JP2010272371A - Table tap - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a table tap to suppress reduction of appearance by an On-state and an Off-state at a power supply switch in the table tap having the power supply switch. <P>SOLUTION: The table tap 1 has a tap body part 10 to constitute the outer frame, a cable part 20 connected to the tap body part 10 and the exterior power supply, and a plurality of power supply switches which are housed in the tap body part 10 and switches the on-state and the off-state of a power supply to a plug blade insertion through part 40 from a cable part 20. As this power supply switch, a push-button type switch having an operation button 31a for the purpose of push operation is used. At the operation buttons 31a, an operation face 31a5 with which fingers of a user are contacted becomes to have the same plane with the upper face of the tap body part 10 when the power switch is in the off-state, and becomes to have a different position from the upper face of the tap body part when the power switch is in the on-state. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention mainly includes a tap main body part that constitutes an outer frame, a plug blade insertion part that is provided in the tap main body part and has a plug blade insertion port for inserting a plug blade of the plug, and a tap main body part. The present invention relates to a table tap including a cable portion connected to an external power source, and a plurality of power switches that are housed in the tap main body portion and switch on and off states of power supply from the cable portion to the plug blade insertion portion.

  Generally, the table tap is provided with a power switch for turning on and off the power supply from the cable part to the plug blade insertion part by swinging the handle (for example, Patent Document 1). reference).

The structure of the conventional table tap 100 will be described with reference to FIG.
As shown in FIG. 11, the table tap 100 is provided with a rectangular parallelepiped tap main body 110 constituting an outer frame. The tap main body 110 is provided with a swing handle 160 for three power switches 120 (see FIG. 13) at predetermined intervals in the longitudinal direction. These power switches 120 are so-called tumbler switches in which the power switch 120 is switched between an on state and an off state when the user pushes the swing handle 160.

  The swing handle 160 pushes the front side of the swing handle 160 in the longitudinal direction downward when the power switch 120 is turned on, and the swing handle 160 when the power switch 120 is turned off. The back side in the longitudinal direction is pushed downward. Thus, when the power switch 120 is in the ON state, as shown in FIG. 12, the swing handle 160 is maintained in an inclined state so that the front side in the longitudinal direction is downward and the back side in the longitudinal direction is upward. Become so. On the other hand, when the power switch 120 is in the OFF state, the swing handle 160 is maintained in an inclined state so that the front side in the longitudinal direction is upward and the back side in the longitudinal direction is downward.

JP 2007-103256 A

  Incidentally, in the above-described conventional table tap 100, the swing handle 160 protrudes from the upper surface 111 of the tap main body 110 regardless of whether the power switch 120 is on or off. As a result, the aesthetics of the table tap 100 have deteriorated regardless of whether the power switch 120 is on or off.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a table tap having a power switch that suppresses a decrease in aesthetics when the power switch is on or off. There is to do.

In the following, means for achieving the above object and its effects are described.
(1) The invention according to claim 1 is a tap body insertion portion having a tap body portion constituting an outer frame, a plug blade insertion port provided in the tap body portion and for inserting a plug blade of the plug, A cable part connected to the tap body part and connected to an external power source, and a plurality of power supplies that are housed in the tap body part and switch on and off states of power supply from the cable part to the plug blade insertion part A table tap having a switch has an operation button for pressing as the power switch, and is maintained in a state after the operation button is pressed after the operation button is pressed. After the operation button is pushed, a lock-type push button switch is used in which the operation button returns to its original position. The operation surface that is touched when the user pushes the operation button is When the power switch is in an off state, the tap body portion is flush with one of the outer surfaces of the plurality of outer surfaces, and when the power switch is in the on state, the one outer surface of the tap body portion The gist is to be in a different position.

  According to the present invention, when the power switch is in the off state, the operation surface and one outer surface of the tap main body are flush with each other. As compared with the structure protruding from the outer surface, it is possible to suppress a decrease in the aesthetics of the table tap.

  (2) The invention according to claim 2 is a tap body insertion portion having a tap body portion constituting an outer frame, a plug blade insertion port provided in the tap body portion and for inserting a plug blade of the plug, A cable part connected to the tap body part and connected to an external power source, and a plurality of power supplies that are housed in the tap body part and switch on and off states of power supply from the cable part to the plug blade insertion part A table tap having a switch has an operation button for pressing as the power switch, and is maintained in a state after the operation button is pressed after the operation button is pressed. After the operation button is pushed, a lock-type push button switch is used in which the operation button returns to its original position. The operation surface that is touched when the user pushes the operation button is When the power source switch is in an on state, the tap body portion is flush with one outer surface of the plurality of outer surfaces constituting the tap body portion, and when the power switch is in an off state, the one outer surface of the tap body portion The gist is to be in a different position.

  According to the present invention, when the power switch is on, the operation surface and one outer surface of the tap main body are flush with each other. Therefore, when the power switch is on, the operation surface is one of the tap main body. As compared with the structure protruding from the outer surface, it is possible to suppress a decrease in the aesthetics of the table tap.

  (3) The invention described in claim 3 is the table tap according to claim 1 or 2, wherein the plug blade insertion portion and the operation surface are a plurality of outer surfaces constituting the tap body portion. The gist is that they are provided on different outer surfaces.

  According to the present invention, in the table tap, the operation surface of the power switch may be pushed in a state where the plug blade of the plug is inserted into the plug blade insertion portion. At this time, when the plug blade insertion portion and the operation surface are provided on the same outer surface of the tap main body portion, the operability of the pressing operation on the operation surface is reduced due to the presence of the plug. In that respect, in the present invention, since the plug blade insertion portion and the operation surface are provided on different outer surfaces of the tap main body portion, it is possible to suppress deterioration in operability of the operation surface pressing operation.

  (4) The invention according to claim 4 is the table tap according to any one of claims 1 to 3, wherein the tap body portion displays an on state and an off state of the power switch. The gist is that a display unit is provided.

  According to the present invention, since the position of the operation surface does not change between when the power switch is on and when it is off, it may be unclear whether the power switch is on or off. In that respect, in the present invention, by providing the display portion, the on state and the off state of the power switch can be clearly recognized.

  (5) The invention according to claim 5 is the table tap according to claim 4, wherein the display unit has the same outer surface as the outer surface on which the operation surface is provided among the plurality of outer surfaces constituting the tap main body. The main point is that it is provided.

  According to the present invention, compared with the case where the display unit and the operation surface are provided on different outer surfaces of the tap main body unit, the correspondence relationship between the operation surface and the display unit can be easily understood, and the display unit can be easily configured. It can be visually recognized.

  ADVANTAGE OF THE INVENTION According to this invention, in the table tap which has a some power switch, the table tap which suppresses the fall of the aesthetics in the ON state and OFF state of a power switch can be provided.

The perspective view which shows the perspective structure of the table tap about 1st Embodiment which actualized the table tap of this invention. The 4th page figure which shows the front structure of the same table tap, a planar structure, a lower surface structure, and a side surface structure about the table tap of the embodiment. The perspective view which shows the perspective structure in case the power switch is an ON state and an OFF state about the table tap of the embodiment. Sectional drawing which shows the XX cross section of the table tap of FIG. 2 about the table tap of the embodiment. Regarding the power switch of the embodiment, (a) a cross-sectional view showing a cross-sectional structure of the power switch in an off state, and (b) a cross-sectional view showing a cross section taken along line X1-X1 of the power switch. Regarding the power switch of the embodiment, (a) a cross-sectional view showing a cross-sectional structure of the power switch in an on state, and (b) a cross-sectional view showing a cross section taken along line X1-X1 of the power switch. The top view which shows the relationship between a cam pin wire and a heart cam when a power switch changes from an OFF state to an ON state and an ON state to an OFF state about the power switch of the embodiment. The perspective view which shows the perspective structure of the table tap about 2nd Embodiment which actualized the table tap of this invention. The 4th page figure which shows the front structure of the same table tap, a planar structure, a lower surface structure, and a side surface structure about the table tap of the embodiment. The side view which shows the side structure of a power switch being an ON state about the table tap of the embodiment. The perspective view which shows the perspective structure of the table tap about the conventional table tap. The perspective view which shows the perspective structure when the power switch of the both sides in the table tap is an ON state, and the center power switch is an OFF state about the conventional table tap. Sectional drawing which shows the YY cross section of the table tap of FIG. 12 about the conventional table tap. The side view which shows the side structure of the table tap of FIG. 12 about the conventional table tap.

(First embodiment)
With reference to FIGS. 1-7, 1st Embodiment which actualized the table tap of this invention is described.

  As shown in FIG. 1, the table tap 1 is connected to a rectangular parallelepiped tap main body 10 constituting an outer frame of the table tap 1 with a cable portion 20 for supplying power from an external power source. In the tap main body 10, there are a blade receiving portion 40 for electrical connection with the plug blade of the plug, and an electric conduction for power supply between the cable portion 20 and the blade receiving portion 40 (hereinafter referred to as “on”). A power switch 30 having an operation unit 31 for switching between “state”) and shut-off (hereinafter “off state”) is housed. Further, the table tap 1 is provided with a display unit 50 that indicates the on state and the off state of the power switch 30.

  Hereinafter, the longitudinal direction of the tap body 10 is referred to as “longitudinal direction”, the short direction of the tap body 10 is referred to as “short direction”, and the direction perpendicular to the longitudinal direction and the short direction is “vertical direction”. And In the longitudinal direction, the side on which the cable portion 20 is disposed is referred to as “back side”, and the opposite side is referred to as “front side”. In the short direction, the side on which the cable portion 20 is disposed is referred to as “back side”, and the opposite side is referred to as “front side”. Further, in the vertical direction, the side on which the operation unit 31 of the power switch 30 is provided is referred to as “upper side”, and the opposite side is referred to as “lower side”.

  As shown in FIG. 2, the tap body 10 is configured by fitting a cover 11 that opens downward in the vertical direction and a body 12 that opens upward in the vertical direction. The cover 11 and the body 12 are formed so that their outer shapes are the same. The relationship between the dimensions of the tap body 10 is that the length L1 in the longitudinal direction is the largest, followed by the length L2 in the short direction and the height L3 in the vertical direction (L1> L2> L3). That is, the tap main body 10 is formed in a flat shape in the vertical direction. And the operation part 31 is arrange | positioned on the upper side of the up-down direction of the tap main-body part 10 in the aspect exposed from the same tap main-body part 10. FIG.

  The cover 11 is provided with three button insertion portions 13 on the upper surface 11a thereof at predetermined intervals in the longitudinal direction. Each of these button insertion portions 13 penetrates in the vertical direction and is formed as a circular through hole in plan view. The operation part 31 of the power switch 30 is inserted in each of these button insertion parts 13. The first side surface 11b on the near side in the short direction of the cover 11 is provided with a first blade receiving portion 14 for inserting a concave blade receiving portion 40 that is recessed upward in the vertical direction. .

  In addition, three openings 17 are provided in the upper surface 11a with a predetermined interval in the longitudinal direction. Each of these openings 17 penetrates in the vertical direction and is formed as a rectangular through hole in plan view. Each of these openings 17 is provided at a position corresponding to each power switch 30. Specifically, the opening 17 is on the near side in the short direction with respect to each power switch 30, and the center C1 of the operation surface 31a5 of the power switch 30 and the center C2 of the opening 17 are in the longitudinal direction. It is provided where it matches. A display cover 18 made of a transparent resin material is fixed to each opening 17.

Moreover, the outer surface shape of the cover 11 is formed in the following manner.
That is, parts other than the button insertion part 13 and the opening part 17 in the upper surface 11a of the cover 11 are formed in the plane along a longitudinal direction and a transversal direction. Moreover, parts other than the 1st blade acceptance part 14 in the 1st side surface 11b of the cover 11 are formed in the plane along a longitudinal direction and an up-down direction. And the 2nd side surface 11c on the opposite side of a transversal direction with respect to the 1st side surface 11b is formed in the plane along a longitudinal direction and an up-down direction. Further, the third side surface 11d and the fourth side surface 11e, which are side surfaces in the longitudinal direction of the cover 11, are formed by planes along the short side direction and the vertical direction.

  The body 12 is provided with a second blade receiving portion 15 for inserting a concave blade receiving portion 40 that is recessed downward in the vertical direction on the first side surface 12b on the near side in the short direction. . The first blade receiving portion 14 and the second blade receiving portion 15 constitute a blade receiving portion 16 that is a through-hole penetrating the tap main body portion 10 in the short direction and is inserted through the blade receiving portion 40. Yes.

The outer surface shape of the body 12 is formed in the following manner.
That is, the lower surface 12a, which is the lower surface of the body 12 in the vertical direction, is formed by a plane along the longitudinal direction and the short direction. Moreover, parts other than the 2nd blade insertion part 15 in the 1st side surface 12b of the body 12 are formed in the plane along a longitudinal direction and an up-down direction. And the 2nd side surface 12c on the opposite side to a transversal direction with respect to the 1st side surface 12b is formed in the plane along a longitudinal direction and an up-down direction. The third side surface 12d and the fourth side surface 12e, which are side surfaces in the longitudinal direction of the body 12, are formed by planes along the short side direction and the vertical direction.

Next, the outer surface shape of the tap body 10 is formed in the following manner by the outer surface shapes of the cover 11 and the body 12.
That is, since the upper surface 11a of the cover 11 corresponds to the upper surface of the tap main body 10, the upper surface of the tap main body 10 is formed in a planar shape. Further, since the lower surface 12a of the body 12 corresponds to the lower surface of the tap body 10, the lower surface of the tap body 10 is formed in a planar shape. Further, since the first side surfaces 11b and 12b, the second side surfaces 11c and 12c, the third side surfaces 11d and 12d, and the fourth side surfaces 11e and 12e correspond to the side surfaces of the tap main body portion 10, respectively, the side surfaces of the tap main body portion 10 are respectively It will be formed in a planar shape.

  Next, the appearance of the power switch 30 in the on state and the off state will be described with reference to FIG. In the drawing, one power switch 30 on the near side in the longitudinal direction shows an off state, and two power switches 30 on the center and the back side in the longitudinal direction in the figure show an on state.

  When the user of the operation unit 31 of the power switch 30 performs a pressing operation when the power switch 30 is in the off state, for example, the operation surface 31a5 with which the user's finger (not shown) comes into contact is vertically positioned on the cover 11. It is formed to be the same as the vertical position of the upper surface 11a. That is, the operation surface 31a5 and the upper surface 11a of the cover 11 are flush with each other.

  On the other hand, when the power switch 30 is in the on state, the operation surface 31a5 is pushed by the operation button 31a when the power switch 30 is in the off state, so that the vertical position is higher than the vertical position of the upper surface 11a of the cover 11. It is formed to be on the lower side.

  The outer diameter R1 of the operation surface 31a5 is approximately half the length L1 of the tap body 10 in the short direction. As a result, the user can easily perform the pressing operation of the operation surface 31a5, so that the operability of the pressing operation of the operation unit 31 of the power switch 30 is improved.

  Further, the distance D1 connecting the centers C1 of the operation surface 31a5 and the center operation surface 31a5 in the longitudinal direction and the centers C1 of the operation surface 31a5 in the center and the operation surface 31a5 on the near side in the longitudinal direction are connected. The distance D2 is equal to each other.

  The blade receiving portion 40 is a plug blade insertion portion 41 for inserting a plug blade (not shown) of the plug, and a blade holder that is disposed on the back side in the short direction from the plug blade insertion portion 41 and holds the plug blade. It is comprised by the member (not shown).

  The plug blade insertion portion 41 has a main body portion 41a attached to the blade receiving insertion portion 16 and a plug blade insertion port which is a through hole provided in the main body portion 41a and penetrating in the short direction for inserting the plug blade. 41b.

  The display unit 50 is provided with a contact (not shown) that can switch between electrical connection and disconnection with the power switch 30 in conjunction with the pressing operation of the operation unit 31 of the power switch 30. A circuit board (not shown) that can be switched between electrical continuity and interruption by switching between contact and separation is disposed at the opposite end of the power switch 30 in the contact. A lamp (not shown) such as a neon lamp is mounted on the circuit board. With the above configuration, when the power switch 30 is turned on, the lamp comes on when the contact and the circuit board come into contact with each other. On the other hand, when the power switch 30 is turned off, the lamp is turned off by separating the contact and the circuit board.

  Therefore, when the power switch 30 is in the on state, the user can recognize that the power switch 30 is in the on state by visually confirming the lighting of the lamp through the display cover body 18 of the cover 11. Further, when the power switch 30 is in the off state, the user can recognize that the power switch 30 is in the off state by confirming that the lamp is turned off via the display cover body 18.

  As shown in FIG. 4, the power switch 30 is a pushbutton switch that pushes the operation unit 31 in the up and down direction, and the on state is maintained after the operation unit 31 is pushed once to turn it on. A so-called alternate operation method is used in which the off state is maintained once the operation unit 31 is pushed to turn it off. The power switch 30 is a lock that maintains the state of the operation button 31a after the operation button 31a is pressed, and returns the operation button 31a to its original position after the operation button 31a is pressed again. The formula is used. The power switch 30 includes a case 33 that forms an outer frame disposed on the circuit board 32, and the operation unit 31, the terminal unit 34, and the opening / closing unit 35 that are housed in the case 33. .

  The operation unit 31 is provided with an operation button 31a configured integrally with an outer cylindrical portion 31a1 and a lid portion 31a2 that covers the upper end portion of the outer cylindrical portion 31a1. A concentric inner cylindrical portion 31a3 is provided inside the outer cylindrical portion 31a1 of the operation button 31a. An outer coil spring 31b is attached between the inner cylindrical portion 31a3 and the outer cylindrical portion 31a1 on the lower surface of the lid portion 31a2 so as to be housed in the outer cylindrical portion 31a1.

  A heart cam 31a4 is provided at the lower portion in the vertical direction of the outer cylindrical portion 31a1. A cam pin wire 31c that restricts the vertical movement of the operation button 31a is attached to the heart cam 31a4. The cam pin wire 31c is formed in a substantially C shape in a plan view from the vertical direction. The operation surface 31a5 is provided as an upper surface in the vertical direction of the lid portion 31a2.

  The circuit board 32 is provided with a blade receiving side land 32b electrically connected to the blade receiving portion and a cable side land 32c electrically connected to the cable portion 20 on the upper surface 32a. In these, the blade receiving side land 32b and the cable side land 32c are made of, for example, copper foil.

  The case 33 is provided with an outer peripheral wall portion 33a that is close to the outer cylindrical portion 31a1 of the operation portion 31 and allows the outer cylindrical portion 31a1 to be inserted therethrough, and an inner peripheral wall portion 33b that is provided inside the outer peripheral wall portion 33a. It has been. The inner peripheral wall portion 33b is attached in such a manner that the outer coil spring 31b is fitted to the outer peripheral surface of the inner peripheral wall portion 33b.

  The terminal portion 34 is provided with a cable connection terminal 34 a connected to the cable portion 20 and a blade receiving connection terminal (not shown) connected to the blade receiving portion 40. The cable connection terminal 34a is configured with the cable connection terminals provided in the three power switches 30 as a common single member. The cable connection terminal 34a and the blade receiving connection terminal are electrically connected to the cable side land 32c and the blade receiving side land 32b, respectively. Thereby, the electric power of the cable part 20 is supplied to the cable side land 32c via the cable connection terminal 34a. The plug blade of the plug is electrically connected to the blade receiving side land 32b through the blade receiving connection terminal by fitting with the blade receiving connection terminal.

  The opening / closing part 35 includes a first opening / closing part 35a attached to the operation button 31a, and a second opening / closing part 35b provided on the lower side in the vertical direction of the first opening / closing part 35a and attached to the circuit board 32. .

  The first opening / closing portion 35a includes an inner coil spring 35c housed in the inner cylindrical portion 31a3 inside the inner cylindrical portion 31a3 on the lower surface of the lid portion 31a2, and a first pressing member 35d attached to the inner coil spring 35c. And are provided.

  The first pressing member 35d is provided with a cylindrical portion 35d1 that houses the inner coil spring 35c. A pressing portion 35d2 for covering the cylindrical portion 35d1 from the lower side in the vertical direction and pressing the second pressing member 35e is provided at the lower end portion in the vertical direction of the cylindrical portion 35d1.

  The second opening / closing portion 35b is provided on the upper surface 32a of the circuit board 32, and is attached to the lower surface of the second pressing member 35e and a second pressing member 35e that is movable in the vertical direction by the action of the first pressing member 35d. The conductive member 35f is a conductive member.

  The conductive member 35f is provided with a lower surface 35f1 having an area in which both the blade receiving side land 32b and the cable side land 32c can contact each other. That is, the conducting member 35f plays a role of conducting the blade receiving side land 32b and the cable side land 32c to each other.

  The second pressing member 35 e is provided with an annular base 35 e 1 provided on the upper surface 32 a of the circuit board 32. The base portion 35e1 is provided with an annular support portion 35e2 that extends inward from the top in the vertical direction of the base portion 35e1. At the inner edge of the support portion 35e2, a pressed portion 35e3 that comes into contact with the pressing portion 35d2 of the first pressing member 35d is provided. The conducting member 35f is attached to the lower surface of the pressed portion 35e3.

  Next, with reference to FIG.5 and FIG.6, the aspect of the OFF state of the power switch 30 and an ON state is demonstrated. 5 shows the power switch 30 in the off state, FIG. 6 shows the power switch 30 in the on state, and the broken line in the figure indicates the position where the operation button 31a is in the off state.

  As shown in FIG. 5A, when the power switch 30 is in the OFF state, the first pressing member 35d and the second pressing member 35e are separated from each other in the vertical direction with a predetermined interval. Thereby, since the 2nd press member 35e is not pressed by the 1st press member 35d, the conduction member 35f, the blade receiving side land 32b, and the cable side land 32c will be in the state spaced apart by the predetermined interval in the up-down direction. . Therefore, the blade receiving side land 32b and the cable side land 32c are separated from each other, and the cable connection terminal 34a (see FIG. 4) and the blade receiving connection terminal are electrically disconnected from each other.

  As shown in FIG. 5B, an engaging projection 31a6 is provided at the lower end in the vertical direction of the outer cylindrical portion 31a1 of the operation button 31a. Two engagement protrusions 31a6 are provided at a predetermined interval in the circumferential direction of the outer cylindrical portion 31a1. Further, the outer peripheral wall portion 33a of the case 33 is provided with an engagement groove 33a1 for engaging with the engagement protrusion 31a6.

  Due to the engagement relationship between the engagement protrusions 31a6 and the engagement grooves 33a1, the vertical position of the operation button 31a is maintained against the force that biases the outer coil spring 31b upward in the vertical direction. Specifically, the biasing force of the outer coil spring 31b is received by the upper surface of the engagement protrusion 31a6 coming into contact with the lower surface of the engagement groove 33a1. Thereby, the vertical position of the operation button 31a is maintained.

  Further, an annular engagement protrusion 35d3 protruding outward is provided at the center in the vertical direction of the cylindrical portion 35d1 of the first pressing member 35d. Further, the inner cylindrical portion 31a3 of the operation button 31a is provided with an engagement groove 31a7 for engaging with the engagement protrusion 35d3. As a result, the vertical position of the first pressing member 35d with respect to the operation button 31a is maintained against the force urging the inner coil spring 35c downward in the vertical direction. Specifically, the biasing force of the inner coil spring 35c is received by the lower surface of the engagement protrusion 35d3 coming into contact with the upper surface of the engagement groove 31a7. Thereby, the vertical position of the first pressing member 35d is maintained.

  On the other hand, as shown in FIG. 6A, when the power switch 30 is in the ON state, the first pressing member 35d presses the second pressing member 35e downward in the vertical direction. As a result, the second pressing member 35e moves downward in the vertical direction, so that the conductive member 35f, the blade receiving side land 32b, and the cable side land 32c are in contact with each other. Therefore, the blade receiving side land 32b and the cable side land 32c are electrically connected, and the cable connecting terminal 34a (see FIG. 4) and the blade receiving connection terminal are electrically connected to each other.

  Further, the button insertion portion 13 of the cover 11 is provided with a lower cylindrical portion 13a that extends downward in the vertical direction. Here, the size of the inner diameter defined by the inner peripheral surface of the lower cylindrical portion 13 a is substantially the same as the size of the inner diameter defined by the inner peripheral surface of the outer peripheral wall portion 33 a of the case 33. The lower cylindrical portion 13a and the outer peripheral wall portion 33a are provided so as to be close to the outer cylindrical portion 31a1 of the operation button 31a. Thereby, when the user pushes the operation button 31a, even if the operation button 31a is inclined with respect to the vertical direction, the inclination is regulated by contacting the lower cylindrical portion 13a and the outer peripheral wall portion 33a. The Thereby, the operativity of the operation part 31 can be improved.

  As shown in FIG. 6B, in this state, the outer spring 31b is compressed by the pressing operation of the operation button 31a, so that the upper surface of the engaging protrusion 31a6 of the operation button 31a and the engaging groove 33a1 of the case 33 are compressed. A predetermined interval is formed between the lower surface and the upper surface in the vertical direction. Further, since the inner spring 31c is compressed by the reaction force of the first pressing member 35d against the second pressing member 35e, the upper surface of the engaging groove 31a7 of the operation button 31a and the engaging protrusion 35d3 of the first pressing member 35d. A predetermined gap is formed between the upper and lower directions. By maintaining these states, the state in which the operation surface 31a5 is positioned below the upper surface 11a of the cover 11 in the vertical direction is maintained.

  Next, with reference to FIG. 7, the aspect of the heart cam 31a4 and the cam pin wire 31c accompanying the transition of the power switch 30 in the off state and the on state will be described. 7 (a) and 7 (b) show aspects of the heart cam 31a4 and the cam pin wire 31c when the power switch 30 changes from the off state to the on state, and FIG. 7 (c) shows the power switch. The aspect of the heart cam 31a4 and the cam pin wire 31c when 30 changes from an ON state to an OFF state is shown.

  As shown in FIG. 7A, when the power switch 30 is in the OFF state, the cam pin wire 31c is positioned below the vertical direction of the heart cam 31a4. As the operation button 31a is pushed, the heart cam 31a4 moves downward in the vertical direction, so that the cam pin wire 31c is positioned at the first locking point CP1 of the heart cam 31a4.

  As shown in FIG. 7B, after the operation button 31a is pressed, the heart cam 31a4 is moved upward in the vertical direction by the force that biases the outer coil spring 31b (see FIG. 6) upward in the vertical direction. Accordingly, the cam pin wire 31c comes to a position in contact with a step portion 31a8 provided at the center of the heart cam 31a4 from a lower position in the vertical direction of the heart cam 31a4. Thereby, the energizing force of the outer coil spring 31b is received by the cam pin wire 31c and the step portion 31a8. Therefore, the vertical position of the operation button 31a is maintained (that is, the operation button 31a is maintained in the state shown in FIG. 6). Thereby, the ON state of the power switch 30 is maintained.

  As shown in FIG. 7 (c), when the operation button 31a is pressed again from the state of FIG. 7 (b), the heart cam 31a4 moves downward in the vertical direction, so that the cam pin wire 31c has a step portion 31a8. To the second locking point CP2 provided on the heart cam 31a4. Then, after the user presses the operation button 31a, when the user releases his / her finger from the operation surface 31a5, the heart cam 31a4 is moved upward in the vertical direction by the force biased upward in the vertical direction of the outer coil spring 31b. Accordingly, the cam pin wire 31c comes to be positioned on the lower side in the vertical direction of the heart cam 31a4 in the state of FIG. 7A from the second locking point CP2. Thereby, the OFF state of the power switch 30 is maintained.

Next, referring to FIGS. 1 to 3, 13, and 14, a comparison of the operation parts of the power switch between the table tap 1 of the present embodiment and the conventional table tap 100 will be described.
The structure of the power switch 120 of the conventional table tap 100 will be described with reference to FIG.

  The power switch 120 is a tumbler type power switch in which the swing handle 160 is swung by a pressing operation, and the power switch 120 is switched between an on state and an off state. The power switch 120 includes a main body 130 constituting an outer frame, a terminal unit 140 and an opening / closing unit 150 housed in the main body 130, and a swing handle 160 that is an operation unit that performs a pressing operation of the power switch 120. It is comprised by.

The terminal portion 140 is provided with a cable connection terminal 141 connected to the cable portion 101 of the table tap 100 and a blade receiving connection terminal 142 connected to the blade receiving portion.
The opening / closing part 150 is provided with an opening / closing element 151 having a U-shaped cross section that contacts the blade receiving connection terminal 142 and switches between contact and separation with the cable connection terminal 141. The opening / closing element 151 is fitted with the lower part of the coil spring 152 in the vertical direction. A swing handle 160 is attached to the upper end of the coil spring 152 in the vertical direction.

  When the power switch 120 is in the off state, as shown in the center power switch 120 in the figure, the swing handle 160 is inclined downward in the vertical direction as it goes toward the back side in the longitudinal direction. . As the swing handle 160 is tilted, the coil spring 152 tilts downward in the vertical direction as it approaches the front side in the longitudinal direction. The open / close element 151 fitted with the coil spring 152 has its upper end in the vertical direction inclined toward the front side in the longitudinal direction as the coil spring 152 is inclined. As a result, the opening / closing element 151 and the cable connection terminal 141 are separated from each other. Accordingly, the cable connection terminal 141 and the blade receiving connection terminal 142 are separated from each other and are electrically disconnected.

  When the power switch 120 is in the ON state, as shown in the power switch 120 on both sides in the longitudinal direction in the figure, the swing handle 160 is inclined downward in the vertical direction as it goes toward the front side in the longitudinal direction. It has become. As the swing handle 160 is tilted, the coil spring 152 is tilted downward in the vertical direction as it goes to the far side in the longitudinal direction. As the coil spring 152 is inclined, the upper and lower ends of the opening / closing element 151 are inclined to the far side in the longitudinal direction. As a result, the opening / closing element 151 and the cable connection terminal 141 come into contact with each other. Therefore, the cable connection terminal 141 and the blade receiving connection terminal 142 come into contact with each other, and electrical conduction is achieved.

  By the way, in order to push the swing handle 160, it is necessary to rotate the swing handle 160 until the opening / closing element 151 is connected to or separated from the cable connection terminal 141. The end of the direction must be pushed. In such an operation mode, as shown in FIG. 14, regardless of whether the power switch 120 is on or off, the swing handle 160 is not structured to protrude from the upper surface 111 of the tap main body 110 by a predetermined amount H1. The pushing operation is difficult. However, when the swing handle 160 is configured to protrude by a predetermined amount H1 from the upper surface 111 of the tap body 110 as described above, there is a problem that the aesthetic appearance of the table tap 100 is deteriorated. Further, in the above-described structure, the user's finger or object is likely to come into contact with the swing handle 160, so that the swing handle 160 may malfunction.

  For example, as shown in FIG. 12, when the power switches 120 on both sides in the longitudinal direction among the three power switches 120 are in the on state and the power switch 120 in the center in the longitudinal direction is in the off state, The inclination of the moving handle 160 is different. Therefore, there has been a problem that the aesthetics of the table tap 100 is further deteriorated. This is not limited to the on and off states of the power switch 120 as shown in FIG. 12, and the same can be said for other cases in the on and off states of the power switch 120.

  In this regard, in the present embodiment, as shown in FIGS. 1 and 2, since the operation surface 31 a 5 and the upper surface 11 a of the cover 11 are flush with each other when the power switch 30 is in the off state, the power switch 30 In the off state, both the deterioration of the aesthetic appearance and the malfunction of the swing handle 160 can be suppressed.

  Further, particularly in the present embodiment, as shown in FIGS. 1 and 3, when the power switch 30 is on and off, the operation button 31a does not protrude upward in the vertical direction from the upper surface 11a. A malfunction of the operation unit 31 such as a malfunction of the moving handle 160 can be reliably suppressed.

According to the table tap of this embodiment, the following effects can be produced.
(1) According to the present embodiment, a pushbutton switch is used as the power switch 30, and the operation surface 31a5 of the power switch 30 is configured to be flush with the upper surface 11a when the power switch 30 is in the off state. According to this configuration, since the operation surface 31a5 and the upper surface 11a are flush with each other when the power switch 30 is in the off state, the operation surface 31a5 protrudes from the upper surface 11a when the power switch 30 is in the off state or It becomes possible to suppress a decrease in the aesthetics of the table tap 1 as compared with the recessed structure.

  In addition, in the tumbler type switch such as the power switch 120 of the table tap 100, the tilt direction of the swing handle 160 changes. However, since the tilt of the swing handle 160 has the object, There is a problem that it is difficult to recognize the relationship between the inclination direction of the power switch 120 and the on / off state of the power switch 120. In that respect, the position of the operation surface 31a5 with respect to the upper surface 11a can be visually recognized because the position of the operation surface 31a5 with respect to the upper surface 11a differs between the ON state and the OFF state of the power switch 30. Therefore, it is possible to easily confirm the discrimination between the on state and the off state of the power switch 30.

  (2) According to this embodiment, the operation surface 31 a 5 and the plug blade insertion portion 41 are provided on different surfaces of the tap main body portion 10. Therefore, compared to a configuration in which the operation surface 31a5 and the plug blade insertion portion 41 are provided on the same surface of the tap body portion 10, it is possible to suppress a decrease in operability of the operation surface pressing operation.

  (3) According to this embodiment, the display part 50 which shows the ON state and OFF state of the power switch 30 is provided. Therefore, even when the vertical position of the operation surface 31a5 is the same in the off state and the on state of the power switch 30 as in the present embodiment, the on state and off state of the power switch can be clearly recognized. Will be able to.

  (4) According to the present embodiment, the operation surface 31 a 5 and the display unit 50 are provided on the same surface in the tap main body 10. Therefore, compared with the case where the display unit 50 and the operation surface 31a5 are provided on different surfaces of the tap main body unit 10, the correspondence relationship between the operation surface 31a5 and the display unit 50 is easily understood. In addition, since the display unit 50 is provided in the vicinity of the operation surface 31a5, the user can easily view the display unit 50.

  (5) According to the present embodiment, the area of the upper surface 11a of the tap body 10 is formed larger than the area of each side surface, and the operation surface 31a5 is provided on the upper surface 11a. Therefore, compared to the configuration in which the operation surface 31a5 is provided on the side surface of the tap main body 10, the area of the operation surface 31a5 can be formed larger, and the user presses the operation surface 31a5 due to this. The operability to operate can be improved.

  In general, the table tap 1 is often arranged on a desk or the like so that the upper surface 11a is on the upper side in the vertical direction. In such a case, by providing the operation surface 31a5 on the upper surface 11a, the user can improve the operability of pushing the operation surface 31a5.

  (6) According to this embodiment, the outer diameter R1 of the operation surface 31a5 is formed to be approximately half the length L1 of the cover 11 in the short direction. Therefore, the operation surface 31a5 is formed large, and the user can easily push the operation surface 31a5.

  (7) According to this embodiment, the distance D1 connecting the center of the operation surface 31a5 on the far side in the longitudinal direction and the center of the operation surface 31a5 on the center, and the center and center of the operation surface 31a5 on the near side in the longitudinal direction Each operation surface 31a5 is arranged so that the distance D2 connecting the centers of the operation surfaces 31a5 is equal to each other. Therefore, compared to the case where the distances D1 and D2 are different from each other, it is possible to suppress a decrease in aesthetic appearance of the table tap 1.

  (8) According to the present embodiment, the outer coil spring 31b is provided inside the outer cylindrical portion 31a1 of the operation button 31a of the power switch 30 so as to be close to the outer cylindrical portion 31a1. Therefore, since the operation button 31a moves downward in the vertical direction as the outer coil spring 31b is compressed when the operation button 31a is pressed, the same operation is performed regardless of which part of the operation surface 31a5 is pressed. A feeling can be obtained. Therefore, the operability of the operation unit 31 can be improved.

  (9) According to the present embodiment, the center C1 of the operation surface 31a5 and the center C2 of the display unit 50 are the same in the length direction. Accordingly, it is possible to suppress a decrease in the aesthetic appearance of the table tap 1 as compared with a configuration in which the positions of the centers C1 and C2 in the length direction are different from each other.

  (10) According to the present embodiment, the position in the short direction of the cable portion 20 and the position in the short direction of the operation surface 31a5 are substantially the same. Therefore, the shape of the cable connection terminal 34a can be simplified as compared to the case where the positions of the cable portion 20 and the operation surface 31a5 in the short direction are different from each other.

(Second Embodiment)
With reference to FIGS. 8-10, 2nd Embodiment which actualized the table tap of this invention is described. In the present embodiment, the position of the operation surface 31a5 in the vertical direction when the power switch 30 is on and off is different from that of the first embodiment. Hereinafter, in the present embodiment, the same parts as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted.

  As shown in FIGS. 8 and 9, in the table tap 1, the operation surface 31 a 5 protrudes upward in the vertical direction from the upper surface 11 a of the cover 11, which is the upper surface of the tap body 10, when the power switch 30 is off. .

  As shown in FIG. 10, when the power switch 30 is turned on by pressing the operation button 31a from the state of FIG. 9, the operation surface 31a5 and the upper surface 11a of the cover 11 are flush with each other.

  As described above, in this embodiment, when the power switch 30 is in the on state, both the deterioration of the aesthetic appearance and the malfunction of the swing handle 160 that have occurred in the table tap 100 having the conventional structure shown in FIGS. Can be suppressed.

  Further, since a push button type switch is used as the power switch 30, the operation unit 31 is moved only in the vertical direction. Therefore, the power switch 30 can omit the predetermined amount H1 that protrudes from the upper surface 111 of the tap main body 110, which is necessary for rotating the swing handle 160 of the power switch 120. As a result, the power switch 30 sets the protrusion amount H2 (see FIG. 9) from the upper surface 11a of the cover 11 (the upper surface of the tap body 10) smaller than the predetermined amount H1 as compared with the tumbler switch. Can do. Thereby, even when the power switch 30 is in the off state, the malfunction of the swing handle 160 can be suppressed.

  Further, since the operation button 31a only moves in the vertical direction, even if the positions of the operation buttons 31a are different from each other, the swinging caused by the difference between the on state and the off state of the conventional power switch 120 as shown in FIG. A decrease in aesthetics due to the difference in the inclination of the handle 160 can be suppressed.

According to this embodiment, in addition to the effects according to the effects (2) to (10) of the first embodiment, the following effects can be achieved.
(11) According to the present embodiment, a push button type switch is used as the power switch 30, and the operation surface 31a5 of the power switch 30 is configured to be flush with the upper surface 11a when the power switch 30 is in the ON state. According to this configuration, since the operation surface 31a5 and the upper surface 11a are flush with each other when the power switch 30 is in the on state, the operation surface 31a5 protrudes from the upper surface 11a when the power switch 30 is in the on state or It becomes possible to suppress a decrease in the aesthetics of the table tap 1 as compared with the recessed structure.

  In addition, in the tumbler type switch such as the power switch 120 of the table tap 100, the tilt direction of the swing handle 160 changes. However, since the tilt of the swing handle 160 has the object, There is a problem that it is difficult to recognize the relationship between the inclination direction of the power switch 120 and the on / off state of the power switch 120. In that respect, the position of the operation surface 31a5 with respect to the upper surface 11a can be visually recognized because the position of the operation surface 31a5 with respect to the upper surface 11a differs between the ON state and the OFF state of the power switch 30. Therefore, it is possible to easily confirm the discrimination between the on state and the off state of the power switch 30.

(Other embodiments)
The table tap of the present invention is not limited to the above embodiments, and for example, the following changes can be made. Further, the following modification examples are not only applied to the above-described embodiments, but can also be applied to a case where different modification examples are combined with each other.

  In each of the above embodiments, the display unit 50 is provided separately from the operation surface 31a5 of the operation button 31a of the operation unit 31 of the power switch 30, but the arrangement relationship between the operation surface 31a5 and the display unit 50 is not limited thereto. There is no limit. For example, it can also be set as the structure by which the display part 50 is provided in a part of operation surface 31a5.

  In each of the above embodiments, the operation surface 31a5 and the display unit 50 are provided on the same surface of the tap main body unit 10, but the operation surface 31a5 and the display unit 50 may be provided on different surfaces of the tap main body unit 10. it can.

In each of the above embodiments, the display unit 50 is provided on the table tap 1, but the display unit 50 may be omitted.
In each of the above embodiments, the operation surface 31a5 and the plug blade insertion portion 41 are provided on different surfaces of the tap body portion 10, but the operation surface 31a5 and the blade insertion portion 41 are the same surface of the tap body portion 10. It can also be provided.

  In the first embodiment, when the power switch 30 is in the off state, the upper surface 11a of the cover 11 of the tap body 10 and the operation surface 31a5 are flush with each other, and when the power switch 30 is in the on state, the operation surface is more than the upper surface 11a. Although 31a5 was the structure arrange | positioned below the up-down direction, this invention is not limited to this. For example, when the power switch 30 is in the off state, the operation surface 31a5 is disposed below the upper surface 11a relative to the upper surface 11a, and when the power switch 30 is in the on state, the upper surface 11a and the operation surface 31a5 are flush with each other. You can also.

  In the second embodiment, the upper surface 11a of the cover 11 of the tap body 10 and the operation surface 31a5 are flush with each other when the power switch 30 is on, and the operation surface is more than the upper surface 11a when the power switch 30 is off. Although 31a5 was the structure arrange | positioned at the upper side of an up-down direction, this invention is not limited to this. For example, when the power switch 30 is in the on state, the operation surface 31a5 is disposed above the upper surface 11a in the vertical direction, and when the power switch 30 is in the off state, the upper surface 11a and the operation surface 31a5 are flush with each other. You can also.

  In each of the above embodiments, the shape of the operation surface 31a5 is circular in plan view, but the shape of the operation surface 31a5 is not limited to this. The operation surface 31a5 may be polygonal.

  In each of the above embodiments, three power switches 30 and three blade receivers 40 are provided, but the number of power switches 30 and blade receivers 40 is not limited to this. It is sufficient that at least one power switch 30 and blade receiver 40 are provided.

  In the present embodiment, the operation button 31a of the power switch 30 is, for example, a so-called alternate operation type power switch in which the on state is maintained as it is once pressed to turn it on. The power switch of the invention is not limited to this. For example, a power switch of a so-called momentary operation system in which the ON state is maintained during a period in which the operation button 31a is pressed to be in the ON state, and the OFF state is set when the pressing operation is interrupted can be used.

  In each of the above embodiments, one surface of the tap main body 10 and the operation surface 31a5 are configured to be flush with each other. However, the term "surface flush" as used herein means that the one surface and the operation surface 31a5 are complete. It is not only to be formed on the same plane. This includes that the one surface and the operation surface 31a5 are slightly displaced in the vertical direction due to manufacturing errors such as assembly errors and molding errors of each component.

  CP1 ... first locking point, CP2 ... second locking point, 1 ... table tap, 10 ... tap body, 11 ... cover, 11a ... upper surface, 11b ... first side surface, 11c ... second side surface, 11d ... first 3 side surface, 11e ... 4th side surface, 12 ... body, 12a ... 1st side surface, 12b ... 2nd side surface, 12c ... 3rd side surface, 12d ... 4th side surface, 13 ... button insertion part, 14 ... 1st blade receiving insertion , 15 ... second blade receiving / inserting part, 16 ... blade receiving / inserting part, 17 ... display inserting part, 18 ... display cover body, 20 ... cable part, 30 ... power switch, 31 ... operation part, 31a ... operation button, 31a1 ... outer cylindrical portion, 31a2 ... lid portion, 31a3 ... inner cylindrical portion, 31a4 ... heart cam, 31a5 ... operating surface, 31a6 ... engaging protrusion, 31a7 ... engaging groove, 31a8 ... stepped portion, 31b ... outer coil spring, 31c ... cam pin wire, 32 ... circuit Plate, 32a ... Upper surface, 32b ... Blade receiving side land portion, 32c ... Cable side land portion, 33 ... Case, 33a ... Outer peripheral wall portion, 33b ... Inner peripheral wall portion, 34 ... Terminal portion, 34a ... Cable connection terminal, 35 ... Opening / closing part, 35a ... first opening / closing part, 35b ... second opening / closing part, 35c ... inner coil spring, 35d ... first pressing member, 35d1 ... cylindrical part, 35d2 ... pressing part, 35e ... second pressing member, 35e1 ... base 35e2 ... support part, 35e3 ... pressed part, 35f ... conducting member, 35f1 ... bottom surface, 40 ... blade receiving part, 41 ... plug blade insertion part, 41a ... main body part, 41b ... plug blade insertion port, 50 ... display part .

Claims (5)

A tap body part constituting an outer frame, a plug blade insertion part provided on the tap body part and having a plug blade insertion port for inserting a plug blade of the plug, and connected to the tap body part and connected to an external power source In a table tap comprising: a cable part to be turned on; and a plurality of power switches that are housed in the tap body part and switch on and off states of power supply from the cable part to the plug blade insertion part.
As the power switch, there is an operation button for pushing operation, and after the operation button is pushed, the operation button is maintained in the state after being pushed, and the operation button is pushed again. Later, a lock-type pushbutton switch is used in which the operation button returns to its original position.
The operation surface that is contacted when the user presses the operation button is flush with one of the plurality of outer surfaces constituting the tap body when the power switch is in an off state, The table tap, wherein the table tap is located at a position different from the one outer surface of the tap main body when the power switch is in an ON state. A tap body part constituting an outer frame, a plug blade insertion part provided on the tap body part and having a plug blade insertion port for inserting a plug blade of the plug, and connected to the tap body part and connected to an external power source In a table tap comprising: a cable part to be turned on; and a plurality of power switches that are housed in the tap body part and switch on and off states of power supply from the cable part to the plug blade insertion part.
As the power switch, there is an operation button for pushing operation, and after the operation button is pushed, the operation button is maintained in the state after being pushed, and the operation button is pushed again. Later, a lock-type pushbutton switch is used in which the operation button returns to its original position.
The operation surface that is contacted when the user presses the operation button is flush with one of the plurality of outer surfaces constituting the tap body when the power switch is on, The table tap, wherein the table tap is located at a position different from the one outer surface of the tap main body when the power switch is in an OFF state. In the table tap of Claim 1 or Claim 2,
The table tap, wherein the plug blade insertion portion and the operation surface are provided on different outer surfaces among a plurality of outer surfaces constituting the tap body portion. In the table tap as described in any one of Claims 1-3,
The tap main body is provided with a display for displaying an on state and an off state of the power switch. The table tap according to claim 4,
The said display part is provided in the same outer surface as the outer surface in which the said operation surface is provided among the some outer surfaces which comprise the said tap main-body part. The table tap characterized by the above-mentioned.

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