CN216085573U - Protective tube plug with automatic power-off structure - Google Patents

Abstract

The utility model discloses a protective tube plug with an automatic power-off structure, which comprises a plug body, a bottom sleeve and a protective tube body, wherein the upper end of the bottom sleeve is connected with a surface cover, and the surface cover is connected with the bottom sleeve through a fixing screw; the placing groove is formed in the right end inside the face cover, connecting springs are fixed at the upper end and the lower end of the inner side of the placing groove, and positioning pieces are arranged at the left end and the right end inside the placing groove; the fuse tube body is connected inside the placing groove; and the wiring terminal is fixed at the left end and the right end of the middle part of the face cover, and the wiring terminal is internally connected with pins. This protective tube plug with auto-power-off structure is provided with coupling spring, and protective tube body both ends all are provided with coupling spring, can press from both sides the protective tube body through coupling spring's elasticity extrusion on the one hand tightly, and it is not hard up to break away from to prevent, and on the other hand coupling spring also can play certain buffering guard action, also can protect protective tube body meetting to drop or under the condition of striking.

Description

Protective tube plug with automatic power-off structure

Technical Field

The utility model relates to the technical field of plugs, in particular to a protective tube plug with an automatic power-off structure.

Background

The connector of a common electronic product and the plug of an electrical appliance are called as plugs. A plug and socket for domestic AC power supply has a male connector in the shape of rod or copper plate and a female connector-type power supply socket with slot or concave hole.

The plug on the market is more and more mainly simple and convenient now, especially to two-pin plug, because its structure is small and exquisite, receives the action of gravity of the line body easily and not hard up, leads to self to drop, for this reason, we provide a protective tube plug with auto-power-off structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a protective tube plug with an automatic power-off structure, which aims to solve the problem that plugs in the market proposed in the background technology are more and more simple, and particularly for a two-pin plug, the plug is easy to loosen under the action of gravity of a wire body due to small and exquisite structure, so that the plug falls off.

In order to achieve the purpose, the utility model provides the following technical scheme: a fuse plug having an auto-power-off feature, comprising:

a plug body;

the plug body includes:

the upper end of the bottom sleeve is connected with a surface cover, and the surface cover is connected with the bottom sleeve through a fixing screw;

the placing groove is formed in the right end inside the face cover, connecting springs are fixed at the upper end and the lower end of the inner side of the placing groove, and positioning pieces are arranged at the left end and the right end inside the placing groove;

a fuse body connected to the inside of the placement groove;

the wiring terminals are fixed at the left end and the right end of the middle part of the face cover, and pins are connected inside the wiring terminals;

the wire buckle is connected to the bottom end of the face cover;

the end cover includes:

the outer side of the bottom shell is provided with a sliding chute;

the sliding sleeve is connected to the inside of the sliding groove;

preferably, the bottom end structure size of the surface cover is matched with the upper end structure size of the bottom sleeve, and the surface cover and the bottom sleeve form a fixing structure through a fixing screw.

Preferably, the connecting springs are symmetrically distributed up and down about the central axis of the placing groove, and the fuse tube body is elastically connected with the connecting springs.

Preferably, the outer wall connecting surface of the safety pipe body is attached to the inner wall connecting surface of the placing groove, and the safety pipe body is in a buckle structure with the placing groove through the positioning piece.

Preferably, the wire buckle is of an I-shaped structure, and a buckle structure is formed between the surface cover and the bottom sleeve.

Preferably, the sliding sleeve forms a sliding structure with the bottom shell through the sliding groove, and the sliding sleeve is triangular.

Preferably, the bottom cover further comprises:

the sucker is arranged at the top end of the sliding sleeve, and the sucker is fixedly connected with the sliding sleeve.

The utility model provides a protective tube plug with an automatic power-off structure, which has the following beneficial effects: the protective tube plug with the automatic power-off structure has good safety protection measures, the protective tube can automatically power off when being influenced by large current through the arrangement of the protective tube, the safety of the whole circuit and electrical equipment is protected, and meanwhile, the self insertion tightness can be reinforced through an external connecting piece, so that the anti-falling effect is achieved;

the fuse tube plug with the automatic power-off structure is provided with a fuse tube body, when the plug is in an abnormal state such as a large current, the melt temperature of a fuse in the fuse tube body can be increased through heat exchange to further melt, then the current is automatically cut off, a circuit is protected, and connecting springs are arranged at two ends of the fuse tube body;

the protective tube plug with the automatic power-off structure is provided with the sliding sleeve, the sliding sleeve can slide along the opening direction of the sliding groove to form a whole with the bottom shell, the whole area of the bottom shell is increased, the weight of the front end of the bottom shell is increased through the triangular sliding sleeve, the gravity center of the whole plug is further forward, and meanwhile, when the plug is loosened, the large-area cross section of the front end of the sliding sleeve is abutted against a connecting surface, so that the plug cannot easily fall off even under the loose condition, and when other plugs need to be connected to the lower end of the plug, the sliding sleeve can be easily separated from the connecting surface for dismounting, and the use is convenient;

this protective tube plug with auto-power-off structure is provided with the sucking disc, and the sucking disc that the sliding sleeve front end set up can laminate when the sliding sleeve settles in end casing bottom and connect the face on, connects end casing zonulae occludens on the wall through adsorbing, guarantees that its installation is stable, and the prevention plug breaks away from.

Drawings

FIG. 1 is a perspective view of a plug body according to the present invention;

FIG. 2 is a schematic view of the internal structure of the bottom cover of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the connection structure between the bottom cover and the side surface of the front cover;

FIG. 5 is a schematic view of a connection structure of the bottom housing and the sliding sleeve according to the present invention.

In the figure: 1. a plug body; 2. a bottom cover; 3. a face cover; 4. fixing screws; 5. a placement groove; 6. a connecting spring; 7. positioning plates; 8. a fuse body; 9. a wiring terminal; 10. a pin; 11. wire buckling; 12. a bottom housing; 13. a chute; 14. a sliding sleeve; 15. and (4) sucking discs.

Detailed Description

As shown in fig. 1, a fuse plug having an automatic power-off structure includes: a plug body 1; the plug body 1 includes: the end cover 2, 2 upper ends of end cover are connected with face lid 3, and face lid 3 is connected with end cover 2 through fixed screw 4, and 3 bottom structure sizes of face lid are identical with 2 upper end structure sizes of end cover, and face lid 3 constitutes fixed knot through fixed screw 4 and end cover between 2 and constructs fixed knot, and the identical face of structure size lid 3 is fixed to the laminating through fixed screw 4 to running through to end cover 2, guarantees both firm in connection degree, protects internal device.

As shown in fig. 2 and 3, the placement groove 5 is opened at the right end inside the face cover 3, the connecting springs 6 are fixed at the upper and lower ends of the inner side of the placement groove 5, the connecting springs 6 are vertically symmetrically distributed about the central axis of the placement groove 5, the fuse body 8 is elastically connected with the connecting springs 6, and the connecting springs 6 are arranged at both ends of the fuse body 8, so that on one hand, the fuse body 8 can be clamped by the elastic extrusion action of the connecting springs 6 to prevent the fuse body 8 from loosening and separating, on the other hand, the connecting springs 6 can also play a certain role in buffering and protection, and the fuse body 8 can be protected under the condition of falling or impact; positioning pieces 7 are arranged at the left end and the right end inside the placing groove 5; the safety tube body 8 is connected inside the placing groove 5, the outer wall connecting surface of the safety tube body 8 is mutually attached to the inner wall connecting surface of the placing groove 5, the safety tube body 8 forms a buckling structure with the placing groove 5 through the positioning sheet 7, the safety tube body 8 is tightly attached to the placing groove 5, correspondingly, the middle part of the safety tube body is further provided with a section of arc-shaped positioning sheet 7 for clamping and buckling the safety tube body 8, in order to prevent the safety tube body 8 from being separated from the placing groove 5, the safety tube body 8 is positioned through the narrow opening at the upper end of the safety tube body, and the mounting stability of the safety tube body 8 is improved; the wiring terminals 9 are fixed at the left end and the right end of the middle part of the face cover 3, and pins 10 are connected inside the wiring terminals 9; the line is buckled 11, and it connects in face lid 3 bottom, and line is buckled 11 and is "worker" style of calligraphy structure, and line is buckled 11 and is passed through and constitute buckle structure between face lid 3 and the bottom cover 2.

As shown in fig. 4 and 5, the bottom case 12 has a sliding groove 13 formed on the outer side of the bottom case 12; the sliding sleeve 14 is connected inside the sliding groove 13, the sliding sleeve 14 forms a sliding structure with the bottom shell 12 through the sliding groove 13, the sliding sleeve 14 is in a triangular shape, the sliding sleeve 14 can slide along the opening direction of the sliding groove 13 to form a whole with the bottom shell 12, the whole area of the bottom shell 12 is increased, the weight of the front end of the bottom shell 12 is increased through the triangular sliding sleeve 14, the gravity center of the whole plug is enabled to move forwards, and meanwhile, when the plug is loosened, the large-area cross section of the front end of the sliding sleeve 14 supports against a connecting surface, so that the plug cannot easily fall off even in a loose condition, and when other plugs need to be connected at the lower end of the plug, the sliding sleeve 14 is easy to slide and separate for dismounting, and the use is convenient; sucking disc 15, it sets up on sliding sleeve 14 top, is fixed connection between sucking disc 15 and the sliding sleeve 14, and sucking disc 15 that the sliding sleeve 14 front end set up can laminate when sliding sleeve 14 settles in bottom shell 12 bottom and connect the face on, connects bottom shell 12 zonulae occludens on the wall through adsorbing, guarantees that its installation is stable, and the prevention plug breaks away from.

To sum up, when the safety tube plug with the automatic power-off structure is used, firstly, according to the structure shown in fig. 1 and fig. 2, the inner part of the face cover 3 is provided with the safety tube body 8 which can be pinched off under the impact of large current so as to automatically power off, thereby preventing the hidden troubles of explosion, combustion and the like of the plug caused by the stimulation of the large current, improving the safety protection effect of the plug, and both ends of the safety tube body 8 are provided with the connecting springs 6, on one hand, the safety tube body 8 can be clamped through the elastic extrusion action of the connecting springs 6 to prevent the loosening and separation of the safety tube body, on the other hand, the connecting springs 6 can also play a certain buffering protection role, the safety tube body 8 can be protected under the condition of falling or impact, and the safety tube body 8 is tightly attached in the placing groove 5, correspondingly, the middle part of the safety tube body 8 is also provided with a section of arc-shaped positioning sheet 7 for clamping and buckling the safety tube body 8, in order to prevent the fuse body 8 from separating from the placement groove 5, the fuse body 8 is positioned through the narrow opening at the upper end thereof, the installation stability of the fuse body 8 is improved, the corresponding sliding sleeve 14 can slide along the opening direction of the sliding groove 13 to form a whole with the bottom shell 12, the whole area of the bottom shell 12 is increased, the weight of the front end of the bottom shell 12 is increased through the triangular sliding sleeve 14, the gravity center of the whole plug is enabled to move forwards, meanwhile, when the plug is loosened, the large-area cross section at the front end of the sliding sleeve 14 supports against the connecting surface, so that the plug can not easily fall off even in a loose condition, when other plugs need to be connected at the lower end of the plug, the sliding sleeve 14 can be easily detached by sliding, and the sucker 15 arranged at the front end of the sliding sleeve 14 can be attached to the connecting surface when the bottom shell 12 is arranged at the bottom end of the sliding sleeve 14, the bottom shell 12 is tightly connected to the wall surface through adsorption connection, the installation stability of the fuse plug is ensured, the plug is prevented from being separated, and the using process of the whole fuse plug with the automatic power-off structure is completed in September.

Claims (7)

1. A fuse plug having an auto-power-off feature, comprising:

a plug body (1);

it is characterized in that;

the plug body (1) comprises:

the upper end of the bottom sleeve (2) is connected with a surface cover (3), and the surface cover (3) is connected with the bottom sleeve (2) through a fixing screw (4);

the placing groove (5) is arranged at the right end inside the face cover (3), connecting springs (6) are fixed at the upper end and the lower end of the inner side of the placing groove (5), and positioning pieces (7) are arranged at the left end and the right end inside the placing groove (5);

a fuse body (8) connected to the inside of the placement groove (5);

the wiring terminals (9) are fixed at the left end and the right end of the middle part of the face cover (3), and pins (10) are connected inside the wiring terminals (9);

the wire buckle (11) is connected to the bottom end of the face cover (3);

the bottom cover (2) comprises:

the outer side of the bottom shell (12) is provided with a sliding groove (13);

a sliding sleeve (14) connected inside the sliding groove (13).

2. The safety tube plug with the automatic power-off structure as claimed in claim 1, wherein the bottom end of the face cover (3) is matched with the upper end of the bottom sleeve (2), and the face cover (3) forms a fixing structure with the bottom sleeve (2) through a fixing screw (4).

3. The safety tube plug with the automatic power-off structure as claimed in claim 1, wherein the connecting springs (6) are symmetrically distributed up and down about the central axis of the placing groove (5), and the safety tube body (8) is elastically connected with the connecting springs (6).

4. The safety tube plug with the automatic power-off structure as claimed in claim 1, wherein the outer wall connecting surface of the safety tube body (8) and the inner wall connecting surface of the placing groove (5) are attached to each other, and the safety tube body (8) and the placing groove (5) form a snap-fit structure through the positioning piece (7).

5. The safety tube plug with the automatic power-off structure as claimed in claim 1, wherein the wire buckle (11) is in an I-shaped structure, and the wire buckle (11) passes through a snap-fit structure formed between the surface cover (3) and the bottom sleeve (2).

6. The safety tube plug with the automatic power-off structure as claimed in claim 1, wherein the sliding sleeve (14) forms a sliding structure with the bottom shell (12) through the sliding groove (13), and the sliding sleeve (14) is in a triangular shape.

7. A safety tube plug with auto power off feature according to claim 1, wherein said base sleeve (2) further comprises:

the sucker (15) is arranged at the top end of the sliding sleeve (14), and the sucker (15) is fixedly connected with the sliding sleeve (14).

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