JP3094103U - Push button mounting structure - Google Patents

Abstract

(57) [Summary] (with correction) [PROBLEMS] To provide a push button mounting structure that connects a button circuit module and a frame without using screws, enables stable push button operation, and improves assembly workability. I do. A stop plate (400) and a plurality of first stop openings (4) are provided.
There is a first stop side plate 408 located on one side of the stop plate 400 on which the reference numeral 06 is formed, and a second stop side plate 408 located on the other side of the stop plate 400. Stop plate 400
It has flexibility. The first stop opening 406 is engaged with the latch block 104 on one side of the groove 106. The second stop side plate 408 has an upper end pressed against the lower edge of the latch block 102 on the other side of the groove 106. Both sides of the stopper plate 400 are the groove portions 1
06 are fitted into the latch blocks 102 and 104,
The stop plate 400 presses and fixes the button circuit module 30 to the side of the case 10.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

  The present invention relates to a push button mounting structure in an electronic device, and more particularly, a case of the electronic device. It is connected to the latch block of and the push button module of the electronic device is fixed in the case. The thin push button module to a stable fixed state without using screws. Regarding mounting structure.

[0002]

[Prior art]

  Recent electronic device designs focus on slimming, lightening, and increasing functionality . Electronic devices have a large number of functions in a limited space and are easy for users to operate. And are important.

[0003]   As an example, take a flat liquid crystal display device (LCD). This The rat display device has a case in the frame of the LCD panel module. . The panel module has a display area and a side frame surrounding the display area. ing. At least one between the panel module case and the side frame There is a push button module. The push button module consists of a push part, a circuit board and And a fixed part. The pushing part, circuit board and fixed part are It is fixed to the table.

[0004]

[Problems to be solved by the device]

  However, fixing the push part and the circuit board to the side frame, Outer frames, among other things, have many disadvantages.

[0005]   The space between the side frame and the outer frame is limited, Also, it is difficult to fix the circuit board to the external frame with screws. Screw tighten Is easy to bend, and if the fixing strength of the screw is different, the pressing force of the push button There may be a difference. Furthermore, screw fixing is time consuming and labor intensive.

[0006]

[Outline of the device]

  Therefore, the main purpose of the present invention is to solve the above-mentioned disadvantages and to provide a pushbutton And an electronic device using the same mounting structure.

[0007]   The push button mounting structure of the present invention has a groove formed in the case of the electronic device, The function button and the button circuit module are stacked in an interlocking relationship, and the two of the groove portions are provided. Push buttons with at least one latch block fixed on each side 1st stop side provided on one side of one stop plate having elasticity The plate has a first stop opening that fits with the one latch block, A second stop side plate provided on the other side of the second stop block is locked beyond the other latch block. It is characterized by doing so.

[0008]   With this configuration, it is possible to push only one stopper plate into the groove of the case and Since the female plate matches and engages with the latch blocks located on both sides of one groove, The circuit module of the push button of the electronic device is stably fixed in the groove of the case.

[0009]   The present invention includes at least one latch block provided on both sides of a groove and a latch block. A female plate and a first stop side plate located on one side of the stop plate having a plurality of stop openings, A second stop side plate located on the other side of the stop plate. The stop plate can be It has flexibility. The stop openings of the first stop side plates are located in the grooves on the same side. It is fitted with a chi-block. The second stop side plate is the latch block of the groove on the other side. It has an upper end that is pressed together with the lower edge. The latch block has grooves on both sides of the stop plate. The push button circuit module is pressed by the stop plate when engaged with the lock. , Safely held in the groove.

[0010]   Another object of the invention is a push button having at least one projecting member on the stop plate. It is to provide a mounting structure. This protruding member is a push button circuit module Is connected to the ground section of the electronic device to protect it from static electricity.

[0011]   For the above-mentioned features and effects of the present invention, as well as the additional purposes, refer to the accompanying drawings. It will be more readily apparent from the detailed description below.

[0012]

[Embodiment of device]

  In FIG. 1, an electronic device has a push button mounting structure of the present invention. This The electronic device has a front case 10 (the liquid crystal display device is an example of the embodiment). However, the present invention in actual use is not limited to this. Not). The front case 10 of the electronic device has a plurality of button openings 100. The function button 20 activates the selected function by pressing it. The tongues 20 are arranged in rows. The printed circuit board 30 has function buttons The switch 300 is provided on the head portion (not shown). It The printed circuit board 30 and the function button 20 are fixed to the front case 10 of the display device. There is a fixing member 40 that does. Liquid crystal having display screen 500 thereon There is also a panel module 50. The panel module 50 has a display panel located inside. A display screen 500 for displaying an image associated with a path (not shown). To start.

[0013]   Referring to FIG. 2, the front case 10 of the electronic device according to the present invention has a rear side bent. And one groove 106 is formed. This groove 106 has two sides , There are two latch blocks on this side, the first one fixed to the first side The latch block 102 and the second latch block 104 fixed to the second side are It is provided. The function button 20 is attached to the bottom of the groove 106. Has become. The printed circuit board 30 is located on the function button 20. Puri The switch 300 of the printed circuit board 30 is in contact with the pressing portion 206 of the function button 20. There is. That is, the printed circuit board 30, the function button 20, etc. are provided in the groove portion. It is accommodated so as to be sequentially stacked in 106.

[0014]   There is a fixing member 40 that is fixed to the front case 10. The fixing member 40 is a printed circuit It is located on a substrate 30 (described in detail later). The fixing member 40 is a liquid crystal panel module. And a ground piece 402 electrically connected to the ground portion 502 of the rule 50.

[0015]   In FIGS. 4 and 5, the function button 20 is the push part 2 that is pressed by the user. 00 are arranged in rows. The pressure part 206 is located at the other end of the function button. It The pushing portion 200 extends through the button opening 100 of the front case 10. . Further, the function button 20 is provided with a stopper corresponding to the protruding member located on the LCD panel. It has a recess 204.

[0016]   In FIG. 3, the fixing member 40 has one stop plate 400. On one side of 0, a first stop side plate 404 having a plurality of first stop openings 406 is formed. And a second stop side plate 408 having a plurality of second stop openings 410 is formed on the other side. ing.

[0017]   The fixing member 40 is a flexible metal plate. First stop side plate 404 The 1st stop opening 406 and the second latch block 104 located on one side of the groove portion 106. Engaged. The second stop side plate 408 is provided on the other side of the groove portion 106 so that the first latch block 1 It has an upper end 412 that presses the lower edge of 02. Two sides 4 of stop plate 400 When the 06 and 408 are engaged with the latch blocks 102 and 104, the stopper plate 400 is The button 20 and the circuit board 30 are stably pressed against the groove 106.

[0018]   In this embodiment, the height position of the first latch block 102 is set to the second latch block. Lower than Ku 104. The first stop side plate 404 is fitted with the second latch block 104. After that, the second stop side plate 408 and the first latch block 102 can be easily locked. It is. The bottom of the plate portion between the first stop side plate 404 and the second stop side plate 408 is projected. It has a member 402.

[0019]   In the present embodiment, the first stop side plate 404 and the second stop side plate 408 of the fixing member 40 are , They are extended in opposite directions, but they may be extended in the same direction.

[0020]   In order to assemble, the function buttons 20 are placed in the corresponding button openings 100 of the front case 10. And connect the recess 204 of the button 20 to the protruding member of the groove 106, and then The printed circuit boards 30 are provided so as to be stacked on one side of the pressurizing unit 206. 06 is associated with the switch 300.

[0021]   Then, the fixing member 40 is provided on the other side of the printed circuit board 30. in this case, Fit the second latch block 104 into the first stop opening 406 of the first stop side plate 404. , The lower edge of the second latch block 104 presses the lower edge of the first stop opening 406. Solid The fixed member 40 holds the holding flange 4 that presses the holding block located in the groove 106. 14 at the end.

[0022]   Then, using a hand tool such as a slotted screwdriver, the first latch block 102 The upper end of the upper edge portion 412 of the second stop side plate 408 is pushed in under and is locked. Second The second stop opening 410 in the stop side plate 408 provides adequate resilience during the pushing operation. To do.

[0023]   As a result, the button circuit boards 20 and 30 are sealed without the use of any screws. The button circuit boards 20 and 30 are securely held to the panel by being locked to the base 10. Will be. In addition, the mounting structure of the present invention reduces the thickness of the electronic device. Can also be achieved effectively.

[0024]   In this embodiment, an 18-inch LCD device is used as an electronic device. There is. The row of buttons 20 has a width of 11 mm and a length of 169.20 mm. The width of the side frame of the case on which the projector is placed is 21.35 mm. The case has a thickness of 4.3 mm.

[0025]   Although the above embodiments have been described with an emphasis on LCD devices, the present invention is similar. Obviously, it can be applied to other electronic devices. For example, the present invention is a frame It may be applied to a frame in which the groove portion 106 is formed.

[0026]   While the preferred embodiment of the invention has been set forth for the purpose of disclosure, the disclosure of the invention Other modifications similar to the described embodiment may be made to those skilled in the art. Servant Therefore, the appended claims are intended to cover all implementations without departing from the spirit and scope of the invention. It covers the form.

[0027]

[Effect of device]

  As described above, the push button mounting structure according to the present invention has a function button and a button rotation. The channel module etc. into the groove of the case, and the stop plates on the two sides of the groove. It fits in and engages with the latch block, so screws can be used even in narrow spaces. It is possible to install push buttons for electronic devices, and the push button circuit module It is stably held in the case.

[0028]   Also, along with the function buttons, button circuit modules, etc., the stopper plate is unidirectionally grooved. Assemble it by pushing it in, and since the stop plate is flexible, it can be easily assembled. Workability is improved.

[0029]   Further, a projecting member is provided on the stopper plate, and the projecting member is attached to the electronic device during assembly. Since it is connected to the grounded part, the push button circuit module can be protected from static electricity. Wear.

[Brief description of drawings]

FIG. 1 is an exploded view of an electronic device having a push button mounting structure according to the present invention.

FIG. 2 is a partial sectional view of an electronic device according to the present invention.

FIG. 3 is a perspective view of a fixing member of the present invention.

FIG. 4 is a plan view of the function buttons arranged in a row.

FIG. 5 is a side view of the function buttons arranged in one row.

[Explanation of symbols]

10 ... Case, 102, 104 ... Latch block, 106 ... Groove part, 20 ... Function button, 30 ... Button circuit board (button circuit module, printed circuit board), 40 ... Fixing member, 400 ... Stop plate, 402 ... Projecting member, 404 ... 1st stop side board, 406 ... 1st stop opening, 408 ... 2nd stop side board, 410 ... 2nd stop opening, 414 ... Retaining flange, 502 ... Grounding part.

Claims (13)

[Scope of utility model registration request] 1. A push button mounting structure in which at least one latch block is provided on each of two sides of the groove for mounting a button circuit module in a groove formed in a case of an electronic device. And a second stop side plate located on one side of the stop plate and having a plurality of first stop openings formed therein, and a second stop side plate located on the other side of the stop plate. Flexible, the first stop opening engages the latch block on one side of the groove and the second stop side plate on the lower edge of the latch block on the other side of the groove. The upper end is pressed, which causes the stop plate 2
A push button mounting structure, wherein one side portion engages with a latch block of the groove portion, and the button circuit module is pressed and fixed in the groove portion by the stopper plate. 2. The push button mounting structure according to claim 1, wherein the push button mounting structure is made of metal. 3. The push button mounting structure according to claim 2, wherein the stop plate has at least one protruding member electrically connected to a ground portion of the electronic device to protect the button circuit module from static electricity. 4. A holding block is provided in the groove of the case,
2. The push button mounting structure according to claim 1, further comprising a holding flange provided corresponding to the holding block so as to restrict the stopper plate when the push button mounting structure is connected to a case. 5. The latch block, wherein after the first stop side plate is engaged with the latch block at one side of the groove,
2. Different height positions to facilitate engagement between the second stop side plate and the latch block on the other side of the groove.
Push button mounting structure. 6. The push button mounting structure according to claim 1, wherein the push button mounting structure is provided in one frame, and the groove is formed in the frame. 7. A groove case having two sides each having a latch block, and a button circuit module provided in the groove of the case for electrically connecting to another circuit of an electronic device. In the electronic device, the push button mounting structure includes one stopper plate for pressing the button circuit module and a plurality of first stoppers formed to correspond to the latch block located on one side of the groove portion. A first stop side plate positioned on one side of a stop plate having an opening; a second stop side plate positioned on the other side of the stop plate with the upper end pressed against the lower edge of the latch block on the other side of the groove portion; And the stop plate is flexible, the first stop opening engages with the latch block on one side of the groove, and the second stop side plate with the latch block on the other side of the groove. Second stop to engage Has an opening, the electronic device the button circuit module has to be fixed are pressed by the lateral side of the case by the stop plate. 8. The latch block is configured such that after the first stop side plate is connected to the latch block on one side of the groove, the second stop side plate is engaged with the latch block on the other side of the groove. 8. The electronic device of claim 7 having different height positions to facilitate. 9. The electronic device according to claim 7, wherein the push-button mounting structure is made of metal. 10. The electronic device of claim 7, wherein the stop plate has at least one protruding member electrically connecting to a ground portion of the electronic device to protect the button circuit module from static electricity. 11. The groove portion of the case has a holding flange and a holding flange located at an end portion corresponding to the holding block so as to regulate the stopper plate when the attachment structure of the push button is connected to the case. 8. The electronic device of claim 7, comprising: 12. The electronic device according to claim 7, wherein the button circuit module has at least one push button and one printed circuit board, and the push button is placed on the printed circuit board. 13. The electronic device according to claim 7, wherein the second stop side plate has an opening formed in a lower portion thereof so as to be pressed by the latch block to facilitate engagement with the latch block.