JP7353160B2 - intercom equipment - Google Patents

Description

The present invention relates to an intercom device such as an intercom handset installed on the wall of an entrance and operated by a visitor to make a call.

BACKGROUND ART Conventionally, various buttons that are pressed and operated by a user are provided on the front surface of a main body case of a general intercom device. For example, in the invention described in Patent Document 1, an operation window is provided on the front surface of the main body case, and the operation part of the operation button is arranged so as to protrude forward from inside the main body case through the operation window. is installed.

Japanese Patent Application Publication No. 2005-236565

However, in recent years, for reasons such as ease of assembly, there has been a demand for buttons to be attachable from the front side of the main body case. Further, there is a need for further improvement in ease of installation, since it can be installed from the front side of the main body case.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and it is an object of the present invention to provide an intercom device in which a button can be easily attached from the front side of the main body case.

In order to achieve the above object, the present invention provides an intercom device in which a push-operable button is provided on the front of a main body case formed by assembling a front case and a rear case, and the button has a button that protrudes to the left. a first shaft portion protruding to the right, and a first insertion hole into which the first shaft portion can be inserted on the front side of the front case; A second insertion hole is formed opposite to the first insertion hole and into which the second shaft part can be inserted, and the depth of either of the two insertion holes is is deeper than the other insertion hole, and insert one corresponding shaft into one insertion hole and position the other shaft on the side of the opening position of the other insertion hole. After that, slide it to the other shaft side, insert the other shaft into the other insertion hole, and position the tip of the other shaft at the bottom of the other insertion hole. The buttons are pivoted when at least their tips are inserted into the corresponding insertion holes, and the rear case is provided with a regulating rib that protrudes forward. When the rear case is assembled, the regulating rib is located in one of the insertion holes and adjacent to the tip of the inserted shaft, and moves in the left-right direction of the button that is in a pivoting state. It is characterized by regulating the slide of.

According to the present invention, the button is provided with the first shaft portion projecting leftward and the second shaft portion projecting rightward, while the first shaft portion is provided on the front side of the front case. A first insertion hole into which the shaft part can be inserted, and a second insertion hole formed opposite to the first insertion hole into which the second shaft part can be inserted. The depth of one of the insertion holes is deeper than the depth of the other insertion hole, and one of the corresponding shaft parts is inserted into one insertion hole, and the other insertion hole is inserted. After positioning the other shaft on the side of the opening position, slide it toward the other shaft, insert the other shaft into the other insertion hole, and insert the tip of the other shaft into the other insertion hole. By positioning it at the bottom of the hole, the button is pivoted with at least the tips of both shaft portions inserted into the corresponding insertion holes. Therefore, the button can be easily attached from the front side of the main body case, and the assembly work of the intercom device can be simplified and the cost can be reduced.
In addition, the rear case is provided with a regulating rib that protrudes forward, and when the rear case is assembled to the rear side of the front case, the regulating rib is located inside one of the insertion holes and the shaft that is inserted. The button is located at a position adjacent to the tip of the button and restricts the sliding of the pivoted button in the left-right direction. Therefore, it is possible to effectively prevent the button attached to the main body case from accidentally falling off.

It is an explanatory view showing an intercom handset from the front side. FIG. 3 is a perspective explanatory view showing the front side of the front case with the call button removed. It is a perspective explanatory view showing a rear case from the front side. It is explanatory drawing which showed the call button, Comprising: (a) is a front view, (b) is a right view. It is an explanatory view showing a horizontal section of a call button part of an intercom handset from below. It is an explanatory view showing how a call button is attached to the front case.

DESCRIPTION OF THE PREFERRED EMBODIMENTS An intercom handset according to an embodiment of the present invention will be described in detail below based on the drawings.

FIG. 1 is an explanatory diagram showing the intercom handset 1 from the front side. FIG. 2 is a perspective view showing the front side of the front case 2 with the call button 5 removed. FIG. 3 is a perspective explanatory view showing the rear case 3 from the front side. FIG. 4 is an explanatory diagram showing the call button 5, in which (a) is a front view and (b) is a right side view. FIG. 5 is an explanatory diagram showing a horizontal section of the call button 5 portion of the intercom handset 1 from below. FIG. 6 is an explanatory diagram showing how the call button 5 is attached to the front case 2.

The intercom handset 1 includes a main body case composed of a front case 2 disposed on the front side and a rear case 3 assembled on the rear side of the front case 2. At the center of the front of the main body case, a speaker section 4 is provided for visitors to communicate with residents. Further, on the lower side of the speaker section 4, there are provided a call button 5 that a visitor presses to call the resident, a microphone section 6 for the visitor to talk to the resident, and the like. Such an intercom handset 1 is installed on the wall of the entrance of the dwelling unit, and when a visitor presses the call button 5, the intercom base unit (not shown) installed in the dwelling unit is activated. ) is now called.

Here, the mounting structure of the call button 5 in the intercom handset 1, which is the main part of the present invention, will be explained.
The call button 5 includes an operating section 11 that is operated by a visitor, a collar section 12 that extends upward and outward from the operating section 11 to the left and right, and a tongue-shaped connecting section 13 that extends downward from the operating section 11. It is a synthetic resin member having a connecting portion 13 and a shaft portion 14 provided at the lower end. The operation unit 11 is formed into a cover shape that bulges forward, and the front surface thereof is an operation surface 11A.The rear surface of the operation surface 11A is provided with a board (not shown) disposed inside the main body case. An operation protrusion 11B for turning the switch ON/OFF is provided to protrude rearward.

The flange 12 is formed into a thin plate whose thickness is in the front-rear direction, and a decorative panel (not shown) is attached to the front of the main body case, and the flange 12 is sandwiched between the main body case and the decorative panel from the front and back. As a result, the call button 5 is held in a tilted position, which will be described later. In addition, elastic locking pieces 15 are provided at the left and right sides of the operating portion 11 in the collar portion 12 to hold the call button 5 in the attached state to the main body case.

The connecting portion 13 extends vertically downward from the operating portion 11 and then extends in an inclined direction toward the rear, and has a shaft portion 14 integrally formed in a cylindrical shape extending in the left-right direction at its tip (lower end). It is set up as follows. Further, a positioning hole 16 for positioning the call button 5 with respect to the main body case is bored in the connecting portion 13. Note that, in the shaft portion 14, a portion of the shaft portion 14 that projects to the right from the right end of the connecting portion 13 protrudes more in the left-right direction than a portion of the shaft portion 14 that protrudes to the left from the left end of the connecting portion 13.

On the other hand, a mounting recess 21 for mounting the call button 5 is provided on the front surface of the front case 2. The mounting recess 21 has approximately the same shape as the call button 5 when viewed from the front, and is recessed backward by approximately the same depth as the thickness of the flange 12 and the connecting portion 13. , an operation window 22 for inserting the operation protrusion 11B and an installation hole 23 for screwing the main body case to an installation surface such as a wall surface are provided in a portion covered by the operation section 11. Furthermore, locking pawls 24 with which the elastic locking pieces 15 can be locked are provided on both left and right sides of the mounting recess 21 . Furthermore, a positioning protrusion 25 is provided at the lower part of the mounting recess 21, projecting forward and fitting into the positioning hole 16 when the call button 5 is mounted. In addition, a bearing portion 26 that can pivotally support the shaft portion 14 is provided at the lower end portion of the mounting recess 21 .

Insertion holes 27 and 28 into which both left and right end portions of the shaft portion 14 can be inserted are provided on both left and right sides of the bearing portion 26. The insertion hole 27 and the insertion hole 28 are opposed to each other, and both open into the mounting recess 21. In addition, the depth (left-right length) of the insertion hole 27 on the left side of the bearing part 26 is the portion of the shaft part 14 that protrudes leftward from the left end of the connecting part 13 (the first shaft part, the other shaft part). (In other words, from the opening of the insertion hole 27 on the back surface of the front case 2, the left side is approximately the same length as the portion of the shaft portion 14 that protrudes leftward from the left end of the connecting portion 13. A rib 29 protruding rearward is provided at the position shown in FIG. On the other hand, the depth (left-right length) of the insertion hole 28 on the right side of the bearing part 26 is longer than the length of the part (second shaft part, one shaft part) protruding rightward from the right end of the connecting part 13. It is deeper (that is, it protrudes rearward from the opening of the insertion hole 28 on the back surface of the front case 2 at a position farther to the right than the part of the shaft 14 that protrudes to the right from the right end of the connecting part 13. The depth of the insertion hole 27 is greater than the depth of the insertion hole 27. Further, the distance between the insertion hole 27 and the insertion hole 28 in the left-right direction is approximately the same as the length in the left-right direction from the tip of the portion of the shaft portion 14 that projects to the left to the base end of the portion that projects to the right. It becomes. Furthermore, the distance in the left-right direction from the bottom of the insertion hole 27 to the opening position of the insertion hole 28 is the distance in the left-right direction from the tip of the portion of the shaft portion 14 that projects to the left to the tip of the portion that projects to the right. It is shorter than the length.

Further, a regulating rib 31 that protrudes forward is provided at the lower front of the rear case 3 at a position on the left side of the rib 30 when assembled to the front case 2. Then, when the rear case 3 is assembled to the front case 2, the regulating rib 31 enters the insertion hole 28 (that is, is located between the opening of the insertion hole 28 and the rib 30), and the restriction rib 31 enters the insertion hole 28. The depth is made shallower. Note that 32 is an installation hole for screwing the main body case to an installation surface such as a wall surface.

When attaching the call button 5 to the main body case, first, while tilting the call button 5 with respect to the front case 2 to which the rear case 3 is not assembled, attach the shaft portion 14 of the call button 5. Insert the right part into the insertion hole 28 (Fig. 6). When inserted as it is to the vicinity of the base of the connecting portion 13, the left side portion of the shaft portion 14 enters into the mounting recess 21. Therefore, after placing the shaft portion 14 on the bearing portion 26 (to be more precise, on the front side) and positioning the left side portion of the shaft portion 14 to the right side of the insertion hole 27, the call button 5 is completely pressed. Slide it to the left and insert the left part of the shaft part 14 into the insertion hole 27, and position the tip of the left part at the bottom of the insertion hole 27. At this time, since the length relationship in the left-right direction between the shaft portion 14 and the insertion holes 27 and 28 is as described above, the right side portion of the shaft portion 14 does not slip out from the insertion hole 28. . That is, the call button 5 is in a state where it is pivotally supported on the front surface of the front case 2.

Therefore, the call button 5 is tilted toward the front side of the front case 2 about the shaft portion 14, and the call button 5 (particularly the collar portion 12 and the connecting portion 13) is housed in the mounting recess 21. Then, the positioning protrusion 25 fits into the positioning hole 16, and the call button 5 is positioned, and the elastic locking pieces 15, 15 lock with the locking claws 24, 24, so that the call button 5 is inserted into the front case. 2 is temporarily held. Then, when the rear case 3 is assembled to the rear side of the front case 2, the regulating rib 31 is inserted into the insertion hole 28 at a position adjacent to the right side of the tip of the shaft portion 14, and the call button 5 is closed. Installation to the main case is complete.

When installing the main body case to which the call button 5 is attached as described above on an installation surface, it is necessary to expose the installation hole 23. In that case, the elastic locking pieces 15, 15 and the locking claws 24, 24 are unlocked, the call button 5 is rotated about the shaft portion 14, and it is raised against the front surface of the front case 2. It is sufficient to adopt a standing posture. Then, the installation hole 23 that was covered by the operating section 11 is exposed. During this rotation, the restriction rib 31 restricts the sliding of the call button 5 in the left-right direction, so the call button 5 comes off from the main body case (the shaft portion 14 comes out of the insertion holes 27 and 28). Never. Note that after the main case is installed on the installation surface, the call button 5 may be rotated again around the shaft portion 14 to return to the tilted position substantially parallel to the front surface of the front case 2. .

According to the intercom handset 1 having the above configuration, the call button 5 is provided with the shaft portion 14 extending in the left-right direction, and the collar portion 12 and the like of the call button 5 are stored in the front side of the front case 2. Insertion holes 27 and 28 into which both left and right ends of the shaft portion 14 can be inserted are provided in the mounting recess 21, and the depth of the insertion hole 28 is made deeper than the depth of the insertion hole 27. Then, while tilting the call button 5 with respect to the front case 2, insert the right side of the shaft portion 14 of the call button 5 into the insertion hole 28 up to the vicinity of the base, and place the shaft portion 14 on the bearing portion 26. , after positioning the left side part of the shaft part 14 to the right side of the insertion hole 27, slide the call button 5 entirely to the left and insert the left part of the shaft part 14 into the insertion hole 27; By positioning the tip of the left part at the bottom of the insertion hole 27, the call button 5 is inserted into the front case 2 with the left and right ends inserted into the corresponding insertion holes 27 and 28, respectively. It is now supported. Therefore, the call button 5 can be easily attached from the front side of the main body case, and the assembly work of the intercom handset 1 can be simplified and the cost can be reduced.

Further, the rear case 3 is provided with a regulating rib 31 that protrudes forward, and when the rear case 3 is assembled to the rear side of the front case 2, the regulating rib 31 is located inside the insertion hole 28 and at the shaft portion. It is located at a position adjacent to the tip of the right side portion of 14, and restricts the sliding of the call button 5 in the pivoting state, especially the call button 5 in the upright position, in the left-right direction. Therefore, it is possible to effectively prevent a situation in which the call button 5 inadvertently falls off from the main body case when the user assumes the standing position.

Note that the intercom device according to the present invention is not limited to the aspects of the above-described embodiments, and not only the overall configuration of the intercom device but also the configuration of the button part and the waterproof configuration are consistent with the gist of the present invention. Changes may be made as necessary without departing from the above.

For example, in the above embodiment, the part of the shaft that protrudes to the left is inserted into the insertion hole on the left, and the part that projects to the right is inserted into the insertion hole on the right. Instead of providing a left shaft part that projects to the left side and a right shaft part that projects to the right side, it is also possible to separately provide a left shaft part that projects to the left side and a right shaft part that projects to the right side.The design of how the shaft parts are provided can be changed as appropriate, and depending on the configuration of the shaft part. The insertion hole may also have a pivot function.
Further, a shaft portion may be provided above the call button, and the design of the position of the shaft portion, the position of the insertion hole, etc. can be changed as appropriate.

Furthermore, the length of the shaft protruding to the left and the shaft protruding to the right, as well as the depth of the corresponding insertion hole, can be changed as appropriate. They may have the same length, or the insertion hole on the left side may be deeper than the insertion hole on the right side.
In addition, although the above embodiment describes an intercom slave unit, other intercom devices such as an intercom base unit installed in a living room may be used, and the buttons are not limited to call buttons in any way. There isn't.

1. Intercom device, 2. Front case, 3. Rear case, 5. Call button (button), 11. Operation section, 12. Flange section, 13. Connection section, 14. Shaft section. (first shaft, second shaft), 15: elastic locking piece, 16: positioning hole, 21: mounting recess, 23: installation hole, 25: positioning protrusion, 26: bearing part, 27... insertion hole (first insertion hole, other insertion hole), 28... insertion hole (second insertion hole, one insertion hole), 31... regulation rib.

Claims (1)

An intercom device having a push-operable button on the front of a main case formed by assembling a front case and a rear case,
The button is provided with a first shaft portion that projects to the left and a second shaft portion that projects to the right,
A first insertion hole into which the first shaft part can be inserted, and a first insertion hole formed opposite to the first insertion hole into which the second shaft part can be inserted, on the front side of the front case. A second insertion hole is opened,
The depth of one of the two insertion holes is deeper than the depth of the other insertion hole,
Insert one corresponding shaft into the one insertion hole, position the other shaft on the side of the opening position of the other insertion hole, and then slide it toward the other shaft, By inserting the other shaft portion into the other insertion hole and positioning the tip of the other shaft portion at the bottom of the other insertion hole, the difference is made such that at least the tips of both shaft portions correspond to each other. The button is pivoted when inserted into the insertion hole,
Furthermore, the rear case is provided with a regulating rib that protrudes forward,
As the rear case is assembled to the rear side of the front case, the regulating rib is located within the one insertion hole and adjacent to the tip of the shaft portion inserted, An intercom device characterized in that the button in a pivoted state is restricted from sliding in the left and right direction.

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