CN218769239U - Installation structure of rotary isolating switch and rotary isolating switch - Google Patents

Abstract

The utility model discloses a rotary isolating switch's mounting structure and rotary isolating switch, include: the switch comprises a first mounting piece arranged on one side of the switch unit, a second mounting piece arranged on the other side of the switch unit and opposite to the first mounting piece, and a guide rail groove arranged between the first mounting piece and the second mounting piece; the first mounting piece is provided with a first screw mounting hole, the first end of the second mounting piece is provided with a guide rail stopping structure which extends to the guide rail groove and is used for stopping the guide rail, and the second end of the second mounting piece is provided with a second screw mounting hole; the rotary isolating switch can be installed on an installation plane through the first screw installation hole and the second screw installation hole, or is installed on a guide rail through the guide rail groove and is stopped through the guide rail stopping structure. The utility model discloses a can realize two kinds of functions of guide rail installation and panel installation through the second installed part.

Description

Installation structure of rotary isolating switch and rotary isolating switch

Technical Field

The utility model relates to a low-voltage apparatus field, concretely relates to rotary isolating switch's mounting structure and rotary isolating switch.

Background

Rotary disconnectors are usually made up of an operating mechanism unit and several stacked switch units. The switch unit includes unit housings each of which has a pair of stationary contact assemblies and a rotatable movable contact module mounted therein. The moving contact module is fixed on the rotating shaft, and the operating mechanism unit can control the rotating shaft to rotate, so that the moving contact and the static contact are closed or disconnected.

Besides panel installation, the rotary isolating switch can also be provided with a mounting form of distribution board mounting or guide rail mounting to adapt to various application scenes. Usually, the structures of the distribution board mounting type and the guide rail mounting type are respectively and independently designed on the base of the rotary isolating switch, so that the occupied space is large, and the installation or the disassembly of the isolating switch is not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a rotatory isolator's mounting structure and rotatory isolator, the suitability that is favorable to promoting the product makes the product structure more succinct simultaneously.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

a mounting structure of a rotary disconnecting switch provided on a switch unit of the rotary disconnecting switch, comprising: the switch comprises a first mounting piece arranged on one side of the switch unit, a second mounting piece arranged on the other side of the switch unit and opposite to the first mounting piece, and a guide rail groove arranged between the first mounting piece and the second mounting piece;

the first mounting piece is provided with a first screw mounting hole, the first end of the second mounting piece is provided with a guide rail stopping structure which extends to the guide rail groove and is used for stopping the guide rail, and the second end of the second mounting piece is provided with a second screw mounting hole;

the rotary isolating switch can be installed on an installation plane through the first screw installation hole and the second screw installation hole, or installed on a guide rail through the guide rail groove and stopped through the guide rail stopping structure.

Preferably, the switch unit is provided with a cavity for installing the second installation part, a first limiting structure is arranged in the cavity, the second installation part is provided with a second limiting structure, and the second installation part is installed in the cavity and is limited by the first limiting structure and the second limiting structure.

Preferably, the first limiting structures are first limiting convex ribs arranged on two opposite side walls of the cavity, the first limiting convex ribs on the two opposite side walls respectively form limiting grooves with the bottom wall of the cavity, the second limiting structures are second limiting convex ribs arranged on two sides of the insertion end of the second installation part, and when the second installation part is installed in the cavity, the second limiting convex ribs are inserted into the limiting grooves.

Preferably, the first limiting convex rib is provided with a first limiting end face relative to the insertion direction of the second installation part, the second installation part is provided with a second limiting end face relative to the position of the first limiting end face, and the second installation part is limited in the insertion direction of the second installation part through the first limiting end face and the second limiting end face.

Preferably, the second mounting part is provided with a second boss in a direction opposite to the insertion direction of the second mounting part, the cavity is provided with a first boss, and the return spring is arranged between the first boss and the second boss to press the second mounting part into the cavity.

Preferably, the second installed part is provided with a groove, the second boss is arranged on the side wall of the groove, a second limiting groove is further formed in the side wall, parallel to the inserting direction of the second installed part, of the groove, a third limiting convex rib is correspondingly arranged on two sides of the first boss, and the second installed part is inserted into the cavity and embedded into the third limiting convex rib to limit the position of the second limiting groove.

Preferably, the guide rail locking structure is a triangular end face arranged at the first end of the second mounting part, a limiting convex part is arranged on the other side, opposite to the triangular end face, of the guide rail groove, and the edges on the two sides of the guide rail are clamped through the limiting convex part and the triangular end face.

Preferably, the first end of the second mounting part is further provided with a third limiting end surface perpendicular to the insertion direction and used for abutting against the side edge of the guide rail.

Preferably, notches are formed in two sides of the second screw mounting hole to form a straight groove which penetrates through the second screw mounting hole and is perpendicular to the insertion direction of the second mounting piece.

The utility model discloses still provide a rotatory isolator simultaneously, including operating device unit and at least one switch unit, operating device unit and at least one switch unit pile up in proper order, and the switch unit of bottom is provided with as above arbitrary rotatory isolator's mounting structure.

The utility model discloses a rotatory isolator, switch element's double-phase offside is provided with first installed part and second installed part respectively, still is provided with the guide rail groove in switch element's bottom, and wherein, first installed part, second installed part still are provided with the mounting screw hole respectively, can realize through screw direct mount, and the second installed part is provided with guide rail detent structure simultaneously, can be when carrying out the guide rail installation, will be located the guide rail in the guide rail groove and carry out the locking, make the guide rail be fixed in the guide rail groove. The utility model discloses the structure of realizing two kinds of installation function is comparatively compact, and the structure is more succinct reasonable, is favorable to improving the suitability of product, also does benefit to production and equipment simultaneously.

Drawings

FIG. 1 is a schematic diagram of a rotary isolating switch according to the present embodiment;

FIG. 2 is an axial view of the switch unit of the present embodiment;

FIG. 3 is a structural diagram of the bottom of the rotary isolating switch of the embodiment;

FIG. 4 is a structural view of a base in the present embodiment;

FIG. 5 is a structural view of a second mount of the present embodiment;

FIG. 6 is a structural view (another perspective) of the second mount of the present embodiment;

FIG. 7 is a schematic view of the installation of the guide rail of the rotary isolating switch of the embodiment;

fig. 8 is a schematic diagram of the installation of the distribution board of the rotary isolating switch of the embodiment.

Detailed Description

The following provides an example with reference to the accompanying drawings, further explaining a specific embodiment of the rotary isolating switch of the present invention. The rotary isolating switch of the present invention is not limited to the description of the following embodiments.

The following further describes the embodiments of the present invention with reference to the drawings:

as shown in fig. 1, the rotary disconnector according to the present embodiment includes a rotary handle 101, an operating mechanism unit 102, and one or more switch units 103 stacked in sequence. The plurality of switch units 103 may form a multi-pole combination of the rotary isolating switch, and the stacked switch units may be configured as a single layer or multiple layers according to actual needs, and for convenience of description, the present embodiment is described with a rotary isolating switch having 4 layers of switch units, as shown in fig. 1, the 4 layers of switch units 103 are switch units 1031, 1032, 1033, 1034, respectively.

Fig. 2 is a schematic structural diagram of one layer of the switch unit, and the switch unit at least includes a housing 21, a movable contact module 22, a pair of stationary contact assemblies 231 and 232, and a rotating bracket 24. The fixed contact assembly 231 or 232 is provided with a terminal 251 or 252. The operating rotary handle 101, the operating mechanism unit 102, and the rotary bracket 24 of the stacked one or more switch units 103 are linked in sequence.

The rotating bracket 24 is rotatably installed in the housing 21 at the geometric center, and the movable contact module 22 is fixed on the rotating bracket 24 and rotates with the rotating bracket 24. The rotating bracket 24 of each switch unit 103 is driven to rotate in sequence by operating the rotating handle 101, and the corresponding moving contact module 22 is driven to cooperate with the pair of static contact assemblies 231 and 232 to realize the opening and closing operation. When the rotating handle 101 is operated clockwise to rotate 90 degrees, the operating mechanism unit 102 drives the rotating bracket 24 to rotate clockwise, and the moving contact module 22 also rotates clockwise along with the rotating bracket 24, so that the moving contact and the static contact are in a closed position after being closed; conversely, the rotating handle 101 is operated counterclockwise to rotate 90 °, and the moving contact and the static contact are in the off position. As shown in fig. 3, on the lowest switch unit of the rotary isolating switch 1, i.e. the switch unit 1034 in the present embodiment, the housing is the base 31 of the rotary isolating switch.

In the present embodiment, as shown in fig. 3 to 6, the switch unit 1034 located at the lowermost layer has a mounting structure to be mounted to a mounting plane or a rail, the mounting structure including: a first mounting member 310 provided at one side of the switching unit 1034, a second mounting member 4 (fig. 3) provided at the other side of the switching unit 1034 opposite to the first mounting member 310, and a rail groove 3100 provided between the first mounting member 310 and the second mounting member 4; wherein, the first mounting member 310 is provided with a first screw mounting hole 312, the first end of the second mounting member 4 is provided with a guide rail stopping structure extending to the guide rail groove 3100 for stopping the guide rail, and the second end of the second mounting member 4 is provided with a second screw mounting hole 42. The rotary isolating switch can be mounted on the mounting plane through the first screw mounting hole 312, the second screw mounting hole 42, or mounted on the guide rail 6 through the guide rail groove 3100 and stopped by a guide rail stopper structure (refer to fig. 1 or fig. 7).

Of course, the structure of the switching unit such as 1031 of other layers may also adopt the same structure as 1034. In the present embodiment, the first mounting piece 310 and the second mounting piece 4 are respectively disposed on both sides of the connection terminal of the switch unit 1034, but may be disposed on the other two sides, and is not limited. However, the housing structure on both sides of the terminal has more space available, which facilitates the arrangement of the first and second mounting elements 310 and 4.

In this embodiment, as shown in fig. 4, the switch unit 1034 has a cavity 313 for installing the second installation component 4, a first limiting structure is disposed in the cavity 313, the second installation component 4 has a second limiting structure, and when the second installation component 4 is installed in the cavity 313, the first limiting structure and the second limiting structure form a mutual limiting. The first mounting member 310 may be integrally formed with the housing of the switch unit 1034, and the first mounting member 310 may be formed of a protrusion 311 extending from the bottom case 31 and a first screw mounting hole 312 provided on the protrusion 311, but the first mounting member 310 may be detachably coupled to the switch unit 1034.

In this embodiment, the first limiting structures are first limiting protruding ribs 3141 and 3142 disposed on two opposite sidewalls of the cavity 313, the first limiting protruding ribs 3141 and 3142 on the two opposite sidewalls and the bottom wall of the cavity 313 form limiting grooves 3181 and 3182, respectively, the second limiting structures are second limiting protruding ribs 43 and 44 disposed on two sides of the insertion end of the second mounting member 4, and when the second mounting member 4 is installed in the cavity 313, the second limiting protruding ribs 43 and 44 are inserted into the limiting grooves 3181 and 3182.

Furthermore, the first limit convex ribs 3141 and 3142 are provided with first limit end surfaces 3151 and 3152 in the insertion direction of the second mounting element 4, the second mounting element 4 is provided with second limit end surfaces 451 and 452 in the positions of the first limit end surfaces 3151 and 3152, and the second mounting element 4 forms limit in the insertion direction through the first limit end surfaces 3151 and 3152 and the second limit end surfaces 451 and 452, that is, when the second mounting element 4 is inserted into the cavity 313, the second mounting element is pushed against the first limit end surfaces 3151 and 3152 to stop.

Further, the second mounting member 4 is provided with a second boss 46 in a direction opposite to the insertion direction thereof, the cavity 313 is provided with a first boss 316, the return spring 5 is provided between the first boss 316 and the second boss 46, and both ends of the return spring 5 are respectively fixed to the first boss 316 and the second boss 46, so that the second mounting member 4 is pressed in the cavity 313. The provision of the return spring 5 provides a certain space for the second mounting element 4 to be movable within the cavity 313, which facilitates the pressing-in of the guide rail.

In this embodiment, the second mounting element 4 is provided with a recess 460, the second projection 46 is provided on the side wall of the recess 460, and the first projection 316 is sunk into the recess 460 when the second mounting element 4 is inserted into the cavity 313, so that the thickness of the second mounting element 4 can be further reduced.

In this embodiment, the side walls of the groove 460 parallel to the insertion direction of the second mounting member 4 are further provided with second limiting grooves 491, 492, the two sides of the first boss 316 are correspondingly provided with third limiting protruding ribs 3171, 3172, and when the second mounting member 4 is inserted into the cavity 313, the third limiting protruding ribs 3171, 3172 are embedded into the second limiting grooves 491, 492 to form limiting. This provides two sets of stop grooves in the insertion direction to better retain the second mounting member 4 in the cavity 313.

As an alternative embodiment, please refer to fig. 4-7, the rail stopping structure is a triangular end face 48 disposed at the first end (insertion end) of the second mounting member 4, the other side of the rail groove 3100 opposite to the triangular end face is provided with limit protrusions 3191 and 3192, and the two side edges of the rail are engaged with the triangular end face 48 through the limit protrusions 3191 and 3192. Of course, the triangular end surface 48 may also be a wedge surface, or two intersecting arc surfaces, which allows the guide rail to slide in and lock.

Further, the first end of the second mounting part 4 is provided with a third stop end surface 47 perpendicular to the insertion direction for abutting against a side edge of the guide rail. Of course, the third stopper end surface 47 may not be provided, and may be defined by the side wall of the rail groove 3100 as it is.

Further, notches 421 and 422 are provided on both sides of the second screw mounting hole 42 to form a straight groove penetrating the second screw mounting hole 42 and perpendicular to the insertion direction of the second mounting member 4. Thus, when it is desired to remove the second mount 4 or release the guide rail, a screwdriver may be inserted into the slotted hole to pry the second mount 4 and release and remove the guide rail.

As shown in fig. 7, the rotary isolating switch 1 of the present embodiment is installed on a guide rail 6, the guide rail 6 is a TH35-7.5 type guide rail commonly used in the low voltage electrical appliance industry, when the rotary isolating switch 1 is installed on the guide rail 6, a limit protrusion 3191 (the limit protrusion 3192 is not shown) on one side (in the direction shown in fig. 7) of a first installation part of a base 31 is abutted against the left end surface of the guide rail 6, the switch is rotated clockwise until a triangular end surface 48 of a second installation part 4 touches an edge (a side close to the triangular end surface 48) of the guide rail 6, the switch is rotated clockwise continuously, the edge of the guide rail 6 moves along the triangular end surface 48 of a stopper 4 to compress the second installation part 4 against the force of a return spring 5, and the second installation part 4 is contacted with a vertical surface 47 after passing over the triangular end surface 48, at this time, and the switch is installed in place.

In an alternative embodiment, the edges of the guide rail 6 can be pressed in without the return spring 5 by means of the elastic compression of the triangular end face 48 itself.

As shown in fig. 8, the rotary isolating switch 1 of the present embodiment is mounted to a mounting plane, which is illustrated by taking the electrical panel 8 as an example, and the rotary isolating switch 1 is fixed to the electrical panel 8 by two tapping screws 7 and 7A with one tapping screw 7 passing through the second screw mounting hole 42 of the second mounting 4 and the other tapping screw (not shown) passing through the first screw mounting hole 312 of the base. The mounting plane can also be a suitable mounting plane such as a wall surface or an equipment surface.

The utility model discloses a rotary isolating switch, switch unit's double-phase offside is provided with first installed part and second installed part respectively, still is provided with the guide rail groove in switch unit's bottom, and wherein, first installed part, second installed part still are provided with the mounting screw hole respectively, can realize through screw direct mount, and the second installed part is provided with guide rail locking structure, can be when carrying out the guide rail installation, will be located the guide rail of guide rail groove and stop, make the guide rail be fixed in the guide rail groove. The utility model discloses the structure that realizes two kinds of installation functions is comparatively compact, and the structure is more succinct reasonable, is favorable to improving the suitability of product, also does benefit to production and equipment simultaneously.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship that is usually placed when used, and are only for convenience of description, but do not indicate that the device or element that is referred to must have a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish one description from another, and are not to be construed as indicating relative importance.

The foregoing is a more detailed description of the present invention, taken in conjunction with specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments thereof. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims (10)

1. A mounting structure of a rotary disconnecting switch provided on a switch unit (103) of the rotary disconnecting switch, characterized by comprising: a first mounting piece (310) provided on one side of the switch unit (103), a second mounting piece (4) provided on the other side of the switch unit (103) opposite to the first mounting piece (310), and a rail groove (3100) provided between the first mounting piece (310) and the second mounting piece (4);

wherein the first mounting element (310) is provided with a first screw mounting hole (312), the first end of the second mounting element (4) is provided with a guide rail stop structure extending to the guide rail groove (3100), and the second end of the second mounting element (4) is provided with a second screw mounting hole (42).

2. A mounting structure of a rotary disconnecting switch according to claim 1, wherein: the switch unit is provided with a cavity (313) used for installing the second installation part (4), a first limiting structure is arranged in the cavity (313), the second installation part (4) is provided with a second limiting structure, and the second installation part (4) is installed in the cavity (313) and is limited mutually through the first limiting structure and the second limiting structure.

3. A mounting structure of a rotary disconnecting switch according to claim 2, characterized in that: the first limiting structures are first limiting convex ribs (3141, 3142) arranged on two opposite side walls of the cavity (313), the first limiting convex ribs (3141, 3142) on the two opposite side walls and the bottom wall of the cavity (313) form limiting grooves (3181, 3182), the second limiting structures are second limiting convex ribs (43, 44) arranged on two sides of the insertion end of the second installation part (4), and when the second installation part (4) is installed in the cavity (313), the second limiting convex ribs (43, 44) are inserted into the limiting grooves (3181, 3182).

4. A mounting structure of a rotary disconnecting switch according to claim 3, wherein: the first limiting convex ribs (3141, 3142) are provided with first limiting end faces (3151, 3152) relative to the insertion direction of the second mounting piece (4), the second mounting piece (4) is provided with second limiting end faces (451, 452) relative to the positions of the first limiting end faces (3151, 3152), and the second mounting piece (4) is limited in the insertion direction through the first limiting end faces (3151, 3152) and the second limiting end faces (451, 452).

5. A mounting structure of a rotary disconnecting switch according to claim 4, wherein: the second mounting part (4) is provided with a second boss (46) in the direction opposite to the insertion direction, the cavity (313) is provided with a first boss (316), and a return spring (5) is arranged between the first boss (316) and the second boss (46) to press the second mounting part (4) in the cavity (313).

6. A mounting structure of a rotary disconnecting switch according to claim 5, wherein: the second mounting piece (4) is provided with a groove (460), the second boss (46) is arranged on the side wall of the groove (460), the groove (460) and the side wall parallel to the insertion direction of the second mounting piece (4) are further provided with second limiting grooves (491, 492), third limiting convex ribs (3171, 3172) are correspondingly arranged on two sides of the first boss (316), and the third limiting convex ribs (3171, 3172) are embedded into the second limiting grooves (491, 492) to form limiting when the second mounting piece (4) is inserted into the cavity (313).

7. A mounting structure of a rotary isolating switch according to claim 1, characterized in that: the guide rail stopping structure is a triangular end face (48) arranged at the first end of the second mounting piece (4), the other side, opposite to the triangular end face, of the guide rail groove (3100) is provided with limiting convex parts (3191, 3192), and the edges of the two sides of the guide rail are clamped through the limiting convex parts (3191, 3192) and the triangular end face (48).

8. A mounting structure of a rotary disconnecting switch according to claim 7, wherein: the first end of the second mounting part (4) is also provided with a third limiting end surface (47) perpendicular to the insertion direction and used for abutting against the side edge of the guide rail.

9. A mounting structure of a rotary isolating switch according to claim 1, characterized in that: notches (421 and 422) are arranged on two sides of the second screw mounting hole (42) to form a straight groove which penetrates through the second screw mounting hole (42) and is perpendicular to the insertion direction of the second mounting piece (4).

10. A rotary disconnector comprising an operating mechanism unit (102) and at least one switch unit (103), the operating mechanism unit (102) and the at least one switch unit (103) being stacked in series, characterized in that: the lowermost switchgear unit (103) is provided with a mounting structure for a rotary disconnector according to any one of claims 1-9.

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