CN217507177U

CN217507177U - Rotary switch

Info

Publication number: CN217507177U
Application number: CN202220026419.4U
Authority: CN
Inventors: 顾哲; 葛伟骏; 蒋家鹏
Original assignee: Shanghai Chint Intelligent Technology Co Ltd
Current assignee: Shanghai Chint Intelligent Technology Co Ltd
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2022-09-27
Anticipated expiration: 2032-01-06

Abstract

The utility model provides a rotary switch, its includes operating module and stack at least two sets of contact module that set up in operating module one side, at least two sets of contact module including set up in own casing respectively with the moving contact subassembly that operating module is connected to and set up two sets of static contact subassemblies in moving contact subassembly both sides separately relatively, the both ends of every group static contact subassembly are equipped with wiring portion and short-circuit portion respectively, wiring portion and short-circuit portion are used for connecting binding screw and short-circuit piece respectively, adjacent two sets of contact module short-circuit portion dislocation set on the static contact subassembly with one side of moving contact subassembly makes wherein a set of contact module's short-circuit portion correspond the setting with another set of contact module's wiring portion, not only have convenient connection's characteristics, in addition when promoting rotary switch's insulating properties, rotary switch's volume can not increase again.

Description

Rotary switch

Technical Field

The utility model relates to a switching apparatus field especially relates to a rotary switch.

Background

With the rapid development of the photovoltaic industry, the disconnecting switch is widely applied, and the existing disconnecting switch for switching a high-power circuit generally adopts a method of increasing the opening distance of a static contact and connecting a plurality of static contacts in series. However, the method of increasing the open distance and the series connection of the stationary contacts results in a large product structure size, occupies installation space, and increases production cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a small rotary switch.

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

the utility model provides a rotary switch, its includes operating module and stack at least two sets of contact module that set up in operating module one side, at least two sets of contact module including set up in own casing respectively with the moving contact subassembly that operating module is connected to and set up relatively at two sets of static contact subassemblies of moving contact subassembly both sides separately, the both ends of every group static contact subassembly are equipped with wiring portion and short-circuit portion respectively, wiring portion and short-circuit portion are used for connecting binding screw and short-circuit piece respectively, adjacent two sets of contact module are at moving contact subassembly with the short-circuit portion dislocation set on the static contact subassembly of one side, make one of them group of contact module's short-circuit portion correspond the setting with the wiring portion of another group of contact module.

Preferably, one end of the short connecting piece is provided with an inserting structure matched with the short connecting part of one group of contact modules, and one end of the short connecting piece, far away from the inserting structure, is connected with a wiring screw on the wiring part of the other group of adjacent contact modules.

Preferably, the grafting structure is the boss structure of setting on the short circuit piece, be equipped with on the short circuit portion with boss structure complex connecting hole, it is spacing that boss structure can insert in the connecting hole.

Preferably, the short-circuit piece is provided with a fixing hole matched with the wiring screw, and the wiring screw can penetrate through the fixing hole to fix the short-circuit piece and the wiring part.

Preferably, the wiring portion is provided with a screw hole connected with a wiring screw, and the connecting hole and the screw hole are identical in structure.

Preferably, the contact module is provided with a wiring hole and an insulation structure on the housing, the wiring hole and the insulation structure respectively corresponding to the wiring part and the short-circuit part, and the wiring holes on the two adjacent groups of contact module housings are arranged in a staggered manner, so that the wiring hole of one group of contact modules is arranged corresponding to the insulation structure of the other group of contact modules.

Preferably, the insulating structure comprises a strip-shaped insulating convex rib, the wiring holes in the same group of contact modules are positioned on the extension line of the insulating convex rib on the same side, and any wiring hole in two adjacent groups of contact modules is positioned on the side face of the insulating convex rib of the other contact module.

Preferably, the insulation structure comprises two first insulation grooves which are oppositely arranged at two sides of the insulation convex rib along the stacking direction of the contact modules.

Preferably, the insulation structure comprises a second insulation groove arranged on the extension line of the first insulation groove on the adjacent contact module, and the second insulation groove can be communicated with the first insulation groove on the adjacent contact module after the two groups of contact modules are overlapped.

Preferably, the static contact assemblies on two sides of the contact module are arranged in a central symmetry manner, and the wiring holes and the insulation structures, which are arranged on the shell corresponding to the two groups of static contact assemblies, are also arranged in a central symmetry manner; the shell is provided with a short circuit hole used for avoiding short connecting pieces, and the short circuit hole is a knock-off hole or a packaging hole.

Preferably, the operating module comprises a handle, a shell, an operating mechanism and a middle partition plate, one end of the operating mechanism positioned in the center of the inside of the shell can be connected with the handle, the other end of the operating mechanism is connected with a transmission shaft which is slidably arranged on the middle partition plate, and the middle partition plate is fixedly connected with the shell; the contact module comprises a contact component and a rotating shaft which are installed at the center of the shell, and arc extinguishing components which are circumferentially arranged around the contact component, the contact component comprises a moving contact component, a static contact component and a wiring screw, and the moving contact component rotates around the axis of the moving contact component under the driving of the rotating shaft to realize the contact and disconnection with the static contact component.

The utility model discloses a rotary switch, both ends through every group static contact subassembly are equipped with wiring portion and short-circuit portion respectively, and with adjacent two sets of contact module short-circuit portion dislocation set on the static contact subassembly of moving contact subassembly with one side, make wherein a set of contact module's short-circuit portion correspond the setting with the wiring portion of another set of contact module, let the both ends of short-circuit portion can be connected with two sets of contact module's short-circuit portion and wiring portion respectively, not only have the characteristics of convenient connection, and can effectively optimize the inside structure of rotary switch, reduce the space that the static contact subassembly occupy, thereby guarantee the opening distance between the increase static contact subassembly, when promoting rotary switch's insulating properties, can not increase rotary switch's volume again.

Drawings

Fig. 1 is a schematic structural view of the rotary switch of the present invention;

fig. 2 is an exploded view of the rotary switch of the present invention;

fig. 3 is an exploded view of the operating module of the present invention;

fig. 4 is an exploded view of the contact module of the present invention;

fig. 5 is a schematic structural view of the contact module of the present invention;

fig. 6 is a schematic view of the housing structure of the contact module of the present invention;

fig. 7 is a schematic view of the fit between the contact modules of the present invention;

FIG. 8 is a schematic structural view of the shorting plate of the present invention;

fig. 9 is a schematic structural view of the fixed contact assembly of the present invention.

Detailed Description

The following describes the rotary switch according to the present invention with reference to the embodiments shown in fig. 1 to 9. The rotary switch of the present invention is not limited to the description of the following embodiments.

As shown in fig. 1-5, the utility model discloses a rotary switch includes operating module 2 to and the stack sets up at least two sets of contact module 1 in operating module 2 one side, at least two sets of contact module 1 including set up in casing 200 separately respectively with the moving contact subassembly 120 that operating module 2 connects to and set up relatively two sets of stationary contact subassembly 130 in moving contact subassembly 120 both sides separately, the both ends of every group stationary contact subassembly 130 are equipped with wiring portion 131 and short circuit portion 132 respectively, wiring portion 131 and short circuit portion 132 are used for connecting binding screw 110 and short circuit member 600 respectively, and adjacent two sets of contact module 1 are at moving contact subassembly 120 with the short circuit portion 132 dislocation set on the stationary contact subassembly 130 of one side, make wherein the short circuit portion 132 of a set of contact module 1 correspond the setting with the wiring portion 131 of another set of contact module 1.

The utility model discloses a rotary switch, both ends through at every group static contact subassembly 130 are equipped with wiring portion 131 and short circuit portion 132 respectively, and with adjacent two sets of contact module 1 short circuit portion 132 dislocation set on the static contact subassembly 130 of moving contact subassembly 120 with one side, make wherein short circuit portion 132 of a set of contact module 1 correspond the setting with wiring portion 131 of another set of contact module 1, let short circuit member 600's both ends can be connected with short circuit portion 132 and wiring portion 131 of two sets of contact module 1 respectively, not only have convenient characteristics of connection, and can effectively optimize the inside structure of rotary switch, reduce the space that static contact subassembly 130 occupy, thereby guarantee the opening distance between increasing static contact subassembly 130, when promoting rotary switch's insulating properties, can not increase rotary switch's volume again.

As shown in fig. 7 to 9, one end of the short connector 600 is provided with a plug structure 602 which is matched with the short circuit portion 132 of one group of the contact modules 1, and one end of the short connector 600 far away from the plug structure 602 is connected with the binding screw 110 on the binding portion 131 of another group of adjacent contact modules 1. Specifically, the static contact assembly 130 includes the wiring portion 131, the short circuit portion 132, and a connecting portion 133 connected between the wiring portion 131 and one end of the short circuit portion 132, a contact piece 134 matched with the moving contact assembly 120 is disposed on the connecting portion 133, a screw hole 1310 matched with the wiring screw 110 is disposed on the wiring portion 131, and a connecting hole matched with the plugging structure 602 is disposed on the short circuit portion 132. The two ends of the connecting portion 133 are respectively connected to the wire connecting portion 131 and the short-circuit portion 132, so that the static contact assembly 130 is integrally U-shaped, and the contact piece 134 is perpendicularly bent from one side edge of the connecting portion 133 to the outer side of the U-shaped structure. Short connector 600 becomes dull and stereotyped structure, grafting structure 602 is for setting up the boss structure on short connector 600, and boss structure can insert spacing in the connecting hole, short connector 600 is equipped with in the one end of keeping away from grafting structure 602 with wiring screw 110 complex fixed orifices 601, and wiring screw 110 can pass fixed orifices 601 and fix short connector 600 and wiring portion 131, be equipped with the short circuit hole 270 that is used for dodging short connector 600 on casing 200. Although the shorting member 600 does not need to be provided with the screw holes 1310 matched with the binding screws 110 at both ends, the connecting holes 1320 of the present embodiment have the same structure as the screw holes 1310, that is, the screw holes 1310 matched with the binding screws 110 are provided at both ends, which can simplify the structure of the fixed contact assembly 130 without changing the manufacturing method of the existing fixed contact assembly 130. In addition, grafting structure 602 is not only limited to the lug structure either, also can be buckle structure and couple structure, all belongs to the utility model discloses a scope of protection. The static contact component 130 of this embodiment is structure as an organic whole, and the direct chucking contact of moving contact component 120 and contact piece 134, static contact component 130 need not set up the copper and weave soft class soft connection such as soft, have saved installation space, also need not set up the elastic component moreover, need not reserve the space of motion for the elastic component, and the structure is simpler, and the structure is compacter, and the volume is littleer.

Preferably, the short connection hole 270 is a knock-out hole or a reserved packaging hole, the short connection hole 270 can be opened when short connection is needed, and the sealing performance can be improved when the short connection is not needed.

As shown in fig. 1-4, the operating module 2 includes a handle 201, a housing 202, an operating mechanism 204 and a middle partition plate 203, one end of the operating mechanism 204 located at the center inside the housing 202 can be connected to the handle 201 by fixing means such as screws, the other end of the operating mechanism 204 is connected to a transmission shaft 205 slidably mounted on the middle partition plate 203, and the middle partition plate 203 is fixedly connected to the housing 202;

the contact module 1 includes a contact assembly 100 and a rotating shaft 400 installed in the center of the housing 200, and arc extinguishing assemblies 300 circumferentially arranged around the contact assembly 100, the contact assembly 100 includes a moving contact assembly 120, a fixed contact assembly 130, and a wiring screw 110, the moving contact assembly 120 rotates around its axis under the driving of the rotating shaft 400, and the contact and disconnection with the fixed contact assembly 130 are realized.

Further, the housing 200 of the contact module 1 is provided with wiring holes 240 and insulation structures corresponding to the wiring portions 131 and the short-circuit portions 132, respectively, and the wiring holes 240 on the housings 200 of two adjacent sets of contact modules 1 are arranged in a staggered manner, so that the wiring holes 240 of one set of contact modules 1 are arranged corresponding to the insulation structures of the other set of contact modules 1. Set up wiring portion 131 and short circuit portion 132 respectively through the both ends of every group stationary contact subassembly 130 to set up wiring hole 240 and the insulation system that corresponds respectively with wiring portion 131 and short circuit portion 132 on casing 200, when wiring hole 240 dislocation set on adjacent two sets of contact module 1 casings 200, make one of them wiring hole 240 of a set of contact module 1 correspond the setting with the insulation system of another set of contact module 1, effectively improve rotary switch's insulating properties, can use in high power circuit.

Further, the insulating structure includes a strip-shaped insulating rib 250, the wiring holes 240 of the same group of contact modules 1 are located on the extension line of the insulating rib 250 on the same side, and any wiring hole 240 of two adjacent groups of contact modules 1 is located on the side of the insulating rib 250 of another contact module 1.

Specifically, the number of the contact modules 1 in this embodiment is three, the three contact modules 1 are the first contact module 11, the second contact module 12 and the third contact module 13 from bottom to top in sequence, and the wiring holes 240 of the first contact module 11 and the third contact module 13 are respectively located on two sides of the insulating convex rib 250 of the second contact module 12, so that the creepage distance and the insulating property between the first contact module 11 and the third contact module 13 can be effectively improved. It is understood that the insulating ribs 250 may also function to improve the creepage distance between the adjacent first contact module 11 and the second contact module 12, and between the second contact module 12 and the third contact module 13.

Further, the insulation structure further comprises two first insulation grooves 261 which are arranged on two sides of the insulation convex rib 250 relatively along the stacking direction of the contact modules 1, and a second insulation groove 260 which is arranged on the extension line of the first insulation groove 261 on the adjacent contact module 1, wherein the second insulation groove 260 can be communicated with the first insulation groove 261 on the adjacent contact module 1 after the two sets of contact modules 1 are stacked. The surface area of the housing 200 can also be increased by the first insulating groove 261 and the second insulating groove 260, thereby increasing the creepage distance between the adjacent contact modules 1. It is understood that, although the first insulation groove 261 and the second insulation groove 260 are provided in the present embodiment, they may be alternatively provided in the first insulation groove 261 and the second insulation groove 260, and may also serve to increase the creepage distance.

As shown in fig. 1-2, the static contact assemblies 130 on both sides of the contact module 1 are arranged in a central symmetry manner, and the wiring holes 240 and the insulating structures, which are arranged on the housing 200 corresponding to the two sets of static contact assemblies 130, are also arranged in a central symmetry manner, so that the insulating performance can be further improved. As shown in fig. 7, the wiring portion 131 of the left static contact assembly 130 of the first contact module 11 is located at the left end, the wiring portion 131 of the right static contact assembly 130 of the first contact module 11 is located at the right end, and the wiring portion 131 of the left static contact assembly 130 and the wiring portion 131 of the right static contact assembly 130 are arranged in a central symmetry manner.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. 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

1. A rotary switch, characterized by: comprises an operation module (2) and at least two groups of contact modules (1) which are arranged on one side of the operation module (2) in a superposed manner, the at least two groups of contact modules (1) comprise movable contact assemblies (120) which are arranged in respective housings (200) and are respectively connected with the operation modules (2), and two groups of fixed contact assemblies (130) which are oppositely arranged on two sides of each moving contact assembly (120), two ends of each group of fixed contact assemblies (130) are respectively provided with a wiring part (131) and a short-circuit part (132), the wiring part (131) and the short-circuit part (132) are respectively used for connecting a wiring screw (110) and a short-circuit part (600), two adjacent groups of contact modules (1) are arranged in a staggered mode on the short-circuit parts (132) of the fixed contact assemblies (130) on the same side of the moving contact assemblies (120), and the short-circuit parts (132) of one group of contact modules (1) are correspondingly arranged with the wiring parts (131) of the other group of contact modules (1).

2. The rotary switch according to claim 1, wherein: one end of the short connecting piece (600) is provided with an inserting structure (602) matched with the short connecting part (132) of one group of contact modules (1), and one end, far away from the inserting structure (602), of the short connecting piece (600) is connected with a wiring screw (110) on a wiring part (131) of the other group of adjacent contact modules (1).

3. The rotary switch according to claim 2, wherein: grafting structure (602) is the boss structure who sets up on short union piece (600), be equipped with on short union part (132) with boss structure complex connecting hole, it is spacing in connecting hole (1320) that the boss structure can be inserted.

4. The rotary switch according to claim 2, wherein: the short connecting piece (600) is provided with a fixing hole (601) matched with the wiring screw (110), and the wiring screw (110) can penetrate through the fixing hole (601) to fix the short connecting piece (600) and the wiring part (131).

5. A rotary switch according to claim 3, wherein: the wiring part (131) is provided with a screw hole (1310) connected with a wiring screw (110), and the connecting hole (1320) has the same structure as the screw hole (1310).

6. The rotary switch according to claim 1, wherein: the contact module is characterized in that a wiring hole (240) and an insulation structure which correspond to the wiring portion (131) and the short-circuit portion (132) respectively are formed in the shell (200) of the contact module (1), and the wiring holes (240) in the adjacent two groups of contact module (1) shells (200) are arranged in a staggered mode, so that the wiring holes (240) in one group of contact module (1) and the insulation structure in the other group of contact module (1) are arranged correspondingly.

7. The rotary switch according to claim 6, wherein: the insulating structure comprises a long-strip-shaped insulating convex rib (250), wiring holes (240) in the same group of contact modules (1) are located on the extension line of the same insulating convex rib (250), and any wiring hole (240) in any two adjacent groups of contact modules (1) is located on the side face of the insulating convex rib (250) of the other contact module (1).

8. The rotary switch according to claim 7, wherein: the insulation structure comprises two first insulation grooves (261) which are oppositely arranged at two sides of the insulation convex rib (250) along the stacking direction of the contact module (1); the insulation system further comprises a second insulation groove (260) arranged on the extension line of the first insulation groove (261) on the adjacent contact module (1), and the second insulation groove (260) can be communicated with the first insulation groove (261) on the adjacent contact module (1) after the two groups of contact modules (1) are stacked.

9. The rotary switch according to claim 6, wherein: the static contact assemblies (130) on the two sides of the contact module (1) are arranged in a central symmetry mode, and the wiring holes (240) and the insulation structures, which are arranged on the shell (200) corresponding to the two groups of static contact assemblies (130), are also arranged in a central symmetry mode; the shell (200) is provided with a short connecting hole (270) used for avoiding the short connecting piece (600), and the short connecting hole (270) is a knock-off hole or a packaging hole.

10. The rotary switch according to claim 1, wherein: the operating module (2) comprises a handle (201), a shell (202), an operating mechanism (204) and a middle partition plate (203), one end of the operating mechanism (204) positioned in the center of the inside of the shell (202) can be connected with the handle (201), the other end of the operating mechanism (204) is connected with a transmission shaft (205) which is slidably installed on the middle partition plate (203), and the middle partition plate (203) is fixedly connected with the shell (202); the contact module (1) comprises a contact component (100) and a rotating shaft (400) which are installed in the center of a shell (200), and arc extinguishing components (300) which are circumferentially arranged on the periphery of the contact component (100), wherein the contact component (100) comprises a movable contact component (120), a fixed contact component (130) and a wiring screw (110), and the movable contact component (120) rotates around the axis of the movable contact component under the driving of the rotating shaft (400) to realize the contact and disconnection with the fixed contact component (130).