JPH0626283U - Electronic device expansion board housing - Google Patents

Abstract

(57) [Summary] [Purpose] The extension board is inserted into the extension board housing from above, and is guided and supported between the upper guide member and the lower guide member. [Structure] Upper side first and second pins 13 and 14 and lower side first and second pins 15 and 16 are provided on each of a pair of fixing members 3 and 4.
And project. These upper first and second pins 13, 1
4 and the lower first and second pins 15 and 16 are vertically separated from each other by a distance slightly larger than the thickness of the additional board. The lower first pin 15 has a projecting portion 15a that projects more toward the other end sides 3b, 4b of the fixing members 3, 4 than the upper first pin 13. The lower second pin 16 is displaced from the upper second pin 14 on one end side 3a, 4a of the fixing member 3, 4. The extension board is obliquely inserted from above the upper first and second pins 13 and 14 into the gap between the upper second pin 14 and the lower second pin 16 and then leveled to the lower second pin 16. And the protruding portion 15a of the lower first pin 15 are placed.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an additional board housing for an electronic device, and more particularly to an additional board housing for housing an additional board for a key telephone main unit.

[0002]

[Prior art]

 The key telephone main unit has an additional board accommodating housing, and a board selected from a large number of additional boards having a variety of different functions is attached to the additional board accommodating housing. FIG. 6 and FIG. 7 show an additional board accommodating housing of a conventional key telephone main unit. The housing is composed of a base 1 and a cover 2, and a bottom surface of the base 1 has a pair of fixing members 3, 4 are provided so as to face each other. A pair of upper guide members 6 and 7 and a pair of lower guide members 8 and 9 that project and support the additional substrate 5 from above and below are projectingly provided on the respective fixing members 3 and 4. These upper and lower guide members 6, 7, 8, 9 are composed of ribs extending from one end side 3a, 4a of each fixing member 3, 4 to the other end side 3b, 4b. A wiring board 10 is projectingly provided on the base 1 on one end side 3a, 4a of each of the fixing members 3, 4, and a straight type connector 11 is installed on the wiring board 10. The connector 11 is shown in FIG. The right angle type connector 12 of the extension board 5 shown in the figure is connected. The additional board 5 is attached to this housing as follows. That is, the extension board 5 is inserted between the pair of upper guide members 6 and 7 and the pair of lower guide members 8 and 9 from the side surface opening of the base 1 as shown in FIGS. Guided by, the connector 12 is coupled to the connector 11 of the wiring board 10 as shown in FIG.

[0003]

[Problems to be solved by the device]

 However, in the above-mentioned conventional additional board accommodating housing, since the additional board 5 is inserted from the side opening of the housing, the total length L of the additional board 5 is in front of the side opening of the housing as shown in FIG. The above-mentioned space is required, and the gap between the upper guide members 6 and 7 and the lower guide members 8 and 9 is difficult to see, and there is a problem that it takes time to insert the additional board 5. In particular, the need for this space L has been a serious problem that goes against saving space because the space L must be provided on this wall when the additional board housing is used as a wall-mounted type. Therefore, an object of the present invention is to add an additional board to an additional board accommodating housing without requiring a particularly large space and to attach the expansion board very easily. To provide.

[0004]

[Means for Solving the Problems]

 In order to achieve this object, the present invention provides a pair of fixing members protruding from the base so as to face each other with a predetermined distance therebetween, and the pair of fixing members so that the height from the base is substantially the same. The pair of upper guide members protruding from the fixing member and the pair of fixing members protruding from the pair of fixing members so as to be positioned below the upper guide member by an interval larger than the board thickness of the extension board. It has a pair of lower guide members that guide and support the board while sandwiching the board between the upper guide member and a connector that is connected to the connector of the extension board supported by the pair of lower guide members. In the additional board accommodating housing for an electronic device, comprising: the wiring board protruding from the base so as to extend between the pair of fixing members on one end side of each of the pair of fixing members. Each of the pair of upper guide members is composed of an upper first pin located on one end side of the fixing member and an upper second pin spaced from the upper first pin and located on the other end side of the fixing member. Each of the lower guide members is composed of a lower first pin located on the one end side of the fixing member and a lower second pin spaced from the lower first pin on the other end side of the fixing member. At least a part of the lower first pin projects toward the other end side of the fixing member more than the upper first pin, and the position of the lower second pin is relative to the upper second pin of the fixing member. The feature is that it is shifted to one end.

The additional board accommodating housing of the electronic device having this configuration is provided in a pair below the pair of lower guide members so as to project from the pair of fixing members, respectively, and to support the additional board by sandwiching the additional board. Further upper guide member and another pair of lower guide members, each of the other pair of upper guide members being an upper first pin located at one end side of the fixing member and the upper first pin. And an upper second pin located on the other end side of the fixing member, and each of the other pair of lower guide members extends from one end side to the other end side of the fixing member. It is desirable that the end portion of the rib on the other end side of the fixing member is located closer to one end side of the fixing member than the end portion of the upper second pin on the other end side of the fixing member.

[0006]

[Action]

 The extension board is tilted with one end raised and the other end lowered, and the other end is inserted into the gap between the upper second pin and the lower second pin from above the upper first and second pins, and the lower first pin is inserted. Placed on pin 2. After that, one end of the extension board is lowered so that the extension board becomes horizontal, and this one end is placed on the protruding portion of the lower first pin protruding toward the other end of the fixing member. In this way, one end and the other end of the extension board are placed on the protruding portion of the lower first pin and the lower second pin, respectively, and then the extension board is moved to the one end side to connect the connector of the extension board. Connect to the board connector. Since the extension board passes through the space between the upper first pin and the upper second pin from above the upper first and second pins and is placed on the lower first and second pins, it is mounted on the side of the housing. No additional board insertion space is required. Further, the insertion of the additional board into the gap between the upper second pin and the lower second pin is performed from above the housing where the insertion position is easy to see, which is extremely easy.

[0007]

【Example】

 An embodiment of an additional board housing for an electronic device according to the present invention will be described below with reference to FIGS. 1 to 5, in which the same parts as those in FIGS. 1 and 2, the housing is composed of a base 1 and a cover 2, and a pair of fixing members 3 and 4 are provided on the bottom surface of the base 1 so as to project. These fixing members 3 and 4 are arranged to face each other so as to be separated from each other by a distance slightly larger than the size of the extension board 5. The fixing member 3 is provided with an upper first pin 13 and an upper second pin 14 that form an upper guide member on the upper stage, respectively. The upper first pin 13 and the upper second pin 14 are located at the same height from the bottom surface of the base 1 and are separated from each other by a sufficient distance, and the upper first pin 13 is located on the one end side 3a of the fixing member 3. However, the upper second pin 14 is located on the other end side 3b of the fixing member 3.

The fixing member 3 is also provided with a lower first pin 15 and a lower second pin 16 which form a lower guide member of the upper stage, respectively. The lower first pin 15 and the lower second pin 16 are located below the upper first pin 13 and the upper second pin 14 by a distance slightly larger than the thickness of the extension board 5, and are sufficiently close to each other. The lower first pin 15 is located on one end side 3a of the fixing member 3 and the lower second pin 16 is located on the other end side 3b of the fixing member 3. The lower first pin 15 is longer than the upper first pin 13 and protrudes from the upper first pin 13 to the other end side 3 b of the fixing member 3 by a predetermined amount D. The lower second pin 16 has the same length as the upper second pin 14, and is displaced from the upper second pin 14 by a predetermined amount d to the one end side 3a of the fixing member 3.

Further, the fixing member 3 has an upper side first pin 17 and an upper side second pin 18 constituting a lower stage upper guide member at a position below the lower side first pin 15 and the lower side second pin 16. Each is projected. The upper first pin 17 and the upper second pin 18 are at the same height and are sufficiently separated from each other. The fixing member 3 is provided with a rib 19 that constitutes a lower guide member of the lower stage. The rib 19 is slightly smaller than the plate thickness of the extension board 5 from the upper first pin 17 and the upper second pin 18. At a position below a large distance, the fixing member 3 extends from one end side 3a to the other end side 3b, and its tip 19a is similar to the lower second pin 16 in the upper second pin 18. It is located at substantially the same position as the one end 18a or more on the other end side 3a of the fixing member 3. Also in the fixing member 4, the upper first and second pins 13 and 14, the lower first and second pins 15 and 16, the upper first and second pins 17 and 18, and the rib 19 having the same configuration, respectively, Similarly, the first and second pins 13 and 14, the lower first and second pins 15 and 16, the upper first and second pins 17 and 18, and the rib 19 are projectingly provided.

A wiring board 10 is provided on the bottom surface of the base 1 so as to project from one end side 3 a, 4 a of each fixing member 3, 4, and the wiring board 10 extends between both fixing members 3, 4. . A straight type connector 11 is installed on the wiring board 10, and a right angle type connector 12 (FIG. 3) attached to one end 5a of the extension board 5 is coupled to the connector 11.

Next, the operation of this embodiment will be described. To mount the extension board 5 on the housing, first, the cover 2 is removed, and the extension board 5 is held above the housing as shown in FIG. The extension board 5 is moved in the direction of arrow A with its one end 5a held up and the other end 5b lowered, and the extension board other end 5b is moved to the space between the upper first and second pins 13 and 14 and the lower side. The space between the first and second pins 15 and 16 and the space between the upper first and second pins 17 and 18 are sequentially passed, and inserted into the gap between the upper second pin 18 and the tip 19a of the rib 19. To do. As a result, the other end 5b of the extension board 5 is placed on the tip portion 19a of the rib 19.

Next, as shown in FIG. 4, one end 5 a of the extension board 5 is lowered and the extension board 5 is rotated as indicated by a dotted arrow B to mount the extension board end 5 a on the rib 19. After this, the extension board 5 moves horizontally in the direction of arrow C to couple the connector 12 to the connector 11 of the wiring board 10. In this way, the extension board 5 is attached to the housing. Thereafter, another extension board 5 is attached between the upper first and second pins 13 and 14 and the lower first and second pins 15 and 16 by the same method as described above, as shown in FIG. . In this case, one end 5a of the extension board 5 rotated in the direction of arrow B is placed on the protrusion 15a of the lower first pin 15. The upper second pin 14, the lower second pin 16, the upper second pin 18, and the rib tip 19a are chamfered as shown in FIG. 3 to make it easier to insert the extension board 5. Has been done.

In the above embodiment, the lower first pin 15 is placed on the upper side so that the one end 5a of the extension board 5 rotated in the direction of the arrow B is placed on the projecting portion 15a of the lower first pin 15. It was set longer than the first pin 13. However, the present invention is not limited to this, and the length of the lower first pin 15 is made substantially equal to that of the upper first pin 13 so that the entire lower first pin 15 is fixed to the upper first pin 13 by the fixing member 3. You may comprise the protrusion part of a lower 1st pin by shifting to the other end side 3b.

[0014]

[Effect of device]

 As is apparent from the above description, according to the present invention, the extension board utilizes the space between the upper first pin and the upper second pin from above the upper first and second pins to the lower first and second pins. Since it can be mounted on two pins, it is possible to eliminate the space for inserting an additional board on the side of the housing. Furthermore, since the additional board is inserted from above the housing, the gap between the upper second pin and the lower second pin can be easily seen, and the additional board can be easily inserted into this gap.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of an additional board housing of an electronic device according to the present invention.

FIG. 2 is a perspective view showing a state in which the cover of the above embodiment is removed.

FIG. 3 is a cross-sectional view taken along the line 3A-3A in FIG. 2 for explaining a method of attaching the extension board to the housing of the above embodiment.

FIG. 4 is a cross-sectional view similar to FIG. 3 for explaining a method of attaching an extension board to the housing of the above embodiment.

FIG. 5 is a sectional view similar to FIG. 3 for explaining a method of attaching an extension board to the housing of the above embodiment.

FIG. 6 is a perspective view showing an example of a conventional additional board housing of an electronic device.

FIG. 7 is a perspective view showing a state in which the cover of the additional board housing of the conventional electronic device is removed.

FIG. 8A-8 of FIG. 7 for explaining a method of mounting the additional board in the conventional additional board housing casing of the electronic device.
Sectional drawing of the 8A line arrow.

FIG. 9 is a cross-sectional view similar to FIG. 8 for explaining a state in which an additional board is inserted into the additional board housing casing of the conventional electronic device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 base 3 fixing member 3a one end side of fixing member 3b other end side of fixing member 4 fixing member 4a one end side of fixing member 4b other end side of fixing member 10 wiring board 11 wiring board connector 12 extension board connector 13 upper side first 1 pin 14 upper second pin 15 lower first pin 15a lower first pin protrusion 16 lower second pin

Claims (2)

[Scope of utility model registration request] 1. A pair of fixing members projecting from a base so as to face each other at a predetermined distance from each other, and a pair of fixing members projecting from the pair of fixing members so that their heights from the base are substantially the same. And a pair of upper guide members that are provided so as to protrude from the pair of fixing members so as to be located below the upper guide member by a distance larger than the plate thickness of the additional board.
It has a pair of lower guide members for guiding and supporting the additional board sandwiched between the upper guide member and a connector connected to the connector of the additional board supported by the pair of lower guide members. In the additional board accommodating housing of the electronic device, the wiring board protruding from the base so as to extend between the pair of fixing members on one end side of each of the pair of fixing members. Each of the pair of upper guide members includes an upper first pin located on one end side of the fixing member and an upper second pin spaced from the upper first pin on the other end side of the fixing member. Each of the lower guide members is composed of a lower first pin located on the one end side of the fixing member and a lower second pin spaced from the lower first pin on the other end side of the fixing member, the above At least a part of the side first pin projects to the other end side of the fixing member more than the upper first pin, and the position of the lower second pin shifts to one end side of the fixing member with respect to the upper second pin. An additional board accommodating housing for electronic equipment. 2. A pair of lower guides, which are provided below the pair of lower guide members and project from the pair of fixing members, respectively, for guiding and supporting the additional board, and a pair of lower guides. Each of the other pair of upper guide members is an upper first pin located on one end side of the fixing member and an upper side spaced apart from the upper first pin on the other end side of the fixing member. A second pin, and each of the other pair of lower guide members is a rib extending from one end side to the other end side of the fixing member, and an end portion of the rib on the other end side of the fixing member. The additional board accommodating housing for an electronic device according to claim 1, wherein is located closer to the one end of the fixing member than the end of the upper second pin on the other end of the fixing member.