. A pressing portion 28 that bulges inward in the radial direction is provided on a portion of the inner peripheral surface of the peripheral wall 22 near the cutting blade 20. The pressing portion 28 functions to hold the tape 41 drawn from the reel 4 away from the cutting blade 20 and in a direction approaching the rotating body 3.

  A concave portion 222 that is recessed inward along the radial direction is formed in a portion of the peripheral wall 22 of the case 2 that is substantially symmetrical with the outlet 221 about the boss 23.

  Furthermore, a scaffold 25 projecting inward is provided at a predetermined site on the inner side surface of the side plate 21 of the case 2, and a claw 26 projecting inward along the radial direction is formed at the tip of the scaffold 25. Yes. The claw 26 and the ratchet gear 17 provided on the cover 1 constitute a ratchet that is a reverse rotation prevention mechanism. In addition, from the area between the scaffold 25 and the boss 23, a ridge 29 protrudes inward. The ridge 29 is in contact with or close to the other side end surface of the reel 4 and / or the tape 41 supported by the support shaft 12 on the cover 1 side.

  The rotating body 3 is a member having a spur gear shape that extends along the axial direction of the cover 1 and the case 2, in other words, the width direction of the tape 41 wound around the reel 4. The width of the rotating body 3 is larger than the width of the tape 41. A hollow shaft hole 32 extending in the axial direction is formed inside the rotating body 3. The case 2 supports the rotating body 3 by inserting the pins 27 into the shaft holes 32 of the rotating body 3. On the inner peripheral surface of the shaft hole 32 of the rotator 3, a retaining piece 33 that protrudes inward and continues one round is formed. On the other hand, a protrusion 271 for preventing the rotating body 3 from coming off is formed on the outer peripheral surface of the pin 27 provided on the side plate 21 of the case 2. As shown in FIG. 5, the protrusion 271 gets over the retaining piece 33 in the process of inserting the pin 27 into the shaft hole 32 of the rotating body 3, and is positioned behind the retaining piece 33. Through the engagement between the protrusion 271 and the retaining piece 33, the rotator 3 can be rotated around the pin 27, and the detachment of the rotator 3 from the case 2 is suppressed.

  When the cover 1 is assembled to the case 2, the external gear at the side end of the rotating body 3 supported by the pin 27 of the case 2 meshes with the internal gear 16 provided at the outer peripheral portion of the side plate 11 of the cover 1. At the same time, the claw 26 protruding from the scaffold 25 of the case 2 engages with the teeth of the ratchet gear 17 provided at the intermediate portion of the side plate 11 of the cover 1.

  In the present embodiment, the tape 41 is assumed to be a single-sided pressure-sensitive adhesive tape coated with a pressure-sensitive adhesive (or adhesive) on one side, or a double-sided pressure-sensitive adhesive tape coated with a pressure-sensitive adhesive on both sides. In either case of a single-sided tape or a double-sided tape, an adhesive is applied to the surface facing inward along the radial direction of the tape 41 wound around the reel 4. Then, this surface of the uppermost tape 41 pulled out from the reel 4 comes into contact with and adheres to the outer periphery of the region other than the side end portion of the rotating body 3, more specifically, the tooth tip surface of the gear 31. A tooth gap formed on the outer periphery of the rotating body 3, that is, a portion between the teeth does not contact the tape 41. The width of the region in contact with the uppermost tape 41 in the rotating body 3 is substantially equal to the width dimension of the tape 41.

  Incidentally, when the tape 41 is a double-sided tape, the adhesive is also applied to the surface facing outward along the radial direction of the tape 41 wound around the reel 4. In many cases, a release paper is affixed in advance, and the adhesive is not exposed unless the release paper is peeled off from the tape 41.

  When the cover 1 supporting the reel 4 is assembled to the case 2, the reel 4 is almost entirely covered with the cover 1 and the case 2. As a result, contamination such as dust adhering to the side end surface of the tape 41 wound around the reel 4 is prevented.

  The uppermost tape 41 fed out from the reel 4 is peeled off from the lower tape 41 still wound around the reel 4, and then passes through the vicinity of the pressing portion 28 in the case 2 and is on the surface of the rotating body 3. It passes between the rotary body 3 and the cutting blade 20 while contacting the front surface, and advances from the outlet 221 to the outside of the tape dispenser.

  A user who desires to cut and use the necessary amount of tape 41 grips the cover 1 and the case 2 of the tape dispenser, and holds the cover 1 in the positive direction relative to the case 2, that is, clockwise in FIG. Rotate in the direction. Then, the reel 4 supported on the support shaft 12 of the cover 1 rotates in the clockwise direction in FIG. 6 with respect to the case 2, and the rotating body 3 meshing with the internal gear 16 is the uppermost tape. 6 is rotated in the clockwise direction in FIG. 6 in a state in which the tape 41 is in contact with the case 41, and a feeding operation is performed to relatively displace the uppermost tape 41 in the direction away from the reel 4 with respect to the case 2. Jumps out from the outlet 221. Thereafter, the user can grasp the tip of the tape 41 to draw out a desired amount of the tape 41 and cut it with the cutting blade 20.

  As long as the relative rotational speed of the cover 1 with respect to the case 2 is constant, the rotational speed of the rotating body 3 that rotates about the pin 27 is also constant. On the other hand, even if the relative rotational speed of the reel 4 with respect to the case 2 is constant, the amount of the tape 41 fed out from the reel 4 per certain time is the outer diameter of the uppermost tape 41 wound around the reel 4. It changes according to. That is, as the tape 41 is consumed and the outer diameter is reduced, the amount of the tape 41 fed out per rotation of the reel 4 is reduced. Therefore, the rotational speed of the cover 1 with respect to the case 2 and the rotational speed of the reel 4 with respect to the case 2 do not always coincide with each other, and the reel 4 is supported by the support shaft of the cover 1 during the feeding operation of the tape 41 by the tape guiding portion 3. Rotate relative to 12. Specifically, as the tape 41 is consumed, the rotation speed of the reel 4 is gradually increased as compared with the rotation speed of the cover 1.

  If the user rotates the cover 1 in the opposite direction relative to the case 2, that is, the counterclockwise direction in FIG. 6, the reel 4 rotates counterclockwise in FIG. 6 with respect to the case 2. , And the rotating body 3 in contact with the uppermost tape 41 rotates counterclockwise in FIG. 6 so that the uppermost tape 41 is wound around the reel 4. . Then, the tip end portion of the tape 41 is drawn into the case 2 from the outlet 221, and it becomes difficult for the user to grip the tape 41 and pull it out.

  In the tape dispenser of the present embodiment, an anti-reverse mechanism is interposed between the cover 1 and the case 2, and the cover 1 is prohibited from rotating counterclockwise in FIG. doing. As already described, in the present embodiment, the ratchet mechanism is configured by the gear 17 provided on the cover 1 and the claw 26 provided on the case 2, and this ratchet mechanism moves the cover 1 in the forward direction with respect to the case 2. It works to deter rotation in the opposite direction while allowing rotation. Moreover, in this embodiment, the arrow 111 is provided in the side plate 11 of the cover 1 as a display for making a user recognize the correct rotation direction of the cover 1. This arrow 111 is a hole penetrating the side plate 11 of the cover 1. Of course, a display for allowing the user to recognize the correct rotation directions of the cover 1 and the case 2 may be attached to the case 2 side.

  In the present embodiment, the first member 1 that supports the reel 4 around which the tape 41 is wound, the second member 2 that is rotatable relative to the first member 1 and the reel 4, and the reel 4. Between the uppermost layer tape 41 and the lowermost layer tape 41, and comes into contact with the uppermost layer tape 41, and the uppermost layer tape 41 is associated with the relative rotation of the first member 1 and the second member 2. The tape dispenser comprising the tape guiding portion 3 that performs the feeding operation of displacing the second member 2 relative to the second member 2 is configured. According to this embodiment, the tape 41 can be easily pulled out when necessary.

  The tape dispenser of the present embodiment includes a cutting blade 20 for cutting the tape 41 provided at a location facing the tape guiding portion 3, and the cutting blade 20 uses the tape 41 guided by the feeding operation by the tape 41 derivative. Can be cut quickly and is highly convenient.

  Since the first member 1 and the second member 2 substantially cover the reel 4, it is difficult for dirt to adhere to the tape 41 when not in use or during storage, and the quality and performance of the tape 41 are maintained over a long period of time. It is possible.

  Since the width of the region in contact with the uppermost tape 41 in the tape guiding portion 3 is substantially equal to the width dimension of the tape 41, the feeding operation of the tape 41 by the tape guiding portion 3 can be ensured.

  In addition, since unevenness (tooth tips and tooth gaps of the gear 31) is formed on the surface of the tape guide portion 3 in contact with the uppermost tape 41, friction or adhesion between the tape 41 and the tape guide portion 3 occurs. The strength of the tape 41 can be adjusted to an appropriate size, and the tape 41 can be prevented from being unduly stuck to the tape guiding portion 3.

  The tape guiding portion 3 includes a rotating body that is rotatably supported by the second member 2 and that engages (engages) with the first member 1, and the rotating body 3 includes the first member 1 and the first member 1. Since the feeding operation is caused by rotating with the relative rotation with the second member 2, the mechanism for driving the tape guiding portion 3, and the structure of the entire tape dispenser, is simplified.

  The tape dispenser of the present embodiment allows the first member 1 to rotate relative to the second member 2 in the forward direction and prohibits the reverse rotation. 17 and the ratchet 26), the tip portion of the tape 41 is pulled into the tape dispenser and it is difficult to pull out the tape.

  The present invention is not limited to the embodiment described in detail above. For example, in the above embodiment, the teeth of the spur gear 31 are formed as irregularities on the surface of the region in contact with the uppermost tape 41 in the tape guiding portion (rotary body) 3. However, the region other than the side end portion that engages with the internal gear 16 on the first member (cover) 1 side in the tape guide portion 3 does not have to be the external gear 31, and the unevenness different from that of the gear 31 is not included in the region. Naturally, forming the shape is also conceivable. In addition, it is not essential to provide irregularities on the surface of the region in contact with the tape 41 in the tape guiding portion 3, and the region may be a cylindrical surface, for example.

  In the above embodiment, the rotating body 3 that is rotatably supported by the second member (case) 2 and engages with the first member 1 itself is in direct contact with the uppermost tape 41. An endless track is formed by winding a belt (track) on the tape, and a tape guiding portion 3 for bringing the belt into contact with the tape 41 can be provided. In this case, the belt with an endless track becomes a direct main body of the feeding operation for displacing the uppermost tape 41 relative to the second member 2.

  The tape guiding portion 3 that performs the feeding operation in contact with the uppermost tape 41 fed from the reel 4 is driven to rotate in conjunction with the relative rotation between the first member 1 and the second member 2. Is not limited. For example, if the internal gear 16 that meshes with the rotating body 3 is not provided in the first member 1, the rotating body 3 simply holds the pin 27 regardless of the relative rotation between the first member 1 and the second member 2. It becomes a roller (or roller) that freely rotates as a center. However, even in such a case, the feeding operation of displacing the uppermost tape 41 relative to the second member 2 can be suitably performed. In particular, when the tape 41 is strong, that is, the tape 41 has a relatively high shape retaining property (the tape 41 is not easily loosened), the tape 41 is peeled off from the lower layer tape 41 wound around the reel 4. The uppermost tape 41 advances straight in the tangential direction with respect to the outer periphery of the reel 4 and hits the rotating body 3. And the rotary body 3 which contacts this tape 41 rotates, and it will perform the delivery operation | movement which guides the said tape 41 out of a tape dispenser.

  The tape 41 is not limited to an adhesive tape to which an adhesive is applied. When the tape 41 is a metal tape, the tape guiding unit 3 or the rotating body serving as an element thereof may include a magnet.

  Other specific configurations of each part can be variously modified without departing from the spirit of the present invention.

  The present invention can be applied to a tape dispenser that delivers a necessary amount of tape from a reel when necessary.

1 ... First member (cover)
17 ... Ratchet gear 2 ... Second member (case)
20 ... Cutting blade 26 ... Ratchet claw 3 ... Tape guiding part (rotating body)
31 ... Gear (uneven shape)
4 ... reel 41 ... tape

Claims (7)

A first member for supporting a reel wound with a tape;
A second member rotatable relative to the first member and the reel;
A tape guide that performs a feeding operation that contacts the uppermost layer tape in the reel and displaces the uppermost layer tape relative to the second member as the first member and the second member rotate relative to each other. A tape dispenser. The tape dispenser of Claim 1 which comprises the blade for tape cutting provided in the location facing the said tape guide part. The tape dispenser according to claim 1 or 2, wherein the reel is substantially covered by the first member and the second member. The tape dispenser according to claim 1, 2, or 3, wherein a width of a region of the tape guide portion that contacts the uppermost tape is substantially equal to a width dimension of the tape. The tape dispenser according to claim 1, 2, 3, or 4, wherein irregularities are formed on a surface of a region of the tape guide portion that contacts the uppermost tape. The tape guiding portion includes a rotating body that is rotatably supported by the second member and that engages with the first member;
The tape dispenser according to claim 1, 2, 3, 4, or 5, wherein the rotating body causes the feeding operation by rotating with relative rotation between the first member and the second member. The tape dispenser according to claim 6, further comprising a reverse rotation prevention mechanism that allows the first member to rotate in the forward direction relative to the second member and prohibits the first member from rotating in the reverse direction.

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