JPH061654U - Lock display mechanism - Google Patents

Abstract

(57) [Summary] [Object] To provide a mechanism for displaying whether or not the openable and closable upper unit of the medium carrying device is completely locked with the fixed part. [Structure] In the lock display mechanism of the present invention, a lock display hole 26 is opened in a cover 25 of a fixed portion (13B), and on the other hand, a lock display plate 23 is provided so that the inside of the cover 25 can be rotated around a fulcrum. When the lock arm 15 is moved from the unlocked state to the locked state and the lock arm 15 is completely locked with the lock shaft 16, the lock indicator mark 24 is provided on the lock indicator mark 24. It becomes completely visible through 26 and it is confirmed that the lock is completed.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a lock display mechanism, and more particularly to a mechanism for displaying a locked state, which is provided with means for confirming whether or not a lock mechanism between units such as a medium transport device is surely locked.

[0002]

[Prior art]

 FIG. 1 is a side view of an apparatus, for example, a medium conveying apparatus for feeding and conveying a certificate or the like. In the figure, reference numeral 11 with an arrow indicates the whole apparatus, 12 is an openable / closable member, upper unit, 13A and 13B. Is a fixed portion that is connected to the upper unit 12, and the upper unit 12 can move about a fulcrum 14 to a position indicated by a chain double-dashed line. Reference numeral 15 is a lock arm, 16 is a lock shaft, and 17 is a lock lever.

A state in which the upper unit 12 and the fixing portions 13A and 13B are locked and unlocked is shown in FIGS. 2 and 3. In these figures, the same parts as those shown in FIG. 1 are indicated by the same reference numerals, FIG. 2 is a view showing a state to be locked, and FIG. 3 is a view showing a locked state. When the lock arm 17 attached to the upper unit 12 is moved in the direction of the arrow by operating the lock lever 17, the hook-shaped portion of the lock arm 15 is fixed to the lock shaft 13B of the device as shown in FIG. Therefore, the upper unit 12 is locked with the fixed portions 13A and 13B. The upper unit 12 is opened as described above for servicing various internal parts, and is locked in the state shown by the solid line in FIG. 1 when the use is finished.

[0004]

[Problems to be solved by the device]

 Conventionally, the medium conveying device of FIG. 1 has no means for confirming whether or not the medium is securely locked. Therefore, even though the upper unit 12 was not securely locked, it was sometimes mistakenly considered that the upper unit 12 was locked just by lowering it, and the next work was performed, which may cause the malfunction of the medium carrying device.

To explain the above-mentioned malfunction more specifically, a group of rollers 21A, 21B, 21C, 21D, ... Are arranged in the upper unit, and a group of rollers 22A corresponding to these rollers are arranged. 22B, 22C and 22D are provided in the fixed portions 13A and 13B, and the medium is conveyed between these rollers. Therefore, the interval between the corresponding pair of rollers, that is, the rollers 21A, 21B, ... And 22A, 22B, ... Is a strictly constant distance. If these rollers are operated in an attempt to convey the medium when the upper unit 12 is not securely locked, not only is the medium not conveyed or the medium is jammed between the pair of rollers. This may damage parts of the equipment. In that case, it is necessary to stop the operation of the device and inspect or repair it.

Therefore, an object of the present invention is to make it easy to see whether or not the movable portion of the medium conveying device such as the upper unit 12 shown in the figure is securely locked to the other unit, for example, the fixed portions 13A and 13B described above. It is to provide a mechanism to display in.

[0007]

[Means for Solving the Problems]

 The present invention is a mechanism for displaying the lock completion of the openable / closable member (12) and the fixed parts (13A, 13B) of the device (11), and is provided on the lock display plate (23) attached to the device. A lock indicator hole (26) matching the shape of the lock indicator mark is opened in the cover (25) of the device, and the lock indicator plate (23) rotates inside the cover (25) around the fulcrum (27). The lock indicator (24) is visible through the lock indicator hole (26) when the lock arm (15) mounted on the upper unit (12) is operated and locked on the lock shaft (16). It is characterized by being in a state and confirming the lock completion.

[0008]

[Action]

 In the present invention, the lock display plate 23 that follows the movement of the lock arm 15 attached to the upper unit 12 is provided with the display mark 24, and the cover 25 of the fixing portion 13B of the device is provided with the lock display hole 26 corresponding to the display mark. Leave (open). The lock display plate 23 is arranged so as to be rotatable inside the cover 25 around the fulcrum 27. Then, when the upper unit 12 is combined with the fixed portions 13A and 13B and the lock arm 15 is locked with the lock shaft 16, the display mark 24 can be clearly seen from the outside through the lock display hole 26, and the locked state can be confirmed. To be done.

[0009]

【Example】

 Hereinafter, the present invention will be described in detail with reference to the drawings. Referring to FIG. 2, which is an enlarged view of the lock portion 20 surrounded by the dashed-dotted line circle in FIG. 1, in the present invention, the lock display hole 26 is formed in the cover 25 of the fixed portion. The lock display hole 26 is formed in correspondence with the size or shape of the lock display mark 24 (shown by hatching in the figure) provided on the lock display plate 23. The lock display plate 23 is arranged rotatably inside the cover 25 around the fulcrum 27.

As described above, the lock display plate 23 is provided with the lock display mark 24. It is formed by drawing a noticeable color such as black or red or by attaching a coloring label. A projection piece 23A engageable with the lock arm 15 is formed at the lower right end of the lock display plate 23 in the figure, and a spring 28 is arranged between the root of the projection piece 23A and the fixed portion 29. .

In the unlocked state of FIG. 2, the spring 28 is extended by its spring force to operate the lock display plate 23 in a state where the lock display plate 23 abuts the lock shaft 16 at a position where the lock display plate 23 is diagonally right-stopped. In this state, the hook portion of the lock arm 15 is separated from the lock shaft. When the lock lever 17 is operated here, the lock arm 15 moves in the direction of the arrow, and the hook portion of the lock arm 15 engages with the lock shaft 16 to lock as shown in FIG. 3, which is similar to FIG. In this process, the inclined side of the hook portion of the lock arm 15 engages with the protruding side 23A to move the lock display plate 23 from the state of FIG. 2 to the state of FIG. At that time, the lock display hole 26 is completely aligned with the lock display mark 24, and the lock display mark 24, which was partially visible in the state of FIG. 2, is completely exposed, thereby confirming the lock completion. Become.

Therefore, when the operator confirms the lock display mark 24 and then performs an operation such as transporting the medium, the lock is completed, so that the pair of roller groups 21A and 22A, 21B and 22B, ... Since it is in the normal position, medium feeding can be performed without any trouble.

[0013]

[Effect of device]

 As described above, according to the present invention, it is possible to confirm the locked state of the movable portion such as the upper unit, which includes the openable and closable upper unit such as the medium conveying device and the fixed portion that engages with the upper unit. By providing the mechanism, it is possible to completely prevent the malfunction of the device due to the incomplete lock operation. In the above description, the medium transport device is described as an example, but the scope of application of the present invention is not limited to that, and the fixed part and the movable part relatively movable thereto are provided, and the movable part is the fixed part. This also applies to other devices configured to be locked to.

[Brief description of drawings]

FIG. 1 is a diagram of a medium transport device including a mechanism according to the present invention.

FIG. 2 is an enlarged view showing an opened state of a lock portion of the apparatus shown in FIG.

FIG. 3 is an enlarged view showing a locked state of a lock portion of the device of FIG.

[Explanation of symbols]

 11 Medium transport device (device) 12 Upper unit (openable / closable member) 13A, 13B Fixed part 14 Support point 15 Lock arm 16 Lock shaft 17 Lock lever 20 Lock part 21A, 21B, 21C Roller 22A, 22B, 22C roller 23 Lock display plate 23A Projection piece 24 Lock display mark 25 Cover 26 Lock display hole 27 Support point 28 Spring 29 Fixed part

Claims (1)

[Scope of utility model registration request] 1. An openable / closable member (12) and a fixed part (1) of a device (11).
3A, 13B) for indicating the lock completion, and a lock display hole (26) conforming to the shape of the lock display mark provided on the lock display plate (23) attached to the device is provided with a cover (26) of the device. 25), and the lock display plate (23) covers the fulcrum (27) as the center (25).
When the lock arm (15) attached to the upper unit (12) is operated to lock it on the lock shaft (16), the lock indicator mark (24) will move the lock indicator hole (26). The lock display mechanism is characterized by being visible and confirming lock completion.