CN221352625U - Circuit cutting structure - Google Patents

Abstract

The utility model relates to a circuit cutting structure which comprises a shell, a pulling key, a rotating piece, an elastic piece and a PCB (printed circuit board), wherein the shell is provided with a containing cavity, the pulling key, the rotating piece, the elastic piece and the PCB are arranged in the containing cavity, a sliding groove is arranged in the containing cavity, the pulling key is arranged in the sliding groove in a sliding way, the elastic piece is arranged in the containing cavity and at one end of the rotating piece far away from the pulling key, a contact part is arranged at one end of the elastic piece far away from the rotating piece, the contact part is abutted with the PCB, the pulling key slides to pull the rotating piece to rotate, one end of the rotating piece far away from the pulling key presses the elastic piece to separate the contact part from the PCB by rotating the pulling key, the rotating piece is slid to pull the rotating piece anticlockwise, and the contact part is separated from the PCB by rotating the elastic piece, so that a circuit is disconnected, and a lamp is convenient to replace.

Description

Circuit cutting structure

Technical Field

The utility model relates to the technical field of circuits, in particular to a circuit cutting structure.

Background

The electric lamp, namely an artificial lighting appliance using electricity as an energy source, can convert the electricity into light, greatly promotes the progress of human civilization, and common electric lamps are incandescent lamps, fluorescent lamps, LED lamps and the like. In our modern life, the electric lamp is an indispensable living article, and the lamp is inevitably damaged under long-time use, which brings inconvenience to life, and further, a new lamp needs to be replaced by a traditional dimmer or a switch, the traditional dimmer or the switch has no disconnection structure, the operation can be realized by switching off the main switch when the lamp is replaced, and the lamp is time-consuming and labor-consuming, and other electric appliances are disconnected, so that the normal use of other electric appliances is affected.

Disclosure of utility model

Based on this, the situation that the damage appears is unavoidable to the necessary needle bulb under long-time use, and this brings inconvenience for life, and then needs we to change new bulb, and traditional light modulator or switch does not have the disconnection structure, must break the master switch and just can operate when changing lamps and lanterns, and is more time-consuming and laborious, and other electrical appliances have also been disconnected, influence other electrical appliances's normal use problem, provides a circuit shutdown structure.

The utility model provides a circuit cutting structure, includes the shell, pulls out key, rotates piece, shell fragment and PCB board, the shell is provided with and holds the chamber, pull out key, rotate piece, shell fragment and PCB board set up in hold the intracavity, it is provided with the spout to hold the intracavity, pull out the key slide set up in the spout, the shell fragment set up in hold the intracavity and rotate the piece and keep away from pull out key one end, the shell fragment is kept away from rotate one end and be provided with contact portion, contact portion and PCB board butt, pull out the key and pull out through sliding and rotate the piece and rotate, rotate the piece keep away from pull out key one end through rotating the shell fragment press the messenger contact portion with the PCB board separation.

In one embodiment, the spring plate is provided with a first protruding portion, and the pulling key presses the first protruding portion through rotation to separate the contact portion from the PCB.

In one embodiment, the first protruding portion is disposed in a middle portion of a surface of the elastic sheet facing the rotating member.

In one embodiment, the first boss is semi-circular in cross-section.

In one embodiment, the rotating member is provided with a rotating shaft in the middle, the accommodating cavity is provided with a clamping groove, and the rotating member is rotatably arranged in the accommodating cavity through the clamping groove.

In one embodiment, the pulling key pulls the rotating member to rotate the rotating member around the rotating shaft.

In one embodiment, the pulling key is provided with a second protruding portion, one end of the rotating member, which is close to the pulling key, is provided with a groove, and the second protruding portion is embedded into the groove to stir the rotating member.

In one embodiment, the housing is provided with a toggle groove communicated with the chute, the toggle key is provided with a toggle part, and the toggle part extends out of the toggle groove.

In one embodiment, the PCB board is electrically connected to the contact portion.

Above-mentioned circuit cutting structure holds the chamber through setting up at the shell, pulls out the key, rotate the piece, shell fragment and PCB board set up in holding the intracavity, hold the intracavity and be provided with the spout, pull out the key slip and set up in the spout, the shell fragment sets up in holding the intracavity and keep away from pulling out key one end at the piece, the shell fragment is kept away from and is provided with contact portion in rotating piece one end, contact portion and PCB board butt, pull out the key and move the anticlockwise rotation of piece through sliding and then pulling out, it keeps away from pulling out key one end and presses down the contact portion and the separation of PCB board to make the circuit break through rotating the shell fragment, be convenient for change lamps and lanterns.

Drawings

FIG. 1 is a schematic diagram of a circuit interrupting structure according to one embodiment;

FIG. 2 is a schematic diagram of a circuit interrupting structure according to one embodiment;

FIG. 3 is a schematic view of a rotary member of the circuit interrupting mechanism of one embodiment;

FIG. 4 is a schematic diagram of a spring plate of a circuit breaking structure according to one embodiment;

Fig. 5 is a schematic diagram of a pull key of a circuit breaking structure according to one embodiment.

Detailed Description

In order to make the objects, technical solutions and advantageous technical effects of the present utility model more apparent, the present utility model will be further described in detail with reference to the accompanying drawings and detailed description. It should be understood that the detailed description is intended to illustrate the utility model, and not to limit the utility model.

It is also to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

As shown in fig. 1-fig. 5, a circuit breaking structure includes a housing 10, a pull key 20, a rotating member 30, a spring 40 and a PCB 50, wherein the housing 10 is provided with a housing cavity 110, the pull key 20, the rotating member 30, the spring 40 and the PCB 50 are disposed in the housing cavity 110, a chute 111 is disposed in the housing cavity 110, the pull key 20 is slidably disposed in the chute 111, the spring 40 is disposed in the housing cavity 110 and is at one end of the rotating member 30 away from the pull key 20, one end of the spring 40 away from the rotating member 30 is provided with a contact portion 410, the contact portion 410 is abutted with the PCB 50, the pull key 20 slides to pull the rotating member 30, and one end of the rotating member 30 away from the pull key 20 presses the spring 40 by rotation to separate the contact portion 410 from the PCB 50. For example, the PCB 50 is electrically connected to the contact portion 410 by abutting, the spring 40 is a copper spring 40, and the copper spring 40 has good electrical conductivity, so that the current can smoothly flow.

In one embodiment, the elastic sheet 40 is provided with a first protruding portion 420, the pull key 20 presses the first protruding portion 420 through rotation to separate the contact portion 410 from the PCB 50, the first protruding portion 420 is disposed in the middle of one surface of the elastic sheet 40 facing the rotating member 30, and the cross section of the first protruding portion 420 is semicircular. For example, one end of the spring 40 is fixedly disposed inside the casing 10, the other end of the spring 40 provided with the contact portion 410 is suspended in the accommodating cavity 110, and in the circuit connection state, the contact portion 410 is in an abutting state with the PCB 50 and is electrically connected, and the pull key 20 presses the first protruding portion 420 through rotation to enable the contact portion 410 to move in a direction away from the PCB 50 and separate from the PCB 50, so as to disconnect the circuit.

In one embodiment, a rotating shaft 310 is disposed in the middle of the rotating member 30, the accommodating cavity 110 is provided with a clamping groove 112, the rotating member 30 is rotatably disposed in the accommodating cavity 110 through the clamping groove 112, and the pulling key 20 pulls the rotating member 30 to rotate the rotating member 30 around the rotating shaft 310. For example, the rotating members 30 are provided with rotating shafts 310 at both sides, which are cylindrical rotating shafts 310, the clamping grooves 112 are semicircular clamping grooves 112, and the rotating shafts 310 are arranged on the semicircular clamping grooves 112 through the cylindrical rotating shafts 310, so that the rotating shafts 310 can rotate in the semicircular clamping grooves 112 conveniently.

In one embodiment, the pull-out key 20 is provided with a second protruding portion 210, one end of the rotating member 30 near the pull-out key 20 is provided with a groove 320, and the second protruding portion 210 is embedded in the groove 320 to stir the rotating member 30. For example, the cross section of the pull key 20 is cross-shaped, the second protruding portion 210 is on the side of the pull key 20 extending into the housing 10, the poking portion 230 is on the side of the pull key 20 corresponding to the second protruding portion 210, the housing 10 is provided with a poking groove 120 communicated with the sliding groove 111, and the poking portion 230 extends out of the poking groove 120, so that a user can conveniently poke the pull key.

Above-mentioned circuit cutting structure, through setting up at shell 10 and hold chamber 110, pull out key 20, rotate piece 30, shell fragment 40 and PCB board 50 and set up in holding chamber 110, hold and be provided with spout 111 in the chamber 110, pull out key 20 slip and set up in spout 111, shell fragment 40 sets up in holding chamber 110 and is keeping away from pull out key 20 one end at rotating piece 30, shell fragment 40 is kept away from rotating piece 30 one end and is provided with contact portion 410, contact portion 410 and PCB board 50 butt, pull out key 20 and through sliding and then pull out rotating piece 30 anticlockwise rotation, rotating piece 30 is kept away from pull out key 20 one end and is pressed down contact portion 410 and PCB board 50 through the rotation to shell fragment 40 to make the circuit disconnection, be convenient for change lamps and lanterns.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (9)

1. The utility model provides a circuit cutting structure, its characterized in that, includes the shell, pulls out the key, rotates piece, shell fragment and PCB board, the shell is provided with and holds the chamber, pull out the key, rotate piece, shell fragment and PCB board set up in hold the intracavity, it is provided with the spout to hold the intracavity, pull out the key slide set up in the spout, the shell fragment set up in hold the intracavity and rotate the piece and keep away from pull out key one end, the shell fragment is kept away from rotate one end and be provided with contact portion, contact portion and PCB board butt, pull out the key and pull out through the slip and rotate the piece and rotate, it keeps away from to rotate the piece pull out key one end through rotate to the shell fragment presses the messenger contact portion with the PCB board separation.

2. The circuit breaking structure according to claim 1, wherein the elastic piece is provided with a first protruding portion, and the pulling key presses the first protruding portion by rotating to separate the contact portion from the PCB board.

3. The circuit breaking structure according to claim 2, wherein the first protruding portion is disposed in a middle portion of a face of the elastic sheet facing the rotating member.

4. The circuit interrupting structure of claim 3 wherein said first protrusion is semi-circular in cross-section.

5. The circuit breaking structure according to claim 1, wherein a rotating shaft is provided in the middle of the rotating member, the accommodating chamber is provided with a clamping groove, and the rotating member is rotatably disposed in the accommodating chamber through the clamping groove.

6. The circuit interrupting structure of claim 5 wherein said pull key pulls said rotating member to rotate said rotating member about said rotational axis.

7. The circuit breaking structure according to claim 1, wherein the pulling key is provided with a second protruding portion, one end of the rotating member, which is close to the pulling key, is provided with a groove, and the second protruding portion is embedded into the groove to stir the rotating member.

8. The circuit interrupting structure of claim 1 wherein said housing is provided with a toggle slot in communication with said chute, said toggle key is provided with a toggle portion, said toggle portion extending out of said toggle slot.

9. The circuit interrupting structure of claim 1 wherein said PCB board is electrically connected to said contact portions.