CN211700940U

CN211700940U - Lightning protection switch

Info

Publication number: CN211700940U
Application number: CN202020380581.7U
Authority: CN
Inventors: 汪吕超; 周驰; 汪文忠
Original assignee: Hangzhou Boliede Electric Appliance Co ltd
Current assignee: Hangzhou Boliede Electric Appliance Co ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-10-16
Anticipated expiration: 2030-03-23

Abstract

The utility model relates to a switch is hit in lightning protection relates to the technical field of switch. In the prior art, when the lightning protection switch is struck by lightning, the fuse wire is burnt, an operator needs to detach the switch and then replace the fuse wire in the switch, and the operation is complex. In the scheme, the outer side of the shell is provided with a mounting hole, a mounting box is connected in the mounting hole in a sliding manner, the upper side of the mounting box is provided with an opening, and a fuse wire is placed in the mounting box; the inner side of the shell is provided with a connecting box, and the outer side of the shell is provided with a communicating hole; a connecting rod is rotationally connected in the communicating hole, and a second gear is fixed at one end of the connecting rod in the connecting box; a third rack is connected in the connecting box in a sliding manner, and a second gear is meshed with the third rack; one side of the third rack far away from the second gear is provided with a locking piece for locking the mounting box, and one side of the mounting box far away from the mounting hole is fixed with a second spring. The operator rotates the connecting rod to remove the locking, the second spring pops out the mounting box, the operator of being convenient for changes the fusible link.

Description

Lightning protection switch

Technical Field

The utility model belongs to the technical field of the technique of switch and specifically relates to a lightning protection switch is related to.

Background

The lightning protection switch is also called as an anti-surge switch, and the socket is normally used when no overlarge current passes through the socket; the common household appliances do not have heavy-load appliances, so when overlarge current passes through the household appliances, the lightning stroke is the only possible trigger, the larger current passes through the fuse wire of the socket, and the circuit is disconnected after the fuse wire is burnt out, thereby achieving the effect of protecting the circuit.

The above prior art solutions have the following drawbacks: after the fuse wire is burnt out, an operator needs to detach the switch and then replace the fuse wire in the switch, and the operation is complex.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lightning protection switch can change the fuse comparatively conveniently.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the outer side of the shell is provided with a mounting hole, a mounting box is connected in the mounting hole in a sliding manner, the upper side of the mounting box is provided with an opening, and a fuse wire is placed in the mounting box; the inner side of the shell is provided with a connecting box, the outer side of the shell is provided with a communicating hole, and the communicating hole is communicated in the connecting box; a connecting rod is rotatably connected in the communicating hole, one end part of the connecting rod is positioned outside the communicating hole, and a second gear is fixed at one end of the connecting rod in the connecting box; a third rack is connected in the connecting box in a sliding manner, and a second gear is meshed with the third rack; one side of the third rack far away from the second gear is provided with a locking piece for locking the mounting box, and one side of the mounting box far away from the mounting hole is fixed with a second spring.

By adopting the technical scheme, the fuse wire is communicated with the electric wire to form a loop, and after lightning strike occurs, the fuse wire is burnt to protect the circuit; an operator only needs to rotate the connecting rod to drive the second gear to rotate, and the second gear drives the third rack to move so as to remove the locking piece; after the mounting box was relieved to lock, the second spring gave the mounting box and kept away from the power of mounting hole to outside pushing out mounting box to the mounting hole, thereby made the operator take out the fusible link, the operation is more convenient.

Preferably: the outer side of the shell is provided with a communicating hole, a connecting device is arranged in the connecting box and comprises a first rack sliding along the vertical direction, one end of the first rack is provided with a guide surface, and the end, provided with the guide surface, of the first rack is close to the mounting box; a first spring is fixed at one end of the first rack far away from the mounting box; the connecting device also comprises a first gear rotationally connected in the connecting box and a second rack sliding along the vertical direction; the first gear is meshed with the first rack and the second rack simultaneously; and a connecting frame is fixed on one side of the second rack, and copper rings are arranged at two ends of the connecting frame and are communicated with the fuse wire.

By adopting the technical scheme, when an operator takes out the mounting box, the first rack is not supported by the mounting box any more, the first rack is under the elastic action of the first spring, so that the first rack vertically moves downwards to drive the first gear to rotate, the first gear rotates to drive the second rack to vertically move upwards, the connecting frame is far away from the fuse wire, and a circuit is disconnected; the electric wire does not directly contact with the fuse, and when an operator takes and places the fuse, the mounting box drives the electric wire to drag back and forth and is in contact with the mounting hole, so that the electric wire is abraded.

Preferably: and a rotating sheet is fixed at one end of the connecting rod, which is positioned outside the communicating hole.

Through adopting above-mentioned technical scheme, thereby the operator finger of being convenient for grips the rotor and rotates the connecting rod.

Preferably: one side of the third rack close to the mounting box is provided with a containing hole; the locking piece comprises a third spring fixed in the accommodating hole, one end of the third spring is fixed with a locking block, and one side of the locking block is provided with a guide surface; and one side of the mounting box, which is close to the third rack, is provided with a locking hole.

Through adopting above-mentioned technical scheme, when the operator rotates the connecting rod to when making the third rack remove, the pore wall extrusion of locking hole is received to the spigot surface of locking piece, makes the locking hole extruded to in the containing hole, thereby removes the locking of mounting box, and it is comparatively simple and convenient to operate, and stability is higher.

Preferably: the outer side of the shell is provided with three jacks; the inner side of the shell is slidably connected with a blocking piece which blocks the communication part of the three jacks; one side of the blocking sheet is provided with a guide surface; and a fourth spring for driving the blocking piece to move along the vertical direction is arranged in the shell.

By adopting the technical scheme, when an operator does not connect a plug in the three-head socket, the blocking piece blocks the three-head socket, so that dust and small insects are prevented from entering the interior of the switch, and the service life of the switch is further influenced; when an operator needs to insert the plug, the plug extrudes the guide surface of the blocking piece to enable the blocking piece to vertically move downwards, so that the plug is inserted; when the plug is pulled out, the blocking piece is subjected to the elastic force of the fourth spring, so that the blocking piece is reset, and the three jacks are blocked.

Preferably: an insulating layer is arranged on one side of the blocking sheet.

Through adopting above-mentioned technical scheme, when three sockets are not external plug, the insulating layer makes stop the piece not communicate with the switch is inside, avoids child carelessly to touch three sockets with the finger and causes the potential safety hazard.

Preferably: clamping blocks are fixed on two opposite sides of the blocking piece; two vertically arranged support rods are fixed inside the shell, and the side surfaces of the support rods, which are close to each other, are provided with sliding grooves arranged along the vertical direction; the two clamping blocks are respectively clamped in the two sliding grooves in a sliding manner.

Through adopting above-mentioned technical scheme, make joint piece slip joint in the sliding tray, stability is stronger when making to block the vertical direction removal of piece.

Preferably: and a fluorescent sheet is arranged on the outer side of the shell.

Through adopting above-mentioned technical scheme, the fluorescence piece also can give out light night, and the operator of being convenient for can accurately find the switch fast evening.

To sum up, the utility model discloses a beneficial technological effect does:

1. in the scheme, an operator can conveniently take out the mounting box after the fuse wire is burnt out, so that the fuse wire is replaced, and the operation is more convenient;

2. in the scheme, when the switch is not provided with the plug, the three jacks are sealed by the blocking sheet, so that insects and dust are prevented from entering the switch, and the service life is prolonged;

3. in this scheme, the operator can make fuse and switching circuit automatic disconnection when taking out the mounting box, avoids will dragging the electric wire to the pore wall of mounting hole to cause the electric wire wearing and tearing.

Drawings

Fig. 1 is a schematic structural diagram according to the present invention.

Fig. 2 is a partial structural schematic diagram of the inside of fig. 1.

Fig. 3 is a schematic view of the structure of the back side of fig. 1.

Fig. 4 is a sectional view of fig. 2, showing the internal structure thereof.

Fig. 5 is a partial exploded view of fig. 3, showing the connection relationship thereof.

In the figure, 1, a housing; 11. a fluorescent sheet; 12. a three-head socket; 13. mounting holes; 14. mounting a box; 141. a second spring; 15. a communicating hole; 2. a connection box; 3. a connecting rod; 31. rotating the sheet; 32. a second gear; 33. a third rack; 331. a receiving hole; 34. a locking member; 341. a third spring; 342. a locking block; 35. a locking hole; 4. a connecting device; 41. a first rack; 411. a first spring; 42. a first gear; 43. a second rack; 44. a connecting frame; 5. a blocking sheet; 51. a clamping block; 52. a support bar; 521. a sliding groove; 53. an insulating layer; 6. and a fourth spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, a switch for preventing lightning stroke disclosed in this embodiment includes a housing 1, a mounting hole 13 is opened on an outer side of the housing 1, a mounting box 14 is slidably connected in the mounting hole 13, an upper side of the mounting box 14 is opened, and a fuse is placed in the mounting box 14.

Referring to fig. 1 and 2, a connection box 2 (see fig. 3) is installed inside a housing 1, a communication hole 15 is formed on the outer side of the housing 1, and the communication hole 15 is communicated with the inside of the connection box 2; the intercommunicating pore 15 is rotatably connected with a connecting rod 3, one end of the connecting rod 3 is rotatably connected in the connecting box 2, and the other end of the connecting rod 3 is positioned outside the shell 1 and is fixed with a rotating piece 31.

Referring to fig. 2 and 4, a second gear 32 is fixed to the outer circumference of one end of the connecting rod 3 located inside the connecting box 2; a third rack 33 is arranged in the connecting box 2 in a sliding manner along the horizontal direction, and the lower side of the third rack 33 is meshed with the second gear 32; a receiving hole 331 is formed in one side of the third rack 33 away from the second gear 32, and a locking piece 34 is arranged in the receiving hole 331; the locking member 34 includes a third spring 341 with one end fixed in the receiving hole 331, a locking block 342 is fixed at one end of the third spring 341, and a guide surface is arranged at one side of the locking block 342 far away from the third spring 341; a locking hole 35 is formed in one side of the third rack 33, and the locking block 342 is slidably engaged with the locking hole 35. A second spring 141 is fixed to the mounting box 14 on a side away from the mounting hole 13.

Referring to fig. 2, a connecting device 4 is arranged in the connecting portion, the connecting device 4 includes a first rack 41 slidably engaged with the inner side of the connecting box 2 along the vertical direction, the first rack 41 is located on the side of the mounting box 14 far away from the mounting hole 13, and a guide surface is arranged on the side of the first rack 41 close to the mounting box 14 and is in press fit with the mounting box 14; a first spring 411 is fixed to an upper side of the first rack 41 and gives an elastic force to the first rack 41 to move vertically downward.

Referring to fig. 2, the connecting device 4 further comprises a first gear 42 rotatably connected inside the connecting box 2, a second rack 43 sliding in the vertical direction; the first gear 42 is engaged with both the first rack 41 and the second rack 43. A connecting frame 44 is fixed on one side of the second rack 43 far away from the first gear 42, and one side of the connecting frame 44 is in sliding and clamping connection with the inner side of the shell 1 along the vertical direction; and the copper sheets are fixed at both ends of the connecting frame 44 and are communicated with both ends of the fuse, and the electric wires are connected at both sides of the connecting frame 44 to communicate the circuits in the switch.

Referring to fig. 1 and 3, a three-head socket 12 is formed on the outer side of a housing 1, a blocking piece 5 is connected to the inner side of the housing 1 in a sliding manner along the vertical direction, the blocking piece 5 is in a chevron shape, the blocking piece 5 is blocked at the communication position of the three-head socket 12, and a guide surface is arranged on the side surface of the blocking piece 5 close to the three-head socket 12; clamping blocks 51 (shown in fig. 5) are fixed on two opposite sides of the blocking piece 5, two vertically arranged support rods 52 are fixed inside the shell 1, and sliding grooves 521 arranged along the vertical direction are formed in the side surfaces, close to each other, of the support rods 52; the two clamping blocks 51 are respectively clamped in the two sliding grooves 521 in a sliding manner; and a plurality of fourth springs 6 for driving the blocking plate 5 to move along the vertical direction are fixed in the shell 1, and the end parts of the fourth springs 6 are fixedly connected to the bottom side of the blocking plate 5.

Referring to fig. 3, an insulating layer 53 is fixed on one side of the blocking sheet 5, and when no plug is inserted into the triple-socket 12, the blocking sheet 5 blocks the communication position of the triple-socket 12 to prevent dust and small insects from entering the switch to damage the internal electrical appliance of the switch; and the insulating layer 53 prevents children from inadvertently inserting fingers into the three-head socket 12 to cause potential safety hazards.

Referring to fig. 1, a fluorescent sheet 11 is arranged on the outer side of the housing 1, and the fluorescent sheet 11 can emit light at night, so that an operator can quickly and accurately find the switch at night.

The implementation principle of the embodiment is as follows: the fuse wire is communicated with the electric wire to form a loop, and after lightning strike occurs, the fuse wire is burnt out so as to protect the circuit; an operator only needs to rotate the connecting rod 3 to drive the second gear 32 to rotate, the second gear 32 drives the third rack 33 to move, so that the guide surface of the locking block 342 extrudes the locking hole 35, the locking block 342 is extruded into the accommodating hole 331, and the third rack 33 moves to ensure that the locking block 342 is not clamped in the locking hole 35 any more, so that the locking of the mounting box 14 is released;

after the mounting box 14 is unlocked, the second spring 141 gives the mounting box 14 a force away from the mounting hole 13, so that the mounting box 14 is pushed out of the mounting hole 13, an operator can take out the fusible link, and the operation is more convenient and faster;

when the mounting box 14 is pushed out of the mounting hole 13, the first rack 41 is under the elastic action of the first spring 411, so that the first rack 41 vertically moves downwards, the first gear 42 drives the second rack 43 to vertically move upwards, the connecting frame 44 is driven, the communication between the copper sheet and the fuse wire is released, and when an operator replaces the fuse wire, the electric wire does not rub against the hole wall of the mounting hole 13, so that the service life of the electric wire is prolonged.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A switch is hit in lightning protection, includes shell (1), its characterized in that: the outer side of the shell (1) is provided with a mounting hole (13), the mounting hole (13) is connected with a mounting box (14) in a sliding mode, the upper side of the mounting box (14) is provided with an opening, and a fuse wire is placed in the mounting box (14); the inner side of the shell (1) is provided with a connecting box (2), the outer side of the shell (1) is provided with a communicating hole (15), and the communicating hole (15) is communicated in the connecting box (2); a connecting rod (3) is rotatably connected in the communicating hole (15), one end part of the connecting rod (3) is positioned outside the communicating hole (15), and a second gear (32) is fixed at one end of the connecting rod (3) positioned in the connecting box (2); a third rack (33) is connected in the connecting box (2) in a sliding way, and a second gear (32) is meshed with the third rack (33); a locking piece (34) used for locking the mounting box (14) is arranged on one side, away from the second gear (32), of the third rack (33), and a second spring (141) is fixed on one side, away from the mounting hole (13), of the mounting box (14).

2. The lightning protection switch of claim 1, wherein: a connecting device (4) is arranged in the connecting box (2), the connecting device (4) comprises a first rack (41) which slides along the vertical direction, a guide surface is arranged at one end of the first rack (41), and the end, provided with the guide surface, of the first rack (41) is close to the mounting box (14); a first spring (411) is fixed at one end of the first rack (41) far away from the mounting box (14); the connecting device (4) also comprises a first gear (42) which is rotatably connected in the connecting box (2) and a second rack (43) which slides along the vertical direction; the first gear (42) is meshed with the first rack (41) and the second rack (43) simultaneously; one side of the second rack (43) is fixed with a connecting frame (44), and two ends of the connecting frame (44) are provided with copper rings and are communicated with the fuse wire.

3. The lightning protection switch of claim 1, wherein: and a rotating sheet (31) is fixed at one end of the connecting rod (3) which is positioned outside the communicating hole (15).

4. The lightning protection switch of claim 1, wherein: one side of the third rack (33) close to the mounting box (14) is provided with a receiving hole (331); the locking piece (34) comprises a third spring (341) fixed in the accommodating hole (331), a locking block (342) is fixed at one end of the third spring (341), and a guide surface is arranged at one side of the locking block (342); one side of the mounting box (14) close to the third rack (33) is provided with a locking hole (35).

5. The lightning protection switch of claim 1, wherein: the outer side of the shell (1) is provided with three jacks (12); the inner side of the shell (1) is connected with a blocking sheet (5) in a sliding way, and the blocking sheet (5) blocks the communication position of the three-head socket (12); one side of the blocking sheet (5) is provided with a guide surface; and a fourth spring (6) for driving the blocking sheet (5) to move along the vertical direction is arranged in the shell (1).

6. The lightning protection switch of claim 5, wherein: and an insulating layer (53) is arranged on one side of the barrier sheet (5).

7. The lightning protection switch of claim 5, wherein: clamping blocks (51) are fixed on two opposite sides of the blocking piece (5); two vertically arranged support rods (52) are fixed in the shell (1), and sliding grooves (521) arranged along the vertical direction are formed in the side surfaces, close to each other, of the support rods (52); the two clamping blocks (51) are respectively clamped in the two sliding grooves (521) in a sliding manner.

8. The lightning protection switch of claim 1, wherein: the outer side of the shell (1) is provided with a fluorescent sheet (11).