CN215955153U - Multi-section type change-over switch - Google Patents

Abstract

The utility model provides a multi-stage change-over switch, which relates to the technical field of switch equipment and comprises a main base and a plurality of wire holders, wherein the wire holders are detachably arranged on the main base; the upper end face of the rotating disc is provided with a convex square column, the lower end face of the rotating disc is provided with a concave square hole, and the square column is matched with the square hole in shape and used in a matched mode. The multi-section type change-over switch has the advantages of ingenious structure, convenience in assembly and disassembly and high flexibility, and the wire holders can be increased or decreased according to actual conditions.

Description

Multi-section type change-over switch

Technical Field

The utility model relates to the technical field of switch equipment, in particular to a multi-section type change-over switch.

Background

A diverter switch is an electronic component used to control various circuits or components in a system that can open a circuit, interrupt current, or cause it to flow to other circuits. The operating handle of the change-over switch rotates leftwards or rightwards in a plane parallel to the mounting surface of the change-over switch; the device has the characteristics of multiple contacts, multiple positions, small volume, reliable performance, convenient operation, flexible installation and the like; the switch is used as a leading-in switch of a power supply in an electric control circuit of a machine tool, and can also be used for switching on and off a circuit infrequently, switching over the power supply and a load, and controlling the forward and reverse rotation and star-delta starting of a small-capacity asynchronous motor of 5KW or less. However, the number of the wire holders using the change-over switch is fixed at present, so that the change-over switch is inconvenient for users to increase or decrease according to actual conditions, and has certain limitation.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes the defects in the prior art, and provides the multi-section type change-over switch which is ingenious in structure, convenient to assemble and disassemble and high in flexibility, and the wire holders can be increased and decreased according to the actual conditions.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

a multi-stage change-over switch comprises a main base and a plurality of wire holders, wherein the wire holders are detachably arranged on the main base, the main base is provided with a rotating shaft, rotating discs are respectively arranged in the main base and the wire holders, the lower end of the rotating shaft is connected with the rotating discs in the main base, movable joint pieces are arranged in the rotating discs, static joint pieces are respectively arranged in the main base and the wire holders, and the movable joint pieces are matched with the static joint pieces for use; the upper end face of the rotating disc is provided with a convex square column, the lower end face of the rotating disc is provided with a concave square hole, and the square column is matched with the square hole in shape and used in a matched mode.

Furthermore, a first clamping strip is arranged on the inner side face of the square hole, and a first clamping groove matched with the first clamping strip is arranged on the outer surface of the square column.

Further, the housing of the main base and the housing of the wire holder are each provided with an inlay surface, and the housing of the wire holder is provided with an assembly plate which is included on the inlay surface when the wire holder is connected to the main base or is adjacent to the wire holder.

Furthermore, inlay the face and be provided with the second draw-in groove, the inboard of pilot plate be provided with the second card strip that the second draw-in groove matches usefulness, the second card strip is formed with the inclined plane.

Furthermore, the main base and the wire holder are respectively provided with a shielding plate, a wire hole is reserved in the shielding plate, and the terminal of the static connector piece extends to the lower side of the shielding plate.

Furthermore, a knob is arranged on the rotating shaft, and a clamping position and a continuous folding surface connected with the clamping position are formed at the top end of the rotating shaft.

Furthermore, a frame body is arranged in the main base, a frame plate is arranged on the frame body in a sliding mode, a cam is arranged in the frame plate, the upper end of the cam is connected with the rotating shaft, the lower end of the cam is connected with the square column, and a movable vacancy is reserved in the middle of the frame plate.

Furthermore, a smooth convex position is arranged on the frame plate, a streamline side arc surface is formed at the outer edge of the cam, the smooth convex position is pressed on the side arc surface in a sliding mode, an energy storage spring is arranged on the frame body, and the energy storage spring is pressed on the frame plate in a pressing mode.

Further, one end of the knob is gradually narrowed to form an indicating shape.

Further, a cover plate is provided on the main base.

Compared with the prior art, the utility model has the beneficial effects that:

the multi-section type change-over switch comprises a main base and a plurality of wire holders which are detachably arranged, can increase and decrease the wire holders according to actual conditions, and is convenient to assemble and disassemble and high in flexibility; equally divide in main base and the connection terminal and do not be provided with the rolling disc, the up end of rolling disc is provided with the square post of convex form, the bottom surface is provided with the quad slit of concave form, square post matches, supporting use with the quad slit shape, when the connection terminal is connected to main base or adjacent connection terminal and links to each other, the quad slit to lieing in the top rolling disc is inserted to the square post that will be located the below rolling disc, can accomplish the linkage and connect and join in marriage, and is very convenient.

Drawings

FIG. 1 is an overall view of a diverter switch;

FIG. 2 is an exploded view of a first diverter switch;

FIG. 3 is an enlarged view of circle A in FIG. 2;

FIG. 4 is an exploded view of the diverter switch II;

FIG. 5 is an enlarged view of circle B in FIG. 4;

FIG. 6 is a first perspective view of the turn disc;

FIG. 7 is a second perspective view of the turn disc;

fig. 8 is a perspective view of the wire holder;

FIG. 9 is a bottom view of the wire holder with the turn disc removed;

FIG. 10 is a schematic structural view showing a state where the main base is separated from the knob;

fig. 11 is a schematic view of the internal structure of the main base;

fig. 12 is a schematic structural view of the shelf body and the shelf board.

In the figure: 1-main base, 2-wire holder, 3-rotating shaft, 31-clamping position, 32-continuous folding surface, 4-rotating disc, 41-square column, 411-first clamping groove, 42-square hole, 421-first clamping strip, 5-movable joint piece, 6-static joint piece, 7-embedding surface, 71-second clamping groove, 8-assembling plate, 81-second clamping strip, 811-inclined surface, 9-shielding plate, 91-wire hole, 10-knob, 11-frame body, 12-frame plate, 121-movable vacancy, 122-smooth convex position, 13-cam, 14-energy storage spring and 15-cover plate.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

As shown in fig. 1 to 12, a multi-stage change-over switch comprises a main base 1 and a plurality of detachable wire holders 2, the main base 1 is provided with a rotating shaft 3, rotating discs 4 are respectively arranged in the main base 1 and the wire holders 2, the lower end of the rotating shaft 3 is connected with the rotating disc 4 in the main base 1, the upper end surface of the rotating disc 4 is provided with a convex square column 41, the lower end surface is provided with a concave square hole 42, the square column 41 is matched with the square hole 42 in shape and used in a matching way, the rotating disc 4 between the main base 1 and the wire holder 2 or the rotating disc 4 between adjacent wire holders 2 is linked together through the square column 41 and the square hole 42, the rotating disc 4 at the lower part is inserted into the rotating disc 4 at the upper part for linkage and fixation, thereby, when the rotating shaft 3 rotates, the main base 1 and the rotating discs 4 of the plurality of wire holders 2 can be driven to rotate synchronously. It can be seen from fig. 6 and 7 that square post 41 sets square form with quad slit 42, can avoid both to meet and take place to skid, be provided with first card strip 421 on quad slit 42's the medial surface, the surface of square post 41 is provided with the first draw-in groove 411 of supporting usefulness with first card strip 421, the square post 41 that is located below rolling disc 4 inserts when being located the quad slit 42 of top rolling disc 4, first card strip 421 corresponds and inserts to first draw-in groove 411, can further strengthen the compactness of combining, the fastness is better, more be difficult to take place to skid.

The rotary shaft 3 is provided with the rotary knob 10, the top end of the rotary shaft 3 is provided with the clamping position 31 and the continuous folding surface 32 connected with the clamping position 31, the assembly position of the rotary knob 10 and the rotary shaft 3 is provided with the mounting hole (not shown) matched with the clamping position 31 and the continuous folding surface 32 in shape, the mounting hole of the rotary knob 10 is directly inserted into the top end of the rotary shaft 3 for connection, and when the rotary knob 10 rotates, the rotary knob 10 and the rotary shaft 3 cannot slip due to the arrangement of the clamping position 31 and the continuous folding surface 32.

A movable joint sheet 5 is arranged in the rotating disc 4, a static joint sheet 6 is respectively arranged in the main base 1 and the wiring base 2, the movable joint sheet 5 is matched with the static joint sheet 6 for use, and when the rotating disc 4 rotates, the movable joint sheet 5 is driven to rotate so as to be connected with or separated from the static joint sheet 6, so that the circuit connection or disconnection effect is achieved.

The casing of main base 1 and the casing of wire holder 2 all are provided with inlay face 7, the casing of wire holder 2 is provided with assembly plate 8, when wire holder 2 is connected to main base 1 or adjacent wire holder 2 links to each other, assembly plate 8 inclusion is on inlay face 7, specifically, inlay face 7 is provided with second draw-in groove 71, the inboard of assembly plate 8 is provided with the second card strip 81 of supporting with second draw-in groove 71, when assembling, second card strip 81 can block into to second draw-in groove 71, make main base 1 and wire holder 2 or adjacent wire holder 2 between fixed connection together, second card strip 81 is formed with inclined plane 811, the order is when assembling, second card strip 81 blocks into to second draw-in groove 71 more easily smoothly, can install wire holder 2 to main base 1 as required in a flexible way through this structure, the flexibility is high.

Main base 1 and wire holder 2 are equallyd divide and do not are provided with shielding plate 9, it has line hole 91 to reserve on the shielding plate 9, line hole 91 power supply line inserts and places, the wiring end of quiet joint piece 6 extends to the below of shielding plate 9, the electric wire inserts and is connected to on the wiring end of quiet joint piece 6 from line hole 91, shielding plate 9 reaches effectual sheltering from, the effect of separation, avoid the staff mistake to touch the wiring end of quiet joint piece 6 and cause the electric shock easily, the protectiveness is good.

The main base 1 is internally provided with a frame body 11, the frame body 11 is slidably provided with a frame plate 12, as can be seen from fig. 12, a movable vacancy 121 is reserved in the middle of the frame plate 12, so that the frame plate 12 can be transversely slidably connected to the frame body 11, a cam 13 is arranged in the frame plate 11, the upper end of the cam 13 is connected with a rotating shaft 3, and the lower end of the cam 13 is connected with a square column 41, that is, in the main base 1, the rotating shaft 3, the cam 13 and a rotating disc 4 are in linkage connection, the rotating shaft 3 can drive the cam 13 to rotate, a smooth convex part 122 is arranged on the frame plate 12, a streamline side arc surface (not marked) is formed on the outer edge of the cam 13, an energy storage spring 14 is arranged on the frame body 11, the energy storage spring 14 abuts against the frame plate 12, so that the smooth convex part 122 can always abut against the side arc surface of the cam 13, and the design is intended, when the knob 10 rotates to drive the rotating shaft 3 to rotate in combination with fig. 11, When the cam 13 and the rotating disc 4 rotate, namely when the movable joint piece 5 is controlled to be connected with or disconnected from the static joint piece 6, the smooth convex position 122 has a resisting force on the cam 13 (because the energy storage spring 14 is pressed on the frame plate 12), so that the cam 13 can rotate quickly, the movable joint piece 5 and the static joint piece 6 can be closed or disconnected quickly, quick action can be obtained, the on-off capacity of the change-over switch is improved, the on-off speed of the movable joint piece 5 and the static joint piece 6 is independent of the rotating speed of the knob 10, and the structure is ingenious.

As can be seen from fig. 1 and 2, one end of the knob 10 is gradually narrowed to form an indication shape, i.e. a pointed shape, which helps the operator to distinguish the rotation direction of the knob 10, so as to determine whether the movable tab 5 and the stationary tab 6 are in the connected or disconnected state.

Be provided with apron 15 on the main base 1, apron 15 is fixed on the shell of main base 1 through the screw-up, has the guard action to main base 1 internals, also improves the aesthetic property.

Finally, it should be noted that: although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims (10)

1. A multi-section type switch is characterized in that: the wire holder comprises a main base and a plurality of wire holders, wherein the wire holders are detachably arranged on the main base, rotating discs are respectively arranged in the main base and the wire holders, the lower end of each rotating shaft is connected with the rotating disc in the main base, movable joint pieces are arranged in the rotating discs, static joint pieces are respectively arranged in the main base and the wire holders, and the movable joint pieces are matched with the static joint pieces for use; the upper end face of the rotating disc is provided with a convex square column, the lower end face of the rotating disc is provided with a concave square hole, and the square column is matched with the square hole in shape and used in a matched mode.

2. The multi-section diverter switch according to claim 1, wherein: be provided with first card strip on the medial surface of quad slit, the surface of square post be provided with first draw-in groove that first card strip matches usefulness.

3. The multi-section diverter switch according to claim 1, wherein: the casing of main base and the casing of wire holder all are provided with inlays the face, the casing of wire holder is provided with the assembly plate, works as the wire holder is connected to main base or adjacent when the wire holder links to each other, the assembly plate inclusion is in inlay on the face.

4. The multi-stage diverter switch according to claim 3, wherein: the mosaic surface is provided with the second draw-in groove, the inboard of assembly plate be provided with the second card strip that the second draw-in groove was used in coordination, the second card strip is formed with the inclined plane.

5. The multi-section diverter switch according to claim 1, wherein: main base and wire holder are equallyd divide and are provided with the shielding plate, the reservation has the line hole on the shielding plate, the wiring end of quiet connector piece extends to the below of shielding plate.

6. The multi-section diverter switch according to claim 1, wherein: the rotary shaft is provided with a knob, and the top end of the rotary shaft is provided with a clamping position and a continuous folding surface connected with the clamping position.

7. The multi-section diverter switch according to claim 1, wherein: the improved rack is characterized in that a rack body is arranged in the main base, a rack plate is arranged on the rack body in a sliding mode, a cam is arranged in the rack plate, the upper end of the cam is connected with the rotating shaft, the lower end of the cam is connected with the square column, and a movable vacancy is reserved in the middle of the rack plate.

8. The multi-stage diverter switch according to claim 7, wherein: the frame plate is provided with smooth convex positions, the outer edge of the cam is provided with a streamline side arc surface, the smooth convex positions are slidably pressed on the side arc surface, the frame body is provided with energy storage springs, and the energy storage springs are pressed on the frame plate.

9. The multi-section diverter switch according to claim 6, wherein: one end of the knob is gradually narrowed to form an indicating shape.

10. The multi-section diverter switch according to claim 1, wherein: the main base is provided with a cover plate.

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