JPS6346813Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to an event marker recording device for a recorder.

Conventional technology Recorders not only record changes in the measured signal on recording paper by continuous pen writing or dot recording as the main record, but also record information such as recording time on voltage as event marker records as necessary. Recording is performed on recording paper in a direction perpendicular to the direction in which the recording paper moves in response to external signals such as on/off signals.

The pen recording position of the event marker on the recording paper is
Normally, the pen recording position of the main record and the time axis direction are made to match, and a track dedicated to an event marker is used, which is different from the track of the main record.

In terms of main recording, recent recorders are required to have multiple pens in order to record changes in a wide variety of measured signals on the same recording paper, and at the same time as increasing the number of pens, it is necessary to reduce the external dimensions of the meter itself. It has been done.

In event marker recording, as well as increasing the number of pens for main recording, there is a demand for two or more event markers instead of the conventional single event marker.

In order to meet the demand for increasing the number of pens for main recording, the trend toward smaller instruments, and increasing the number of pens for event marker recording, there is a need for an event marker recording device that is compact and easy to handle.

An example of a conventional event marker recording device will be described with reference to FIG. When a signal voltage is applied from the outside to a coil 51 attached to a fixed part 50 such as the frame of the recorder, the movable iron piece 52 is attracted against the elasticity of the plate spring 53, and at the same time, the pivot bracket 54 is turned into a fulcrum. As the other end 52 of the movable iron piece 52
a moves to the left in FIG. 1, causing the slit 55a of the rotating piece 55 to rotate counterclockwise around the shaft 56. Pen pipe 57a of the pen device 57 inserted into the other slit 55b of the rotating piece 55
When the pen tip 57b is moved to the right, the pen tip 57b is moved to the right in the figure, and an amount corresponding to the movement of the pen tip is recorded on the recording paper.

In such a structure, from the movable iron piece 52 to the pen tip 5
It passes through many joints before reaching 7b,
There is a lot of loss in movement and the movement is not properly transmitted.
In addition, the recording quality was poor, such as the trajectory of the event marker recording being arcuate, and the vibrations caused by the suction of the movable piece being amplified and transmitted to the pen tip, causing the pen tip to jump and blurring the recording. Furthermore, the structure is complicated, the cost is high, and a large installation space is required.

Purpose of the invention The purpose of the present invention is to solve the above-mentioned drawbacks of the prior art, and to meet the demands for increasing the number of pens and downsizing the recorder as well as for equipping multiple event marker recording devices, the purpose of the present invention is to provide a low-cost yet high-quality recording system. The object of the present invention is to provide an excellent small-sized event marker recording device.

Structure of the invention In order to achieve the above object, the event marker recording device according to the invention has a coil with a frame attached to a fixed part such as the frame of a recorder, a plate-like movable piece facing the coil, and a coil diameter of the coil frame. A pair of protrusions are provided at both ends of the top. A pair of brackets, each having an elongated hole into which the protrusion fits, are attached to the coil-opposing surface of the movable piece, and a bias spring is stretched between one end of the bracket and the protrusion, so that the protrusion and the elongated hole of the bracket are connected to each other. The fitting simultaneously prevents the movable piece from rotating and guides its linear motion, and also restricts the stroke of the movable piece, that is, the stroke of the marker pen device held by the movable piece. A pen holder for a marker pen device is rotatably attached to a movable piece, and a pen pressure spring is stretched between one end of the pen holder and one end of the movable piece. If necessary, a pen lifting lever is pivotally attached to a movable piece, and when recording of an event marker is not required, the lever is operated to release the pen tip of a marker pen device from the recording paper and to interrupt recording of an event marker.

Embodiments Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. A second diagram showing a perspective view of an embodiment of the present invention.
In FIG. 3 showing a cross-sectional view in the direction of arrow P-P in FIG. U-shaped coil frame made of magnetic material, 2
3 is a coil, 3a is a lead wire, 4 is a bobbin for winding the coil 3, and 5 is a tubular iron core made of a magnetic material. The flange 5a is connected to the flange 5a. The free end 5b of the tubular core 5 is fixed to the center hole of the coil frame 2, and the bobbin 4
is held between the flange 5a and the coil frame 2.

The movable piece 7 having the plunger 6 is made of a flat plate made of magnetic material, and the plunger 6 is pipe-shaped and is attached to the center of the movable piece 7 and inserted into the central hole of the iron core 5 in the direction B-B' in FIG. It is slidably inserted. Brackets 8 each having a U-shaped cross section and having elongated holes 8a are attached to both ends of the coil-opposing surface of the movable piece 7.

With reference to FIG. 4, which shows the side surface in the direction of arrow Q-Q in FIG. 3 with the marker pen device described below removed, and FIG.
has a protrusion 2b, which is loosely fitted into the elongated hole 8a, and a biasing spring 9 is stretched between the protrusion 2b of the coil frame 2 and the protrusion 8b of the bracket 8. The biasing spring 9 pulls the protrusion 8b toward the protrusion 2b and moves the movable piece 7
It acts in the direction of moving away from the coil 3. Also, coil 3
is not excited, the protrusion 2 of the coil frame 2
b comes into contact with the edge of the elongated hole 8a furthest from the movable piece 7, and the separation of the movable piece 7 from the coil 3 is limited. When the coil 3 is energized, the movable piece 7 is attracted to the coil 3 until it comes into contact with the coil frame 2 as shown by the dotted line 7' in FIG.
The elongated hole 8a moves to the position indicated by the dotted line in the figure. Therefore, the amount of movement of the movable piece 7, that is, the recording stroke S of the marker pen device 13 held by the movable piece 7
One end (FIG. 3) is defined by a long hole 8a.
Further, since the protrusion 2b is fitted into the elongated hole 8a, rotation of the movable piece 7 is prevented.

The pen holder 10 is made up of a flat plate member and a holding plate 10a made of a leaf spring, and in the illustrated embodiment, the pen holder 10
A shaft 11 is fixed to the center of the flat plate member. Axis 11
is coaxially and rotatably secured to the hollow portion of the pipe-shaped plunger 6 by a clip 12.

The marker pen device 13 held in the pen holder 10 by the presser plate 10a can be, for example, a cartridge type felt-tip pen as in the illustrated embodiment, but does not necessarily need to be a cartridge type.
Referring to FIG. 2 and FIG. 6, which shows a side view in the direction of arrow RR in FIG. It is placed in between. Therefore, the pen holder 10 is centered around the axis 11 and is moved along the solid line arrow C in both figures.
The pen tip 13a of the marker pen device 13 receives a rotational force in the direction of the writing pressure, that is, the pen pressure. The pen lift lever 15 is rotatably locked to the movable piece 7 by a pivot means 15a. By the pen pressure spring 14,
A portion of the lower edge of the pen holder 10 engages with the top side of the pen lift lever 15 when it is activated.

As is clear from the above description, in order to attach the entire event marker recording device to a recorder, it is sufficient to simply fix the coil frame 2 to a fixed part 50 such as a frame of the recorder with the mounting screws 2a.
In addition, the event marker recording device can be placed on any edge of the recording paper 1, and if necessary, it can be installed so as to record event markers on both edges of 0% and 100% of the recording paper scale. You can also do that.

Next, the operation will be explained. External signal is turned on and
For example, when DC approximately 24V is applied to the lead wire 3a of the coil 3, the coil 3 is excited and the movable piece 7 is attracted to the coil 3 against the elasticity of the biasing spring 9 until it comes into contact with the end face of the coil frame 2. . When the external signal is turned off, the excitation of the coil 3 is released and the movable piece 7 is separated from the coil 3 by the elasticity of the biasing spring 9, and one end of the elongated hole 8a of the bracket 8 comes into contact with the protrusion 2b of the coil frame 2 and stops. do. In other words, the movable piece 7 moves linearly as indicated by the arrow B-B' by turning on and off the external signal. As a result, naturally, the marker pen device 13 and the pen tip 13a held by the pen holder 10 that is locked to the movable piece 7 also move along the arrow B--
Perform the linear motion of B′. At this time, pen pressure spring 1
Since the pen pressure of 4 is applied to the pen tip 13a on the recording paper 1, an event marker M having a vertical rise as shown in FIG. 3 can be recorded. Moreover, the stroke S of the event marker M can be accurately regulated by the contact between the movable piece 7 and the coil frame 2 and the length of the elongated hole 8a of the bracket 8.

When it is not necessary to record the event marker M, the recording can be easily interrupted by simply turning the pen lift lever 15 counterclockwise around the pivoting means 15a in FIG. At this time, due to the engagement between the pen lift lever 15 and the pen holder 10, the pen holder 10 moves counterclockwise to the shaft 11.
As shown by the dashed line in FIG. 6, it is known to those skilled in the art that the pen tip 13a of the marker pen device 13 held in the pen holder 10 separates from the recording paper 1 and recording is no longer performed. It is clear that To resume recording, it is sufficient to manually return the pen lift lever 15 to the solid line position in FIG.

In the illustrated embodiment, a cartridge type pen (signature pen) is used as the marker pen device, but it may be replaced with a capillary type pen or a thermal pen. Also, the biasing spring 9 and the pen pressure spring 14 may be replaced with other suitable elastic bodies.

Effects of the invention The effects achieved by the invention are listed below.

(b) Since all movements of the movable piece caused by turning on and off external signals are transmitted virtually directly to the pen tip, it is expected that the quality of the event marker will improve.

(b) Since the pen tip is brought into secure contact with the recording paper using an appropriate pen pressure, records will not be skipped.

(c) The stroke of the event marker can be accurately regulated.

(d) A high-quality event marker record with a vertical rise can be obtained.

(e) Since the marker pen device is attached directly to the movable piece using a flat plate-like movable piece and is miniaturized, it becomes possible to equip two or more event marker recording devices in a narrow space inside the recorder.

(F) The structure is simple and suitable for low-cost mass production.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of a conventional device, FIG. 2 is a perspective view of the device of the present invention, FIG. 3 is a sectional view thereof, and FIGS. 4, 5, and 6 are explanatory views of main parts. 1: Recording paper, 2: Coil frame, 2b: Protrusion, 3:
Coil, 5: Tubular core, 6: Plunger, 7: Movable piece, 8: Bracket, 8a: Long hole, 9: Biased spring, 10: Pen holder, 13: Marker pen device,
13a: Pen tip, 14: Pen pressure spring, 15: Pen lift lever.

Claims (1)

[Claims for Utility Model Registration] (1) A coil with a frame fixed to a recorder, a plate-shaped movable piece that is attracted to the coil when the coil is energized, and two movable pieces formed on the coil frame at opposing positions on the diameter of the coil. a protrusion, two brackets each fixed to the movable piece and having an elongated hole into which the protrusion fits; inserted between the bracket and the protrusion to engage the protrusion with one end of the elongated hole when the coil is not energized; a biasing spring acting on the movable piece, a pen holder rotatably attached to the movable piece, a marker pen device detachably held on the pen holder, and a pen inserted between the pen holder and the movable piece. A recorder event marker recording device equipped with a pressure spring. (2) Utility Model Registration In the event marker recording device according to claim 1, a tubular iron core is attached to the center of the coil, and a plunger that is slidably fitted into the hollow part of the iron core is attached to the movable piece. An event marker recording device with an attached recorder. (3) Utility model registration The event marker recording device according to claim 1, comprising a pen lift lever rotatably supported on the movable piece so as to engage with one end of the pen holder. event marker recording device.