CN217485317U - Universal change-over switch - Google Patents
Universal change-over switch Download PDFInfo
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- CN217485317U CN217485317U CN202221359900.1U CN202221359900U CN217485317U CN 217485317 U CN217485317 U CN 217485317U CN 202221359900 U CN202221359900 U CN 202221359900U CN 217485317 U CN217485317 U CN 217485317U
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- contact
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- casing
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Abstract
The utility model relates to a universal change-over switch, including casing, installation panel, handle, shifter, contact system sets up the contact module at the holding intracavity of each base respectively including a plurality of bases, the multiunit of stack setting at the casing lower extreme, contact module include with the cam linkage complex contact frame of shifter, set up spring, linkage setting moving contact, two and moving contact matched with static contact on the contact frame between contact frame and base, static contact one end contact portion that extends in the holding intracavity has, the contact portion on be provided with moving contact matched with stationary contact, the base on be provided with the storage tank that is linked together with the holding chamber, the static contact other end have the wiring portion of bending and extending in the storage tank, be provided with binding post in the wiring portion. The utility model has the advantages of simple structure, stable performance, reliability, convenient assembly and high safety.
Description
Technical Field
The utility model relates to a low-voltage apparatus technical field, concretely relates to universal change-over switch.
Background
The change-over switch is also called a combination switch, and is a planar operation rotating left and right, unlike the operation of the knife switch. The change-over switch has the advantages of multiple contacts, multiple positions, small volume, reliable performance, convenient operation, flexible installation and the like, is mainly used for an introduction switch of a power supply in a machine tool electric control circuit, plays a role of isolating the power supply, and can also be used as a control switch for directly controlling the infrequent starting and stopping of a small-capacity asynchronous motor. The change-over switch also has a single pole, a double pole and a triple pole. The change-over switch comprises a shell, a panel, the handle of rotation setting on the casing, the setting just with the shifter of manual linkage setting in the casing, contact system includes a plurality of superposes and sets up the contact assembly at the casing lower extreme, each contact assembly all includes the casing, set up in the casing and with the pivot linkage complex cam of shifter, two contact holders with cam linkage complex, two moving contacts that set up respectively on two contact holders, a plurality of setting just respectively with two moving contact matched with static contacts in the casing, binding post, current universal change-over switch's structural design is unreasonable, the static contact, binding post all exposes outside the casing, the user touches binding post easily, the potential safety hazard is great, the security performance is lower, and this change-over switch still has the unreliable of performance, assemble convenient defect.
Disclosure of Invention
An object of the utility model is to overcome prior art's defect, provide a simple structure, stable performance are reliable, the assembly is convenient, the omnipotent change over switch of high security.
In order to achieve the above object, the utility model discloses a universal transfer switch, which comprises a shell, a mounting panel arranged on the shell, a handle rotationally arranged on the shell, a transfer mechanism and a contact system, wherein the contact system comprises a plurality of bases arranged at the lower end of the shell in a superposition manner, and a plurality of groups of contact modules respectively arranged in the accommodating cavities of the bases, the contact modules comprise a contact head frame in linkage fit with a cam of the transfer mechanism, a spring arranged between the contact head frame and the bases, a moving contact arranged on the contact head frame in linkage manner, and two static contacts matched with the moving contact, one end of each static contact is provided with a contact part extending in the accommodating cavity, the contact part is provided with a static contact matched with the moving contact, the base is provided with an accommodating groove communicated with the accommodating cavity, the other end of each static contact is provided with a wiring part bent and extending in the accommodating groove, the wiring part is provided with a wiring terminal.
The beneficial effect of above-mentioned structure is: the static contact sets up in the holding intracavity, and binding post sets up in the holding tank, and static contact, binding post adopt hidden structural design, can avoid static contact, binding post to expose outside the base, and the user can not touch binding post, and the security is higher. Therefore, the universal change-over switch has the advantages of simple structure, stable and reliable performance, convenient assembly and high safety.
Particularly, the base is provided with a positioning groove matched with the static contact, the contact part is provided with a positioning lug matched with the positioning groove, and the positioning lug is clamped in the positioning groove and forms clamping matching of the static contact and the base. The static contact is connected with the base in a clamping matching mode, so that the static contact and the base are convenient to assemble, and the assembly is more convenient.
Particularly, the mounting panel comprises a mounting seat and a face cover, the mounting seat and the face cover are arranged on the shell, a plurality of mounting holes are formed in the mounting seat, a plurality of connecting holes matched with the shell are formed in the mounting seat, screws connected with the shell are arranged in the connecting holes, and the face cover is arranged on the mounting seat and covers the mounting holes and the connecting holes. The face cover covers the mounting holes and the screws, and the mounting holes and the screws can be prevented from being exposed, so that the mounting panel is better in protection and attractive in appearance.
Particularly, the face cover is provided with a through hole for the operation rotating shaft to pass through, the mounting seat is respectively provided with a plurality of clamping hooks corresponding to the through hole, the clamping hooks pass through the through hole and are clamped on the face cover, and the clamping fit of the mounting seat and the face cover is formed. The face lid adopts the joint cooperation mode to be connected with the mount pad to be convenient for the assembly of face lid and mount pad, it is more convenient to assemble.
Drawings
Fig. 1 is a perspective view of the embodiment of the present invention.
Fig. 2 is an exploded view of the embodiment of the present invention.
Fig. 3 is an internal structure diagram of the embodiment of the present invention.
Fig. 4 is an assembly view of the static contact and the connecting terminal according to the embodiment of the present invention.
Detailed Description
As shown in fig. 1 to 4, an embodiment of the present invention is a universal transfer switch, including a housing 10, a mounting panel 11 disposed on the housing 10, a handle 12 rotatably disposed on the housing 10, a transfer mechanism 13, and a contact system 20, wherein the contact system 20 includes a plurality of bases 21 stacked on a lower end of the housing 10, and a plurality of sets of contact modules 22 disposed in the accommodating cavities 211 of the bases 21, respectively, the contact modules 22 include a contact frame 23 cooperating with a cam 131 of the transfer mechanism 13, a spring disposed between the contact frame 23 and the base 21, a movable contact 24 cooperating with the contact frame 23, and two stationary contacts 25 cooperating with the movable contact 24, one end of the stationary contact 25 has a contact portion 251 extending in the accommodating cavity 211, the contact portion 251 is provided with a stationary contact 252 cooperating with the movable contact 24, the base 21 is provided with an accommodating cavity 212 communicating with the accommodating cavity 211, the other end of the static contact 25 has a wire connection portion 253 bent and extending in the accommodation groove 212, and the wire connection portion 253 is provided with a wire connection terminal 26. The base 21 is provided with a positioning groove 213 matched with the static contact 25, the contact portion 251 is provided with a positioning bump 254 matched with the positioning groove 213, and the positioning bump 254 is clamped in the positioning groove 213 to form a clamping fit between the static contact 25 and the base 21. The static contact and the base are connected in a clamping matching mode, so that the static contact and the base can be assembled conveniently, and the assembly is more convenient.
As shown in fig. 2, the mounting panel 11 includes a mounting base 111 and a surface cover 112 disposed on the housing 10, the mounting base 111 is provided with a plurality of mounting holes 113, the mounting base 111 is provided with a plurality of connecting holes 114 matching with the housing 10, the connecting holes 114 are provided with screws connected with the housing 10, and the surface cover 112 is disposed on the mounting base 111 and covers the mounting holes 113 and the connecting holes 114. The surface cover covers the mounting holes and the screws, so that the mounting holes and the screws can be prevented from being exposed, and the mounting panel is better in protection and attractive. The face cover 112 is provided with a through hole 115 through which the operation rotating shaft 132 can pass, the mounting base 111 is provided with a plurality of hooks 116 corresponding to the through hole 115, the hooks 116 pass through the through hole 115 and are clamped on the face cover 112, and the mounting base 111 and the face cover 112 are clamped and matched. The face lid adopts the joint cooperation mode to be connected with the mount pad to be convenient for the assembly of face lid and mount pad, it is more convenient to assemble.
The static contact sets up in the holding intracavity, and binding post sets up in the holding tank, and static contact, binding post adopt hidden structural design, can avoid static contact, binding post to expose outside the base, and the user can not touch binding post, and the security is higher. Therefore, the universal change-over switch has the advantages of simple structure, stable and reliable performance, convenient assembly and high safety.
Claims (4)
1. The utility model provides a omnipotent change over switch, includes the casing, sets up installation panel on the casing, rotates handle, shifter, the contact system that sets up on the casing, the contact system set up the contact module that sets up respectively in the holding intracavity of each base, its characterized in that including a plurality of bases, the multiunit of stack setting at the casing lower extreme: the contact module comprises a contact frame in linkage fit with a cam of the switching mechanism, a spring arranged between the contact frame and the base, a moving contact arranged on the contact frame in linkage, and two static contacts matched with the moving contact, wherein one end of each static contact is provided with a contact part extending in the accommodating cavity, the contact part is provided with a static contact matched with the moving contact, the base is provided with an accommodating groove communicated with the accommodating cavity, the other end of each static contact is provided with a wiring part bent and extending in the accommodating groove, and the wiring part is provided with a wiring terminal.
2. The universal switch according to claim 1, wherein: the base is provided with a positioning groove matched with the static contact, the contact part is provided with a positioning lug matched with the positioning groove, and the positioning lug is clamped in the positioning groove and forms clamping matching of the static contact and the base.
3. Universal changeover switch according to claim 1 or 2, characterized in that: the mounting panel comprises a mounting seat and a face cover, wherein the mounting seat and the face cover are arranged on the shell, a plurality of mounting holes are formed in the mounting seat, a plurality of connecting holes matched with the shell are formed in the mounting seat, screws connected with the shell are arranged in the connecting holes, and the face cover is arranged on the mounting seat and covers the mounting holes and the connecting holes.
4. The universal switch according to claim 3, wherein: the face cover on be provided with the through-hole that can supply the operation pivot to pass, the mount pad on correspond through-hole department and be provided with a plurality of pothooks respectively, a plurality of pothooks pass through the through-hole and the block is covered on the face, and constitute the joint cooperation of mount pad and face lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221359900.1U CN217485317U (en) | 2022-05-31 | 2022-05-31 | Universal change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221359900.1U CN217485317U (en) | 2022-05-31 | 2022-05-31 | Universal change-over switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217485317U true CN217485317U (en) | 2022-09-23 |
Family
ID=83313088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221359900.1U Active CN217485317U (en) | 2022-05-31 | 2022-05-31 | Universal change-over switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217485317U (en) |
-
2022
- 2022-05-31 CN CN202221359900.1U patent/CN217485317U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |