JP3093154U - Power switch operation part structure of television receiver - Google Patents

Abstract

(57) [Summary] [PROBLEMS] In a power switch operation unit structure in which the tip of a lever integrated with an operation button is connected to an on / off operation unit of a power switch, even if the length of the lever is increased, the lever or the The operation of assembling the operation buttons is not impaired. The operation of the operation button and the on / off operation section of the power switch is reliably linked by the lever. An operation button (6) is provided on a side of a front cabinet (12), and a head (8) of a long lever (7) extending from the operation button (6) is turned on / off by a power switch (3).
Connect to 1. An intermediate portion of the lever 7 is supported by upper and lower ribs 92 of the rear cabinet 13 and left and right protruding portions 52 provided on the chassis 5 to prevent the lever 7 from bending and deforming.
The lever 7 can be inserted from the outside of the front cabinet 12 into a hole provided in the front cabinet 12.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

  The present invention relates to a power switch operation unit structure of a television receiver.

[0002]

[Prior art]

  In television receivers, such as video-integrated television receivers, the primary power Requires power switch to switch on and off at the rear of the cabinet Even when the power switch is turned on and off, the operation buttons are Therefore, it is necessary to install it on the front surface of the cabinet or a place near the front surface. This Under the above conditions, the push-in operation of the operation button can be reliably performed in the on / off operation section of the power switch. The power switch on / off operation unit is pushed in and the power switch The return operation of the on / off operation section is reliably transmitted to the operation button, and the operation button is pushed to the return position. It must be able to be returned.

[0003]   Conventionally, the structure for interlocking the push button and push switch knob is The push switch mounted on the printed circuit board is relatively far from the front panel. Push-fit slidably into the hole in the front panel when Link button and push switch knob using a joint bar. I was sick. That is, at the tip of the joint bar, push switch knob A joint to be connected to the knob and connect the joint to the knob. Was there. In addition, when the push button is equipped with a joint bar, In some cases, the layer button and the joint bar may be separated, and in either case The push button from the inside of the front panel and fit it into the hole. The assembly procedure of holding it freely is adopted (for example, see Patent Document 1). ).

[0004]   On the other hand, when the joint bar is made of synthetic resin molding and is extended long In addition, prevent the bending deformation of the joint bar and push the switch There was no literature that provided a reliable means to reach Ji Nobu.

[0005]

[Patent Document 1]   Japanese Utility Model Publication No. 59-180326

[0006]

[Problems to be solved by the device]

  By the way, with television receivers, the size of the monitor screen for cathode ray tubes has become larger. In addition, the power switch is related to the layout of the electric and electronic components mounted on the wiring board. It has become necessary to locate the switch at the rear of the cabinet. On the spot However, the location of the operation button for operating the power switch is limited to the front of the cabinet. Therefore, the lever such as the joint bar shown in Patent Document 1 is used for operation. It becomes necessary to connect the operation button and the on / off operation section of the power switch.

[0007]   On the other hand, in a television receiver with a large monitor screen, the cabinet is It is divided into a rear cabinet and a rear cabinet, and has a cathode ray tube and power switch. Wiring board with electrical and electronic components including switches, and a chassis with the wiring board attached. After assembling built-in parts such as chassis into the front cabinet, The assembly process is carried out by assembling the to the front cabinet. That In this case, as suggested by Patent Document 1, an operation that is integral with the lever or a separate body Buttons from inside the front cabinet to the front cabinet The rear cabinet to the front cabinet after fitting the holes If you take this procedure, it will be attached to the front cabinet before the lever Built-in components such as existing cathode ray tubes and wiring boards with electrical and electronic components The problem that the workability of assembling the plug into the hole is impaired and the assembly workability is impaired Occurs.

[0008]   The problem is that the operation button is integrated with the lever and the length of the lever is 30 If it has a long dimension of around 0 mm, it will be It is easy to cause a situation where the lever moves and interferes with the cathode ray tube and electric and electronic parts. This is especially noticeable because of this.

[0009]   The present invention has been made in view of the above problems, and has a lever integrated with an operation button. Of the power switch is connected to the on / off operation part of the power switch, and the lever is The structure that is slidably fitted in the hole of the net is a television receiver When applied to the power operation part of, adopt a long lever of around 300mm, for example However, the workability of assembling the levers and operation buttons is different from that of cathode ray tubes and electric / electronic parts. Any front cabinet is damaged by being interfered with by the built-in parts that were previously installed The structure of the power switch operation part of the television receiver that is unlikely to occur The purpose is to provide.

[0010]   Further, the present invention makes the operation button and the on / off operation section of the power switch interlock. The length of the lever is long, and the lever is made of a flexible synthetic resin molded body. Even if it is made, the television receiver that will surely work together It is an object of the present invention to provide a power switch operation unit structure of

[0011]

[Means for Solving the Problems]

  The power switch operation part structure of the television receiver according to the present invention is a power switch. Switch and the chassis to which this wiring board is attached are built in. The operation button is pushed into the front end of the television receiver cabinet and is arranged so that it can be restored. The head part at the end of a straight lever connected to this operation button is It has the basic structure of being connected to the on / off operation unit of the power switch.

[0012]   Then, the operation button and the lever having the head portion are integrally molded of synthetic resin. The lever and the hole formed in the front end of the cabinet. The cabinet has a size that allows the head part at the tip of the lever to be inserted. The lever, which is inserted into the hole from the outside of, is slidably fitted into the hole. In addition, the central part of the lever in the axial direction is The support means provided separately for the chassis and the It is slidable in the pushing return direction when it is positioned in the direction of 2 axes orthogonal to Supported by.

[0013]   With this structure, the head is inserted from the outside of the cabinet to the hole of the cabinet. A lever having a portion is inserted and the lever is slidably fitted into the hole. So, like when fitting the lever into the hole by operating from the inside of the cabinet, The workability of assembling the operation buttons is impaired by being disturbed by cathode ray tubes and electric / electronic components. That situation becomes less likely. Further, the intermediate portion in the axial direction of the lever is supported by the supporting means. Since it is supported by the lever, the lever is formed of a synthetic resin molded body that is easily bent and deformed. Even if it is configured, the operation button push-back operation and the power switch on / off operation Satisfying power is ensured by the operation of the work department being linked via the lever. The operational reliability of the switch is obtained.

[0014]   In the present invention, the power switch is installed in the rear part of the cabinet. , The lever extends straight along the side wall of the cabinet, Supporting means is provided on the side wall and moves up and down at one position in the axially intermediate portion of the lever. A pair of upper and lower ribs which are sandwiched in the direction and slidably held in the pushing-back direction, The other half of the axial center of the lever provided on the chassis is moved to the left and right. It is equipped with a pair of left and right protrusions that are sandwiched between It is possible to adopt the configuration that it has, and when adopting this configuration, A pair of upper and lower ribs is integrally molded with the cabinet together with a synthetic resin, and , The pair of left and right protrusions are integrally molded with the chassis with synthetic resin. And is desirable.

[0015]   According to this, the axially intermediate portion of the lever is supported to prevent the flexural deformation of the lever. The support means includes a pair of upper and lower ribs integrated with the cabinet and a pair of left and right integrated with the chassis. It is formed by the protruding part of the It is not necessary to form a separate component separate from the chassis. Therefore, cost increase So that the support means can be configured without increasing the number of parts that cause Become.

[0016]   In the present invention, the cabinet includes a front cabinet having the hole. It is divided into a rear cabinet having a pair of upper and lower ribs, and a pair of upper and lower ribs. And the pair of left and right protrusions are located near the operation button of the lever and the lever. It is desirable that the head is distributed to the location near the head portion of the. By this If so, a chassis with a cathode ray tube and wiring board attached to the front cabinet is assembled. Operation button before mounting the rear cabinet. It is fitted in the hole of the net, and the lever axial middle part is connected to the upper and lower ribs. It can be supported by a pair of right protrusions to prevent the lever from swinging. The lever swings when the rear cabinet is assembled The workability of the rear cabinet is improved because the situation of impairing the assembly workability of It becomes possible to assemble well. In addition, the lever is located above and below the operation button. By the pair of ribs, the vicinity of the head portion is supported by the pair of left and right protrusions. Therefore, even if the lever is long, the bending deformation of the lever accompanying the push-in return operation of the operation button is effective. As a result, the operation reliability of the power switch is further improved.

[0017]   The power switch operation part structure of the television receiver according to the present invention is a power switch. Switch and the chassis to which this wiring board is attached are built in. Operation buttons can be pushed in and returned to the front end of the side wall of the television receiver cabinet The head part of the straight lever that is deployed and connected to this operation button is The power switch of the television receiver connected to the on / off operation section of the power switch. In the switch operation unit structure, the cabinet includes the lever and the lever. Front cabinet with a hole that is large enough to insert the head of the tip and the top and bottom Divided into a rear cabinet with a pair of ribs and combined with the above operation buttons The lever, which is integrally molded with resin, is placed above the hole in the front cabinet. By being inserted from the outside of the cabinet, it can be slidably fitted in its hole. In addition, the head part has an opening on its side surface, and And a U-shaped outer portion that is laterally fitted to the on / off operation portion of the power switch, It is provided inside the outer peripheral portion and is fitted into the groove portion of the on / off switching operation portion to A protrusion engaged in the pushing-back direction, and between the pair of upper and lower ribs. , Push in with the position near the operation button of the lever positioned vertically. It is fitted so that it can slide in the return direction only, and is made of synthetic resin together with the above chassis. Between the pair of left and right body-molded protrusions, Direction, it is slidably fitted in the pushing return direction. It is further embodied by adopting the configuration that How this device works This will be made clear by the embodiments described below.

[0018]

[Embodiment of device]

  FIG. 1 shows the arrangement of a power switch operation unit structure according to the present invention in a television receiver. FIG. 2 is an explanatory diagram showing the parts viewed from above, and FIG. 2 is a structure of a power switch operating portion according to the present invention. FIG. 3 is a schematic perspective view of the head portion 8, and FIG. 4 is a mounting position of the operation button 6. 2 is a partially broken side view showing FIG. 5, FIG. 5 is an enlarged view taken along the arrow V in FIG. 2, and FIG. 6 is VI-VI in FIG. FIG. 7 is an end view of the portion along the line, and FIG. 7 is an end view of the portion along the line VII-VII in FIG. It

[0019]   Figure 1 shows the television receiver cabinet and the built-in cabinet. The outline contour of the round tube is indicated by imaginary lines, and reference numerals 1 and 2 are attached to each. Ki In addition to the cathode-ray tube 2, the wiring board on which the power switch 3 is mounted 4 and a chassis 5 to which the wiring board 4 is attached are built-in, The switch 3 is provided at the rear of the cabinet 1.

[0020]   As shown in FIG. 2, the cabinet 1 includes a front cabinet 12 and a rear cabinet. It is divided into And, the front end of the cabinet 1, specifically, the floor Front end of the side wall near the mating portion 14 between the front cabinet 12 and the rear cabinet 13 The operation button 6 is provided on the section, and the straight lever is connected to the operation button 6 A head portion 8 is provided at the tip of 7, and the head portion 8 is used to turn on / off the power switch 3. It is connected to the part 31. Here, the power switch 3 pushes the ON / OFF operation unit 31. It is switched to ON and OFF alternately by the manual operation, and the ON / OFF operation unit 31 is pushed. The return operation after the adjustment is performed by the action of a spring (not shown) built in the power switch 3. Is done. Therefore, when the operation button 6 is pushed in with the fingers, The work is transmitted to the on / off operation section 31 of the power switch 3 via the lever 7, and the on / off operation is performed. The working unit 31 is pushed in and the power switch 3 is turned on or off.

[0021]   As shown in FIG. 2 or FIG. 4, the operation button 6 is a push button on which the finger of the hand is pressed at the front end. It has a pressure operation surface 61 and is provided with a pair of upper and lower claw pieces 62, 62 protruding from the rear end. ing. In addition, the operation button 6 in the example shown in FIG. And a pair of upper and lower claw pieces 62, 62 are located on both upper and lower sides sandwiching the base end of the lever 7. . On the other hand, the front cabinet 12 has a recess 16 in its side wall 15. The lever 7 having a rectangular cross section is slidably fitted into the end wall portion 17 of the recess 16. The combined rectangular holes 18 and a pair of upper and lower holes provided on both the upper and lower sides of the hole 18. Provided with slit-like locking holes 19, 19 into which the claw pieces 62, 62 are individually inserted. There is. The operation button 6 is housed in the recess 16 and the tip of the claw piece 62 is projected. An operation button from the recess 16 is formed by locking the raised portion 63 to the hole edge of the locking hole 19. 6 is prevented from coming out, and the length of the claw piece 62 is properly determined. By pushing the button, the pushing margin of the operation button 6 is secured.

[0022]   2, 3, or 5, the head portion 8 of the lever 7 has an opening 82 on the side surface. U-shaped outer peripheral portion 81 having and upper and lower ribs provided inside the outer peripheral portion 81 Of the power switch 3. The projections 83, 83 are fitted to the outside of the operation portion 31, and the projections 83, 83 are attached to the on / off operation portion 31. It fits into the annular groove 32 provided, and the groove 32 and the operation button 6 (see FIG. 2). Or (see FIG. 4), they are engaged in the push-in return direction.

[0023]   As illustrated in FIG. 6 or FIG. 7, the lever 7 has a predetermined interval in the axial direction. The rectangular (rectangular) face plate parts 71 located in the vertical direction are connected by the vertical and horizontal rib parts 72. It is an elongated body, and its length is set to, for example, about 300 mm. Of lever 7 Although the shape is not limited to the illustrated example, the lever 7 has a face plate portion 71 and a rib as shown in the illustrated example. If the portion 72 is provided, the bending rigidity of the lever 7 can be increased. There is a point. The lever 7 is made of synthetic resin together with the operation button 6 and the head portion 8 described above. It is a long body integrally molded. Therefore, the lever 7 has the face plate portion 71 and the rib portion 72. Even if the lever is provided, the lever 7 can be easily bent artificially, and Then, the operation button 6 is pushed back and the power switch 3 is turned on / off. There is a limitation in improving the operational reliability of interlocking with the recovery operation.

[0024]   Therefore, in this embodiment, as shown in FIG. 2 or 6, the lever 7 is attached to the rear cabinet. It is arranged diagonally along the side wall 91 of the housing 13 in a plan view, and is a rear cabinet. Indented between the upper and lower pair of ribs 92, 92 integrally molded together with 13 Return direction Slidingly fits the lever 7 to warp upward or deform downward It prevents the drooping deformation. Moreover, in addition to this, as shown in FIG. 2 or FIG. The top of the rising part 51, which is integrally molded with the chassis 5 and is made of synthetic resin, has a right and left upwards. A pair of protrusions 52, 52 is provided, and a lever is provided between the protrusions 52, 52. -Retract the lever 7 in the return direction and slidably fit the lever 7 Prevents shape. Therefore, the lever 7 is integrated with the rear cabinet 13 in the vertical direction. A pair of ribs 92, 92 and a pair of left and right protrusions 52, 52 integrated with the chassis 5 are provided. Positioning in two axial directions that are orthogonal to the axis of the lever 7 and orthogonal to each other. It is supported slidably in the pushing return direction in Bending deformation in the direction V and the left-right direction H is suppressed. Therefore, the operation button 6 When pushing in with the fingers of the hand, the pushing action does not cause bending deformation of the lever 7. Securely transmitted to the on / off operation section 31 of the power switch 3 to turn on the power switch 3. Or, it is turned off, and the on / off operation unit 31 of the power switch 3 returns from the pushing position. In that case, the returning operation is surely transmitted to the operation button 6 without the bending deformation of the lever 7. The operation button 6 returns from the pushed-in position.

[0025]   In addition, as can be seen in FIG. 2, the pair of upper and lower ribs 92, 92 are used to operate the lever 7. It is located near the button and supports the lever 7 in the up-down direction. 52, 52 are arranged near the head portion 31 to support the lever 7 in the left-right direction. The operation button 6 is pushed in and the power switch 3 is turned on / off. The flexural deformation of the lever 7 due to the returning operation of is surely prevented. for that reason Since the lever 7 is formed of a long synthetic resin molded body, the manufacturing cost can be reduced. Satisfactory operation reliability can be obtained even if the value is suppressed.

[0026]   Next, as can be seen in FIG. 2 or FIG. 3, the head portion 8 of the lever 7 is the outer surface of the lever 7. It is formed in a shape and size that does not protrude from any direction. Therefore, this The head portion 8 can be inserted into the hole portion 18 shown in FIG. head Since the lever 7 having the portion 8 is configured in this way, the lever 7 and the operation button are 6 is assembled in the front cabinet 12, the cathode ray tube shown in FIG. Assemble chassis 5 with wiring board 2 and wiring board 4 attached to front cabinet 12 The rear cabinet 13 before mounting the rear cabinet 13 to the front cabinet 12. From the outside of the front cabinet 12, insert the head portion 8 of the lever 7 and the lever 7 into the hole portion 1 8 so that the base portion of the lever 7 is slid into the hole 18 as shown in FIG. Id can be fitted freely. If this assembly procedure is adopted, the front cabinet 12 Since it is not necessary to fit the lever 7 into the hole 18 by operating from inside the CRT, 2 and the operation buttons 6 and It is unlikely that the workability of assembling the bar 7 is impaired.

[0027]   Further, the head portion 8 of the lever 7 fitted in the hole portion 18 is shown by an imaginary line in FIG. After facing the on / off operation section 31 of the power switch 3 from the side as shown in FIG. 8 is brought close to the on / off operation portion 31 as shown by an arrow N, and the lever 7 is moved to the left and right protruding portions 52. , 52 are slidably fitted to each other and, as shown in FIG. When the outer peripheral portion 81 is laterally fitted to the on / off operation portion 31 through the opening 82, The upper and lower protrusions 83, 83 provided on the outer peripheral portion 81 are the groove portions 32 of the on / off operation portion 31. And is engaged with the groove portion 32 in the pushing return direction. To do this work Accordingly, the operation button 6 and the on / off operation section 31 of the power switch 3 operate the head section 8. The lever 7 is connected by the lever 7 and has a pair of upper and lower ribs 92, 9 2 and a pair of left and right protrusions 52, 52 are positioned in two axial directions orthogonal to each other. Be done. After this, the rear cabinet 13 is assembled to the front cabinet, By this assembly, the lever 7 is fitted between the upper and lower ribs 92, 92.

[0028]

[Effect of device]

  As described above, according to the present invention, the tip portion of the lever integrated with the operation button has power. It is connected to the on / off operation part of the switch, and the lever is inserted into the hole of the cabinet. The power operation section of the television receiver has a structure that allows it to be freely rided. When applying, even if you have to increase the length of the lever, Assembling workability of operation buttons is easy with front cabinets such as cathode ray tubes and electric and electronic parts. The internal parts that were previously assembled to the The effect of becoming difficult is exhibited.

[0029]   In addition, the lever is long and is made of a synthetic resin molded body that is easy to bend. Even if the power switch is Since the operation with the cutting operation part is surely linked, it is safe without increasing the number of parts. It is possible to provide a power switch operation part structure with excellent operational reliability. .

[Brief description of drawings]

FIG. 1 is an explanatory view showing a location where a power switch operation unit structure according to the present invention is arranged in a television receiver as viewed from above.

FIG. 2 is an overall plan view of a power switch operating unit structure according to the present invention.

FIG. 3 is a schematic perspective view of a head unit.

FIG. 4 is a partially cutaway side view showing a mounting location of an operation button.

FIG. 5 is an enlarged view of FIG.

FIG. 6 is an end view of a portion taken along the line VI-VI in FIG.

7 is an end view of a portion taken along the line VII-VII in FIG.

[Explanation of symbols]

1 cabinet 3 power switch 4 wiring board 5 chassis 6 operation buttons 7 lever 8 head 12 front cabinet 13 Rear cabinet 18 holes 31 ON / OFF operation section 32 groove 52 Projection 81 Surrounding area 82 Opening mouth 83 protrusions 92 ribs

Claims (5)

[Scope of utility model registration request] 1. An operation button is provided at a front end of a side wall of a television receiver cabinet having a power switch mounted wiring board and a chassis to which the wiring board is attached so that the operation button can be pushed back to be connected to the operation button. In a power switch operation part structure of a television receiver in which a head part of a straight lever provided is connected to an on / off operation part of the power switch, the cabinet includes the lever and a head part of the lever. The lever is divided into a front cabinet having a hole portion having a size capable of inserting a portion and a rear cabinet having a pair of upper and lower ribs, and the lever integrally molded with the operation button is made of synthetic resin. Can be slid into the hole by inserting it into the hole from the outside of the cabinet. In addition to being fitted, the head part has an opening on the side surface and is fitted laterally to the on / off operation part of the power switch through the opening, and the outer part of the U-shape. And a protrusion engaged with the groove portion of the on / off operation portion and engaged with the groove portion of the on / off operation portion, the protrusion being engaged between the upper and lower ribs to operate the lever. The lever head is fitted between the pair of left and right protrusions that are slidably fitted together in the push-in and return direction in a state in which the vicinity of the button is positioned in the vertical direction and integrally molded with the chassis with synthetic resin. A power switch operating section structure of a television receiver, wherein the power switch operating section is fitted so as to be slidable in the push-in returning direction in a state where neighboring portions are positioned in the left-right direction. 2. An operation button is provided at the front end of a television receiver cabinet having a power switch mounted wiring board and a chassis to which the wiring board is attached so that the operation button can be pushed back to be connected to the operation button. In a power switch operation part structure of a television receiver in which the head part of the end of the straightened lever is connected to the on / off operation part of the power switch, the operation button and the lever having the head part are made of synthetic resin. It is an integrally molded body, and the hole provided at the front end portion of the cabinet has a size capable of inserting the lever and the head portion at the tip of the lever, and is inserted from the outside of the cabinet into the hole portion. The lever is slidably fitted into the hole, and the axially intermediate portion of the lever is fitted with the key. Supporting means provided separately for the vignette and the chassis are slidably supported in the push-in returning direction in a state of being positioned in two axial directions orthogonal to the axis and orthogonal to each other. The structure of the power switch operation part of the television receiver. 3. The power switch is located at the rear of the cabinet, the lever extends straight along a side wall of the cabinet, and the support means is provided on the side wall of the lever. A pair of upper and lower ribs sandwiching one axial middle portion in the vertical direction and slidably held in the pushing return direction, and another one axially intermediate portion of the lever provided on the chassis in the horizontal direction. 3. The power switch operating portion structure for a television receiver according to claim 2, further comprising a pair of left and right protruding portions which are sandwiched between and are slidably held in the pushing-back direction. 4. The television image receiving apparatus according to claim 3, wherein the pair of upper and lower ribs are integrally formed with the cabinet by a synthetic resin, and the pair of left and right protrusions are integrally formed by a synthetic resin with the chassis. Power switch operation part structure of the machine. 5. The cabinet is divided into a front cabinet having the hole and a rear cabinet having a pair of upper and lower ribs, and the pair of upper and lower ribs and the pair of left and right protrusions are the levers. 5. The power switch operating unit structure for a television receiver according to claim 4, wherein the power switch operating unit structure is distributed to a portion near the operation button and a portion near the head portion of the lever.