JPS6255603B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a recorder used in an underwater object detection device such as a fish finder, and in particular to a recorder used in an underwater object detection device such as a fish finder. This invention relates to a recording device in which recording paper can be easily removed from a frame.

Hereinafter, a case will be described in which the present invention is implemented in a recorder of an underwater object detection device.

Many underwater object detection devices use a method that receives reflected ultrasonic waves and records continuous underwater cross-sectional images on recording paper, but there is no mechanism that automatically rewinds the recording paper after recording. Many are equipped with. Generally, in this type of recorder, the recording paper is stretched over almost the entire surface of the recorder, as shown in Figure 1, in order to enable observation of the underwater cross-sectional image drawn on the paper over as wide a range as possible. However, it is customary to store the take-up frame on the back side. Therefore, both unused recording paper and recorded recording paper are stored on the back side of the recorder, so when replacing the recorder, raise the recorder and fold the edges of the paper into the back, front, and back sides. The replacement operation, especially on board a ship, is troublesome and requires some skill.

FIG. 1 shows a perspective view of a conventional apparatus, and FIG. 2 shows an explanatory view of a cross section of the recorder shown in FIG. 1, viewed from the direction of arrow A.

Unused recording paper 1 in Figure 1 or Figure 2
is rotatably supported on the back side of the recording plate 2, and the leading edge of the recording paper 3 passes through the surface of the recording plate 2 as shown in the figure, is fed out at a constant speed by a paper feed roller 4, and is then returned to the winding frame on the back side of the recording plate 2. 5.

In this case, as described above, the recorded underwater image is designed to be displayed as widely as possible, so both the unused recording paper 1 and the winding frame 5 are stored on the back side of the recording plate 2, so that they cannot be seen from the direction of arrow B. It is normal that you cannot see it. Therefore, when replacing the recording paper, lift up the entire recording device 6, attach the new recording paper 1 from the back side, bring the leading edge of the paper to the surface through the gap between the paper hanging roller 7 and the belt 8, and insert the recording paper 2. It is necessary to pull the paper upward, guide it back through the gap between the paper feed roller 4 and presser roller 9, and wind it around the take-up frame 5. This is not an easy task on a moving ship. This caused meandering paper feed and poor winding.

In this invention, a feed-out reel and a take-up reel are disposed on the back side of a plane defined by a paper-hanging roller and a paper-feeding roller, and recording paper is fed out from the feed-out reel and a record is drawn at an appropriate position on the side of the paper-hanging roller. In a recording device in which the recording paper is stretched and held between a paper hanging roller and a paper feed roller, and the paper feed roller is rotated to sequentially move the recording paper and wind it onto a take-up reel, the above-mentioned feeding reel or take-up reel is used. It is an object of the present invention to provide a recording device that can eliminate the above-mentioned disadvantages by movably holding the paper hanging roller and paper feeding roller so that the frame can be taken out or inserted into the frame.

FIG. 3 is an explanatory diagram of one embodiment of the present invention, and FIG. 4 is an explanatory diagram showing the state of the embodiment shown in FIG. 3 when the recording paper is replaced.

In FIGS. 3 and 4, the recording plate is composed of pieces 10 and 11 made of approximately equal length, and the recording plate 11
A paper feed roller 4 is rotatably attached to one end of the recording plate 10, and a paper hanging roller 7 is rotatably attached to one end of the recording plate 10. Further, guide grooves 13 provided inside the side plates 12, 12 forming both sides of the frame of the recorder,
A hinge 15...15 at the top of the lifting frame 14, which is fitted into the frame 13 and is attached to be slidable up and down, is attached to the other end of the recording plates 10, 11.
Springs 16, 16 having an appropriate tensile force are stretched between the back surface of the lift frame 11 and the lifting frame 14. Small diameter portions are formed at both ends of the paper feed roller 4 and the paper hanging roller 7, and these small diameter portions are connected to the side plates 12, 12.
It is fitted into elongated holes 17 and 18 bored in the hole and is held so as to be slidable along these elongated holes. It is also possible to provide protrusions at appropriate positions on both side surfaces of the recording plates 10, 11 and fit them into the elongated holes 17, 18 to perform the same function as the small diameter portions of the rollers 4, 7.

When recording using the recording device configured as described above, as shown in FIG. 3, the paper feeding roller 4 comes into contact with the presser roller 9 that rotates at a constant speed by a drive source (not shown), so that the recording paper 3 is fed out at a constant speed and wound onto the winding frame 5.

When you finish using the unused recording paper 1 after a long period of use and want to replace the recording paper, pull up the handles 19 provided at both ends of the upper part of the elevating frame 14, and the recording plates 10 and 11 will be removed. The tip is a long hole 17,1
8, it is pulled along the elongated holes 17 and 18, and the housing portions for the recording paper 1 and the winding frame 5 are exposed as shown in FIG. Therefore, as shown in the figure, the work of replacing the recording paper can be carried out extremely easily by simply operating the user's hand in the directions of arrows C and C'.

Once the new recording paper has been installed, the user can return to the state shown in FIG. 3 by simply pushing the handle 19 against the force of the springs 16, 16, so no skill is required at all.

FIG. 5 shows another embodiment of the invention, and FIG.
The figure shows an explanatory diagram showing the state of the embodiment shown in FIG. 5 when the recording paper is replaced.

In FIGS. 5 and 6, the fulcrums 20, 20
A paper roller 7 is rotatably attached to one end of the recording plate 21, which is rotatably attached around the axis.
A fulcrum 22 is provided at the other end. Further, the paper feed roller 4 is supported at both ends by arms 23, 23, and the other end of the arm 23 is attached to be rotatable concentrically with the winding frame 5, for example. A fulcrum 24 provided at a suitable location on the arm 23 and a fulcrum 22 provided at the rear end of the recording plate 21 are connected by a connecting rod 25, and when the recording plate 21 is pulled up around the fulcrums 20, 20, paper is fed. The roller 4 is configured to automatically move to a position close to the fulcrum 20. The presser roller 9, which is rotated at a constant speed by a drive source (not shown), also has both ends connected to the arms 26, 2.
6, and a spring 27 with an appropriate tension.
Due to this action, the roller 4 is always kept in contact with the paper feed roller 4 while maintaining an appropriate contact pressure during the paper feeding state.

When the above-mentioned recording device is used, when replacing the recording paper, simply pulling up the recording plate 21 exposes the storage area for the recording paper 1 and the winding frame 5 as shown in FIG. The work can be done extremely easily by simply operating the hands in the directions of arrows D and D'. Once the new recording paper has been installed, the state shown in FIG. 5 can be restored by simply pushing in the recording plate 21, so no skill is required at all, as in the case of the previous embodiment.

Note that the recording plates 10 and 1 formed of the above-mentioned flat plates
The same effect can be obtained by using a frame-shaped structure instead of 1 or 21.

FIG. 7 shows another embodiment of the invention, and FIG.
The figure shows an explanatory diagram showing the state of the embodiment shown in FIG. 7 when the recording paper is replaced.

In FIGS. 7 and 8, two guide grooves (not shown) are provided parallel to each other above the inner surfaces of the left and right side plates 12, 12 constituting the recorder 6, and the slider slides in the guide grooves to the left and right in the paper. The metal fittings 28 and 29 having a movable structure are held. The paper hanging roller 7 is attached to the end of the upper metal fitting 28, and the lower metal fitting 29 is attached to the paper hanging roller 7.
A paper feed roller 4 is rotatably attached to the other end. Lack teeth are formed on opposing sides of the metal fittings 28 and 29, respectively, and the side plates 12, 12
As shown in the figure, it meshes with a small gear 30 rotatably supported near the center. The rear end of the metal fitting 28 and the weighted portion of the paper feed roller 4 are three-dimensionally arranged so that their trajectories do not intersect, as in the case of sliding doors, for example. Although not shown, the metal fitting 28 is provided with a locking metal fitting having a releasable mechanism in order to maintain the state shown in FIG. 7 continuously.

When the above recording device is used to record in the state shown in FIG. 7 and the recording paper 1 has been consumed, the handle 31 provided above the metal fitting 28 is moved in the direction of the arrow a shown in FIG. As the metal fitting 28 moves, the metal fitting 2
The small gear 30 that meshes with the rack teeth on the lower surface of 8 rotates to move the metal fitting 29 in the direction of arrow b. Therefore, as the paper hanging roller 7 and the paper feeding roller 4 are drawn toward each other, the recording paper can be easily replaced from the directions of arrows E and E' as shown.

FIG. 9 shows another embodiment of the invention, in which the first
FIG. 0 is an explanatory diagram showing the state of the embodiment shown in FIG. 9 when the recording paper is replaced.

One end of a metal fitting 28' having a paper hanging roller 7 is fixed above a wire 34 stretched between small-diameter V pulleys 32 and 33 rotatably attached to the inner surfaces of the side plates 12 and 12, and the wire 34
The explanation is the same as that shown in FIG. 7 except that one end of the metal fitting 29' having the paper feed roller 4 is fixed to the lower side of the metal fitting 29'.

Continuing to record in the state shown in FIG. 9, when the recording paper 1 has been consumed, the handle 31 provided above the metal fitting 28'
When the metal fitting 28' is moved in the direction of the arrow a shown in FIG. 10, the wire 34 rotates as the metal fitting 28' moves, and the metal fitting 29' is moved in the direction of the arrow b. Therefore, as the paper hanging roller 7 and the paper feeding roller 4 are drawn toward each other, the recording paper can be easily replaced from the directions of arrows F and F' as shown.

As described above, according to the present invention, when replacing the recording paper, by moving the handle provided at the appropriate position in a predetermined direction, the paper hanging roller and the paper feeding roller are moved, and the recording paper feeding reel and take-up reel are moved. It is possible to provide a recording device in which the frame is exposed and unused recording paper can be inserted and installed or used recording paper can be removed very easily.

[Brief explanation of the drawing]

1 shows a perspective view of a conventional device, FIG. 2 shows a partial sectional view of FIG. 1, FIG. 3 shows an embodiment of the present invention, and FIG. 4 shows an embodiment of the device shown in FIG. FIG. 5 shows another embodiment of the present invention, and FIG. 6 is an explanatory diagram showing the state of the embodiment shown in FIG. 5 when the recording paper is replaced. 7 shows another embodiment of the present invention, FIG. 8 shows an explanatory diagram showing the state of the embodiment shown in FIG. 7 at the time of replacing the recording paper, and FIG. Another embodiment is shown, and FIG. 10 is an explanatory diagram showing the state of the embodiment shown in FIG. 9 when the recording paper is replaced.

Claims (1)

[Scope of Claims] 1. A feed-out reel and a take-up reel are arranged on the back side of a plane defined by a paper-hanging roller and a paper-feeding roller, and a record is drawn at an appropriate position on the paper-hanging roller side by being fed out from the feed-out reel. In a recorder that stretches and holds the recording paper between a paper hanging roller and a paper feed roller, and rotates the paper feed roller to sequentially move the recording paper and wind it onto a take-up reel, the above-mentioned feeding reel and It is characterized by having a holding mechanism that holds the paper hanging roller and paper feeding roller so that they can be moved in one movement so that the take-up reel can be taken out from the recording observation side or inserted and installed. Recording device.