JPH0728350Y2 - Key switch device for time recorder - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention is used in the technical field of time recorders, and more specifically, a key switch device suitable for use as a mode switching mode of a time recorder. Regarding

[Conventional technology]

In a conventional computerized time recorder, a key switch (changeover switch) is used for mode switching of the time recorder, and when the mode switching key is in the "normal" position (neutral), When the time recorder performs normal data processing and switches the above key to the "operation" position, it is possible to set the time adjustment, holidays, etc., or execute various operation modes such as hitting, correcting, counting, etc. In addition, when the above key is set to the "case open" position, the case of the time recorder is opened so that the internal mechanism can be inspected.

[Problems to be solved by the device]

In the time recorder equipped with the key switch configured as described above, it is very convenient to use because the mode can be switched and the case can be opened by using one key (key). When this key operation is outsourced to a general employee, the employee arbitrarily manipulates the key and switches the time recorder to a different mode,
In some cases, when the case was opened and the internal mechanism was illegally operated, it was necessary to pay close attention to the key management.

Therefore, the technical problem of the present invention is that when the operation mode key is inserted, the key can be rotated only in the direction of the contact position for switching the operation mode, and when the case opening key is inserted, the key can be rotated. The key can be rotated only in the case open position to prevent unauthorized use of the key, and when the master key is inserted, rotate the key in either the left or right direction to switch the time recorder to the operation mode. Another point is to provide a key switch device for a time recorder that is devised so that the case of the time recorder can be opened.

[Means for Solving the Problems]

Means taken in the present invention to solve the above technical problems are as follows.

When the key for mode switching is inserted into the key hole of the inner cylinder fitted in the outer cylinder attached to the time recorder, the key pin pushes the slide pin fitted into the pin hole of the inner cylinder to the outside. Then, the lock pin that is elastically ejected by the spring from the fitting hole of the outer cylindrical body and protrudes into the pin hole is pushed back to the fitting hole to unlock, and the inner cylindrical body is placed in the neutral normal mode position. Centering on, the direction of the operation mode switching position where you can switch the mode of the time recorder to the operation mode and the direction of the case opening position where you can open the case of the time recorder can be switched forward and backward respectively to freely rotate. In a key switch device for a time recorder configured so that (1) a pin hole into which the slide pin and the lock pin are fitted and a fitting hole are respectively provided on the peripheral surfaces of the inner cylinder body and the outer cylinder body. 2
The inner cylinder is provided with a recess, and a clearance groove is formed on the peripheral surface of the inner cylindrical body so as to disengage the lock pins protruding from the respective inlets of the upper and lower pin holes in different circumferential directions. To do.

(2) An operation provided with a key mountain that pushes out only one of the upper and lower slide pins to the outside of the mode switching key configured to be freely inserted into the keyhole of the inner cylinder A key for mode switching and a key for opening the case with a key mountain that pushes only the other slide pin outward.

(3) A master key for both operation mode switching and case opening, which has keys for operating mode switching and case opening, and keys for pushing the slide pins on the upper and lower sides together outward. Composed of and.

[Action]

 The above means operate as follows.

In the element described in (1) above, for example, a relief groove continuous with the inlet of the upper pin hole is formed in the clockwise direction, and a relief groove continuous with the inlet of the lower pin hole is counterclockwise. When it is formed in the rotation direction, the lock pin protruding in the upper pin hole is pushed back into the upper fitting hole of the outer cylinder to unlock it, and the inner cylinder can be rotated only in the clockwise direction. On the other hand, when the lock pin protruding into the lower pin hole is pushed back into the lower fitting hole of the outer cylinder to unlock, the inner cylinder can be rotated only in the counterclockwise direction. Therefore, it is possible to switch the mode of the time recorder from the normal mode to the operation mode or to open the time recorder by the forward / reverse switching rotation of the inner cylinder.

Since the element described in (2) above has a configuration in which the normal and reverse switching rotation of the inner cylinder is performed only by different dedicated keys, the inner cylinder can be operated in both forward and reverse directions, that is, by operating only one of the keys. It is impossible to rotate between the contact position of the mode and the position where the case is opened. Therefore, it is possible to prevent the unauthorized use of the key that performs different operations by illegally rotating the inner cylinder in the opposite direction.

The element described in (3) above uses the master key to freely rotate the inner cylinder, which could only be rotated in one direction with other keys, in both forward and reverse directions, and to switch to the operation mode. It is possible to open the case alternately and smoothly.

As described above, the technical problems described above can be solved by the above means, and the problems of the conventional technology can be solved.

〔Example〕

Hereinafter, a preferred embodiment of the time switch key switch device according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is an external view showing an overall structure of a time recorder equipped with a key switch device according to the present invention. The key switch generally indicated by reference numeral 1 is fitted on the upper surface of a recorder T. As shown in FIG. 2, a plate 4 displaying the characters 4a, 4b, 4c of "normal", "operation", and "case open" showing the switching position of the key switch 1 is attached to the upper surface portion of the key switch 1. When 1 is set to the "normal" position 4a (neutral), the time recorder T performs the normal work recording operation, and when it is set to the "operation" position 4b,
The mode of the time recorder T is configured to switch to various setting modes according to key operation, or arbitrary operation modes such as hitting, correcting, and totaling, and the "case open" position 4c.
When it is switched to, the case of the time recorder T can be opened freely.

The key switch 1 is composed of an outer cylinder body 3 fixed to the upper surface of the time recorder T and an inner cylinder body 2 rotatably fitted in the outer cylinder body 3.
As shown in FIGS. 2 to 4, a keyhole 2a is vertically provided, and two upper and lower pinholes 2b and 2c are formed in the upper and lower portions of the peripheral surface thereof toward the center. These upper and lower pin holes 2b,
The inner end of 2c communicates with the inside of the keyhole 2a, and
Slide pins 5 and 6 are fitted into the respective pin holes 2b and 2c.

Further, on the inner peripheral surface of the outer cylindrical body 3 into which the inner cylindrical body 2 is fitted,
Upper and lower fitting holes 3a, 3b communicating with the above-mentioned pin holes 2b, 2c are bored, and inside these fitting holes 3a and 3b, a spring 7,
10 and the lock pins 6 and 9 which are pushed by these springs 7 and 10 and whose tip ends are constantly projected into the pin holes 2b and 2c, respectively, and the slide pins 5 and 8 are These are pushed by the lock pins 6 and 9 and are always pushed into the depths of the pin holes 2b and 2c as shown in FIG.

In FIG. 3, reference numerals 2b1 and 2c1 are provided on the outer peripheral surface of the inner cylindrical body 2 having the pin holes 2b and 2c, respectively, and are connected to the inlets of the pin holes 2b and 2c so as to face in different circumferential directions. In the illustrated case, one relief groove 2b that is continuous with the upper pin hole 2b
1 is formed in the clockwise direction as shown, and the lower pin hole 2
The other relief groove 2c1 continuous with c is formed in the counterclockwise direction as shown. The groove shape of these two relief grooves 2ba and 2c1 is the same as the lock pin protruding into the above pin holes 2b and 2c.
It has a concave cross-section that allows it to disengage from the 6 and 9.

In FIG. 4, reference numeral 12 is an operating piece fixed to the bottom surface of the inner cylindrical body 2 by means of a screw 11, and when the inner cylindrical body 2 is rotated clockwise in the drawing to be aligned with the "operation" position 4b. When this operating piece 12 closes an operation switch (not shown) to enable each operation mode, and when it is reversed in the counterclockwise direction and is aligned with the "case open" position 4c. In the same way, the operating piece 12 is configured to operate the case opening lever or the like (not shown) of the time recorder T to allow the case to be opened, but the detailed description of the structure is omitted. .

FIG. 5 shows a key for rotating the inner cylinder 2 by inserting it into the keyhole 2a of the inner cylinder 2, in which 13 is a case opening key for left-hand rotation and 14 is a key. An operation mode switching key for right rotation only, 15 is a master key for rotating left and right, and the key 13 for opening the case has a key mountain 13a formed in the upper step portion, but the lower step has a mountain portion 13b. Made of In addition, the key 14 for operating mode switching is
In a, the lower part is formed as a key mountain 14b, and further, the master key 15 has key mountains 15a, 15b formed on both upper and lower steps respectively, and each of these key mountains 13a, 14b, 15a, 15b is a key. At the time of insertion, push out the upper and lower slide pins 5 or 8 to the outside to push the upper and lower lock pins 6 and 9 against the elastic force of the springs 7 and 10 in the respective fitting holes 3a and 3b of the outer cylinder body 3. It is designed to be pushed back and unlocked. The keys 13, 14, 15 shown in FIG.
Is reduced to approximately half the size of other locking devices for convenience of drawing.

Next, FIGS. 6A and 6B show the state of the key switch 1 when the key 13 for opening the case configured as described above is inserted into the key hole 2a of the inner cylindrical body 2, and FIG. FIG. 6 is a cross-sectional view taken along line B-B and line B-B. When the case opening key 13 is inserted, the upper key crest 13a pushes the upper slide pin 5 as shown in FIG. 6A. Unlock the lock pin 6. On the other hand, the lower lock pin 9 maintains the locked state as shown in FIG. 6B, but since the escape groove 2c1 substantially unlocks the inner cylinder 2, the inner cylinder 2 is pressed by the key 13 in the drawing. The case of the time recorder T can be opened by rotating only in the counterclockwise direction (left direction).

On the other hand, FIGS. 7A and 7B show a state in which the above-mentioned operation mode switching key 14 is inserted into the keyhole 2a, cut along the line AA and the line BB in FIG. In the sectional view, when the operation mode switching key 14 is inserted, the upper lock pin 6 maintains the locked state as shown in FIG. 7A, but the escape groove 2b1 substantially locks the lock pin 6. The inner cylinder body 2 can be rotated right by removing it. On the other hand, the lower lock pin 9
Is pushed by the key crest 14b of the key 14 and retracts into the fitting hole 3b as shown in FIG. 7B. Therefore, the inner cylinder 2 is rotated only by the key 14 in the clockwise direction (right direction) in the drawing, The mode of the time recorder T can be switched to the operation mode.

Further, when the above-mentioned master key 15 is inserted into the keyhole 2a, the upper and lower key ridges 15a and 15b disengage the upper and lower slide pins 6 and 9, so that the inner cylindrical body 2 can be moved in either forward or reverse directions. It is possible to freely rotate to realize both the above-mentioned case opening and switching operation to the operation mode.

〔effect〕

The time recorder key switch device according to the present invention is as described above, and the case opening key can rotate the inner cylinder only to the left and cannot rotate right, and the operation mode switching key is Since the structure is such that the inner cylinder can be rotated only to the right and not to the left, when the operation of the key switch of the time recorder is outsourced to a person other than the administrator, the operation of this key switch is passed. It is possible to prevent rotation in a direction other than the rotation direction by the mode switching key.Therefore, open the case and operate the internal mechanism illegally even if you request the change of the operation mode, or on the contrary, open the case. It is possible to prevent unauthorized use and operation of the key, which said that the operation mode was changed illegally even though an internal inspection was requested, and the administrator can use the master key at any time. The inner cylinder can be freely rotated in either the left or right direction to provide the convenience of being able to quickly perform the required operation.Even in the case of existing time recorders that are already in use, the entire key switch can be used. Combined with the fact that it can be easily changed by simply forming an escape groove in the inner cylinder without replacing it, it is suitable for use in a computerized time recorder as shown in the drawing. is there.

[Brief description of drawings]

FIG. 1 is an external view of a time recorder equipped with a key switch according to the present invention, FIG. 2 is a plan view of the present invention, FIG. 3 is a perspective view of an inner cylinder, and FIG. 4 is a front sectional view of the present invention. Fig. 5 is a front view showing each of the keys used in the present invention in a contracted form, and Figs. 6A and 6B show the main state of the present invention when the counterclockwise rotation key is inserted. 4 is a cross-sectional view taken along the line AA and the line BB, and FIGS. 7A and 7B are the same as the line AA of FIG. 4 when the right rotation key is inserted. It is each sectional view of a BB line. T is a time recorder, 1 is a key switch, 2 is an inner cylinder,
2a is a keyhole, 2b and 2c are upper and lower pin holes, 3 is an outer cylinder, and 3a and 3b
Are upper and lower fitting holes, 5 and 8 are slide pins, 6 and 9 are lock pins, 7 and 10 are springs, 13 is a case opening key,
14 is an operation mode switching key, 15 is a master key, 13a, 14
b, 15a and 15b are key mountains.

Claims (2)

[Scope of utility model registration request] 1. A slide pin in which a key crest is fitted in a pin hole of an inner cylinder when a mode switching key is inserted into a key hole of an inner cylinder fitted in an outer cylinder attached to a time recorder. To the outside, push the lock pin, which is elastically ejected by the spring from the fitting hole of the outer cylinder body and protrudes into the pin hole, back to the fitting hole to unlock the inner cylinder body. Centering on the position of the normal mode of, the direction of the operation mode switching position that can switch the mode of the time recorder to the operation mode and the direction of the case opening position where the case of the time recorder can be opened A key switch device for a time recorder configured to be freely rotated by means of a pin hole into which the slide pin and the lock pin are inserted and an insertion hole, respectively, on the peripheral surface of the inner cylinder body and the outer cylinder body. 2 upper and lower set,
In addition, on the peripheral surface of the inner cylindrical body, with a recessed groove for releasing the engagement of the lock pin protruding in each of the pin holes in the circumferential direction different from each other from the inlets of the upper and lower pin holes, For the mode switching key configured to be freely inserted into the key hole of the inner cylinder, the operation mode switching is provided with a key mountain that pushes only one of the upper and lower slide pins outward. And a key for opening the case provided with a key ridge that pushes only the other slide pin outward, a key switch device for a time recorder. 2. The operation mode switching key and the case opening key provided with the operation mode switching key and the case opening key, and the key ridges for pushing the upper and lower slide pins together outward. The key switch device for a time recorder according to claim 1, wherein the key switch device comprises a master key.