JPH0553285U - Communication device additional unit connection structure - Google Patents

Abstract

(57) [Summary] (Correction) [Purpose] Eliminates connection-dedicated members and reduces member costs.
The objective is to reduce the assembly time and man-hours. [Structure] An opening hole 23 for connecting a connector 26 is provided on a side surface of a housing of a device body 21, and an opening hole 29 facing the opening hole 23 is provided on a side surface of a housing of an additional unit 27 to be connected. The hole 29 has an opening hole 23 on the body 21 side.
The device main body 21 and the housing 28 of the additional unit 27 have removable top lids 34 and 35, respectively, and the opening hole 23 of the device main body 21 is provided.
Protrusions 36 and 37 facing each other are provided at the upper end of the side wall and the upper end of the side wall of the opening hole 29 of the additional unit 27, respectively, and fixed to the upper lid 35 of the additional unit 27 so as to be fitted into the pair of protrusions 36, 37 when the additional unit 27 is mounted. A frame 38 is provided.

Description

[Detailed description of the device]

[0001]

[Industrial application]

 The present invention relates to an additional unit connection structure for a communication device that connects a housing of the additional unit to the device body and electrically connects the device body and a printed wiring board incorporated in the adding unit.

[0002]

[Prior Art]

 FIG. 5 is a side sectional view showing a conventional example of this type of additional unit connection structure, and FIG. 6 is a perspective view of the same. In the figure, 1 is a device body, 2 is a housing of the device body 1, and 3 is an opening hole provided in the housing 2. Reference numeral 4 is a printed wiring board, and 5 is a connector mounted on the printed wiring board 4.

Reference numeral 6 is an additional unit connected to the device body 1, 7 is a housing of the additional unit 6, and 8 is an opening hole provided in the housing 7. Reference numeral 9 is a printed wiring board, and 10 is a connector connected to the printed wiring board 9 via a cable 11. Reference numeral 12 is a connecting member, and 13 is a screw. With the above configuration, the device main body 1 and the additional unit 6 connect the cable 11 provided in the additional unit 6 to the connector 5 of the device main body 1 through the opening holes 8 and 3 and connect them to the respective housings 1 and 6. The member 12 is fixed with the screw 13.

[0004]

[Problems to be solved by the device]

 However, according to the conventional technology with the above-mentioned configuration, there is a problem that the cost for the member becomes large because a connecting member and a member for exclusive use of connection such as a screw are required. In addition, the connecting members must be screwed, which complicates the work at the time of connection, resulting in a problem that the assembly required time and man-hours are large.

Further, due to the work of fitting the cable with the connector and the extra length treatment of the cable, the work at the time of connection becomes more complicated, which causes a problem of further increasing the assembly required time and man-hours. Furthermore, the extra length of the cable with connector has been an obstacle to high-density mounting. In view of the above problems, the present invention has a configuration in which the device body and the housings of the additional unit are fitted and fixed with one touch, eliminating the connection-dedicated member, reducing the member cost, assembling time and man-hours. The purpose is to realize the reduction of

Furthermore, the present invention obtains a configuration in which the device body and the additional unit can be electrically connected with one touch, eliminates the connection with a cable with a connector, reduces assembly time and man-hours, and realizes high-density mounting. Aim to achieve.

[0007]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the present invention is designed so that the device body and the additional unit are connected and held at the same time when the housing is brought into close contact, and the device body and the additional unit are fixed in this close state at the same time when the upper lid of the additional unit is fixed. To do. In the additional unit connection structure of the communication device that connects the case of the additional unit to the device body and further electrically connects the device body and the printed wiring board built in the additional unit, An opening hole for connecting a connector is provided, an opening hole facing the opening hole is provided on the side surface of the housing of the additional unit, and a guide rib for engaging the opening hole on the main body side is provided in the opening hole on the additional unit side. A fitting claw is provided, and the device body and the case of the additional unit each have a removable top lid, and projections facing each other are provided at the upper end of the side wall of the opening hole of the device body and the upper end of the side wall of the opening hole of the additional unit. The upper cover of the additional unit is provided with a fixing frame which is fitted into the pair of protrusions when the additional unit is attached.

Further, the present invention enables electrical connection between the device main body and the additional unit at the same time when the casings are arranged. That is, according to the present invention, the printed wiring board end portion of the additional unit is projected toward the opening hole side, the connector is formed protruding on the printed wiring board, and the protruding position of the connector is set in the device body opening hole when the housing is connected. It is characterized in that it is set in a position where it sneaks in and fits directly into the connector of the device body.

[0009]

[Action]

 With the above configuration, according to the present invention, when the device main unit and the additional unit are brought into close contact with each other by making the opening hole on the side surface of the housing of the device main body face the opening hole on the side surface of the additional unit, the opening hole on the side of the additional unit Since the provided guide rib and the fitting claw engage with the opening hole on the main body side, it is possible to maintain the connection state between the device main body and the additional unit. At this time, the upper end of the side wall of the opening hole of the main body of the device and the protrusion on the upper end of the side wall of the opening hole of the additional unit face each other.

Then, when the additional unit is covered with the upper lid, the fixing frame of the upper lid is fitted into the pair of opposed projections, so that the connection state between the device body and the additional unit can be tightly fixed. Further, since the equipment body and the additional unit can be closely fixed as described above, the end of the printed wiring board of the addition unit is projected toward the opening hole side, and the connector is projected and formed on the printed wiring board. If the protruding position of the connector is set to the position where it will be inserted into the device body opening hole when connecting to the housing and directly fit into the connector of the device body, the device body and the additional unit will be in close contact and the connectors will fit together. The electrical connection is made accordingly.

[0011]

【Example】

 Embodiments will be described below with reference to the drawings. FIG. 1 is a side sectional view showing an embodiment of the present invention, FIG. 2 is a perspective view of a main part showing a configuration of a device body in the same embodiment, and FIG. 3 is a perspective view of a main part showing a configuration of an additional unit in the embodiment. FIG. 4 is a perspective view of a main part showing the configuration of the upper lid of the additional unit in the embodiment.

In the figure, 21 is a device body, 22 is a housing of the device body 21, 23 is an opening hole for connecting a connector provided on a side surface of the housing 22, 24 is a claw engagement provided in the opening hole 23. It's a hole. Reference numeral 25 is a printed wiring board, and 26 is a connector mounted on the printed wiring board 25. Reference numeral 27 is an additional unit connected to the device main body 21, 28 is a housing of the additional unit 27, and 29 is an opening for connector connection provided on a side surface of the housing 28 so as to face the opening. The printed wiring board 30 of the additional unit 27 has an end protruding toward the opening, and a connector 31 is formed on the printed wiring board 30. The protruding position of the connector 31 is set to a position where the connector 31 goes into the opening hole 23 of the device body 21 and directly fits into the connector 26 of the device body 21 when the housing is connected.

Reference numeral 32 denotes a guide rib provided in the opening hole 29, which engages with the opening hole 23 on the main body side. Similarly, 33 is a fitting claw provided in the opening hole 29, and is engaged with the claw engaging hole 24 of the opening hole 23 on the main body side. Reference numeral 34 is an upper lid of the housing 22 of the device body 21, and 35 is an upper lid of the housing 28 of the additional unit 27.

Reference numeral 36 is a protrusion provided on the upper end of the side wall of the opening hole of the device body 21, and 37 is a protrusion provided on the upper end of the side wall of the opening hole of the additional unit 27. The protrusions 36 and 37 face each other. Reference numeral 38 denotes a fixed frame provided on the upper lid 35 of the additional unit 27, and the fixed frame 38 is fitted into the pair of protrusions 36, 37 when the upper lid 35 is mounted on the additional unit 27.

The operation of this embodiment having the above configuration will be described below. First, the guide rib 32 of the additional unit 27 is aligned with the opening hole 23 of the device body 21, and is pushed until the side wall 22a of the device body 21 and the side wall 28a of the additional unit 27 come into contact with each other. The connector 26 of the device body 21 is fitted, and the fitting claw 33 provided on the additional unit 27 is fitted in the claw engaging hole 24 provided on the device body 21, so that the additional unit 27 is attached to the device body 21. The connection is maintained.

At this time, the upper end of the side wall of the opening hole of the device main body 21 and the projections 36 and 37 at the upper end of the side wall of the opening hole of the additional unit 27 face each other. Next, the upper lid 35 of the additional unit 27 is fixed to the housing 28 of the additional unit 27. At this time, the protrusion 36 of the device main body 21 and the protrusion 36 of the additional unit 27 are fixed to the upper lid 35 of the adding unit 27. The side wall 22a of the device main body 21 and the side wall 28a of the additional unit 27 are tightly fixed to each other by being fitted into the frame 38 and then bound.

After mounting the upper lid 35 of the additional unit 27 described above, the upper lid 34 of the device body 21 is mounted and fixed by one-touch.

[0018]

[Effect of the device]

 As described in detail above, according to the present invention, an additional unit connection structure for a communication device is provided in which the housing of the additional unit is connected to the device body and the device body and the printed wiring board incorporated in the additional unit are electrically connected. In the housing side of the device body, an opening hole for connector connection is provided in the housing side surface of the additional unit, an opening hole facing the opening hole is provided in the housing side surface of the additional unit, and the main body side is provided in the opening hole on the side of the additional unit. Provided with a guide rib and a fitting claw that engages with the opening hole of the device body, the device body and the housing of the additional unit each have a removable top lid, and the upper end of the opening hole side wall of the device body and the upper end of the opening hole side wall of the additional unit Since the projections facing each other are provided, and the fixing frame that fits into the pair of projections when mounted on the additional unit is attached to the upper lid of the additional unit, the case is closely attached and the device main body is simultaneously attached. The additional unit can hold the connection, and at the same time as fixing the upper cover of the additional unit, the device body and the additional unit can be fixed in this close contact state.

As a result, the device main body and the housings of the additional units can be fitted and fixed to each other with one touch, and the exclusive member for connection is eliminated, and the member cost is reduced, and the assembly time and man-hours are reduced. There is an effect. With the above configuration, the device body and the additional unit can be tightly fixed, so the error in the distance during connection is reduced.Furthermore, the printed wiring board end of the additional unit is projected toward the opening hole side and placed on this printed wiring board. When the connector is projectingly formed, and the projecting position of the connector is set to the position where the connector is inserted into the device body opening hole and directly fits into the device body connector when the housing is connected, the housing is lined up at the same time as the device body. Allows for electrical connection between additional units.

As a result, the electrical connection between the device main body and the additional unit can be performed with one touch, the connection by the cable with the connector can be eliminated, the assembly required time and man-hours can be reduced, and high-density mounting can be achieved. is there.

[Brief description of drawings]

FIG. 1 is a side sectional view showing an embodiment of the present invention.

FIG. 2 is a perspective view of a main part showing a configuration of a device body in the present embodiment.

FIG. 3 is a perspective view of a main part showing a configuration of an additional unit in the present embodiment.

FIG. 4 is a perspective view of an essential part showing the configuration of the upper lid of the additional unit in the present embodiment.

FIG. 5 is a side sectional view of a conventional example.

FIG. 6 is an external perspective view of a conventional example.

[Explanation of symbols]

 21 Device Main Body 22 Housing 23 Opening Hole 24 Claw Locking Hole 25 Printed Wiring Board 26 Connector 27 Additional Unit 28 Housing 29 Opening Hole 30 Printed Wiring Board 31 Connector 32 Guide Rib 33 Fitting Claw 34, 35 Top Lid 36, 37 Projection 38 Fixed frame

Claims (2)

[Scope of utility model registration request] 1. An additional unit connection structure of a communication device, wherein a housing of an additional unit is connected to a device body, and a printed wiring board incorporated in the device main body is electrically connected to the device body. An opening hole for connecting a connector is provided on a side surface of the body, an opening hole facing the opening hole is provided on a side surface of the housing of the additional unit, and a guide rib that engages with the opening hole on the main body side is provided on the opening hole on the additional unit side. The device body and the case of the additional unit each have a removable upper lid, and the projections facing each other are provided at the upper end of the side wall of the opening hole of the device body and the upper end of the side wall of the opening hole of the additional unit. An additional unit connection structure for a communication device, wherein a fixing frame that is fitted into the pair of protrusions when the additional unit is attached to the upper cover is provided. 2. An end of a printed wiring board of the additional unit is projected toward the opening hole side, a connector is formed on the printed wiring board so as to project, and the protruding position of the connector is sunk into the opening hole of the main body of the device when the housing is connected. An additional unit connection structure for communication equipment, which is set to a position where it is directly fitted to the connector of the equipment body.