JP3091987U - Switch device - Google Patents

Abstract

(57) [Summary] [Purpose] To reduce the cost of the front panel mold. A comb-shaped slit 1 is provided on a front panel 3a of a housing 3.
The plurality of elastic levers 1 left uncut by forming 7
8 with knobs 4a to 5
e are integrally formed, and the lower surface 2 on the front end side with respect to the center O of the lower surface.
Step-shaped lower surface 2 with 0a raised and base-side lower surface 20b lowered
An operation rod 19 having an “0” is protruded integrally with the back surface of the knobs 4 a to 5 e. When the main board 8 is positioned at the rear A in the housing 3, each tact is caused by the lower surface 20 a on the distal end side of each operation rod 19. When the switch 7 is turned on and off,
When the main board 8 is positioned at the front B in the housing 3, each tact switch 7 is turned on / off by the base-side lower surface 20 b of each operating rod 19.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

  The present invention is a so-called television in which a magnetic tape device is integrated with a television receiver, for example. Video switch device.

[0002]

[Prior art]

  There are so-called tele-videos shown in FIGS. 11 and 12. This is TV The front panel 3a of the housing 3 that houses the receiver 1 and the magnetic tape device 2 has a television set. A John receiver switch unit 4 and a magnetic tape device switch unit 5 are provided. Power supply for the television receiver switch unit 4 and each channel switching knob 4a-4 e and a plurality of operating knobs 5a to 5e of the magnetic tape device switch section 5 facing each other. Tact switches 7 are arranged on the front edge of the main board 8, and the main board 8 is The rear position A in the body 3 (see the solid line in FIG. 12) or a predetermined distance α from the rear position A It is arranged at the front position B (see the phantom line in FIG. 12) on the front side of the housing and integrally projects on the bottom surface of the housing 3. It is fixed to the protruding portion 9 with a screw 10. In addition, in FIG. 11, 11 is Name plate, 12 remote control light receiving part, 13 audio / video input jack, 14 earphone 15 is a cassette insertion port.

[0003]   Conventionally, the structure of each of the switch portions 4 and 5 is described in Japanese Utility Model Laid-Open No. 6-9023. As shown in FIG. 13 and FIG. The horizontal groove 17a is parallel to the face panel 3a and is parallel to the horizontal groove 17a with a predetermined space β downward. By forming the comb-teeth-shaped slit 17 composed of a plurality of vertical grooves 17b extending in the A plurality of elastic levers 18 left uncut and integrally formed at the tip of each elastic lever 18. Each of the knobs 4a to 5e described above is provided, and as shown in FIG. Corresponding to being placed at the rear position A in 3, the long length L is provided on the back surface of each knob 4a to 5e. The operation rod 19 of No. 1 is provided so as to project the main board 8 in the front of the housing 3 as shown in FIG. Operation of the short length L2 on the back surface of each of the knobs 4a to 5e in correspondence with the arrangement at the one side position B A rod 19 is projected.

[0004]   In the above structure, by pressing each of the knobs 4a to 5e, each elastic lever is pressed. -18 is elastically deformed, and each tact switch 7 is turned on / off by each operating rod 19. Operate the TV receiver 1 and the magnetic tape device 2 as desired. Manipulate.

[0005]

[Problems to be solved by the device]

  With the above configuration, when the main board 8 is arranged at the rear position A, the operating rod 1 of the long length L1 is arranged. 9 (see FIG. 13) is used, and the main board 8 is placed in front. A front panel provided with an operating rod 19 of a short length L2 (see FIG. 15) when it is arranged at the position B 3a is used and two types of front panel 3a are required. The mold cost of the front panel 3a is expensive. Further, the main board 8 is fixed to the housing 3. Since a large number of screws 10 are required, the fastening work takes time and effort. Not only is it troublesome, but the number of parts is large and the cost increases. Furthermore, each knob 4a- There is a possibility that the tact switch 7 may be damaged by pushing the 5e too much.

[0006]   In consideration of the above-mentioned problems, the present invention makes it possible to reduce the die cost and to fix the main board. (EN) Provided is a switch device which is easy to carry out and prevents excessive pushing of a knob. And is intended.

[0007]

[Means for Solving the Problems]

  In order to achieve the above-mentioned object, the device according to claim 1 has a telescopic housing in a synthetic resin housing. A magnetic tape device-integrated television set containing a vision receiver and a magnetic tape device. On the front panel of the housing of the TV receiver, the switch for the TV receiver and the magnetic tape And a switch for the device are provided, and each switch has a lateral groove and a lateral groove on the front panel. Comb-shaped slit formed by a plurality of vertical grooves extending downward in parallel from the groove at a predetermined interval. A plurality of elastic levers left uncut by forming Knobs are integrally formed on the tip of each, and tact switches facing each knob are attached. The main board is positioned rearward or forward in the housing, and the main board is placed rearward. Corresponding to the positioning, a long operating rod is projected on the back of each knob, Corresponding to positioning the main board forward, short operation on the back of each knob A rod is provided so that the elastic lever is elastically deformed based on the pressing operation of each knob. A switch adapted to turn each tact switch on and off with each operating rod. In the device, a front panel having a long operating rod and a front panel having a short operating rod Instead of the panel, the lower surface on the tip side was made higher and the lower surface on the base end side was made lower with the center of the lower surface as a boundary. A front panel with an operating rod having a stepped lower surface is used, and the main board is When positioned rearward in the housing, each tact switch is When turning the switch on and off and positioning the main board forward in the housing The tact switch is turned on and off by the bottom surface of the base of each operating rod. And a plurality of locking pieces projecting from the back surface of the front panel at predetermined intervals. The stopper has a locking recess for fitting the front edge of the main board positioned forward. Slits formed by forming a gate-shaped slit in each elastic lever. The top surface of the topper is close to the bottom surface of the operating rod on the base end side at a predetermined interval. It is a sign.

[0008]   According to the above configuration, the lower surface of each operating rod, which has a stepped lower surface, is rearward On / off operation of each tact switch on the main board located at The tact switches on the main board located in front of the bottom surface of the operating rod on the base end side It is designed to be turned on and off, and the position of the main board can be adjusted using only one type of operating rod. One type of front panel with its operating rod protruding, as it can accommodate changes You only need to prepare it, compared to the case of preparing two types of front panels as in the past. The die cost can be reduced significantly.

[0009]   In addition, when positioning the main board forward in the housing, the front edge portion of the main board Simply insert the lock into the locking recess of each locking piece protruding from the back surface of the front panel, and The front edge of the in-board can be fastened to the front panel quickly and easily. By omitting the screws that were conventionally used to fix the front edge of the main board As a result, the number of parts can be reduced and the cost can be reduced.

[0010]   Furthermore, even if the knob is pushed too hard, the lower surface of the operating rod that is integrally projected on the knob will be If you push the knob too far, it will hit the top surface of the stopper and prevent it from being pushed too much. It is possible to prevent the tact switch from being damaged.

[0011]   The invention according to claim 2 has a knob displaceably provided in a synthetic resin casing, The tact switch is located on the main board inside the housing, facing the operating rod protruding from the back of the knob. Is attached, and by pressing the knob, the taktos In the switch device for turning on / off the switch, The lower surface of the base should be lower and the lower surface of the base should be lower with the center of the lower surface as the boundary. It is formed in a staircase shape and can be operated when the main board is positioned behind the housing. The tact switch is turned on and off by the lower surface of the rod tip side, and the main board When the actuator is positioned in the front of the housing, the tact switch The feature is that it is turned on and off.

[0012]   According to the above structure, the lower surface of the operating rod, which has a stepped lower surface, is rearwardly moved by the lower surface of the operating rod. On / off operation of the tact switch on the main board located, and its operation Turn on / off the tact switch on the main board located in front by the bottom surface of the rod on the base end side. The operation of the main board can be changed with only one type of operating rod. Since it is possible to respond, just prepare one type of housing with the operating rod protruding from it. Well, compared with the case of preparing two types of housing as in the past, the mold cost is significantly lower. You can do it.

[0013]   The invention according to claim 3 has a knob displaceably provided in a synthetic resin casing, The tact switch is located on the main board inside the housing, facing the operating rod protruding from the back of the knob. Is attached, and by pressing the knob, the taktos In the switch device for turning on / off the switch, The surface is inclined upward from the base end side to the tip end side, and the main board is When positioned behind the body, the tact switch is turned on by the lower surface on the tip side of the operating rod. Turns on and off, and operates when the main board is positioned in front of the housing. The tact switch can be turned on / off by the bottom surface of the rod on the base end side. It is a sign.

[0014]   According to the above configuration, the lower end of the operating rod with the inclined lower surface is located rearward. On / off operation of the tact switch on the main board and the base of the operating rod. ON / OFF operation of the tact switch on the main board located in the front by the bottom surface on the edge side The position of the main board can be changed with only one type of operating rod. Therefore, it is only necessary to prepare one type of housing with the operating rod protruding from it. Significantly lower mold cost compared to the case of preparing two types of housing as in the past be able to.

[0015]   The invention according to claim 4 is the device according to claim 2 or 3, wherein: A plurality of locking pieces are provided on the back surface of the projection at predetermined intervals, and the locking pieces are positioned in front of each locking piece. A locking recess is formed to fit the fixed front edge of the main board. Is characterized by.

[0016]   According to the above configuration, when the main board is positioned in the front of the housing, the main board is By simply fitting the front edge of the board into the locking recess of each locking piece that is provided on the back surface of the housing, The front edge of the main board can be fastened to the housing quickly and easily. By omitting the screws that were conventionally used to fix the front edge of the main board As a result, the number of parts can be reduced and the cost can be reduced.

[0017]   The invention according to claim 5 is the device according to any one of claims 2 to 4, Tip of the elastic lever left uncut by forming a comb-like slit in the housing The knob is formed integrally with the elastic lever and a portal slit is formed in the elastic lever. The upper surface of the stopper left uncut by is brought close to the lower surface of the operating rod at a predetermined interval. It is characterized by

[0018]   According to the above configuration, even if the knob is pushed too hard, the operating rod integrally projected on the knob Since the lower surface hits the upper surface of the stopper and prevents it from being pushed too much, push the knob over. It is possible to prevent the tact switch from being damaged by the grip.

[0019]

[Embodiment of device]

  1 to 4 are so-called televisions provided with a switch device according to an embodiment of the present invention. The lower surface 20 of the operating rod 19 is a boundary between the lower surface center O and The lower surface 20a on the distal end side is made higher and the lower surface 20b on the base end side is made lower in a stepwise shape. ing. Since the configuration other than the above is almost the same as the configuration shown in FIGS. 11 to 15, The same parts are designated by the same reference numerals and the description thereof will be omitted.

[0020]   In the above structure, as shown in the solid line in FIG. 1 and FIG. 2, the main substrate 8 is at the rear position. When it is arranged at A, each of the bullets is pressed by pressing the knobs 4a to 5e. The elastic lever 18 is elastically deformed, and the respective lower surfaces 20a of the operating rods 19 on the tip side of the operating levers 19 Switch 7 is turned on and off, and as shown in FIGS. When the plate 8 is arranged at the front position B, the knobs 4a to 5e can be pressed. The elastic levers 18 are elastically deformed by, and the lower surface 20 on the base end side of each operating rod 19 is Each tact switch 7 is turned on / off by b. The receiver 1 and the magnetic tape device 2 are operated as desired.

[0021]   According to the above configuration, it is possible to change the position of the main board 8 with only one type of operating rod 19. Therefore, one type of front panel 3a having the operating rod 19 protruding therefrom can be used. It is only necessary to know, when using two types of conventional front panel 3a (see FIG. 13 and FIG. 15), the die cost of the front panel 3a can be significantly reduced. It

[0022]   In the above embodiment, as shown in FIGS. 3 and 4, the main board 8 is placed at the front position. When arranging in B, the front edge of the main board 8 is fixed by the screw 10. However, as shown in FIGS. 5 to 7, the front panel is not limited to this. A plurality of (three in this embodiment) locking pieces 22 are provided on the back surface of 3a at predetermined intervals. The protrusions are integrally formed, and a width d substantially equal to the thickness t of the main board 8 is provided on the rear end surface of each locking piece 22. Locking recesses 22a of the main board 8 are formed in the locking recesses 22a. You may make it fit in a corner and a center. By this, the front edge of the main substrate 8 Part can be fastened to the front panel 3a quickly and easily, and its main board By omitting the screw 10 that was conventionally used to fasten the front edge of No. 8 Therefore, it is possible to reduce the cost by reducing the number of parts.

[0023]   In addition, as shown in FIGS. 7 to 9, a gate-shaped slit 23 is formed in each elastic lever 18. The upper surface 24a of the stopper 24 left uncut, You may approach the surface 20b at a predetermined interval e. This allows the knobs 4a-5 Even if e is pushed too hard, the base end side of the operating rod 19 projecting integrally with the knobs 4a to 5e The surface 20b hits the upper surface 24a of the stopper 24 to prevent it from being pushed too much. It is possible to prevent the tact switch 7 from being damaged by pushing the knobs 4a to 5e too much. Wear.

[0024]   FIG. 10 is a so-called tele-video equipped with a switch device which is another embodiment of the present invention. And the lower surface 20 of each operating rod 19 is directed from the base end side to the front end side. And the main substrate 8 is positioned rearward A in the housing 3. First, each tact switch 7 is turned on / off by the lower surface 20a on the front end side of each operating rod 19. The operation rods are manufactured when the main board 8 is positioned in the front B inside the housing 3. On / off operation of each tact switch 7 by the lower surface 20b on the base end side of 19 Has become. Since the configuration other than the above is almost the same as the configuration shown in FIGS. 1 to 9, The same parts are designated by the same reference numerals and the description thereof will be omitted.

[0025]   According to the above configuration, it is possible to change the position of the main board 8 with only one type of each operating rod 19. One type of front panel 3a on which the operating rods 19 are projected It is only necessary to prepare different types, compared to the case where two types of front panel 3a are conventionally prepared. In all, the die cost of the front panel 3a can be significantly reduced.

[0026]

[Effect of device]

  According to the invention as set forth in claim 1, the lower end of each operating rod whose lower surface is formed in a stepped shape ON / OFF operation of each tact switch on the main board located at the rear by the surface At the same time, the tacks on the main board located in the front by the bottom surface of the operating rod on the base end side. The switch is designed to be turned on and off, and only one type of operating rod Since it is possible to change the position of the circuit board, the front panel You only need to prepare one type of flannel, and if you want to prepare two types of front panels as in the past. Compared to the case, the mold cost can be significantly reduced.

[0027]   In addition, when positioning the main board forward in the housing, the front edge portion of the main board Simply insert the lock into the locking recess of each locking piece protruding from the back surface of the front panel, and The front edge of the in-board can be fastened to the front panel quickly and easily. By omitting the screws that were conventionally used to fix the front edge of the main board As a result, the number of parts can be reduced and the cost can be reduced.

[0028]   Furthermore, even if the knob is pushed too hard, the lower surface of the operating rod that is integrally projected on the knob will be If you push the knob too far, it will hit the top surface of the stopper and prevent it from being pushed too much. It is possible to prevent the tact switch from being damaged.

[0029]   According to the invention of claim 2, the lower surface of the operating rod at the tip side of the operating rod is formed stepwise. The tact switch on the main board located at the rear can be turned on and off with And the tact switch on the main board located in front by the lower surface on the proximal end side of the operating rod. It is designed to operate the switch on and off, and only one type of operating rod Since it can handle position changes, only one type of housing with its operating rod It is only necessary to think about it, compared to the conventional case where two types of housings are prepared, the mold The cost can be reduced significantly.

[0030]   According to the invention as set forth in claim 3, the lower surface on the front end side of the operating rod is inclined. Turn on / off the tact switch on the rear main board, and The tact switch on the main board located on the front side is turned on by the bottom surface of the operating rod on the base end side. It is designed to be turned on and off, and the position of the main board can be changed with only one type of operating rod. Since it is possible to deal with it further, prepare one type of housing with its operating rod protruding. It is only necessary to increase the mold cost compared to the case of preparing two types of housing as in the past. Can be cheaper in width.

[0031]   According to the invention as set forth in claim 4, when positioning the main board forward in the housing The front edge of the main board into the locking recess of each locking piece protruding from the back surface of the housing. The front edge of the main board can be fastened to the housing quickly and easily by simply At the same time, the screws conventionally used for fixing the front edge of the main board are omitted. By omitting it, the number of parts can be reduced and the cost can be reduced.

[0032]   According to the invention as set forth in claim 5, even if the knob is pushed too strongly, the knob is integrally projected to the knob. Since the lower surface of the operating rod hits the upper surface of the stopper and prevents it from being pushed too much, It is possible to prevent the tact switch from being damaged by pushing the knob too much.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view showing a state in which a main board of a switch device according to an embodiment of the present invention is positioned rearward.

FIG. 2 is a perspective view of the same.

FIG. 3 is a vertical cross-sectional view showing a state where the main board is positioned forward.

FIG. 4 is a perspective view of the same.

FIG. 5 is a horizontal cross-sectional view showing a modified example of the main board fixed state.

FIG. 6 is a vertical cross-sectional view of the modified example.

FIG. 7 is a perspective view of the modified example.

FIG. 8 is a vertical sectional view showing a state in which the stopper is added.

9 is a view taken along the line CC of FIG.

FIG. 10 is a vertical cross-sectional view showing a state in which a main substrate of a switch device according to another embodiment of the present invention is positioned rearward.

FIG. 11 is a front view of a so-called tele-video.

FIG. 12 is a horizontal sectional view of the same.

FIG. 13 is a vertical cross-sectional view of a switch device using a conventional long operating rod.

FIG. 14 is a view on arrow D-D of FIG. 13.

FIG. 15 is a vertical cross-sectional view of a switch device using the short operating rod.

[Explanation of symbols]

1 television receiver 2 Magnetic tape device 3 housing 3a Front panel of housing 4 Switch for television receiver 4a-4e knob 5 Switch for magnetic tape unit 5a-5e knob 7 Tact switch 8 main board 10 screws 17 Comb-shaped slit 18a Vertical groove of comb-like slit 18b Lateral groove of comb-like slit 19 Operation rod 20 Lower surface of operating rod 20a Tip side lower surface 20b Base end side lower surface 22 Locking piece 22a locking recess 23 Gate type slit 24 stopper 24a Top surface of stopper A rear position B front position L1 long L2 short length O Bottom center

Claims (5)

[Scope of utility model registration request] 1. A television receiver switch and a magnetic tape are provided on a front panel of the casing of a magnetic tape device-integrated television receiver in which a television receiver and a magnetic tape device are housed in a synthetic resin casing. A switch part for the device is provided, and each switch part is cut by forming a comb-shaped slit formed on the front panel by a horizontal groove and a plurality of vertical grooves extending downward from the horizontal groove in parallel at a predetermined interval. A plurality of remaining elastic levers are provided, a knob is integrally formed at the tip of each elastic lever, and a main board having a tact switch facing each knob is positioned rearward or forward in the housing. Corresponding to the positioning of the board rearward, a long operating rod is projected on the back surface of each knob, and corresponding to positioning the main board forward, In the switch device in which a short operating rod is provided on the back surface so that the elastic lever is elastically deformed based on the pressing operation of each of the knobs and each tact switch is turned on / off by each operating rod, In place of the front panel equipped with a long operating rod and the front panel equipped with a short operating rod, an operating rod having a stepped lower surface in which the lower surface on the distal end side is raised and the lower surface on the proximal end side is lowered with the center of the lower surface as a boundary. A front panel is provided, and when the main board is positioned rearward in the housing, the tact switches are turned on / off by the lower surface on the tip side of each operating rod, and the main board is positioned in the front of the housing. It is formed so that each tactile switch can be turned on and off by the lower surface of the base end side of each operating rod, and a plurality of locking pieces are provided at predetermined intervals on the back surface of the front panel. Is formed with a locking recess for fitting the front edge of the main board positioned forward, and the upper surface of the stopper left uncut by forming a gate-shaped slit in each elastic lever is the base end side of the operating rod. A switch device which is close to a lower surface with a predetermined space. 2. A synthetic resin casing having a displaceable knob, and a tact switch mounted on a main board inside the casing so as to face an operating rod projecting on a rear surface of the knob. In a switch device in which a tact switch is turned on / off through a control rod by pressing a knob, the bottom face of the control rod is raised toward the bottom face with the center of the bottom face as a boundary. The lower surface is formed in a stepped shape so that when the main board is positioned rearward in the housing, the tact switch is turned on / off by the lower surface on the tip side of the operating rod, and the main board is moved forward in the housing. The switch device is characterized in that the tact switch is turned on and off by the lower surface of the operating rod on the base end side when positioned. 3. A synthetic resin casing has a knob displaceably provided, and a tact switch is mounted on a main board inside the casing so as to face an operating rod protruding from the back surface of the knob. In the switch device in which the tact switch is turned on / off through the operating rod by pressing the knob, the lower surface of the operating rod is inclined upward from the base end side to the distal end side. , When the main board is positioned rearward in the housing, the tact switch is turned on and off by the lower surface on the front end side of the operating rod, and when the main board is positioned forward in the housing, the lower surface on the proximal end side of the operating rod is used. A switch device characterized in that a tact switch is turned on / off. 4. A plurality of locking pieces are projectingly provided on the back surface of the housing at predetermined intervals, and the locking pieces are fitted to the front edge of the main board positioned forward. The switch device according to claim 2 or 3, wherein a recess is formed. 5. The knob is integrally formed at the tip of an elastic lever left uncut by forming a comb-like slit in the housing, and the uncut left by forming a gate-shaped slit in the elastic lever. The switch device according to any one of claims 2 to 4, wherein the upper surface of the stopper is close to the lower surface of the operating rod at a predetermined interval.