JP2014149253A - Timer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To grasp a correct remaining time by a colored transparent display sheet which is different in color from a scale part.SOLUTION: An annular scale part 32 is cut off from a center direction to a radial direction approximately at a place of a scale 0, and the cut off place is defined as a gap part 33 having a step. An operation part 40 disposed and rotated inside the annular scale part 32 is composed of a rotating board 41 and a colored transparent display sheet 42 attached to the rear side of the rotating board 41. The rotating board 41 is attached to a time counting part inside an exterior case 10 via a timer shaft. The rotating board 41 rotates the timer shaft when setting the time, and follows the rotation of the timer shaft when counting the time. The rotating board 41 is provided with a step, and the display sheet 42 has a cut part 49 at a location of the step part. An end part of the cut part 49 is pulled out from the gap part 33 onto the annular scale part 32 and rotated in a counter-clock direction together with the rotating board 41 during time measurement, and a remaining time is indicated by the end part of the cut part 49.

Description

  The present invention relates to a timer that is used in a kitchen or the like and measures the remaining time.

  Patent Document 1 discloses a spring timer in which a rectangular scale case 2 and a setting portion 3 are provided in a rectangular exterior case 1 as shown in FIG. 10, and a spring mechanism and a bell portion are provided in the exterior case 1. ing.

  The setting unit 3 is provided with a central setting knob 3a, and the setting knob 3a is provided with an instruction unit 3b. Setting the timer setting time to a desired value by winding up the mainspring mechanism in the clockwise direction of the setting knob 3a to store the accumulated force, and then setting the indicator 3b to a predetermined numerical scale on the scale 2 Can do. The setting unit 3 rotates counterclockwise by the return force of the mainspring mechanism, and when the set time elapses, the instruction unit 3b coincides with the scale 0 and emits a bell sound to warn of the elapse of time.

Japanese Utility Model Publication No. 58-76187

  In the timer of Patent Document 1, when the entire timer is white, for example, if the distance is increased to some extent, it is impossible to know where the scale unit or the setting knob 3a is pointing. From a remote location, it is difficult to discern which direction the setting knob 3a is pointing to, which direction is different by 180 degrees.

  Furthermore, in the timer of Patent Document 1, the location indicated by the indication unit 3b is ambiguous, and even if a scale line is provided around the setting unit 3, the coincidence between the scale and the indication unit 3b is confirmed even from a close distance. Otherwise, the exact remaining time cannot be grasped. Similarly, there is a problem that an accurate remaining time cannot be grasped when a certain distance is left.

  An object of the present invention is to solve the above-described problems and to provide a timer that can reliably grasp the remaining time even from a remote location.

  In order to achieve the above object, a timer according to the present invention has a disc-shaped rotating board connected to a mainspring mechanism in an outer case via a timer shaft, and is integrated with the outer case around the rotating board. A timer in which a fixed annular scale is arranged and the rotating substrate is rotated with respect to the annular scale, and the outer shape of the rotating substrate is colored and transparent and covers the annular scale. A circular display sheet is attached, and when the time is set, the rotating substrate is rotated clockwise to give an accumulation force to the mainspring mechanism, and an end of the cut portion provided on the display sheet is connected to the annular scale portion. It is pulled out from the gap provided on the ring scale portion, and during the time counting, the rotating substrate is moved counterclockwise by the accumulation force of the mainspring mechanism, and the display sheet is pulled back, and remains by the end portion. To display the time And butterflies.

  According to the timer according to the present invention, the scale display by the colored transparent display sheet that is different from the color of the scale portion even from a certain distance away, has a high visual effect, and the accurate remaining time can be obtained from a distance. Easy to grasp.

It is a disassembled perspective view of a timer. It is a front view of a timer. It is sectional drawing of a timer. It is the perspective view seen from the back surface of the rotation board. It is the perspective view seen from the back surface of the operation part. It is the perspective view seen from the surface of the operation part. It is a perspective view of the timer which is rotating the operation part and is setting time. It is a front view of the state which completed the setting by the operation part. It is a perspective view of the timer of a modification. It is a front view of the conventional timer.

The present invention will be described in detail based on the embodiment shown in FIGS.
1 is an exploded perspective view of the timer, FIG. 2 is a front view of the assembled state, and FIG. 3 is a sectional view. The timekeeping unit 20 is disposed in the outer case 10, the scale unit 30 is fixed on the timekeeping unit 20, the operation unit 40 is interposed between the timekeeping unit 20 and the scale unit 30, and the cover 50 is further on the scale unit 30. It is attached.

  A circular recess 11 is provided in the outer case 10, and a timekeeping unit 20 is fixed in the recess 11. Claw receiving portions 12 are provided at several locations on the inner periphery of the recess 11.

  Although the internal illustration of the timing unit 20 is omitted, a mainspring mechanism including a mainspring spring that stores an accumulated force, a rotation speed controller that rotates in reverse by the accumulated force of the mainspring mechanism, and a set time elapse. It consists of a bell part that informs by sound. Further, a timer shaft 21 operated by a rotation speed controller protrudes upward from the time measuring unit 20 in a bar shape, and a cross section at the tip thereof is rectangular or D-cut. The timer shaft 21 is rotated once in the counterclockwise direction in 60 minutes by a rotation speed controller.

  The scale part 30 has a short cylindrical side wall 31 and an annular scale part 32 which is provided on the inner side of the side wall 31 and has a black scale line and numbers on a white background. The annular scale portion 32 is cut from the center direction in the radial direction at a location of substantially scale 0, and both ends of the cut portion are formed as gap portions 33 having steps, and from one end portion of the gap portion 33 to the other. The circular scale part 32 between the circumferential directions to the end of the ring is formed in a loose spiral ring. In the gap portion 33, the step end portion 34 on the counterclockwise direction is positioned above.

  On the white circular scale part 32, a scale line composed of 60 black lines corresponding to 60 minutes is printed or engraved over one round, or a sheet on which the scale line is printed is attached. Further, a number corresponding to the time (min) is printed according to the number of 0, 5, 10, 15,... Yes.

  A plurality of claw portions 35 project from the side wall 31, and the claw portions 35 are fitted into the claw receiving portions 12 of the outer case 10, so that the side walls 31 are often embedded in the recesses 11. The scale portion 30 is fixed to the outer case 10.

  The operation unit 40 includes a disc-shaped rotating substrate 41 and a display sheet 42 made of a synthetic resin film or a molded product attached to the back side of the rotating substrate 41. The operation unit 40 is attached to the timer unit 20 via the timer shaft 21 of the timer unit 20. A ridge setting knob 43 is provided so as to cross the center of the surface of the rotating substrate 41. On one end of the upper surface of the setting knob 43, a directional mark 44 such as an arrow indicating a graduation line is attached by printing or engraving. Yes. Further, a step 45 is provided on the rotary substrate 41 below the side surface at one end of the setting knob 43 on the side where the directivity mark 44 is provided, and the height of the step between the step 45 and the gap 33 of the scale 30 is as follows. It is almost coincident. The back surface of the rotating substrate 41 is formed so as to be a loose spiral having the same degree as the spiral of the annular scale portion 32 in the circumferential direction.

  Furthermore, as shown in FIG. 4, a fitting recess 46 is provided in the center of the back surface of the operation unit 40 to be fitted to the tip of the timer shaft 21 protruding from the time measuring unit 20. A notch portion 45 a for inserting the end portion of the rotating board 41 is provided, and a plurality of bosses 47 are provided on the inner periphery of the rotating substrate 41.

  After the rotation substrate 41 is connected to the timer shaft 21 by fitting, the rotation substrate 41 is driven by counterclockwise rotation of the timer shaft 21 when measuring time, and the timer shaft 21 is rotated clockwise when setting the time. . The size of the outer circumferential circle of the rotating substrate 41 and the inner circumferential circle of the annular scale portion 32 are substantially the same, and the rotating substrate 41 is fitted into the annular scale portion 32 so as to be rotatable. Annular scale 32 is located around.

  The display sheet 42 is a colored and transparent annular shape that can be distinguished from the color of the annular scale portion 32, and the outer shape is circular, the outer diameter of which coincides with the outer diameter of the annular scale portion 32, and the inner diameter is the rotating substrate. A mounting hole 48 that is often smaller than the outer diameter of 41 and into which the boss 47 of the rotating substrate 41 is inserted is formed near the inner periphery. The display sheet 42 may be circular instead of the annular shape as in the embodiment.

Further, the display sheet 42 is provided with a cutting portion 49 toward the center at the position of the stepped portion 45 of the rotating substrate 41, and the boss 47 of the rotating substrate 41 is inserted into the mounting hole 48 as shown in FIG. The tip of the boss 47 is fixed by welding.
FIG. 6 is a perspective view as seen from the front surface of the operation unit 40, and the display sheet 42 has a spiral shape following the spiral portion on the back surface of the rotating substrate 41, and the end portion of the cutting portion 49 is formed on the rotating substrate 41. The display sheet 42 is also provided with a step at the cutting portion 49 by being locked by a notch 45 a provided at the step 45.

  The display sheet 42 is preferably red and transparent with respect to the white circular scale portion 32, but may be other colors. Further, the color transparency of the colored transparent film may be gradation so that the display sheet 42 is darkened clockwise. As a result, when the remaining time of the timer decreases, the display color of the display sheet 42 appears to be darker, and the effect of visually warning when the remaining time is particularly reduced is increased. Alternatively, if the display sheet 42 is changed in color at a different angle, the remaining time can be determined by looking at the color.

  When the scale unit 30 and the operation unit 40 are arranged in the outer case 10, the gap portion 33 of the annular scale unit 32 is arranged near the scale 0. As shown in FIG. 7, the end portion of the cutting portion 49 of the display sheet 42 is drawn out from the gap portion 33 onto the annular scale portion 32. A cover 50, which is an annular transparent plate, is fixed to the upper part of the scale portion 30 so that the finger does not touch the display sheet 42 when operating the setting knob 43.

  Actually, as shown in FIG. 2, the gap portion 33 of the annular scale portion 32 is cut in the vicinity of the scale 59 minutes, and the end portion of the cut portion 49 of the display sheet 42 on the side not locked to the cut portion 45a. Is placed on the lower step portion side of the gap portion 33 of the ring scale portion 32 so as to coincide with the scale 0, it becomes easy to pull out the end portion of the display sheet 42. Further, the end portion of the display sheet 42 is slightly exposed in the vicinity of the scale 0 when it is not in operation, so that it can be intuitively known that the display sheet 42 is not in use or time is out.

  In use, when the setting knob 43 is rotated clockwise by winding the mainspring spring against the urging force, the end of the cut portion 49 of the display sheet 42 is removed from the gap 33 of the ring scale portion 32. It is pulled out with the rotation of the operation unit 40 from the top, and moves while sliding along the ring scale unit 32. By this rotation operation, a clockwise urging force is applied via the timer shaft 21, and the accumulated force is stored in the mainspring mechanism of the time measuring unit 20. The maximum set time in the embodiment is about 59 minutes in which the end of the cutting portion 49 of the display sheet 42 makes one round on the annular scale portion 32.

  Then, when the rotation for a predetermined time is finished and the finger is released from the setting knob 43, the timing unit 20 is rewound by the accumulation force of the mainspring spring, so that the rotating substrate 41 and the display sheet 42 are counterclockwise via the timer shaft 21. While slowly moving in the direction, start the timing with a sound of “tick, tick, ...”. When the time is measured after a predetermined time has elapsed, the counterclockwise rotation of the rotating substrate 41 is stopped, the end of the cutting portion 49 of the display sheet 42 coincides with the scale 0, and the bell portion of the timing portion 20 is Operates and the bell rings to indicate the end of timing.

  In this timing process, the display sheet 42 returns along the circular scale part 32, the remaining time of the timer is covered and displayed by the display sheet 42, and the remaining time is accurately determined by the position of the end of the cutting part 49. Can be read. For example, if the display sheet 42 is made of a red translucent film, the annular scale portion 32 of the remaining time of 15 minutes becomes red as shown in FIG. The remaining time of 15 minutes can be easily and accurately read using the end of the portion 49 as a reference.

  Since the step portion 45 is provided on the back surface of the rotating substrate 41, a gap is generated between the display sheet 42 and the annular scale portion 32 by the step portion 45, and the display sheet 42 is formed in the annular scale portion 32. Since there is no contact, the display sheet 42 can be continuously used even when the display sheet 42 is bent during the aging of the timer or even if dust enters between the display sheet 42 and the scale line.

  As a modification, it is also possible to use a bonded operation unit 40 which is flat without providing the spiraled step 45 on the back surface of the rotating substrate 41 and attached to the flat back. In this case, it arrange | positions so that the annular scale part 32 by the side of the low step part of the gap | interval part 33 may be inserted | pinched between the both ends of the cutting part 49 of the display sheet 42, and the display sheet is made to slide by sliding the edge part of the cutting part 49 42 is displayed.

  The orientation mark 44 may be printed on the top surface of the rotating substrate 41 without providing the setting knob 43 on the rotating substrate 41. In this case, the setting operation is performed by grasping the side surface of the rotating substrate 41 with a finger. Thus, the display sheet 42 is rotated with the end portion of the cutting portion 49 as a reference.

  In the above-described embodiment, the rectangular outer case 10 has been described, but a cylindrical outer case 10 'may be used as in the modification shown in FIG. Moreover, as long as the scale part 30, the operation part 40, and the time measuring part 20 are united and can be fitted to the exterior case 10 ', the shape of the exterior case 10' may be appropriately adopted. An acoustic hole 13 that emits the sound of the bell portion is provided on the side surface of the exterior case 10 ', and can be appropriately provided according to the shape of the exterior case 10'.

  The timer according to the present invention may be incorporated in an electric device such as a microwave oven or a toaster, or a toy, and the power supply can be cut off by a contact point when the timing is over.

DESCRIPTION OF SYMBOLS 10, 10 'Exterior case 11 Recessed part 12 Claw receiving part 20 Timekeeping part 21 Timer shaft 30 Scale part 31 Side wall 32 Ring scale part 33 Gap part 35 Claw part 40 Operation part 41 Rotating board 42 Display sheet 43 Setting knob 44 Directional mark 45 Stepped portion 46 Fitting recessed portion 49 Cutting portion 50 Cover

Claims (7)

  A disc-shaped rotating board is connected to the mainspring mechanism in the outer case via a timer shaft, and an annular scale portion fixed integrally to the outer case is disposed around the rotating board, and the rotating board is arranged. The timer is configured to rotate with respect to the ring scale portion, and a display sheet having a circular outer shape covering the ring scale portion is attached to the rotating substrate, and the rotation is performed when setting the time. The substrate is rotated clockwise to give an accumulation force to the mainspring mechanism, and the end portion of the cut portion provided in the display sheet is pulled out from the gap portion provided in the annular scale portion onto the annular scale portion. The timer is characterized in that during the time counting, the rotating substrate is rotated counterclockwise by the accumulation force of the mainspring mechanism, the display sheet is pulled back, and the remaining time is displayed by the end portion.   The timer according to claim 1, further comprising a bell portion that rings a bell when the remaining time ends.   2. The rotating board is provided with a setting knob of a ridge that crosses the center of the surface, and the display sheet below a side surface of one end of the setting knob is provided with the cutting portion as a center. 2. The timer according to 2.   The timer according to claim 3, wherein a step portion is provided on the rotating substrate below a side surface of one end of the setting knob.   The timer according to claim 4, wherein the height of the gap portion of the ring scale portion and the step portion of the rotating substrate are substantially matched.   The timer according to any one of claims 3 to 5, wherein a directivity mark is provided on one end of the setting knob.   7. The display sheet according to claim 1, wherein the display sheet is arranged so that the colored transparent color is darkened in a clockwise direction, or the colored transparent color is changed according to an angle from the center. The timer described in the item.

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