JP2015090834A - Switch - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a technique that makes it possible to fix a switch to a mounting base without increasing the housing size in order to ensure a space for the formation of a mounting hole.SOLUTION: A switch comprises: a mounting hole 12 used for mounting the switch on a device mounting face; and a plurality of terminal parts. The switch is mounted on the device mounting face such that a handle 1 is oriented upward. Among the terminal parts, at least one terminal part, which is used as a first terminal part 2, is formed so as to be located on the right or left side below the handle. Another terminal part, which is used as a second terminal part 4, is formed so as to be located between the first terminal part 2 and a vertical axis orthogonal to the rotary shaft of the handle, above the first terminal part 2, and deviated from the first terminal part 2 in the width direction of a housing composing the switch. In the space defined on the right and left sides of the second terminal part in the width direction of the housing, as a result of this deviation, grooves that are open facing the right and left side faces of the housing are formed as the mounting holes.

Description

  The present invention relates to a switch.

  As a means for fixing a multi-pole switch that opens and closes a multi-pole electric circuit to a mounting base, a mounting hole is formed in a partition provided between adjacent poles, and a mounting screw is attached to the mounting hole formed in this partition. A method of inserting and fixing to the mounting base is widely adopted (for example, FIG. 2 of Patent Document 1).

  On the other hand, like the switch that does not have the above-mentioned “partition provided between adjacent electrodes”, specifically, the switch described in Patent Document 2, the output terminal is moved to either side by operating the handle. In the switch that switches between the two, the output terminal part is formed at the two left and right positions below the handle so as to sandwich the handle, and the input terminal part is formed above one of the output terminals. The above method cannot be adopted, and as an alternative, in order to secure the space for forming the mounting hole, a method of expanding the size of the casing constituting the switch in the longitudinal direction or the width direction is used. ing.

  However, there is a problem that the size of the switch increases when the method of expanding the size of the casing constituting the switch in the longitudinal direction or the width direction is used in order to secure the space for forming the mounting hole. It was.

JP 2011-29083 A Japanese Patent No. 3750981

  The object of the present invention is to solve the above-mentioned problem and fix the switch to the mounting base without increasing the size of the housing for securing the formation space of the mounting hole when fixing the switch to the mounting base. It is to provide the technology that makes it possible.

  The switch of the present invention, which has been made to solve the above problems, includes a mounting hole used for mounting on a device mounting surface and a plurality of terminal portions, and can be mounted with the handle facing upward on the device mounting surface. A switch, wherein at least one terminal portion of the plurality of terminal portions is formed as a first terminal portion at any position on the left and right below the handle, and the other one terminal portion is a second terminal. As a part, the switch is located between the first terminal part and a vertical axis orthogonal to the rotation axis of the handle, and is located above the first terminal part, and a switch is constituted by the first terminal part. Formed in a position shifted in the width direction of the casing, and by shifting the position, left and right sides of the casing are formed as spaces in the left and right sides of the first terminal portion or the second terminal portion in the width direction of the casing. Grooves opened to face each of the side surfaces The one in which the features.

  According to a second aspect of the present invention, in the switch according to the first aspect, the groove portions opened to face the left and right sides of the side surface of the housing are formed in different sizes.

  According to a third aspect of the present invention, in the switch according to the second aspect, the second terminal portion has a smaller groove portion direction among the groove portions of the different sizes than the width direction center line that bisects the housing in the width direction. It is characterized in that it is formed at a position shifted to the position.

  According to a fourth aspect of the present invention, in the switch according to the second aspect, among the different sized groove portions, the large groove portion has two different groove shapes at the upper side and the lower side of the case side surface, It is formed so as to extend vertically, and the small groove part is formed only above the side surface of the housing, and the upper groove shape holds the screw head in a state where the mounting screw is inserted and fixed in the mounting hole. The shape of the lower groove is a shape suitable for penetrating the screw shaft portion in a state where the mounting screw is inserted and fixed in the mounting hole. It is.

  In the switch according to the present invention, the switch includes a mounting hole used for mounting on the device mounting surface and a plurality of terminal portions, and the switch is mounted with the handle facing upward with respect to the device mounting surface. The first terminal portion and the handle are formed by forming at least one terminal portion as a first terminal portion in the left or right position below the handle and using the other one terminal portion as a second terminal portion. Position between the rotation axis and the vertical axis orthogonal to each other, above the first terminal portion, and shifted from the first terminal portion in the width direction of the casing constituting the switch In the space generated in the right and left sides of the first terminal portion or the second terminal portion in the width direction of the housing, the mounting holes are opened to face the left and right side surfaces of the housing. Since the groove is formed, the switch is attached to the mounting base. When constant, without upsizing the housing size for the purpose of ensuring the formation space of the mounting hole, it can be fixed to the mount. In addition, as described in claim 2, the groove portions that open to the left and right sides of the side surface of the housing are formed in different sizes, respectively, and the second terminal portion is configured to have a width of the housing as in claim 3. The insulation distance between the first terminal portion and the second terminal portion is the housing size because the groove portions of the different sizes are shifted in the direction of the smaller groove portion from the center line in the width direction that bisects the direction. It is possible to ensure without having to increase the size.

  As in the invention described in claim 4, the groove portions opened to the left and right sides of the side surface of the housing are formed in different sizes, and the large groove portions are different between the upper side and the lower side of the side surface of the housing. It has various groove shapes and is formed so as to extend up and down the side of the housing. The small groove is formed only above the housing side, and the upper groove is inserted into the mounting hole with a mounting screw. In the fixed state, the shape is suitable for holding the screw head, and the lower groove shape is made to penetrate the screw shaft portion in a state where the mounting screw is inserted and fixed in the mounting hole. When a plurality of switches according to the present invention are used side by side, the groove of one switch and the groove of the other switch face each other so that the mounting hole of the substantially circular mounting screw is formed. By inserting a single mounting screw here It is possible to complete the installation work of both switches.

It is a vertical sectional view of the switching switch concerning the following embodiment. It is operation | movement explanatory drawing in the state which fell the handle to the right side. It is explanatory drawing seen from the handle | steering-wheel upper direction of the switching switch which concerns on the following embodiment. It is a whole perspective view of the switching switch concerning the following embodiment. It is principal part explanatory drawing of the switching switch which concerns on the following embodiment. It is principal part explanatory drawing of the switching switch which concerns on the following embodiment. It is a whole perspective view which shows the state which fixed the switching switch which concerns on the following embodiment to the attachment bracket.

  Preferred embodiments of the present invention are shown below.

As shown in FIG. 1, the switch according to the present embodiment is a switching switch that switches the output terminal to either side by operating the handle 1. The output terminal portions 2 and 3 to be the first terminal portions are formed at the locations, and the input terminal portions 4 to be the second terminal portions are formed at different positions in the vertical direction of the one output terminal portion 2, The upper ends of the front and rear movable contacts 6 and 7 are fitted into the front and rear lower ends of the handle 1 via the shaft support portions 5, respectively, and the intermediate positions of the movable contacts 6 and 7 and the shaft 8 of the handle 1 are interposed. The reversing springs 50 for reversing the movable contacts 6 and 7 are stretched at the moment when the neutral point is exceeded, and the movable contacts 6 and 7 in the operation direction of the handle 1 are moved to the front and rear fixed contacts 9 and 10 side. It has a structure to make. The input terminal portion 4 and the movable contacts 6 and 7 are electrically connected via a flexible conductive wire 25.
In this specification, the horizontal direction in FIG. 1 is the “front-rear direction” or “longitudinal direction of the housing”, the vertical direction in FIG. 1 is “vertical direction”, and the horizontal direction in FIG. Or “the width direction of the casing”.

  The switching switch of the present embodiment can also stop the position of the handle 1 at a neutral position as shown in FIG. When the handle 1 is in the neutral position, the movable contacts 17 and 18 provided at the lower portions of the front and rear movable contacts 6 and 7 are in an off position away from the front and rear fixed contacts 9 and 10. As shown in FIG. 2, when the handle 1 is tilted forward from the neutral state, the reversing spring 50 is moved at the moment when the shaft 8, the shaft support 5 and the lower end of the reversing spring 50 are in a straight line. Due to the force, the movable contact 7 on the front side is pulled outward in a U-shape, and the movable contact 18 comes into contact with the fixed contact 10. In this state, the rear movable contact 6 abuts against the movement restricting portion 27 and is prevented from moving, and is held at the off position.

  The output terminal portions 2 and 3 include output terminal screws 19 and 20, fixed contacts 9 and 10, and a fixed contact 21. The output terminal portions 2 and 3 are disposed diagonally with the handle 1 as the center when viewed from the upper surface of the housing 11. ing. Further, the housing 11 can be made compact by positioning the input terminal portion 4 between the adjacent output terminal portion 2 and the handle 1. Further, the front and rear output terminal portions 2 and 3 are respectively arranged at positions that are line-symmetric with respect to a vertical axis that is orthogonal to the axis 8 that is the rotation axis of the handle 1 as an axis of symmetry (X).

  As shown in FIG. 1, the input terminal portion 4 is disposed so as to be positioned between the output terminal portion 2 and the axis of symmetry (X), and constitutes a switching switch as shown in FIG. In the width direction (W) of the casing 11 to be shifted, it is arranged at a position shifted from the output terminal portion 2. By adopting this structure, conventional switches (switches that secure the insulation distance by placing the output terminal part close to the input terminal part at a position that ensures a large distance from the center line of the handle) In comparison, even if the position of the output terminal portion 2 adjacent to the input terminal portion 4 is close to the width direction (W) of the housing 11, the insulation distance between the terminal portions can be ensured.

  In the present embodiment, as described above, the input terminal portion 4 is arranged at a position shifted from the output terminal portion 2 in the width direction (W) of the housing 11, and the input terminal portion 4 and the output terminal portion 2 are arranged. The casing 11 is made compact by partially overlapping in the width direction (W) of the casing 11. From the viewpoint of securing the insulation distance, it is preferable to provide a protrusion 35, a groove or the like in the overlapping portion as shown in FIGS.

  In order to reduce the size of the housing, in the present embodiment, in addition to the above structure, the input terminal portion 4 and the output terminal portions 2 and 3 are arranged closer to the center in the width direction of the housing 11 as shown in FIG. Of the structure in which the end portion is disposed across the width direction center line (Y) that bisects the casing 11 in the width direction (W), and the end portions of the input terminal screw 22 and the output terminal screws 19 and 20 The housing 11 is arranged so that the end near the center in the longitudinal direction of the housing 11 (ie, near the axis of symmetry (X)) overlaps with the housing body 26 in which the handle 1 is accommodated when viewed from above the handle 1. A structure in which a recess is formed in the housing body 26 to accommodate the end of each screw near the center in the longitudinal direction of the housing 11 so that the body body 26 is overhanged. ing.

  Furthermore, in order to reduce the size of the casing 11, in this embodiment, as shown in FIGS. 3 and 4, the input terminal portion 4 is opened on the left and right sides of the casing 11 so as to face the left and right sides of the casing 11, respectively. Groove portions 23 and 24 having a semicircular cross section are formed, and the groove portions 23 and 24 are used as mounting holes 12 used when the switching switch is mounted on a device mounting surface such as a device mounting plate.

  In the present embodiment, as described above, the input terminal portion 4 is disposed so as to be positioned between the output terminal portion 2 and the symmetry axis (X), and constitutes a switching switch 11. In this width direction (W), the insulation distance is ensured by disposing it at a position shifted from the output terminal portion 2, and the spaces generated on the left and right sides of the input terminal portion 4 are not uniform. In the present embodiment, the groove portions 23 and 24 are formed in different sizes in the non-uniform spaces generated on the left and right sides of the input terminal portion 4. Specifically, a structure is adopted in which the input terminal portion 4 is arranged at a position shifted in the direction of the groove portion 23 smaller than the width direction center line (Y) dividing the housing 11 into two in the width direction. . Here, if the grooves 23 and 24 are formed in the same size in the same casing 11, the overlapping portion of the input terminal portion 4 and the output terminal portion 2 in the width direction (W) becomes large, and the insulation distance between the terminal portions is increased. Can not be secured. Therefore, it is necessary to increase the width of the housing 11 in order to form the grooves 23 and 24 with the same size. Since the input terminal part 4 can be shifted to the small groove part 23 side as in this embodiment, it is possible to ensure an insulation distance between the input terminal part 4 and the output terminal part 2 without enlarging the housing 11. Become.

  Furthermore, in this embodiment, as shown in FIGS. 5 and 6, the large groove portion 24 has two different groove shapes on the upper side and the lower side of the casing 11 so as to extend up and down on the side of the casing 11. The small groove portion 23 is formed only above the side surface of the housing 11. Among these, the shape of the upper groove 14 is a shape suitable for holding the screw head 16 in a state where the mounting screw 13 is inserted and fixed in the mounting hole 12, and the shape of the lower groove 15 is In a state where the mounting screw 13 is inserted and fixed in the mounting hole 12, the shape is suitable for penetrating the screw shaft portion 28. Specifically, a holding surface 14a is formed at the lower end of the groove 14 above the large groove portion 24 and the small groove portion 23 so that the screw head 16 of the mounting screw 13 can be held.

  In addition, a vertical axis orthogonal to the axis 8 that is the rotation axis of the handle 1 is defined as an axis of symmetry (X), and a groove portion 29 having the same shape as the large groove portion 24 is formed at a position where the small groove portion 23 is line-symmetrical. A groove portion 30 having the same shape as the small groove portion 23 is formed at a position where the large groove portion 24 is line symmetric.

  With this structure, when a plurality of switching switches are used side by side, as shown in FIG. 3, the groove portion 23 of one switching switch and the groove portion 24 of the other switching switch, or one switching switch, The insertion hole 12 of the mounting screw 13 having a substantially circular shape is formed by facing the groove portion 29 of the other switching switch and the groove portion 30 of the other switching switch, and by inserting a single mounting screw 13 there, The screw head 16 of the mounting screw 13 comes into contact with the holding surface 14a formed in the groove portions 23, 24, 29, and 30, and the mounting operation of both switching switches can be completed at one time.

  In the embodiment described above, the semi-circular groove portions 23 and 24 that are opened to face the left and right sides of the side surface of the housing 11 are formed as the mounting holes 12 in the spaces generated on the left and right sides of the input terminal portion 4. However, the groove portions 23 and 24 and the groove portions 29 and 30 having a semicircular cross section can be formed in the left and right spaces of the output terminal portions 2 and 3.

  As shown in FIG. 4, the switching switch of this embodiment has a holding hole 60 formed at the lower end of the front and rear ends of the housing 11, and a mounting hook 70 a of the mounting bracket 70 as shown in FIG. 7. The mounting spring 70b is formed so as to be fitted and held in the holding hole 60, and is fixed to the device mounting surface of the device mounting plate via the mounting hole 12 described above, and the device via the mounting bracket 70. It is possible to select and attach the method of fixing to the device mounting surface of the mounting plate, and there is no need to create different types of switching switches.

  In the present embodiment, the first terminal portions at the two front and rear locations are formed as output terminal portions 2 and 3, and the second terminal portions formed at different positions in the vertical direction of the first terminal portion are formed as input terminal portions 4. However, as another embodiment, the first and second terminal portions are used as input terminal portions, and the second terminal portion is used as an output terminal portion. It may be formed and used by changing the input direction.

  Moreover, in the said embodiment, although the switching switch which switches the output terminal parts 2 and 3 to either side by operating the handle | steering_wheel 1 was demonstrated, the switch of this invention is limited to a switching switch. It can be applied to general switches such as circuit breakers.

DESCRIPTION OF SYMBOLS 1 Handle 2, 3 Output terminal part 4 Input terminal part 5 Shaft support part 6, 7 Movable contact 8 Axis 9, 10 Fixed contact 11 Case 12 Mounting hole 13 Mounting screw 14 Upper groove 15 Lower groove 16 Screw head 17 , 18 Movable contacts 19, 20 Output terminal screw 21 Fixed contact 22 Input terminal screws 23, 24 Groove portion 25 Flexible conductor 26 Housing body portion 27 Movement restricting portion 28 Screw shaft portion 29, 30 Groove portion 35 Projection portion 50 Reversing spring 60 Holding hole 70 Mounting bracket 70a Mounting hook 70b Mounting spring

Claims (4)

A switch provided with a mounting hole used for mounting on the device mounting surface and a plurality of terminal portions, and attached to the device mounting surface with the handle facing upward,
After forming at least one terminal part among the plurality of terminal parts as the first terminal part at any position before and after the handle,
The other one terminal part is used as the second terminal part.
A switch is configured between the first terminal portion and a vertical axis perpendicular to the rotation axis of the handle and at a position different in the vertical direction of the first terminal portion and from the first terminal portion. Formed at a position shifted in the width direction of the housing,
Opening and closing characterized by forming groove portions that open to the left and right side surfaces of the housing as the mounting holes in the space generated on the left and right sides of the first terminal portion or the second terminal portion by shifting the position. vessel.   2. The switch according to claim 1, wherein the groove portions opened to face the left and right sides of the casing are formed in different sizes.   The said 2nd terminal part was formed in the position shifted in the small groove part direction among the groove parts of the said different size rather than the width direction center line which divides a housing | casing in the width direction. Switch. Among the different sized groove portions, the large groove portion has two different groove shapes on the upper and lower sides of the housing, and is formed to extend over the upper and lower sides of the housing.
A small groove is formed only above the side of the housing,
The upper groove shape is a shape suitable for holding a screw head in a state where a mounting screw is inserted and fixed in the mounting hole,
The switch according to claim 2, wherein the lower groove shape has a shape suitable for penetrating a screw shaft portion in a state where an attachment screw is inserted and fixed in the attachment hole.