CN211125439U

CN211125439U - Zero-fire double-break switch

Info

Publication number: CN211125439U
Application number: CN201922144873.0U
Authority: CN
Inventors: 张建挺
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-07-28
Anticipated expiration: 2029-12-04

Abstract

The utility model relates to a zero fire double-break switch, shell and drain pan including mutual lock, be equipped with in the cavity that forms between shell and the drain pan by the wheel that the shell front side stretches out, install the runner according to the rear end of wheel, the rear end of runner is equipped with the support, the middle part of terminal surface is equipped with the projection with the runner contact before the support, the cover is equipped with the spring on the outer wall of projection, the upper left corner department of terminal surface does not is equipped with first static contact and second static contact with and the lower right corner punishment of terminal surface in the drain pan, and the lower left corner department of terminal surface does not be equipped with first movable contact and second movable contact with and the upper right corner punishment of terminal surface in the drain pan, be equipped with two support contacts on the rear end face of support, two support contacts correspond with the expansion end of first movable contact and the expansion end of second movable contact respectively. The utility model discloses a zero fire double break switch structural design is reasonable, has reduced the potential safety hazard, and the outward appearance is small and exquisite, and the structure is more reasonable, and the assembly is simpler.

Description

Zero-fire double-break switch

Technical Field

The utility model relates to a zero fire double break switch.

Background

At present, a power socket often uses a button switch, the traditional button switch is generally single-phase, only one circuit is controlled, zero appears, under the condition that a live wire is reversely connected, the jack of the switch is still electrified, hidden dangers are brought, in order to solve the problem, the design of synchronously disconnecting the live wire of a zero line is adopted on the market, the movable contact needs to be embedded on a shell when the movable contact is installed in an injection mode, the reject ratio is very high, the assembly time is required to be checked, and an isolation groove is not designed on a pressing support, so that the influence of electric arcs cannot be eliminated.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a zero fire double break switch.

The zero-fire double-break switch of the utility model comprises a shell and a bottom shell which are mutually buckled, a pressing wheel which extends from the front side of the shell is arranged in a cavity formed between the shell and the bottom shell, a rotating wheel is arranged at the rear end of the pressing wheel, a bracket is arranged at the rear end of the rotating wheel, a convex column which is contacted with the rotating wheel is arranged in the middle of the front end surface of the bracket, a spring is sleeved on the outer wall of the convex column, a first static contact piece and a second static contact piece are respectively arranged at the left upper corner of the inner end surface of the bottom shell and the right lower corner of the inner end surface of the bottom shell, a first movable contact piece and a second movable contact piece are respectively arranged at the left lower corner of the inner end surface of the bottom shell and the right upper corner of the inner end surface of the bottom shell, the contact of the first movable contact piece corresponds to the contact of the first static contact piece, the contact of the second movable contact piece corresponds to the contact of the second static contact piece, and the two support contacts are respectively corresponding to the movable end of the first movable contact piece and the movable end of the second movable contact piece.

The utility model discloses a zero fire double break switch, all be equipped with the ka tai on the top face of shell and the bottom face, the upper and lower both ends of drain pan all are equipped with and block platform matched with couple, and it is fixed with the mutual block of ka tai through the couple between drain pan and the shell.

The utility model discloses a zero fire double break switch, the interior terminal surface of shell is equipped with the support groove corresponding with the support, all is equipped with the rectangular channel on the shell of support groove both ends department, the support is located support inslot and can slide around, the both ends department of terminal surface all is equipped with the stand corresponding with the rectangular channel before the support.

The utility model discloses a zero fire double break switch, the upper left corner department of terminal surface in the drain pan and the lower right corner department of terminal surface in the drain pan all are equipped with first socket, first static contact and second static contact are pegged graft respectively in two first sockets, the lower left corner department of terminal surface in the drain pan and the upper right corner department of terminal surface in the drain pan all are equipped with the second socket, first movable contact spring and second movable contact spring are pegged graft respectively in two second sockets.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a zero fire double break switch structure reasonable in design, through disconnection and the closure according to wheel and support drive two sets of static contact and movable contact, the potential safety hazard has been reduced, divide into shell and drain pan to the casing in addition, the design is used for installing the slot of static contact and movable contact on the drain pan, very big having made things convenient for the installation of static contact and movable contact, design and support assorted support slot in the shell, not only play spacing effect to the support, and can effectually keep apart electric arc, the shell passes through the mode lock of couple with the drain pan, the efficiency of assembly has been improved greatly, the outward appearance is small and exquisite, the structure is more reasonable, the assembly is simpler.

Drawings

Fig. 1 is a schematic structural diagram of a zero-fire double-break switch according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of a zero-fire double-break switch according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an outer shell of a zero-fire double-break switch according to an embodiment of the present invention;

fig. 4 is a schematic view of a connection structure between a housing and a bracket in a zero-fire double-break switch according to an embodiment of the present invention.

In the figure:

1. a housing; 2. a bottom case; 3. pressing the wheel; 4. a rotating wheel; 5. a support; 6. a spring; 7. a first static contact; 8. a second static contact; 9. a first movable contact piece; 10. a second movable contact piece; 11. a bracket contact; 12. clamping a platform; 13. hooking; 14. a bracket groove; 15. a rectangular groove; 16. a column; 17. a first socket; 18. a second socket.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in figures 1-4, a zero-fire double-break switch comprises a shell 1 and a bottom shell 2 which are mutually buckled, a press wheel 3 extending from the front side of the shell 1 is arranged in a cavity formed between the shell 1 and the bottom shell 2, a rotating wheel 4 is arranged at the rear end of the press wheel 3, a bracket 5 is arranged at the rear end of the rotating wheel 4, a convex column which is contacted with the rotating wheel 4 is arranged in the middle of the front end surface of the bracket 5, a spring 6 is sleeved on the outer wall of the convex column, a first static contact 7 and a second static contact 8 are respectively arranged at the upper left corner of the inner end surface of the bottom shell 2 and the lower right corner of the inner end surface of the bottom shell 2, a first movable contact 9 and a second movable contact 10 are respectively arranged at the lower left corner of the inner end surface of the bottom shell 2 and the upper right corner of the inner end surface of the bottom shell 2, the contact of the first movable contact 9 corresponds to the contact of the first static contact 7, the contact, two bracket contacts 11 are arranged on the rear end surface of the bracket 5, and the two bracket contacts 11 correspond to the movable end of the first movable contact piece 9 and the movable end of the second movable contact piece 10 respectively.

The utility model discloses a zero fire double break switch, all be equipped with ka tai 12 on the top face of shell 1 and the bottom face, the upper and lower both ends of drain pan 2 all are equipped with and block 12 matched with couple 13 with ka tai, and it is fixed with the mutual block of ka tai 12 through couple 13 between drain pan 2 and the shell 1.

The utility model discloses a zero fire double break switch, the interior terminal surface of shell 1 is equipped with the support groove 14 corresponding with support 5, all is equipped with rectangular channel 15 on the shell of support groove 14 both ends department, but support 5 is located and slides around in support groove 14, the both ends department of terminal surface all is equipped with the stand 16 corresponding with rectangular channel 15 before support 5.

The utility model discloses a zero fire double break switch, the upper left corner department of terminal surface in drain pan 2 is with and the lower right corner department of terminal surface in drain pan 2 all is equipped with first socket 17, first static contact 7 and second static contact 8 are pegged graft respectively in two first sockets 17, the lower left corner department of terminal surface in drain pan 2 is with and the upper right corner department of terminal surface in drain pan 2 all is equipped with second socket 18, peg graft respectively in two second sockets 18 first movable contact 9 and second movable contact 10.

The utility model discloses a zero fire double break switch structure reasonable in design, through disconnection and the closure according to wheel and support drive two sets of static contact and movable contact, the potential safety hazard has been reduced, divide into shell and drain pan to the casing in addition, the design is used for installing the slot of static contact and movable contact on the drain pan, very big having made things convenient for the installation of static contact and movable contact, design and support assorted support slot in the shell, not only play spacing effect to the support, and can effectually keep apart electric arc, the shell passes through the mode lock of couple with the drain pan, the efficiency of assembly has been improved greatly, the outward appearance is small and exquisite, the structure is more reasonable, the assembly is simpler.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a zero fire double-break switch, includes shell (1) and drain pan (2) of mutual lock, its characterized in that: a pressing wheel (3) extending from the front side of the shell (1) is arranged in a cavity formed between the shell (1) and the bottom shell (2), a rotating wheel (4) is installed at the rear end of the pressing wheel (3), a support (5) is arranged at the rear end of the rotating wheel (4), a convex column in contact with the rotating wheel (4) is arranged in the middle of the front end face of the support (5), a spring (6) is sleeved on the outer wall of the convex column, a first static contact sheet (7) and a second static contact sheet (8) are respectively arranged at the upper left corner of the inner end face of the bottom shell (2) and the lower right corner of the inner end face of the bottom shell (2), a first movable contact sheet (9) and a second movable contact sheet (10) are respectively arranged at the lower left corner of the inner end face of the bottom shell (2) and the upper right corner of the inner end face of the bottom shell (2), the contact of the first movable contact sheet (9) corresponds to the contact of the first static contact sheet (7), and the contact sheet (10) corresponds to, two bracket contacts (11) are arranged on the rear end surface of the bracket (5), and the two bracket contacts (11) respectively correspond to the movable end of the first movable contact piece (9) and the movable end of the second movable contact piece (10).

2. A dry fire double break switch as defined in claim 1, wherein: all be equipped with ka tai (12) on the top face and the bottom face of shell (1), the upper and lower both ends of drain pan (2) all are equipped with and block platform (12) matched with couple (13), and it is fixed with the mutual block of ka tai (12) through couple (13) between drain pan (2) and shell (1).

3. A dry fire double break switch as defined in claim 1, wherein: the inner end face of the shell (1) is provided with a support groove (14) corresponding to the support (5), the shells at two ends of the support groove (14) are respectively provided with a rectangular groove (15), the support (5) is located in the support groove (14) and can slide back and forth, and two ends of the front end face of the support (5) are respectively provided with an upright post (16) corresponding to the rectangular groove (15).

4. A dry fire double break switch as defined in claim 1, wherein: the left upper corner of the inner end face of the bottom shell (2) and the right lower corner of the inner end face of the bottom shell (2) are respectively provided with a first socket (17), the first static contact piece (7) and the second static contact piece (8) are respectively inserted into the two first sockets (17), the left lower corner of the inner end face of the bottom shell (2) and the right upper corner of the inner end face of the bottom shell (2) are respectively provided with a second socket (18), and the first movable contact piece (9) and the second movable contact piece (10) are respectively inserted into the two second sockets (18).