JP4694872B2 - Collective entrance machine - Google Patents

Description

  The present invention relates to a collective entrance machine equipped with a numeric keypad device.

As for collective entrances installed in front of common entrance doors, etc. in collective housing, etc., the visitor enters the visited house number, or the residence person enters the security code for unlocking the automatic unlocking device. (For example, refer to Patent Document 1).
JP 2000-269665 A

  In a collective entrance machine equipped with a conventional numeric keypad device, the numeric keypad device is assembled to the collective entrance machine main body including the key top, and the key top of the numeric keypad device is formed from a key top hole formed in the collective entrance machine cover. It is exposed to the outside and protrudes to the outside from the surface of the collective entrance cover.

  In the case of a collective entrance machine equipped with a conventional numeric keypad, when assembling the collective entrance machine cover to the collective entrance machine main body, for the key top on the collective entrance machine body side and the key top on the collective entrance machine cover side Work for alignment with the hole, specifically, work for centering each key top, that is, the clearance between the key top hole around each key top can be secured as prescribed. The positioning work is required. Therefore, there is a problem that the assembly entrance machine equipped with the conventional numeric keypad device is difficult to assemble during construction, and difficult to reassemble during maintenance after construction. .

  Further, in the collective entrance machine equipped with the conventional numeric keypad device, there is a problem that when the key top is pushed, the switch on the numeric keypad substrate may be damaged due to excessive pressing. However, if the key top is pushed too far, the key top sinks into the hole for the key top and is caught inside the hole so that the normal position cannot be restored.

  In addition, in a collective entrance machine equipped with a conventional numeric keypad device, if it is necessary to replace the key top due to breakage or the like, it is necessary to replace parts in the numeric keypad device which is a precision instrument, which is difficult. There is a problem that it is.

  Furthermore, in the collective entrance machine equipped with the conventional numeric keypad device, as described above, the key top protrudes outside from the surface of the collective entrance machine cover. This provides the advantage that the push operation becomes easy. On the other hand, if the key top is likely to be erroneously operated by mistake, and the collective entrance machine is a self-supporting type installed diagonally, the key top by the operator placing the luggage on the collective entrance machine There is a problem that an erroneous operation is likely to occur.

  In view of the above circumstances, an object of the present invention is to facilitate assembly work and facilitate construction work and maintenance work in a collective entrance machine equipped with a numeric keypad device. To do.

  Another object of the present invention is to make it easy to attach the collective entrance cover to the collective entrance main body in the collective entrance machine equipped with the numeric keypad in view of the above circumstances.

  In addition, in view of the above circumstances, an object of the present invention is to prevent the key top from being pushed too much in a collective entrance machine equipped with a numeric keypad.

  In addition, in view of the above circumstances, an object of the present invention is to make it easy to replace a key top in a numeric keypad in a collective entrance machine equipped with a numeric keypad.

  In addition, in view of the above circumstances, the present invention can prevent an erroneous operation of the key top while facilitating the pushing operation of the key top in the numeric key device in the collective entrance machine equipped with the numeric key device. The purpose is to make it possible.

  The present invention for achieving the above object will be described as follows.

The present invention includes a main body, a cover attached to the main body , a ten key device main body , a predetermined number of key tops having a pressing portion for pressing the ten key device main body on the back side, and each key top. A mounting base to be held in a predetermined arrangement, and a pusher passage through which the front end of the pusher portion passes and is fixed by being screwed to the back side of the cover, holding the mounting base from the back side. a pressing plate having a hole, provided with a set entrance each said key top, the ten-key device Rutotomoni provided separated from the main body, characterized in that attached to the back side of the cover Machine.

Further, the pressing portion has an engaging portion which protrudes toward the pushing direction side, the engagement portion is provided on its moving locus, the pressing portion for hole more is engaged with the stopper portion consisting opening edge parts, a set entrance device, characterized in that the pressing range of the pressing portion is intended to be limited.

  Further, according to the present invention, in the collective entrance machine, a pressure receiving portion that comes into contact with the back surface of the collective entrance machine cover is provided on the collective entrance machine main body side close to the numeric keypad main body when the key top is pushed. It is a collective entrance machine characterized by that.

Further, the present invention, each key top is mounted to protrude from the surface of the cover, on the surface of the cover, that the ribs located on both sides or one side of the top each key is provided It is a featured entrance hall.

Further, the present invention is characterized in that the ribs are those provided to protrude from the surface of the cover, the projecting amount is set entrance, characterized in that it is the same as the projection amount from the surface of the cover of the key top Machine.

  According to this invention, the key top of the numeric keypad device is provided separately from the numeric keypad device main body, and is attached to the back side of the collective entrance machine cover, so that the collective entrance machine cover is attached to the collective entrance machine main body. In addition, it is possible to eliminate the need for alignment work as in the above-described conventional collective entrance machine, and therefore, it is easier to attach the collective entrance machine cover to the collective entrance machine body than in the conventional collective entrance machine. As a result, assembly work can be facilitated, and construction work and maintenance work can be facilitated.

  In addition, according to the present invention, it is possible to prevent the key top from being pressed too much by providing the key top with the limiting means for limiting the pressing range.

  Further, according to the present invention, even when the key top needs to be replaced due to breakage or the like, the replacement work is easy, and the need for replacement of parts in the numeric keypad main body which is a precision instrument can be eliminated. .

  Further, according to the present invention, the key top of the numeric keypad device is provided so as to protrude from the surface of the collective entrance machine cover, and the ribs are provided on the surface of the collective entrance machine cover on either side or one side of the key top, It is possible to prevent mistakes in pressing between adjacent key tops by the ribs, and even if a load is placed on the collective entrance machine, the key tops can be prevented from being pushed by the ribs. The key top can be easily operated while the key top can be prevented from being erroneously operated.

  An embodiment of the present invention will be described with reference to FIGS. 1 is an exploded view of the cover and the main body constituting the collective entrance machine of the present invention, FIG. 2 is an exploded view of the cover and the key top part, and FIG. 3 is the key of the same. FIG. 4 is a front view of the cover in a state where the top is attached, FIG. 4 is a rear view of the cover in a state where the key top portion is attached, and FIG. 5 is a partially enlarged view of FIG. 6A and 6B are cross-sectional views taken along the line AA of FIG. 3, where FIG. 6A shows a normal state where the key top is not pushed, and FIG. 6B shows the key top. FIG. 7 is a partially enlarged view of the cover in FIG. 1.

  In FIG. 1, reference numeral 1 denotes a collective entrance machine, which includes a cover 2 and a main body 3. A numeric keypad main body 5 is assembled to the main body 3 adjacent to the speaker box 4. The numeric keypad device body 5 is formed by placing rubber buttons 5a as an example of passive parts on a substrate in a predetermined number and arrangement.

  As shown in FIGS. 2 and 3, the cover 2 is provided separately from the numeric keypad main body 5 and has a key top portion 6 attached to the back surface 2 b side of the cover 2. The key top portion 6 includes a predetermined number of key tops 6a, a mounting base 7 that holds the key tops 6a in a predetermined arrangement, and a pressing plate 8 that holds the mounting base 7 from the back side thereof. The cover 2 is provided with a key top mounting portion 2c on the back surface 2b side. The key top mounting portion 2c has a key top through-hole portion corresponding to the number, size, and arrangement of the key tops 6a. 2d is formed. The key top portion 6 is attached to the key top mounting portion 2c of the cover 2 in a state where each key top 6a protrudes outside from the surface 2a of the cover 2 through the key top through hole portion 2d. The plate 8 is fixed by being screwed to the key top mounting portion 2c of the cover 2 by screws 8c.

  As shown in FIG. 4 and FIG. 5, each key top 6a has a substantially grid-like pushing portion 6d in plan view composed of one laterally long plate 6b and two longitudinally short plates 6c on the back side. The pressing plate 8 includes pressing portion through holes 8a through which the pressing portions 6d pass when the key tops 6a are pressed, and the number, size, and size of the pressing portions 6d. It is formed corresponding to the arrangement.

  In each key top 6a, each pressing portion 6d has a pressing state as shown in detail in the sectional view showing the normal state in FIG. 6 (a) and the state in the pressing operation in FIG. 6 (b). The moving portion 6d is pushed by the pushing operation of each key top 6a, and the tip pushing portion 6e having a substantially lattice shape in a plan view passes through each pushing portion through-hole portion 8a of the holding plate 8, and the ten key device By pressing each rubber button 5a on the substrate 5b of the main body 5, the switch portion 5c of the ten key device main body 5 can be switched.

  In this way, each key top 6a is provided separately from the numeric keypad main body 5 and is attached to the back surface 2b side of the cover 2, so that when the cover 2 is attached to the main body 3, each key top 6a Since it is possible to eliminate the need for alignment work, it is possible to facilitate the work of attaching the cover 2 to the main body 3, thereby facilitating the assembly work of the collective entrance machine 1. Construction work and maintenance work of the collective entrance machine 1 can be facilitated.

  Similarly, as shown in detail in FIGS. 6 (a) and 6 (b), the key top portion 6 has a limiting means for limiting the pushing range of each pushing portion 6d of each key top 6a. That is, the engaging portion 6f provided projecting laterally with respect to the pushing direction of each pushing portion 6d, in the present embodiment, the laterally long plate 6b of the pushing portion 6d. An engaging portion 6f provided projecting in the lateral direction, and a stopper portion 8b provided on the movement trajectory of the engaging portion 6f, in the present embodiment, a pushing portion through-hole portion 8a of the pressing plate 8 A stopper portion 8b that is an opening edge of each of the opening portions, and the movement of each pushing portion 6d in the pushing direction is locked by engaging each engaging portion 6f with each stopper portion 8b. The pushing range is limited.

  In this way, by providing the key top portion 6 with a restricting means for restricting the pushing range of each key top 6a, it is possible to prevent the key top 6a from being pushed too much. It is possible to prevent the switch portion 5c from being damaged by being pushed too much, and by pushing the key tops 6a obliquely, the key tops 6a sink into the key top through holes 2d. It can be prevented that it is caught inside the through-hole portion 2d and cannot return to the normal position. Since the short plate 6c and the long plate 6b of the key top portion 6 have substantially the same size as the pushing portion through-hole portion 8a of the holding plate 8, the pushing portion 6d defines the pushing portion through-hole portion 8a. It becomes a guide when passing, and the key top 6a does not slip diagonally.

  Further, the main body 3 is in contact with the back surface 2b of the cover 2 in the vicinity of the numeric keypad main body 5, in the present embodiment, at a position adjacent to the numeric keypad main body 5 when the key tops 6a are pushed. The buffer means for receiving the pressing force applied to the cover 2 and releasing the excess pressure to the main body 3 side. In this embodiment, the buffer means is formed on the surface of the speaker box 4 and applies the pressing force applied to the cover 2. A pressure receiving portion 4a that receives pressure as a surface is provided. By providing the pressure receiving portion 4a as the buffer means in the vicinity of the numeric keypad main body 5, even when the key top portion 6 is provided on the cover 2 side, each key top 6a is operated when the key top 6a is pushed. When the cover 2 is pushed, it is possible to limit the bending of the cover 2 in the pushing direction, and it is possible to prevent the key tops 6a from being pushed too much.

  Furthermore, in the collective entrance machine 1, each key top 6a in the key top portion 6 is provided so as to protrude outward from the surface 2a of the cover 2, but as shown in detail in FIG. 2a is provided with ribs 9 located on both sides or one side in the lateral direction adjacent to the protruding portions of the key tops 6a. The protruding amount of each rib 9 from the surface 2a of the cover 2 is determined by the key tops 6a. Is the same as the amount of protrusion. Thereby, the key tops are not pressed at the same time, and each key top 6a can be surely moved individually, and a pressing error between adjacent key tops 6a can be prevented, When the collective entrance machine 1 is self-supporting, even if a load is placed on the collective entrance machine 1, the key top 6a can be prevented from being unexpectedly pushed, and each key top 6a can be prevented from being pushed. Can be guided by the ribs 9 and can be prevented from being inclined obliquely in the lateral direction.

It is an exploded view of the cover and main body which comprise the collective entrance machine of this invention. It is an exploded view of the cover and key top part in a collective entrance same as the above. It is a front view of the cover of the state in which the key top part in the collective entrance machine same as the above was attached. It is a cover rear view in the state where the key top part in the collective entrance machine same as the above was attached. FIG. 5 is a partially enlarged view of FIG. 4. (A) and (b) are both AA sectional views of FIG. 1, (a) shows a normal state in which the key top is not pushed, and (b) shows the key top being pushed. It is a figure which shows the state at the time of pushing. It is a partially expanded view of the cover in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Collective entrance machine 2 Cover 2a Front surface 2b Back surface 2c Key top mounting part 2d Key top hole part 3 Main body 4 Speaker box 4a Pressure receiving part 5 Tenkey device main body 5a Rubber button 5b Substrate 5c Switch part 6 Key top part 6a Key top 6b Lateral long plate 6c Longitudinal short plate 6d Pushing portion 6e Tip pressing portion 6f Engaging portion 7 Mounting base 8 Holding plate 8a Pushing portion through-hole portion 8b Stopper portion 8c Screw 9 Rib

Claims (4)

A main body, a cover attached to the main body , a ten key device main body , a predetermined number of key tops having a pressing portion for pressing the ten key device main body on the back side, and each key top in a predetermined arrangement A holding base that holds the mounting base from the back side thereof, and is fixed by being screwed to the back side of the cover, and has a through hole portion for a pushing portion through which the tip of the pushing portion passes. A holding plate, and
Each key top, the ten-key device Rutotomoni provided separated from the main body, set entrance device, characterized in that attached to the rear surface side of the cover. The pressing portion has an engaging portion which protrudes toward the pushing direction side,
Engaging portion, the provided on the moving track, and more are engaged with the stopper portion consisting opening edge of the pressing portion for hole portion, which pressing range of the pressing portion is restricted The collective entrance machine according to claim 1, wherein: Each key top is attached to protrude from the surface of the cover ,
On the surface of the cover, set entrance machine according to claim 1 or 2, wherein the ribs located on both sides or one side of the top each key is provided. The ribs are those provided to protrude from the surface of the cover, the projecting amount is set entrance machine according to claim 3, wherein the the same as the projection amount from the surface of the cover of the key top .

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